YAC 3.13.0
Yet Another Coupler
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Macros | Typedefs | Functions | Variables
yac.h File Reference
#include <stddef.h>
#include <mpi.h>
#include "yac_version_check.h"
#include "yac_config.h"
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Macros

#define YAC_MAX_CHARLEN   (132)
 
#define __attribute__(x)   /*NOTHING*/
 
#define TYPEDEF_YAC_FUNC_COMPUTE_WEIGHTS
 

Typedefs

typedef YAC_INT yac_int
 
typedef void(* yac_abort_func) (MPI_Comm comm, const char *msg, const char *source, int line) __attribute__((noreturn))
 
typedef void(* yac_func_compute_weights) (double const tgt_coords[3], int src_cell_id, size_t src_cell_idx, int const **global_results_points, double **result_weights, size_t *result_count, void *user_data)
 

Functions

void yac_cmpi_handshake (MPI_Comm comm, size_t n, char const **group_names, MPI_Comm *group_comms)
 
int yac_cget_default_instance_id ()
 
void yac_cinit (void)
 
void yac_cinit_instance (int *yac_instance_id)
 
void yac_cinit_comm (MPI_Comm comm)
 
void yac_cinit_comm_instance (MPI_Comm comm, int *yac_instance_id)
 
void yac_cinit_dummy (void)
 
void yac_cinit_comm_dummy (MPI_Comm comm)
 
void yac_cread_config_yaml_instance (int yac_instance_id, const char *yaml_file)
 
void yac_cread_config_yaml (const char *yaml_file)
 
void yac_cread_config_json_instance (int yac_instance_id, const char *json_file)
 
void yac_cread_config_json (const char *json_file)
 
void yac_cset_config_output_file_instance (int yac_instance_id, const char *filename, int fileformat, int sync_location, int include_definitions)
 
void yac_cset_config_output_file (const char *filename, int fileformat, int sync_location, int include_definitions)
 
void yac_cset_grid_output_file_instance (int yac_instance_id, const char *gridname, const char *filename)
 
void yac_cset_grid_output_file (const char *gridname, const char *filename)
 
void yac_ccleanup ()
 Clean-up default YAC instance (see Restarting YAC)
 
void yac_ccleanup_instance (int yac_instance_id)
 Clean-up a YAC instance (see Restarting YAC)
 
void yac_cfinalize ()
 Finalises YAC.
 
void yac_cfinalize_instance (int yac_instance_id)
 Finalises YAC.
 
void yac_cdef_datetime (const char *start_datetime, const char *end_datetime)
 
void yac_cdef_datetime_instance (int yac_instance_id, const char *start_datetime, const char *end_datetime)
 
void yac_cdef_calendar (int calendar)
 
int yac_cget_calendar ()
 
void yac_cget_groupcomm (MPI_Comm *group_comm)
 
void yac_cget_groupcomm_instance (int yac_instance_id, MPI_Comm *group_comm)
 
void yac_cpredef_comp (char const *comp_name, int *comp_id)
 
void yac_cpredef_comp_instance (int yac_instance_id, char const *comp_name, int *comp_id)
 
void yac_cdef_comp (const char *comp_name, int *comp_id)
 
void yac_cdef_comp_instance (int yac_instance_id, const char *comp_name, int *comp_id)
 
void yac_cdef_comps (const char **comp_names, int num_comps, int *comp_ids)
 
void yac_cdef_comps_instance (int yac_instance_id, const char **comp_names, int num_comps, int *comp_ids)
 
void yac_cget_comp_comm (int comp_id, MPI_Comm *comp_comm)
 
void yac_cget_comps_comm (const char **comp_names, int num_comps, MPI_Comm *comps_comm)
 
void yac_cget_comps_comm_instance (int yac_instance_id, const char **comp_names, int num_comps, MPI_Comm *comps_comm)
 
void yac_cdef_points_reg2d (int const grid_id, int const *nbr_points, int const location, double const *x_points, double const *y_points, int *point_id)
 
void yac_cdef_points_curve2d (int const grid_id, int const *nbr_points, int const location, double const *x_points, double const *y_points, int *point_id)
 
void yac_cdef_points_unstruct (int const grid_id, int const nbr_points, int const location, double const *x_points, double const *y_points, int *point_id)
 
void yac_cdef_points_reg2d_rot (int const grid_id, int const *nbr_points, int const location, double const *x_points, double const *y_points, double x_north_pole, double y_north_pole, int *point_id)
 
void yac_cdef_grid_reg2d (const char *grid_name, int nbr_vertices[2], int cyclic[2], double *x_vertices, double *y_vertices, int *grid_id)
 
void yac_cdef_grid_curve2d (const char *grid_name, int nbr_vertices[2], int cyclic[2], double *x_vertices, double *y_vertices, int *grid_id)
 
void yac_cdef_grid_unstruct (const char *grid_name, int nbr_vertices, int nbr_cells, int *num_vertices_per_cell, double *x_vertices, double *y_vertices, int *cell_to_vertex, int *grid_id)
 
void yac_cdef_grid_unstruct_ll (const char *grid_name, int nbr_vertices, int nbr_cells, int *num_vertices_per_cell, double *x_vertices, double *y_vertices, int *cell_to_vertex, int *grid_id)
 
void yac_cdef_grid_unstruct_edge (const char *grid_name, int nbr_vertices, int nbr_cells, int nbr_edges, int *num_edges_per_cell, double *x_vertices, double *y_vertices, int *cell_to_edge, int *edge_to_vertex, int *grid_id)
 
void yac_cdef_grid_unstruct_edge_ll (const char *grid_name, int nbr_vertices, int nbr_cells, int nbr_edges, int *num_edges_per_cell, double *x_vertices, double *y_vertices, int *cell_to_edge, int *edge_to_vertex, int *grid_id)
 
void yac_cdef_grid_cloud (const char *grid_name, int nbr_points, double *x_points, double *y_points, int *grid_id)
 
void yac_cdef_grid_reg2d_rot (const char *grid_name, int nbr_vertices[2], int cyclic[2], double *x_vertices, double *y_vertices, double x_north_pole, double y_north_pole, int *grid_id)
 
void yac_cset_global_index_yac_int (yac_int const *global_index, int location, int grid_id)
 
void yac_cset_global_index (int const *global_index, int location, int grid_id)
 
void yac_cset_core_mask (int const *is_core, int location, int grid_id)
 
void yac_cset_mask (int const *is_valid, int points_id)
 
void yac_cdef_mask (int const grid_id, int const nbr_points, int const location, int const *is_valid, int *mask_id)
 
void yac_cdef_mask_named (int const grid_id, int const nbr_points, int const location, int const *is_valid, char const *name, int *mask_id)
 
void yac_cdef_field (char const *field_name, int const component_id, int const *point_ids, int const num_pointsets, int collection_size, const char *timestep, int time_unit, int *field_id)
 
void yac_cdef_field_mask (char const *field_name, int const component_id, int const *point_ids, int const *mask_ids, int const num_pointsets, int collection_size, const char *timestep, int time_unit, int *field_id)
 
void yac_cenable_field_frac_mask (const char *comp_name, const char *grid_name, const char *field_name, double frac_mask_fallback_value)
 
void yac_cenable_field_frac_mask_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name, double frac_mask_fallback_value)
 
void yac_cdef_component_metadata (const char *comp_name, const char *metadata)
 
void yac_cdef_component_metadata_instance (int yac_instance_id, const char *comp_name, const char *metadata)
 
void yac_cdef_grid_metadata (const char *grid_name, const char *metadata)
 
void yac_cdef_grid_metadata_instance (int yac_instance_id, const char *grid_name, const char *metadata)
 
void yac_cdef_field_metadata (const char *comp_name, const char *grid_name, const char *field_name, const char *metadata)
 
void yac_cdef_field_metadata_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name, const char *metadata)
 
void yac_cget_action (int field_id, int *action)
 
const char * yac_cget_field_datetime (int field_id)
 
void yac_cupdate (int field_id)
 
void yac_cget_ext_couple_config (int *ext_couple_config_id)
 
void yac_cfree_ext_couple_config (int ext_couple_config_id)
 
void yac_cset_ext_couple_config_weight_file (int ext_couple_config_id, char const *weight_file)
 
void yac_cget_ext_couple_config_weight_file (int ext_couple_config_id, char const **weight_file)
 
void yac_cset_ext_couple_config_weight_file_on_existing (int ext_couple_config_id, int weight_file_on_existing)
 
void yac_cget_ext_couple_config_weight_file_on_existing (int ext_couple_config_id, int *weight_file_on_existing)
 
void yac_cset_ext_couple_config_mapping_side (int ext_couple_config_id, int mapping_side)
 
void yac_cget_ext_couple_config_mapping_side (int ext_couple_config_id, int *mapping_side)
 
void yac_cset_ext_couple_config_scale_factor (int ext_couple_config_id, double scale_factor)
 
void yac_cget_ext_couple_config_scale_factor (int ext_couple_config_id, double *scale_factor)
 
void yac_cset_ext_couple_config_scale_summand (int ext_couple_config_id, double scale_summand)
 
void yac_cget_ext_couple_config_scale_summand (int ext_couple_config_id, double *scale_summand)
 
void yac_cset_ext_couple_config_src_mask_names (int ext_couple_config_id, size_t num_src_mask_names, char const *const *src_mask_names)
 
void yac_cget_ext_couple_config_src_mask_names (int ext_couple_config_id, size_t *num_src_mask_names, char const *const **src_mask_names)
 
void yac_cset_ext_couple_config_tgt_mask_name (int ext_couple_config_id, char const *tgt_mask_name)
 
void yac_cget_ext_couple_config_tgt_mask_name (int ext_couple_config_id, char const **tgt_mask_name)
 
void yac_cset_ext_couple_config_yaxt_exchanger_name (int ext_couple_config_id, char const *yaxt_exchanger_name)
 
void yac_cget_ext_couple_config_yaxt_exchanger_name (int ext_couple_config_id, char const **yaxt_exchanger_name)
 
void yac_cset_ext_couple_config_use_raw_exchange (int ext_couple_config_id, int use_raw_exchange)
 
void yac_cget_ext_couple_config_use_raw_exchange (int ext_couple_config_id, int *use_raw_exchange)
 
void yac_cset_ext_couple_config_collection_selection (int ext_couple_config_id, int collection_size, int const *collection_indices)
 
void yac_cget_ext_couple_config_collection_selection (int ext_couple_config_id, int *collection_size, int **collection_indices)
 
void yac_cdef_couple_custom_instance (int yac_instance_id, char const *src_comp_name, char const *src_grid_name, char const *src_field_name, char const *tgt_comp_name, char const *tgt_grid_name, char const *tgt_field_name, char const *coupling_timestep, int time_unit, int time_reduction, int interp_stack_config_id, int src_lag, int tgt_lag, int ext_couple_config_id)
 
void yac_cdef_couple_custom (char const *src_comp_name, char const *src_grid_name, char const *src_field_name, char const *tgt_comp_name, char const *tgt_grid_name, char const *tgt_field_name, char const *coupling_timestep, int time_unit, int time_reduction, int interp_stack_config_id, int src_lag, int tgt_lag, int ext_couple_config_id)
 
void yac_cdef_couple_instance (int yac_instance_id, char const *src_comp_name, char const *src_grid_name, char const *src_field_name, char const *tgt_comp_name, char const *tgt_grid_name, char const *tgt_field_name, char const *coupling_timestep, int time_unit, int time_reduction, int interp_stack_config_id, int src_lag, int tgt_lag)
 
void yac_cdef_couple (char const *src_comp_name, char const *src_grid_name, char const *src_field_name, char const *tgt_comp_name, char const *tgt_grid_name, char const *tgt_field_name, char const *coupling_timestep, int time_unit, int time_reduction, int interp_stack_config_id, int src_lag, int tgt_lag)
 
void yac_ccheck_field_dimensions (int field_id, int collection_size, int num_pointsets, int const *pointset_sizes)
 
void yac_ccheck_src_field_buffer_size (int field_id, int collection_size, int src_field_buffer_size)
 
void yac_ccheck_src_field_buffer_sizes (int field_id, int num_src_fields, int collection_size, int *src_field_buffer_sizes)
 
void yac_cget_raw_interp_weights_data (int const field_id, double *frac_mask_fallback_value, double *scaling_factor, double *scaling_summand, size_t *num_fixed_values, double **fixed_values, size_t **num_tgt_per_fixed_value, size_t **tgt_idx_fixed, size_t *num_wgt_tgt, size_t **wgt_tgt_idx, size_t **num_src_per_tgt, double **weights, size_t **src_field_idx, size_t **src_idx, size_t *num_src_fields, size_t **src_field_buffer_sizes)
 
void yac_cget_raw_interp_weights_data_csr (int const field_id, double *frac_mask_fallback_value, double *scaling_factor, double *scaling_summand, size_t *num_fixed_values, double **fixed_values, size_t **num_tgt_per_fixed_value, size_t **tgt_idx_fixed, size_t **src_indptr, double **weights, size_t **src_field_idx, size_t **src_idx, size_t *num_src_fields, size_t **src_field_buffer_sizes)
 
void yac_cget_ (int const field_id, int const collection_size, double *recv_field, int *info, int *ierror)
 
void yac_cget (int const field_id, int const collection_size, double **recv_field, int *info, int *ierror)
 
void yac_cget_async_ (int const field_id, int const collection_size, double *recv_field, int *info, int *ierror)
 
void yac_cget_async (int const field_id, int const collection_size, double **recv_field, int *info, int *ierror)
 
void yac_cget_raw_ (int const field_id, int const collection_size, double *src_field_buffer, int *info, int *ierror)
 
void yac_cget_raw (int const field_id, int const collection_size, double ***src_field_buffer, int *info, int *ierror)
 
void yac_cget_raw_async_ (int const field_id, int const collection_size, double *src_field_buffer, int *info, int *ierror)
 
void yac_cget_raw_async (int const field_id, int const collection_size, double ***src_field_buffer, int *info, int *ierror)
 
void yac_cget_raw_frac_ (int const field_id, int const collection_size, double *src_field_buffer, double *src_frac_mask_buffer, int *info, int *ierror)
 
void yac_cget_raw_frac (int const field_id, int const collection_size, double ***src_field_buffer, double ***src_frac_mask_buffer, int *info, int *ierror)
 
void yac_cget_raw_frac_async_ (int const field_id, int const collection_size, double *src_field_buffer, double *src_frac_mask_buffer, int *info, int *ierror)
 
void yac_cget_raw_frac_async (int const field_id, int const collection_size, double ***src_field_buffer, double ***src_frac_mask_buffer, int *info, int *ierror)
 
void yac_cput_ (int const field_id, int const collection_size, double *send_field, int *info, int *ierror)
 
void yac_cput (int const field_id, int const collection_size, double ***const send_field, int *info, int *ierror)
 
void yac_cput_frac_ (int const field_id, int const collection_size, double *send_field, double *send_frac_mask, int *info, int *ierror)
 
void yac_cput_frac (int const field_id, int const collection_size, double ***const send_field, double ***const send_frac_mask, int *info, int *ierror)
 
void yac_cput_ptr_ (int const field_id, int const collection_size, double **send_field, int *info, int *ierror)
 
void yac_cput_frac_ptr_ (int const field_id, int const collection_size, double **send_field, double **send_frac_mask, int *info, int *ierror)
 
void yac_cexchange_ (int const send_field_id, int const recv_field_id, int const collection_size, double *send_field, double *recv_field, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange (int const send_field_id, int const recv_field_id, int const collection_size, double ***const send_field, double **recv_field, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_raw (int const send_field_id, int const recv_field_id, int const collection_size, double ***const send_field, double ***src_field_buffer, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_raw_ (int const send_field_id, int const recv_field_id, int const collection_size, double *send_field, double *src_field_buffer, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_raw_frac (int const send_field_id, int const recv_field_id, int const collection_size, double ***const send_field, double ***const send_frac_mask, double ***src_field_buffer, double ***src_frac_mask_buffer, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_raw_frac_ (int const send_field_id, int const recv_field_id, int const collection_size, double *send_field, double *send_frac_mask, double *src_field_buffer, double *src_frac_mask_buffer, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_frac_ (int const send_field_id, int const recv_field_id, int const collection_size, double *send_field, double *send_frac_mask, double *recv_field, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_frac (int const send_field_id, int const recv_field_id, int const collection_size, double ***const send_field, double ***const send_frac_mask, double **recv_field, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_ptr_ (int const send_field_id, int const recv_field_id, int const collection_size, double **send_field, double **recv_field, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_raw_ptr_ (int const send_field_id, int const recv_field_id, int const collection_size, double **send_field, double **src_field_buffer, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_frac_ptr_ (int const send_field_id, int const recv_field_id, int const collection_size, double **send_field, double **send_frac_mask, double **recv_field, int *send_info, int *recv_info, int *ierror)
 
void yac_cexchange_raw_frac_ptr_ (int const send_field_id, int const recv_field_id, int const collection_size, double **send_field, double **send_frac_mask, double **src_field_buffer, double **src_frac_mask_buffer, int *send_info, int *recv_info, int *ierror)
 
void yac_ctest (int field_id, int *flag)
 
void yac_cwait (int field_id)
 
void yac_csync_def (void)
 
void yac_csync_def_instance (int yac_instance_id)
 
void yac_cenddef (void)
 
void yac_cenddef_instance (int yac_instance_id)
 
void yac_cenddef_and_emit_config (int emit_flags, char **config)
 
void yac_cenddef_and_emit_config_instance (int yac_instance_id, int emit_flags, char **config)
 
char * yac_cget_start_datetime (void)
 
char * yac_cget_start_datetime_instance (int yac_instance_id)
 
char * yac_cget_end_datetime (void)
 
char * yac_cget_end_datetime_instance (int yac_instance_id)
 
char * yac_cget_version (void)
 
const char * yac_cget_mpi_handshake_group_name (void)
 Retrieve the MPI handshake group name used by YAC.
 
int yac_cget_nbr_comps (void)
 
int yac_cget_nbr_comps_instance (int yac_instance_id)
 
int yac_cget_nbr_grids ()
 
int yac_cget_nbr_grids_instance (int yac_instance_id)
 
int yac_cget_comp_nbr_grids (const char *comp_name)
 
int yac_cget_comp_nbr_grids_instance (int yac_instance_id, const char *comp_name)
 
int yac_cget_nbr_fields (const char *comp_name, const char *grid_name)
 
int yac_cget_nbr_fields_instance (int yac_instance_id, const char *comp_name, const char *grid_name)
 
void yac_cget_comp_names (int nbr_comps, const char **comp_names)
 
void yac_cget_comp_names_instance (int yac_instance_id, int nbr_comps, const char **comp_names)
 
void yac_cget_grid_names (int nbr_grids, const char **grid_names)
 
void yac_cget_grid_names_instance (int yac_instance_id, int nbr_grids, const char **grid_names)
 
void yac_cget_comp_grid_names (const char *comp_name, int nbr_grids, const char **grid_names)
 
void yac_cget_comp_grid_names_instance (int yac_instance_id, const char *comp_name, int nbr_grids, const char **grid_names)
 
void yac_cget_field_names (const char *comp_name, const char *grid_name, int nbr_fields, const char **field_names)
 
void yac_cget_field_names_instance (int yac_instance_id, const char *comp_name, const char *grid_name, int nbr_fields, const char **field_names)
 
const char * yac_cget_component_name_from_field_id (int field_id)
 
const char * yac_cget_grid_name_from_field_id (int field_id)
 
const char * yac_cget_field_name_from_field_id (int field_id)
 
const char * yac_cget_timestep_from_field_id (int field_id)
 
int yac_cget_collection_size_from_field_id (int field_id)
 
int yac_cget_role_from_field_id (int field_id)
 
int yac_cget_field_is_defined (const char *comp_name, const char *grid_name, const char *field_name)
 
int yac_cget_field_is_defined_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name)
 
int yac_cget_field_id (const char *comp_name, const char *grid_name, const char *field_name)
 
int yac_cget_field_id_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name)
 
const char * yac_cget_component_metadata (const char *comp_name)
 
const char * yac_cget_component_metadata_instance (int yac_instance_id, const char *comp_name)
 
const char * yac_cget_grid_metadata (const char *grid_name)
 
const char * yac_cget_grid_metadata_instance (int yac_instance_id, const char *grid_name)
 
const char * yac_cget_field_metadata (const char *comp_name, const char *grid_name, const char *field_name)
 
const char * yac_cget_field_metadata_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name)
 
const char * yac_cget_field_timestep (const char *comp_name, const char *grid_name, const char *field_name)
 
const char * yac_cget_field_timestep_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name)
 
double yac_cget_field_frac_mask_fallback_value (const char *comp_name, const char *grid_name, const char *field_name)
 
int yac_cget_field_collection_size (const char *comp_name, const char *grid_name, const char *field_name)
 
double yac_cget_field_frac_mask_fallback_value_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name)
 
int yac_cget_field_collection_size_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name)
 
int yac_cget_field_role (const char *comp_name, const char *grid_name, const char *field_name)
 
int yac_cget_field_role_instance (int yac_instance_id, const char *comp_name, const char *grid_name, const char *field_name)
 
void yac_cget_field_source (const char *tgt_comp_name, const char *tgt_grid_name, const char *tgt_field_name, const char **src_comp_name, const char **src_grid_name, const char **src_field_name)
 
void yac_cget_field_source_instance (int yac_instance_id, const char *tgt_comp_name, const char *tgt_grid_name, const char *tgt_field_name, const char **src_comp_name, const char **src_grid_name, const char **src_field_name)
 
void yac_abort (MPI_Comm comm, const char *msg, const char *source, int line) __attribute__((noreturn))
 
void yac_abort_message (char const *msg, const char *source, int line)
 
void yac_restore_default_abort_handler (void)
 
void yac_set_abort_handler (yac_abort_func custom_abort)
 
yac_abort_func yac_get_abort_handler (void)
 
yac_abort_func yac_get_default_abort_handler (void)
 
void yac_set_default_comm (MPI_Comm comm)
 
size_t yac_cget_grid_size (int location, int grid_id)
 
void yac_ccompute_grid_cell_areas (int grid_id, double *cell_areas)
 
size_t yac_cget_points_size (int points_id)
 
void yac_cget_ext_spmap_config (int *ext_spmap_config_id)
 
void yac_cfree_ext_spmap_config (int ext_spmap_config_id)
 
void yac_cset_ext_spmap_config_spread_distance (int ext_spmap_config_id, double spread_distance)
 
void yac_cset_ext_spmap_config_max_search_distance (int ext_spmap_config_id, double max_search_distance)
 
void yac_cset_ext_spmap_config_weight_type (int ext_spmap_config_id, int weight_type)
 
void yac_cset_ext_spmap_config_scale_type (int ext_spmap_config_id, int scale_type)
 
void yac_cset_ext_spmap_config_src_cell_area_config_yac (int ext_spmap_config_id, double sphere_radius)
 
void yac_cset_ext_spmap_config_tgt_cell_area_config_yac (int ext_spmap_config_id, double sphere_radius)
 
void yac_cset_ext_spmap_config_src_cell_area_config_file (int ext_spmap_config_id, char const *filename, char const *varname, int min_global_id)
 
void yac_cset_ext_spmap_config_tgt_cell_area_config_file (int ext_spmap_config_id, char const *filename, char const *varname, int min_global_id)
 
void yac_cget_spmap_overwrite_config (int *spmap_overwrite_config_id)
 
void yac_cfree_spmap_overwrite_config (int spmap_overwrite_config_id)
 
void yac_cset_spmap_overwrite_config_src_point_selection_bnd_circle (int spmap_overwrite_config_id, double center_lon, double center_lat, double inc_angle)
 
void yac_cset_spmap_overwrite_config_spread_distance (int spmap_overwrite_config_id, double spread_distance)
 
void yac_cset_spmap_overwrite_config_max_search_distance (int spmap_overwrite_config_id, double max_search_distance)
 
void yac_cset_spmap_overwrite_config_weight_type (int spmap_overwrite_config_id, int weight_type)
 
void yac_cget_interp_stack_config (int *interp_stack_config_id)
 
void yac_cfree_interp_stack_config (int interp_stack_config_id)
 
void yac_cadd_interp_stack_config_average (int interp_stack_config_id, int reduction_type, int partial_coverage)
 
void yac_cadd_interp_stack_config_ncc (int interp_stack_config_id, int weight_type, int partial_coverage)
 
void yac_cadd_interp_stack_config_nnn (int interp_stack_config_id, int type, size_t n, double max_search_distance, double scale)
 
void yac_cadd_interp_stack_config_rbf (int interp_stack_config_id, size_t n, double max_search_distance, double scale)
 
void yac_cadd_interp_stack_config_conservative (int interp_stack_config_id, int order, int enforced_conserv, int partial_coverage, int normalisation)
 
void yac_cadd_interp_stack_config_spmap (int interp_stack_config_id, double spread_distance, double max_search_distance, int weight_type, int scale_type, double src_sphere_radius, char const *src_filename, char const *src_varname, int src_min_global_id, double tgt_sphere_radius, char const *tgt_filename, char const *tgt_varname, int tgt_min_global_id)
 
void yac_cadd_interp_stack_config_spmap_ext (int interp_stack_config_id, int ext_spmap_config_id, int *spmap_overwrite_config_ids, int spmap_overwrite_config_count)
 
void yac_cadd_interp_stack_config_hcsbb (int interp_stack_config_id)
 
void yac_cadd_interp_stack_config_user_file (int interp_stack_config_id, char const *filename)
 
void yac_cadd_interp_stack_config_user_file_2 (int interp_stack_config_id, char const *filename, int on_missing_file, int on_success)
 
void yac_cadd_interp_stack_config_fixed (int interp_stack_config_id, double value)
 
void yac_cadd_interp_stack_config_check (int interp_stack_config_id, char const *constructor_key, char const *do_search_key)
 
void yac_cadd_interp_stack_config_creep (int interp_stack_config_id, int creep_distance)
 
void yac_cadd_interp_stack_config_user_callback (int interp_stack_config_id, char const *func_compute_weights_key)
 
void yac_cadd_compute_weights_callback (yac_func_compute_weights compute_weights_callback, void *user_data, char const *key)
 
void yac_cget_interp_stack_config_from_string_yaml (char const *interp_stack_config, int *interp_stack_config_id)
 
void yac_cget_interp_stack_config_from_string_json (char const *interp_stack_config, int *interp_stack_config_id)
 

Variables

int const YAC_LOCATION_CELL
 
int const YAC_LOCATION_CORNER
 
int const YAC_LOCATION_EDGE
 
int const YAC_EXCHANGE_TYPE_NONE
 
int const YAC_EXCHANGE_TYPE_SOURCE
 
int const YAC_EXCHANGE_TYPE_TARGET
 
int const YAC_ACTION_NONE
 no data exchanges
 
int const YAC_ACTION_REDUCTION
 data reduction, but data exchange
 
int const YAC_ACTION_COUPLING
 data exchange
 
int const YAC_ACTION_GET_FOR_RESTART
 last valid get
 
int const YAC_ACTION_PUT_FOR_RESTART
 last valid put
 
int const YAC_ACTION_OUT_OF_BOUND
 put/get is outside of the valid range
 
int const YAC_REDUCTION_TIME_NONE
 
int const YAC_REDUCTION_TIME_ACCUMULATE
 
int const YAC_REDUCTION_TIME_AVERAGE
 
int const YAC_REDUCTION_TIME_MINIMUM
 
int const YAC_REDUCTION_TIME_MAXIMUM
 
int const YAC_TIME_UNIT_MILLISECOND
 
int const YAC_TIME_UNIT_SECOND
 
int const YAC_TIME_UNIT_MINUTE
 
int const YAC_TIME_UNIT_HOUR
 
int const YAC_TIME_UNIT_DAY
 
int const YAC_TIME_UNIT_MONTH
 
int const YAC_TIME_UNIT_YEAR
 
int const YAC_TIME_UNIT_ISO_FORMAT
 
int const YAC_CALENDAR_NOT_SET
 
int const YAC_PROLEPTIC_GREGORIAN
 
int const YAC_YEAR_OF_365_DAYS
 
int const YAC_YEAR_OF_360_DAYS
 
int const YAC_AVG_ARITHMETIC
 
int const YAC_AVG_DIST
 
int const YAC_AVG_BARY
 
int const YAC_NCC_AVG
 
int const YAC_NCC_DIST
 
int const YAC_NNN_AVG
 
int const YAC_NNN_DIST
 
int const YAC_NNN_GAUSS
 
int const YAC_NNN_RBF
 
int const YAC_NNN_ZERO
 
int const YAC_CONSERV_DESTAREA
 
int const YAC_CONSERV_FRACAREA
 
int const YAC_SPMAP_AVG
 
int const YAC_SPMAP_DIST
 
int const YAC_SPMAP_NONE
 
int const YAC_SPMAP_SRCAREA
 
int const YAC_SPMAP_INVTGTAREA
 
int const YAC_SPMAP_FRACAREA
 
int const YAC_FILE_MISSING_ERROR
 abort on missing file
 
int const YAC_FILE_MISSING_CONT
 continue on missing file
 
int const YAC_FILE_SUCCESS_STOP
 
int const YAC_FILE_SUCCESS_CONT
 
int const YAC_YAML_EMITTER_DEFAULT
 emit to YAML format
 
int const YAC_YAML_EMITTER_JSON
 emit to JSON format
 
int const YAC_CONFIG_OUTPUT_FORMAT_YAML
 
int const YAC_CONFIG_OUTPUT_FORMAT_JSON
 
int const YAC_CONFIG_OUTPUT_SYNC_LOC_DEF_COMP
 after component definition
 
int const YAC_CONFIG_OUTPUT_SYNC_LOC_SYNC_DEF
 after synchronization of definition
 
int const YAC_CONFIG_OUTPUT_SYNC_LOC_ENDDEF
 after end of definitions
 
double const YAC_FRAC_MASK_NO_VALUE
 
int const YAC_WGT_ON_EXISTING_ERROR
 
int const YAC_WGT_ON_EXISTING_KEEP
 keep existing weight file
 
int const YAC_WGT_ON_EXISTING_OVERWRITE
 overwrite existing weight file
 

Macro Definition Documentation

◆ __attribute__

#define __attribute__ ( x)    /*NOTHING*/

Definition at line 3226 of file yac.h.

◆ TYPEDEF_YAC_FUNC_COMPUTE_WEIGHTS

#define TYPEDEF_YAC_FUNC_COMPUTE_WEIGHTS

method signature for weight computation function used by User callback interpolation

If the field value of a target point, whose weights have been computed by this routine, is to be computed on the source process at which this routine was called, YAC would use the weights as follows (it is assumed that all required source points are available at this process):

// this routine return an index to a source field value associated to
// the provided global id
size_t global_id_2_local_idx(int src_field_idx, int global_id);
[...]
double tgt_value[collection_size];
for (int collection_idx = 0; collection_idx < collection_size;
collection_idx)
tgt_value[collection_idx] = 0.0;
// for all source fields
for (int src_field_idx = 0; src_field_idx < num_pointsets; ++src_field_idx) {
for (size_t i = 0; i < result_count[src_field_idx]; ++i) {
size_t src_field_point_idx =
global_id_2_local_idx(
src_field_idx, global_results_points[src_field_idx][i]);
double weight = result_weights[src_field_idx][src_field_point_idx];
for (int collection_idx = 0; collection_idx < collection_size;
collection_idx) {
tgt_value[collection_idx] +=
src_field[collection_idx][src_field_idx][src_field_point_idx] *
weight;
}
}
}
collection_size
int collection_size
Definition test_dummy_coupling_c.c:24

If one or more source points associated to the global ids return by this routine are not actually available at this process, YAC will ensure that the respective value will be available for the interpolation.

Parameters
[in]tgt_coords3D coordinates of the target point
[in]src_cell_idglobal id of the source cell matching the target point
[in]src_cell_idx(zero based) index of the source cell matching the target point
[out]global_results_pointsglobal ids of source points to be used for the interpolation of the target point
[out]result_weightsweights to be used for the interpolation of the target point
[out]result_countnumber of source points to be used for the interpolation of the target point per pointset
[in]user_datauser_data pointer provided to yac_cadd_compute_weights_callback
Remarks
The size of the first dimension of the arrays global_results_points, result_weights, and result_count has to be equal to num_pointsets provided to yac_cdef_field or yac_cdef_field_mask that was used to define the field involved in the coupling that is supposed to use this weight computation function.
3D coordinates are for a point of a unit sphere

Definition at line 3751 of file yac.h.

◆ YAC_MAX_CHARLEN

#define YAC_MAX_CHARLEN   (132)

Definition at line 97 of file yac.h.

Typedef Documentation

◆ yac_abort_func

typedef void(* yac_abort_func) (MPI_Comm comm, const char *msg, const char *source, int line) __attribute__((noreturn))

functions used as error handler must conform to this interface

Definition at line 3237 of file yac.h.

◆ yac_func_compute_weights

typedef void(* yac_func_compute_weights) (double const tgt_coords[3], int src_cell_id, size_t src_cell_idx, int const **global_results_points, double **result_weights, size_t *result_count, void *user_data)

Definition at line 3754 of file yac.h.

◆ yac_int

typedef YAC_INT yac_int

Definition at line 100 of file yac.h.

Function Documentation

◆ yac_abort()

void yac_abort ( MPI_Comm comm,
const char * msg,
const char * source,
int line )

Calls the currently set abort handler (yac_abort_default by default)

Parameters
[in]commMPI communicator used to call MPI_Abort
[in]msgmessage text to print
[in]sourcestring describing source file name
[in]lineline number of caller
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◆ yac_abort_message()

void yac_abort_message ( char const * msg,
const char * source,
int line )

Call the yac_abort function (providing the default communicator for the comm argument).

Parameters
msgmessage text to print
sourcestring describing source file name
lineline number of caller

◆ yac_cadd_compute_weights_callback()

void yac_cadd_compute_weights_callback ( yac_func_compute_weights compute_weights_callback,
void * user_data,
char const * key )

registers a callback routine for the computation of weights by the interpolation method user_callback

Parameters
[in]compute_weights_callbackpointer to a weight computation routine
[in]user_datadata pointer that will be passed to compute_weights_callback
[in]keykey for identifying the callback routine
Remarks
the callback has to be set on all source processes taking part in respective coupling
the key has to match the one provided in coupling configuration

Definition at line 5867 of file yac.c.

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◆ yac_cadd_interp_stack_config_average()

void yac_cadd_interp_stack_config_average ( int interp_stack_config_id,
int reduction_type,
int partial_coverage )

adds average interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]reduction_typereduction type
[in]partial_coverageallow partial coverage

Definition at line 5171 of file yac.c.

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◆ yac_cadd_interp_stack_config_check()

void yac_cadd_interp_stack_config_check ( int interp_stack_config_id,
char const * constructor_key,
char const * do_search_key )

adds fixed interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]constructor_keykey provided to yac_interp_method_check_add_constructor_callback for a constructor callback routine
[in]do_search_keykey provided to yac_interp_method_check_add_do_search_callback for a do_search callback routine

Definition at line 5832 of file yac.c.

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◆ yac_cadd_interp_stack_config_conservative()

void yac_cadd_interp_stack_config_conservative ( int interp_stack_config_id,
int order,
int enforced_conserv,
int partial_coverage,
int normalisation )

adds conservative interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]orderfirst or second order
[in]enforced_conservenforce local conservation
[in]partial_coverageallow partial coverage
[in]normalisationnormalisation type

Definition at line 5241 of file yac.c.

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◆ yac_cadd_interp_stack_config_creep()

void yac_cadd_interp_stack_config_creep ( int interp_stack_config_id,
int creep_distance )

adds creep interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]creep_distancecreep distance

Definition at line 5844 of file yac.c.

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◆ yac_cadd_interp_stack_config_fixed()

void yac_cadd_interp_stack_config_fixed ( int interp_stack_config_id,
double value )

adds fixed interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]valuefixed value

Definition at line 5822 of file yac.c.

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◆ yac_cadd_interp_stack_config_hcsbb()

void yac_cadd_interp_stack_config_hcsbb ( int interp_stack_config_id)

adds HCSBB interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack

Definition at line 5778 of file yac.c.

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◆ yac_cadd_interp_stack_config_ncc()

void yac_cadd_interp_stack_config_ncc ( int interp_stack_config_id,
int weight_type,
int partial_coverage )

adds nearest corner cells interpolation to the bottom of a interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]weight_typereduction type
[in]partial_coverageallow partial coverage

Definition at line 5190 of file yac.c.

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◆ yac_cadd_interp_stack_config_nnn()

void yac_cadd_interp_stack_config_nnn ( int interp_stack_config_id,
int type,
size_t n,
double max_search_distance,
double scale )

adds n-nearest-neighbour interpolation to the bottom of a interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]typereduction type
[in]nnumber of nearest neighbour points
[in]max_search_distancemaximum search distance for each point
[in]scalescale parameter required by some reduction types
Remarks
a max_search_distance of 0.0 results in the search distance not being restricted

Definition at line 5208 of file yac.c.

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◆ yac_cadd_interp_stack_config_rbf()

void yac_cadd_interp_stack_config_rbf ( int interp_stack_config_id,
size_t n,
double max_search_distance,
double scale )

adds rbf interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]nnumber of nearest neighbour points
[in]max_search_distancemaximum search distance for each point
[in]scalescale parameter
Remarks
a max_search_distance of 0.0 results in the search distance not being restricted

Definition at line 5229 of file yac.c.

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◆ yac_cadd_interp_stack_config_spmap()

void yac_cadd_interp_stack_config_spmap ( int interp_stack_config_id,
double spread_distance,
double max_search_distance,
int weight_type,
int scale_type,
double src_sphere_radius,
char const * src_filename,
char const * src_varname,
int src_min_global_id,
double tgt_sphere_radius,
char const * tgt_filename,
char const * tgt_varname,
int tgt_min_global_id )

adds source point mapping interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]spread_distancespread distance (in rad)
[in]max_search_distancemaximum search distance (in rad)
[in]weight_typereduction type
[in]scale_typescaling type
[in]src_sphere_radiussphere radius used for source cell area computation
[in]src_filenamenetCDF file contain the source cell areas
[in]src_varnamevariable name of source cell areas
[in]src_min_global_idminimum global id used to map global cell ids to values in the netCDF file
[in]tgt_sphere_radiussphere radius used for target cell area computation
[in]tgt_filenamenetCDF file contain the target cell areas
[in]tgt_varnamevariable name of target cell areas
[in]tgt_min_global_idminimum global id used to map global cell ids to values in the netCDF file
Remarks
cell areas for the scaling can either be computed by YAC or read from a netCDF file (see Source to Target mapping)
for computing cell areas:
(sphere_radius > 0.0; filename == NULL; varname == NULL)
for reading cell areas:
(sphere_radius == 0.0; filename != NULL; varname != NULL)

Definition at line 5545 of file yac.c.

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◆ yac_cadd_interp_stack_config_spmap_ext()

void yac_cadd_interp_stack_config_spmap_ext ( int interp_stack_config_id,
int ext_spmap_config_id,
int * spmap_overwrite_config_ids,
int spmap_overwrite_config_count )

Adds source point mapping interpolation with extended configuration options to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]ext_spmap_config_idmain configuration
[in]spmap_overwrite_config_idsoverwrite configurations
[in]spmap_overwrite_config_countnumber of overwrite configurations
See also
Extended configuration

Definition at line 5649 of file yac.c.

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◆ yac_cadd_interp_stack_config_user_callback()

void yac_cadd_interp_stack_config_user_callback ( int interp_stack_config_id,
char const * func_compute_weights_key )

adds user callback interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]func_compute_weights_keykey provided to yac_cadd_compute_weights_callback for a compute_weights callback routine

Definition at line 5854 of file yac.c.

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◆ yac_cadd_interp_stack_config_user_file()

void yac_cadd_interp_stack_config_user_file ( int interp_stack_config_id,
char const * filename )

adds user weight file interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]filenameweight file name
Remarks
YAC will read the weight file in parallel. This parallel output can be configured as described here: Configuration of parallel IO in YAC

Definition at line 5813 of file yac.c.

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◆ yac_cadd_interp_stack_config_user_file_2()

void yac_cadd_interp_stack_config_user_file_2 ( int interp_stack_config_id,
char const * filename,
int on_missing_file,
int on_success )

adds user weight file interpolation to the bottom of an interpolation stack

Parameters
[in]interp_stack_config_idinterpolation stack
[in]filenameweight file name
[in]on_missing_filespecifies how YAC should behave if no file was found
[in]on_successspecifies how YAC should behave in case a weight file was successfully read
Remarks
YAC will read the weight file in parallel. This parallel output can be configured as described here: Configuration of parallel IO in YAC

Definition at line 5787 of file yac.c.

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◆ yac_ccheck_field_dimensions()

void yac_ccheck_field_dimensions ( int field_id,
int collection_size,
int num_pointsets,
int const * pointset_sizes )

Checks whether the field dimensions match with field definition and aborts if there is a mismatch

Parameters
[in]field_id
[in]collection_sizecollection size
[in]num_pointsetsnumber of pointsets
[in]pointset_sizessize of each pointset
Remarks
if num_pointsets is -1, its value will not be checked
if pointset_sizes is NULL, its values will not be checked

Definition at line 2045 of file yac.c.

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◆ yac_ccheck_src_field_buffer_size()

void yac_ccheck_src_field_buffer_size ( int field_id,
int collection_size,
int src_field_buffer_size )

Checks whether the source field buffer size matches the one expected by YAC for this field and abort if there is a mismatch

Parameters
[in]field_id
[in]collection_sizecollection size
[in]src_field_buffer_sizesource buffer size (SUM(src_field_buffer_sizes(:)))

Definition at line 2106 of file yac.c.

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◆ yac_ccheck_src_field_buffer_sizes()

void yac_ccheck_src_field_buffer_sizes ( int field_id,
int num_src_fields,
int collection_size,
int * src_field_buffer_sizes )

Checks whether the source field buffer sizes matches the one expected by YAC for this field and abort if there is a mismatch

Parameters
[in]field_id
[in]num_src_fieldsnumber of source fields
[in]collection_sizecollection size
[in]src_field_buffer_sizessource field buffer sizes

Definition at line 2144 of file yac.c.

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◆ yac_ccleanup()

void yac_ccleanup ( )

Clean-up default YAC instance (see Restarting YAC)

Frees all memory associated with the default YAC instance.

Remarks
Call yac_cfinalize for freeing all memory allocated by YAC.

Definition at line 711 of file yac.c.

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◆ yac_ccleanup_instance()

void yac_ccleanup_instance ( int yac_instance_id)

Clean-up a YAC instance (see Restarting YAC)

Frees all memory associated with the provided YAC instance.

Parameters
[in]yac_instance_idid of the YAC instance to be cleaned up
Remarks
Call yac_cfinalize for freeing all memory allocated by YAC.

Definition at line 703 of file yac.c.

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◆ yac_ccompute_grid_cell_areas()

void yac_ccompute_grid_cell_areas ( int grid_id,
double * cell_areas )

computes the areas of all cells in a grid (an earth radius of 1.0 is assumed)

Parameters
[in]grid_id
[out]cell_areas

Definition at line 5116 of file yac.c.

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◆ yac_cdef_calendar()

void yac_cdef_calendar ( int calendar)

Defines the calendar of the default instance

Parameters
[in]calendarThe calendar
See also
YAC_PROLEPTIC_GREGORIAN etc.

Definition at line 769 of file yac.c.

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◆ yac_cdef_comp()

void yac_cdef_comp ( const char * comp_name,
int * comp_id )

Elementary definition of the component for the default YAC instance

Parameters
[in]comp_namename of the component
[out]comp_idcomponent Id
Remarks
this call is collective for all processes that initialised the default YAC instance
components can only be defined once in the initialisation phase of a YAC instance. If you want to predefine a component, please use yac_cpredef_comp.

Definition at line 1013 of file yac.c.

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◆ yac_cdef_comp_instance()

void yac_cdef_comp_instance ( int yac_instance_id,
const char * comp_name,
int * comp_id )

Elementary definition of the component.

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_namename of the component
[out]comp_idcomponent Id
Remarks
this call is collective for all processes that initialised the provided YAC instance
components can only be defined once in the initialisation phase of a YAC instance. If you want to predefine a component, please use yac_cpredef_comp_instance.

Definition at line 1007 of file yac.c.

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◆ yac_cdef_component_metadata()

void yac_cdef_component_metadata ( const char * comp_name,
const char * metadata )

Define metadata for a component

Parameters
[in]comp_name
[in]metadata

Definition at line 1456 of file yac.c.

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◆ yac_cdef_component_metadata_instance()

void yac_cdef_component_metadata_instance ( int yac_instance_id,
const char * comp_name,
const char * metadata )

Define metadata for a component

Parameters
[in]yac_instance_id
[in]comp_name
[in]metadata

Definition at line 1448 of file yac.c.

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◆ yac_cdef_comps()

void yac_cdef_comps ( const char ** comp_names,
int num_comps,
int * comp_ids )

Elementary definition of the components for the default YAC instance

Parameters
[in]comp_namesnames of the components
[in]num_compsnumber of components
[out]comp_idscomponent Id's
Remarks
this call is collective for all processes that initialised the default YAC instance
components can only be defined once in the initialisation phase of a YAC instance

Definition at line 999 of file yac.c.

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◆ yac_cdef_comps_instance()

void yac_cdef_comps_instance ( int yac_instance_id,
const char ** comp_names,
int num_comps,
int * comp_ids )

Elementary definition of the components.

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_namesnames of the components
[in]num_compsnumber of components
[out]comp_idscomponent Id's
Remarks
this call is collective for all processes that initialised the provided YAC instance
components can only be defined once in the initialisation phase of a YAC instance

Definition at line 974 of file yac.c.

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◆ yac_cdef_couple()

void yac_cdef_couple ( char const * src_comp_name,
char const * src_grid_name,
char const * src_field_name,
char const * tgt_comp_name,
char const * tgt_grid_name,
char const * tgt_field_name,
char const * coupling_timestep,
int time_unit,
int time_reduction,
int interp_stack_config_id,
int src_lag,
int tgt_lag )

Define couple in the default YAC instance

Parameters
[in]src_comp_namecomponent name of the source component
[in]src_grid_namegrid name of the source grid
[in]src_field_namefield name of the source field
[in]tgt_comp_namecomponent name of the target component
[in]tgt_grid_namegrid name of the target grid
[in]tgt_field_namefield name of the target field
[in]coupling_timesteptime step for the coupling given in the defined timestep unit
[in]time_unitunit of coupling_timestep argument
[in]time_reductiontype for reducing multiple timesteps
See also
YAC_REDUCTION_TIME_NONE etc.
Parameters
[in]interp_stack_config_idid of the interpolation stack config to be used
[in]src_laglag for this couple on the source component
[in]tgt_laglag for this couple on the target component

Definition at line 1951 of file yac.c.

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◆ yac_cdef_couple_custom()

void yac_cdef_couple_custom ( char const * src_comp_name,
char const * src_grid_name,
char const * src_field_name,
char const * tgt_comp_name,
char const * tgt_grid_name,
char const * tgt_field_name,
char const * coupling_timestep,
int time_unit,
int time_reduction,
int interp_stack_config_id,
int src_lag,
int tgt_lag,
int ext_couple_config_id )

Define couple in the default YAC instance using an extended coupling configuration

Parameters
[in]src_comp_namecomponent name of the source component
[in]src_grid_namegrid name of the source grid
[in]src_field_namefield name of the source field
[in]tgt_comp_namecomponent name of the target component
[in]tgt_grid_namegrid name of the target grid
[in]tgt_field_namefield name of the target field
[in]coupling_timesteptime step for the coupling given in the defined timestep unit
[in]time_unitunit of coupling_timestep argument
[in]time_reductiontype for reducing multiple timesteps
See also
YAC_REDUCTION_TIME_NONE etc.
Parameters
[in]interp_stack_config_idid of the interpolation stack config to be used
[in]src_laglag for this couple on the source component
[in]tgt_laglag for this couple on the target component
[in]ext_couple_config_idextended coupling configuration

Definition at line 1919 of file yac.c.

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◆ yac_cdef_couple_custom_instance()

void yac_cdef_couple_custom_instance ( int yac_instance_id,
char const * src_comp_name,
char const * src_grid_name,
char const * src_field_name,
char const * tgt_comp_name,
char const * tgt_grid_name,
char const * tgt_field_name,
char const * coupling_timestep,
int time_unit,
int time_reduction,
int interp_stack_config_id,
int src_lag,
int tgt_lag,
int ext_couple_config_id )

Define couple using an extended coupling configuration

Parameters
[in]yac_instance_idid of the YAC instance for that the couple should be defined
[in]src_comp_namecomponent name of the source component
[in]src_grid_namegrid name of the source grid
[in]src_field_namefield name of the source field
[in]tgt_comp_namecomponent name of the target component
[in]tgt_grid_namegrid name of the target grid
[in]tgt_field_namefield name of the target field
[in]coupling_timesteptime step for the coupling
[in]time_unitunit of coupling_timestep argument
[in]time_reductiontype for reducing multiple timesteps
See also
YAC_REDUCTION_TIME_NONE etc.
Parameters
[in]interp_stack_config_idid of the interpolation stack config to be used
[in]src_laglag for this couple on the source component
[in]tgt_laglag for this couple on the target component
[in]ext_couple_config_idextended coupling configuration

Definition at line 1904 of file yac.c.

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◆ yac_cdef_couple_instance()

void yac_cdef_couple_instance ( int yac_instance_id,
char const * src_comp_name,
char const * src_grid_name,
char const * src_field_name,
char const * tgt_comp_name,
char const * tgt_grid_name,
char const * tgt_field_name,
char const * coupling_timestep,
int time_unit,
int time_reduction,
int interp_stack_config_id,
int src_lag,
int tgt_lag )

Define couple

Parameters
[in]yac_instance_idid of the YAC instance for that the couple should be defined
[in]src_comp_namecomponent name of the source component
[in]src_grid_namegrid name of the source grid
[in]src_field_namefield name of the source field
[in]tgt_comp_namecomponent name of the target component
[in]tgt_grid_namegrid name of the target grid
[in]tgt_field_namefield name of the target field
[in]coupling_timesteptime step for the coupling
[in]time_unitunit of coupling_timestep argument
[in]time_reductiontype for reducing multiple timesteps
See also
YAC_REDUCTION_TIME_NONE etc.
Parameters
[in]interp_stack_config_idid of the interpolation stack config to be used
[in]src_laglag for this couple on the source component
[in]tgt_laglag for this couple on the target component

Definition at line 1934 of file yac.c.

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◆ yac_cdef_datetime()

void yac_cdef_datetime ( const char * start_datetime,
const char * end_datetime )

Definition of job start and end datetime for the default YAC instance

Parameters
[in]start_datetimecalendar job start datetime
[in]end_datetimecalendar job end datetime

Definition at line 761 of file yac.c.

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◆ yac_cdef_datetime_instance()

void yac_cdef_datetime_instance ( int yac_instance_id,
const char * start_datetime,
const char * end_datetime )

Definition of job start and end datetime

Parameters
[in]yac_instance_idid of the YAC instance
[in]start_datetimecalendar job start datetime
[in]end_datetimecalendar job end datetime

Definition at line 752 of file yac.c.

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◆ yac_cdef_field()

void yac_cdef_field ( char const * field_name,
int const component_id,
int const * point_ids,
int const num_pointsets,
int collection_size,
const char * timestep,
int time_unit,
int * field_id )

Definition of the coupling field (using default mask, if defined)

Parameters
[in]field_namecharacter string providing the name of the coupling field
[in]component_idcomponent ID
[in]point_idspoint IDs
[in]num_pointsetsnumber of pointsets per grid
[in]collection_sizecollection size
[in]timesteptimestep
[in]time_unittime unit
[out]field_idreturned field_id which has to be used to identify coupling fields in yac_cput and yac_cget.
Remarks
A calendar has to be defined before this routine is called. This can be done by a call to yac_cdef_calendar, by reading of configuration file that defines a calendar, or by synchronizing with other processes that already have defined a calendar using yac_csync_def.

Definition at line 1396 of file yac.c.

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◆ yac_cdef_field_mask()

void yac_cdef_field_mask ( char const * field_name,
int const component_id,
int const * point_ids,
int const * mask_ids,
int const num_pointsets,
int collection_size,
const char * timestep,
int time_unit,
int * field_id )

Definition of the coupling field

Parameters
[in]field_namecharacter string providing the name of the coupling field
[in]component_idcomponent ID
[in]point_idspoint IDs
[in]mask_idsmask IDs
[in]num_pointsetsnumber of pointsets per grid
[in]collection_sizecollection size
[in]timesteptimestep
[in]time_unit
[out]field_idreturned field_id which has to be used to identify coupling fields in yac_cput and yac_cget.
Remarks
A calendar has to be defined before this routine is called. This can be done by a call to yac_cdef_calendar, by reading of configuration file that defines a calendar, or by synchronizing with other processes that already have defined a calendar using yac_csync_def.

Definition at line 1323 of file yac.c.

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◆ yac_cdef_field_metadata()

void yac_cdef_field_metadata ( const char * comp_name,
const char * grid_name,
const char * field_name,
const char * metadata )

Define metadata for a field

Parameters
[in]comp_name
[in]grid_name
[in]field_name
[in]metadata

Definition at line 1484 of file yac.c.

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◆ yac_cdef_field_metadata_instance()

void yac_cdef_field_metadata_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name,
const char * metadata )

Define metadata for a field

Parameters
[in]yac_instance_id
[in]comp_name
[in]grid_name
[in]field_name
[in]metadata

Definition at line 1475 of file yac.c.

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◆ yac_cdef_grid_cloud()

void yac_cdef_grid_cloud ( const char * grid_name,
int nbr_points,
double * x_points,
double * y_points,
int * grid_id )

Definition of grid consisting of a cloud of points

Parameters
[in]grid_namename of the grid
[in]nbr_pointsnumber of points
[in]x_pointsarray of point longitudes, in radians
[in]y_pointsarray of point latitudes, in radians
[out]grid_idid of generated grid

Definition at line 4953 of file yac.c.

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◆ yac_cdef_grid_curve2d()

void yac_cdef_grid_curve2d ( const char * grid_name,
int nbr_vertices[2],
int cyclic[2],
double * x_vertices,
double * y_vertices,
int * grid_id )

Definition of a 2d curvilinear grid

Parameters
[in]grid_namename of the grid
[in]nbr_vertices2d array containing the number of vertices in each dimension
[in]cyclic2d array containing information about cyclic behaviour in each dimension
[in]x_verticesarray of vertex longitudes, in radians
[in]y_verticesarray of vertex latitudes, in radians
[out]grid_idid of generated grid
Remarks
  • The array x_vertices and y_vertices are expected to be of size nbr_vertices[0] * nbr_vertices[1].
  • This call generate a grid with the following basic grid data:
    size_t internal_nbr_cells_2d[2];
    size_t internal_nbr_vertices_2d[2];
    if (cyclic[0]) {
    internal_nbr_cells_2d[0] = nbr_vertices[0];
    internal_nbr_cells_2d[1] = nbr_vertices[1] - 1;
    internal_nbr_vertices_2d[0] = nbr_vertices[0] + 1;
    internal_nbr_vertices_2d[1] = nbr_vertices[1];
    } else {
    internal_nbr_cells_2d[0] = nbr_vertices[0] - 1;
    internal_nbr_cells_2d[1] = nbr_vertices[1] - 1;
    internal_nbr_vertices_2d[0] = nbr_vertices[0];
    internal_nbr_vertices_2d[1] = nbr_vertices[1];
    }
    size_t internal_nbr_cells =
    internal_nbr_cells_2d[0] * internal_nbr_cells_2d[1];
    size_t internal_nbr_vertices =
    internal_nbr_vertices_2d[0] * internal_nbr_vertices_2d[1];
    size_t internal_nbr_edges =
    (internal_nbr_cells_2d[0] + 1) * internal_nbr_cells_2d[1] +
    internal_nbr_cells_2d[0] * (internal_nbr_cells_2d[1] + 1);
    double * internal_x_vertices =
    malloc(internal_nbr_vertices * sizeof(*internal_x_vertices));
    double * internal_y_vertices =
    malloc(internal_nbr_vertices * sizeof(*internal_y_vertices));
    for (size_t i = 0; i < internal_nbr_vertices; ++i) {
    internal_x_vertices[i] = x_vertices[i];
    internal_y_vertices[i] = y_vertices[i];
    }
    test_raw_exchange.i
    int i
    Definition test_raw_exchange.py:89
    cyclic
    unsigned cyclic[2]
    Definition test_interpolation_parallel4.c:74
  • The edges of the grid follow great circles.
  • See Ordering of Edges

Definition at line 4849 of file yac.c.

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◆ yac_cdef_grid_metadata()

void yac_cdef_grid_metadata ( const char * grid_name,
const char * metadata )

Define metadata for a grid for the default YAC instance

Parameters
[in]grid_name
[in]metadata

Definition at line 1470 of file yac.c.

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◆ yac_cdef_grid_metadata_instance()

void yac_cdef_grid_metadata_instance ( int yac_instance_id,
const char * grid_name,
const char * metadata )

Define metadata for a grid

Parameters
[in]yac_instance_id
[in]grid_name
[in]metadata

Definition at line 1461 of file yac.c.

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◆ yac_cdef_grid_reg2d()

void yac_cdef_grid_reg2d ( const char * grid_name,
int nbr_vertices[2],
int cyclic[2],
double * x_vertices,
double * y_vertices,
int * grid_id )

Definition of a 2d regular grid

Parameters
[in]grid_namename of the grid
[in]nbr_vertices2d array containing the number of vertices in each dimension
[in]cyclic2d array containing information about cyclic behaviour in each dimension
[in]x_verticesarray of vertex longitudes, in radians
[in]y_verticesarray of vertex latitudes, in radians
[out]grid_idid of generated grid
Remarks
  • This call generate a grid with the following basic grid data:
    size_t internal_nbr_cells_2d[2];
    size_t internal_nbr_vertices_2d[2];
    if (cyclic[0]) {
    internal_nbr_cells_2d[0] = nbr_vertices[0];
    internal_nbr_cells_2d[1] = nbr_vertices[1] - 1;
    internal_nbr_vertices_2d[0] = nbr_vertices[0];
    internal_nbr_vertices_2d[1] = nbr_vertices[1];
    } else {
    internal_nbr_cells_2d[0] = nbr_vertices[0] - 1;
    internal_nbr_cells_2d[1] = nbr_vertices[1] - 1;
    internal_nbr_vertices_2d[0] = nbr_vertices[0];
    internal_nbr_vertices_2d[1] = nbr_vertices[1];
    }
    size_t internal_nbr_cells =
    internal_nbr_cells_2d[0] * internal_nbr_cells_2d[1];
    size_t internal_nbr_vertices =
    internal_nbr_vertices_2d[0] * internal_nbr_vertices_2d[1];
    size_t internal_nbr_edges =
    internal_nbr_cells_2d[1] * internal_nbr_vertices_2d[0] +
    internal_nbr_cells_2d[0] * internal_nbr_vertices_2d[1];
    double * internal_x_vertices =
    malloc(internal_nbr_vertices * sizeof(*internal_x_vertices));
    double * internal_y_vertices =
    malloc(internal_nbr_vertices * sizeof(*internal_y_vertices));
    for (size_t i = 0, k = 0; i < nbr_vertices[1]; ++i) {
    for (size_t j = 0; j < nbr_vertices[0]; ++j, ++k) {
    internal_x_vertices[k] = x_vertices[j];
    internal_y_vertices[k] = y_vertices[i];
    }
    }
  • The edges of the grid either follow circles of longitude or latitude.
  • See Ordering of Edges

Definition at line 4831 of file yac.c.

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◆ yac_cdef_grid_reg2d_rot()

void yac_cdef_grid_reg2d_rot ( const char * grid_name,
int nbr_vertices[2],
int cyclic[2],
double * x_vertices,
double * y_vertices,
double x_north_pole,
double y_north_pole,
int * grid_id )

Definition of a rotated 2d regular grid

Parameters
[in]grid_namename of the grid
[in]nbr_vertices2d array containing the number of vertices in each dimension
[in]cyclic2d array containing information about cyclic behaviour in each dimension
[in]x_verticesarray of vertex longitudes, in radians
[in]y_verticesarray of vertex latitudes, in radians
[in]x_north_polelongitude of the rotated north pole, in radians
[in]y_north_polelongitude of the rotated north pole, in radians
[out]grid_idid of generated grid
Remarks
  • This call generate a grid with the following basic grid data:
    size_t internal_nbr_cells_2d[2];
    size_t internal_nbr_vertices_2d[2];
    if (cyclic[0]) {
    internal_nbr_cells_2d[0] = nbr_vertices[0];
    internal_nbr_cells_2d[1] = nbr_vertices[1] - 1;
    internal_nbr_vertices_2d[0] = nbr_vertices[0];
    internal_nbr_vertices_2d[1] = nbr_vertices[1];
    } else {
    internal_nbr_cells_2d[0] = nbr_vertices[0] - 1;
    internal_nbr_cells_2d[1] = nbr_vertices[1] - 1;
    internal_nbr_vertices_2d[0] = nbr_vertices[0];
    internal_nbr_vertices_2d[1] = nbr_vertices[1];
    }
    size_t internal_nbr_cells =
    internal_nbr_cells_2d[0] * internal_nbr_cells_2d[1];
    size_t internal_nbr_vertices =
    internal_nbr_vertices_2d[0] * internal_nbr_vertices_2d[1];
    size_t internal_nbr_edges =
    internal_nbr_cells_2d[1] * internal_nbr_vertices_2d[0] +
    internal_nbr_cells_2d[0] * internal_nbr_vertices_2d[1];
    double * internal_x_vertices =
    malloc(internal_nbr_vertices * sizeof(*internal_x_vertices));
    double * internal_y_vertices =
    malloc(internal_nbr_vertices * sizeof(*internal_y_vertices));
    for (size_t i = 0, k = 0; i < nbr_vertices[1]; ++i) {
    for (size_t j = 0; j < nbr_vertices[0]; ++j, ++k) {
    double x_vertex_rot, y_vertex_rot;
    rotate(
    x_vertices[j], y_vertices[i], &x_vertex_rot, &y_vertex_rot);
    internal_x_vertices[k] = x_vertex_rot;
    internal_y_vertices[k] = y_vertex_rot;
    }
    }
  • The edges of the grid follow great circles.
  • See Ordering of Edges

Definition at line 4969 of file yac.c.

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◆ yac_cdef_grid_unstruct()

void yac_cdef_grid_unstruct ( const char * grid_name,
int nbr_vertices,
int nbr_cells,
int * num_vertices_per_cell,
double * x_vertices,
double * y_vertices,
int * cell_to_vertex,
int * grid_id )

Definition of an unstructured grid

Parameters
[in]grid_namename of the grid
[in]nbr_verticesnumber of vertices
[in]nbr_cellsnumber of cells
[in]num_vertices_per_cellarray containing the number of vertices for each cell
[in]x_verticesarray of vertex longitudes, in radians
[in]y_verticesarray of vertex latitudes, in radians
[in]cell_to_vertexconnectivity of vertices belonging to cells
(the vertex indices per cell have to be in clockwise or counterclockwise ordering)
[out]grid_idid of generated grid
Remarks

Definition at line 4867 of file yac.c.

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◆ yac_cdef_grid_unstruct_edge()

void yac_cdef_grid_unstruct_edge ( const char * grid_name,
int nbr_vertices,
int nbr_cells,
int nbr_edges,
int * num_edges_per_cell,
double * x_vertices,
double * y_vertices,
int * cell_to_edge,
int * edge_to_vertex,
int * grid_id )

Definition of an unstructured grid with explicit edge definition

Parameters
[in]grid_namename of the grid
[in]nbr_verticesnumber of vertices
[in]nbr_cellsnumber of cells
[in]nbr_edgesnumber of edges
[in]num_edges_per_cellarray containing the number of edges for each cell
[in]x_verticesarray of vertex longitudes, in radians
[in]y_verticesarray of vertex latitudes, in radians
[in]cell_to_edgeconnectivity of edges belonging to cells
(the edge indices per cell have to be in clockwise or counterclockwise ordering)
[in]edge_to_vertexconnectivity of vertices belonging to edges
[out]grid_idid of generated grid
Remarks
  • The edges of the grid follow great circles.

Definition at line 4909 of file yac.c.

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◆ yac_cdef_grid_unstruct_edge_ll()

void yac_cdef_grid_unstruct_edge_ll ( const char * grid_name,
int nbr_vertices,
int nbr_cells,
int nbr_edges,
int * num_edges_per_cell,
double * x_vertices,
double * y_vertices,
int * cell_to_edge,
int * edge_to_vertex,
int * grid_id )

Definition of an unstructured grid with lon-lat edges with explicit edge definition

Parameters
[in]grid_namename of the grid
[in]nbr_verticesnumber of vertices
[in]nbr_cellsnumber of cells
[in]nbr_edgesnumber of edges
[in]num_edges_per_cellarray containing the number of edges for each cell
[in]x_verticesarray of vertex longitudes, in radians
[in]y_verticesarray of vertex latitudes, in radians
[in]cell_to_edgeconnectivity of edges belonging to cells
(the edge indices per cell have to be in clockwise or counterclockwise ordering)
[in]edge_to_vertexconnectivity of vertices belonging to edges
[out]grid_idid of generated grid
Remarks
YAC will check all edges of the grid and determine whether they are on circles of longitudes (same x coordinate) or latitudes (same y coordinate). An edge that does not fulfill this condition will cause an error.

Definition at line 4931 of file yac.c.

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◆ yac_cdef_grid_unstruct_ll()

void yac_cdef_grid_unstruct_ll ( const char * grid_name,
int nbr_vertices,
int nbr_cells,
int * num_vertices_per_cell,
double * x_vertices,
double * y_vertices,
int * cell_to_vertex,
int * grid_id )

Definition of an unstructured grid with lon-lat edges

Parameters
[in]grid_namename of the grid
[in]nbr_verticesnumber of vertices
[in]nbr_cellsnumber of cells
[in]num_vertices_per_cellarray containing the number of vertices for each cell
[in]x_verticesarray of vertex longitudes, in radians
[in]y_verticesarray of vertex latitudes, in radians
[in]cell_to_vertexconnectivity of vertices belonging to cells
(the vertex indices per cell have to be in clockwise or counterclockwise ordering)
[out]grid_idid of generated grid
Remarks
See Ordering of Edges
YAC will check all edges of the grid and determine whether they are on circles of longitudes (same x coordinate) or latitudes (same y coordinate). An edge that does not fulfill this condition will cause an error.

Definition at line 4888 of file yac.c.

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◆ yac_cdef_mask()

void yac_cdef_mask ( int const grid_id,
int const nbr_points,
int const location,
int const * is_valid,
int * mask_id )

define a mask for a grid

Parameters
[in]grid_idgrid ID
[in]nbr_pointsnumber of points
[in]locationcell/vertex/edge
[in]is_valid0 for points that are masked out, 1 for valid points
[out]mask_idreturned handle to the mask struct

Definition at line 1295 of file yac.c.

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◆ yac_cdef_mask_named()

void yac_cdef_mask_named ( int const grid_id,
int const nbr_points,
int const location,
int const * is_valid,
char const * name,
int * mask_id )

define a named mask for a grid

Parameters
[in]grid_idgrid ID
[in]nbr_pointsnumber of points
[in]locationcell/vertex/edge
[in]is_valid0 for points that are masked out, 1 for valid points
[in]namename of the mask
[out]mask_idreturned handle to the mask struct

Definition at line 1274 of file yac.c.

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◆ yac_cdef_points_curve2d()

void yac_cdef_points_curve2d ( int const grid_id,
int const * nbr_points,
int const location,
double const * x_points,
double const * y_points,
int * point_id )

Definition of a set of points for 2D curvilinear grids.

Parameters
[in]grid_idhandle to the grid struct
[in]nbr_pointsnumber of points
[in]locationlocation of points
[in]x_pointsarray of point longitudes, in radians
[in]y_pointsarray of point latitudes, in radians
[out]point_idreturned handle to the points struct
Remarks
  • This routine supports points defined on cells or vertices. For edges use yac_cdef_points_unstruct instead.
  • The array x_points and y_points are expected to be of size nbr_points[0] * nbr_points[1].
  • See yac_cdef_grid_curve2d on how the coordinates are being interpreted.

Definition at line 1142 of file yac.c.

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◆ yac_cdef_points_reg2d()

void yac_cdef_points_reg2d ( int const grid_id,
int const * nbr_points,
int const location,
double const * x_points,
double const * y_points,
int * point_id )

Definition of a set of points for 2D regular grids.

Parameters
[in]grid_idhandle to the grid struct
[in]nbr_pointsnumber of points
[in]locationlocation of points
[in]x_pointsarray of point longitudes, in radians
[in]y_pointsarray of point latitudes, in radians
[out]point_idreturned handle to the points struct
Remarks
  • This routine supports points defined on cells or vertices. For edges use yac_cdef_points_unstruct instead.
  • The array x_points and y_points are expected to be of size nbr_points[0] and nbr_points[1] respectively.
  • See yac_cdef_grid_reg2d on how the coordinates are being interpreted.

Definition at line 1103 of file yac.c.

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◆ yac_cdef_points_reg2d_rot()

void yac_cdef_points_reg2d_rot ( int const grid_id,
int const * nbr_points,
int const location,
double const * x_points,
double const * y_points,
double x_north_pole,
double y_north_pole,
int * point_id )

Definition of a set of points for 2D regular rotated grid.

Parameters
[in]grid_idhandle to the grid struct
[in]nbr_pointsnumber of points
[in]locationlocation of points
[in]x_pointsarray of point longitudes, in radians
[in]y_pointsarray of point latitudes, in radians
[in]x_north_polelongitude of the north pole, in radians
[in]y_north_polelatitude of the north pole, in radians
[out]point_idreturned handle to the points struct
Remarks
  • This routine supports points defined on cells or vertices. For edges use yac_cdef_points_unstruct instead.
  • The array x_points and y_points are expected to be of size nbr_points[0] and nbr_points[1] respectively.
  • See yac_cdef_grid_reg2d_rot on how the coordinates are being interpreted.

Definition at line 1210 of file yac.c.

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◆ yac_cdef_points_unstruct()

void yac_cdef_points_unstruct ( int const grid_id,
int const nbr_points,
int const location,
double const * x_points,
double const * y_points,
int * point_id )

Definition of a set of points for 2D unstructured grids.

Parameters
[in]grid_idhandle to the grid struct
[in]nbr_pointsnumber of points
[in]locationlocation of points
[in]x_pointsarray of point longitudes, in radians
[in]y_pointsarray of point latitudes, in radians
[out]point_idreturned handle to the points struct
Remarks
The array x_points and y_points are expected to be of size nbr_points.
See also
yac_cdef_grid_unstruct

Definition at line 1181 of file yac.c.

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◆ yac_cenable_field_frac_mask()

void yac_cenable_field_frac_mask ( const char * comp_name,
const char * grid_name,
const char * field_name,
double frac_mask_fallback_value )

Enables fractional masking for a coupling field and sets the fallback value

Parameters
[in]comp_name
[in]grid_name
[in]field_name
[in]frac_mask_fallback_valuefractional mask fallback value
Remarks
If this field is used as a source in couple, the user will have to provide a fractional mask for all source points along with the source field values in all put/exchange operations of this field. (see Dynamic fractional masking)

Definition at line 1439 of file yac.c.

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◆ yac_cenable_field_frac_mask_instance()

void yac_cenable_field_frac_mask_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name,
double frac_mask_fallback_value )

Enables fractional masking for a coupling field and sets the fallback value

Parameters
[in]yac_instance_id
[in]comp_name
[in]grid_name
[in]field_name
[in]frac_mask_fallback_valuefractional mask fallback value
Remarks
If this field is used as a source in couple, the user will have to provide a fractional mask for all source points along with the source field values in all put/exchange operations of this field. (see Dynamic fractional masking)

Definition at line 1427 of file yac.c.

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◆ yac_cenddef()

void yac_cenddef ( void )

End of the definition phase for the default YAC instance and setup of internal data structures for coupling (communication matrices and interpolation weights)

Definition at line 4400 of file yac.c.

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◆ yac_cenddef_and_emit_config()

void yac_cenddef_and_emit_config ( int emit_flags,
char ** config )

End of the definition phase for the default YAC instance, invocation of the search and setup of internal data structures for coupling (communication matrices and interpolation weights). In addition, the collected coupling configuration from all processes is emitted.

Parameters
[in]emit_flagsflags for configuring the generated coupling configuration output (YAC_YAML_EMITTER_DEFAULT or YAC_YAML_EMITTER_JSON)
[out]configcoupling configuration
Remarks
the user is responsible for freeing the returned coupling configuration

Definition at line 4415 of file yac.c.

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◆ yac_cenddef_and_emit_config_instance()

void yac_cenddef_and_emit_config_instance ( int yac_instance_id,
int emit_flags,
char ** config )

End of the definition phase, invocation of the search and setup of internal data structures for coupling (communication matrices and interpolation weights). In addition, the collected coupling configuration from all processes is emitted.

Parameters
[in]yac_instance_idid of the YAC instance
[in]emit_flagsflags for configuring the generated coupling configuration output (YAC_YAML_EMITTER_DEFAULT or YAC_YAML_EMITTER_JSON)
[out]configcoupling configuration
Remarks
the user is responsible for freeing the returned coupling configuration

Definition at line 4406 of file yac.c.

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◆ yac_cenddef_instance()

void yac_cenddef_instance ( int yac_instance_id)

End of the definition phase, invocation of the search and setup of internal data structures for coupling (communication matrices and interpolation weights)

Parameters
[in]yac_instance_idid of the YAC instance

Definition at line 4393 of file yac.c.

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◆ yac_cexchange()

void yac_cexchange ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ***const send_field,
double ** recv_field,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the coupling fields

Parameters
[in]send_field_id-
[in]recv_field_id-
[in]collection_size-
[in]send_field- send buffer dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]recv_field- receive buffer dimensions: recv_field[collection_size][nbr_points]
[out]send_info- returned send info
[out]recv_info- returned recv info
[out]ierror- returned error

Definition at line 4345 of file yac.c.

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◆ yac_cexchange_()

void yac_cexchange_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double * send_field,
double * recv_field,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the coupling fields

Parameters
[in]send_field_id-
[in]recv_field_id-
[in]collection_size-
[in]send_field- send buffer (all data is stored in one contiguous part of the memory) dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]recv_field- receive buffer (all data is stored in one contiguous part of the memory) dimensions: recv_field[collection_size][nbr_points]
[out]send_info- returned send info
[out]recv_info- returned recv info
[out]ierror- returned error

Definition at line 3735 of file yac.c.

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◆ yac_cexchange_frac()

void yac_cexchange_frac ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ***const send_field,
double ***const send_frac_mask,
double ** recv_field,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the coupling fields

Parameters
[in]send_field_id-
[in]recv_field_id-
[in]collection_size-
[in]send_field- send buffer dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]send_frac_mask- send fractional mask dimensions send_frac_mask[collection_size] [nbr_fields] [nbr_points]
[in]recv_field- receive buffer dimensions: recv_field[collection_size][nbr_points]
[out]send_info- returned send info
[out]recv_info- returned recv info
[out]ierror- returned error

Definition at line 4033 of file yac.c.

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◆ yac_cexchange_frac_()

void yac_cexchange_frac_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double * send_field,
double * send_frac_mask,
double * recv_field,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the coupling fields

Parameters
[in]send_field_id-
[in]recv_field_id-
[in]collection_size-
[in]send_field- send buffer (all data is stored in one contiguous part of the memory) dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]send_frac_mask- send fractional mask (all data is stored in one contiguous part of the memory) dimensions send_frac_mask[collection_size] [nbr_fields] [nbr_points]
[in]recv_field- receive buffer (all data is stored in one contiguous part of the memory) dimensions: recv_field[collection_size][nbr_points]
[out]send_info- returned send info
[out]recv_info- returned recv info
[out]ierror- returned error

Definition at line 3846 of file yac.c.

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◆ yac_cexchange_frac_ptr_()

void yac_cexchange_frac_ptr_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ** send_field,
double ** send_frac_mask,
double ** recv_field,
int * send_info,
int * recv_info,
int * ierror )

Sending of the coupling fields

Parameters
[in]send_field_id
[in]recv_field_id
[in]collection_size
[in]send_fieldsend buffer dimensions send_field[collection_size * nbr_fields] [nbr_points]
[in]send_frac_masksend buffer dimensions send_frac_mask[collection_size * nbr_fields] [nbr_points]
[in]recv_fieldreceive buffer dimensions: recv_field[collection_size][nbr_points]
[out]send_inforeturned send info
[out]recv_inforeturned recv info
[out]ierrorreturned error

Definition at line 3950 of file yac.c.

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◆ yac_cexchange_ptr_()

void yac_cexchange_ptr_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ** send_field,
double ** recv_field,
int * send_info,
int * recv_info,
int * ierror )

Sending of the coupling fields

Parameters
[in]send_field_id-
[in]recv_field_id-
[in]collection_size-
[in]send_field- send buffer dimensions send_field[collection_size * nbr_fields] [nbr_points]
[in]recv_field- receive buffer dimensions: recv_field[collection_size][nbr_points]
[out]send_info- returned send info
[out]recv_info- returned recv info
[out]ierror- returned error

Definition at line 3885 of file yac.c.

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◆ yac_cexchange_raw()

void yac_cexchange_raw ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ***const send_field,
double *** src_field_buffer,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the source points required for the interpolation of the local target field

Parameters
[in]send_field_id
[in]recv_field_id
[in]collection_size
[in]send_fieldsend buffer (all data is stored in one contiguous part of the memory) dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]src_field_buffersource field buffer (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]send_inforeturned send info
[out]recv_inforeturned recv info
[out]ierrorreturned error

Definition at line 4360 of file yac.c.

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◆ yac_cexchange_raw_()

void yac_cexchange_raw_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double * send_field,
double * src_field_buffer,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the source points required for the interpolation of the local target field

Parameters
[in]send_field_id
[in]recv_field_id
[in]collection_size
[in]send_fieldsend buffer (all data is stored in one contiguous part of the memory) dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]src_field_buffersource field buffer (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]send_inforeturned send info
[out]recv_inforeturned recv info
[out]ierrorreturned error

Definition at line 3825 of file yac.c.

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◆ yac_cexchange_raw_frac()

void yac_cexchange_raw_frac ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ***const send_field,
double ***const send_frac_mask,
double *** src_field_buffer,
double *** src_frac_mask_buffer,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the source points required for the interpolation of the local target field

Parameters
[in]send_field_id
[in]recv_field_id
[in]collection_size
[in]send_fieldsend buffer dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]send_frac_masksend fractional mask dimensions send_frac_mask[collection_size] [nbr_fields] [nbr_points]
[in]src_field_buffersource field buffer (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[in]src_frac_mask_buffersource fractional mask buffer (dimensions: src_frac_mask_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]send_inforeturned send info
[out]recv_inforeturned recv info
[out]ierrorreturned error
Remarks
source field values in the src_field_buffer have already been weighted, by the fractional mask

Definition at line 4149 of file yac.c.

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◆ yac_cexchange_raw_frac_()

void yac_cexchange_raw_frac_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double * send_field,
double * send_frac_mask,
double * src_field_buffer,
double * src_frac_mask_buffer,
int * send_info,
int * recv_info,
int * ierror )

Exchange of the source points required for the interpolation of the local target field

Parameters
[in]send_field_id
[in]recv_field_id
[in]collection_size
[in]send_fieldsend buffer (all data is stored in one contiguous part of the memory) dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]send_frac_masksend fractional mask (all data is stored in one contiguous part of the memory) dimensions send_frac_mask[collection_size] [nbr_fields] [nbr_points]
[in]src_field_buffersource field buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[in]src_frac_mask_buffersource fractional mask buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]send_inforeturned send info
[out]recv_inforeturned recv info
[out]ierrorreturned error
Remarks
source field values in the src_field_buffer have already been weighted, by the fractional mask

Definition at line 3767 of file yac.c.

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◆ yac_cexchange_raw_frac_ptr_()

void yac_cexchange_raw_frac_ptr_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ** send_field,
double ** send_frac_mask,
double ** src_field_buffer,
double ** src_frac_mask_buffer,
int * send_info,
int * recv_info,
int * ierror )

Sending of the coupling fields

Parameters
[in]send_field_id
[in]recv_field_id
[in]collection_size
[in]send_fieldsend buffer dimensions send_field[collection_size * nbr_fields] [nbr_points]
[in]send_frac_masksend buffer dimensions send_frac_mask[collection_size * nbr_fields] [nbr_points]
[in]src_field_buffersource field buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size * num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[in]src_frac_mask_buffersource fractional mask buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size * num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]send_inforeturned send info
[out]recv_inforeturned recv info
[out]ierrorreturned error

Definition at line 3983 of file yac.c.

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◆ yac_cexchange_raw_ptr_()

void yac_cexchange_raw_ptr_ ( int const send_field_id,
int const recv_field_id,
int const collection_size,
double ** send_field,
double ** src_field_buffer,
int * send_info,
int * recv_info,
int * ierror )

Sending of the coupling fields

Parameters
[in]send_field_id
[in]recv_field_id
[in]collection_size
[in]send_fieldsend buffer dimensions send_field[collection_size * nbr_fields] [nbr_points]
[in]src_field_buffersource field buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size * num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]send_inforeturned send info
[out]recv_inforeturned recv info
[out]ierrorreturned error

Definition at line 3913 of file yac.c.

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◆ yac_cfinalize()

void yac_cfinalize ( )

Finalises YAC.

First cleans up the default YAC instance, if it was initialised and not yet cleaned up by a call to yac_ccleanup. If there are no remaining YAC instances, MPI and yaxt will be finalised (if initialised by YAC) and instance independed memory allocated by YAC will be freed.

Definition at line 740 of file yac.c.

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◆ yac_cfinalize_instance()

void yac_cfinalize_instance ( int yac_instance_id)

Finalises YAC.

First cleans up the provided YAC instance, if it was initialised and not yet cleaned up by a call to yac_ccleanup_instance. If there are no remaining YAC instances, MPI and yaxt will be finalised (if initialised by YAC) and instance independed memory allocated by YAC will be freed.

Parameters
[in]yac_instance_idid of the YAC instance to be finalised

Definition at line 731 of file yac.c.

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◆ yac_cfree_ext_couple_config()

void yac_cfree_ext_couple_config ( int ext_couple_config_id)

Frees an extended coupling configuration

Parameters
[in]ext_couple_config_id

Definition at line 1570 of file yac.c.

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◆ yac_cfree_ext_spmap_config()

void yac_cfree_ext_spmap_config ( int ext_spmap_config_id)

Frees an extended source point mapping interpolation configuration

Parameters
[in]ext_spmap_config_id
See also
Extended configuration

Definition at line 5286 of file yac.c.

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◆ yac_cfree_interp_stack_config()

void yac_cfree_interp_stack_config ( int interp_stack_config_id)

frees a stack trace

Parameters
[in]interp_stack_config_idinterpolation stack

Definition at line 5151 of file yac.c.

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◆ yac_cfree_spmap_overwrite_config()

void yac_cfree_spmap_overwrite_config ( int spmap_overwrite_config_id)

Frees an source point mapping interpolation overwrite configuration

Parameters
[in]spmap_overwrite_config_idsource point mapping interpolation overwrite configuration
See also
Extended configuration

Definition at line 5482 of file yac.c.

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◆ yac_cget()

void yac_cget ( int const field_id,
int const collection_size,
double ** recv_field,
int * info,
int * ierror )

Receiving of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]recv_field- receive buffer dimensions: recv_field[collection_size][nbr_points]
[out]info- returned info argument indicating the action performed
[out]ierror- returned error

Definition at line 2759 of file yac.c.

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◆ yac_cget_()

void yac_cget_ ( int const field_id,
int const collection_size,
double * recv_field,
int * info,
int * ierror )

Receiving of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]recv_field- receive buffer (all data is stored in one contiguous part of the memory) dimensions: recv_field[collection_size][nbr_points]
[in]info- returned info argument indicating the action performed
[out]ierror- returned error

Definition at line 2741 of file yac.c.

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◆ yac_cget_action()

void yac_cget_action ( int field_id,
int * action )

Returns the action a put/get would return for the current timestep

Parameters
[in]field_idfield id returned by yac_cdef_field
[out]actionaction for the current timestep (YAC_ACTION_NONE, YAC_ACTION_REDUCTION, YAC_ACTION_COUPLING, YAC_ACTION_GET_FOR_RESTART, YAC_ACTION_PUT_FOR_RESTART, or YAC_ACTION_OUT_OF_BOUND)
Remarks
If the exchange type of the field is YAC_EXCHANGE_TYPE_NONE, this routine will return YAC_ACTION_NONE.
If this routine is called before yac_cenddef, the behaviour is undefined.

Definition at line 2380 of file yac.c.

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◆ yac_cget_async()

void yac_cget_async ( int const field_id,
int const collection_size,
double ** recv_field,
int * info,
int * ierror )

Receiving of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]recv_field- receive buffer dimensions: recv_field[collection_size][nbr_points]
[out]info- returned info argument indicating the action performed
[out]ierror- returned error
Remarks
This routine returns immediately without waiting for the receive operation to be completed. The user should not access the memory associated with recv_field until this is the case. This can be achieved by calling yac_cwait.

Definition at line 2768 of file yac.c.

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◆ yac_cget_async_()

void yac_cget_async_ ( int const field_id,
int const collection_size,
double * recv_field,
int * info,
int * ierror )

Receiving of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]recv_field- receive buffer (all data is stored in one contiguous part of the memory) dimensions: recv_field[collection_size][nbr_points]
[in]info- returned info argument indicating the action performed
[out]ierror- returned error
Remarks
This routine returns immediately without waiting for the receive operation to be completed. The user should not access the memory associated with recv_field until this is the case. This can be achieved by calling yac_cwait.

Definition at line 2750 of file yac.c.

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◆ yac_cget_calendar()

int yac_cget_calendar ( )

Gets the calendar of the default instance

Definition at line 786 of file yac.c.

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◆ yac_cget_collection_size_from_field_id()

int yac_cget_collection_size_from_field_id ( int field_id)

query routine to get the collection_size of a field for a given ID

Parameters
[in]field_idID as provided by yac_cdef_field
Returns
collection_size

Definition at line 4715 of file yac.c.

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◆ yac_cget_comp_comm()

void yac_cget_comp_comm ( int comp_id,
MPI_Comm * comp_comm )

Providing the component MPI communicator

Parameters
[in]comp_idlocal component ID (from yac_cdef_comp), handle to the component struct
[out]comp_commcomponent communicator

Definition at line 856 of file yac.c.

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◆ yac_cget_comp_grid_names()

void yac_cget_comp_grid_names ( const char * comp_name,
int nbr_grids,
const char ** grid_names )

query routine to get the list of grid names of a given component that are referenced by at least one defined field or have metadata assigned to it

Parameters
[in]comp_namename of the component
[in]nbr_gridsnumber of grids
[out]grid_nameslist of grid names

Definition at line 4634 of file yac.c.

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◆ yac_cget_comp_grid_names_instance()

void yac_cget_comp_grid_names_instance ( int yac_instance_id,
const char * comp_name,
int nbr_grids,
const char ** grid_names )

query routine to get the list of grid names of a given component that are referenced by at least one defined field or have metadata assigned to it

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_namename of the component
[in]nbr_gridsnumber of grids
[out]grid_nameslist of grid names

Definition at line 4592 of file yac.c.

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◆ yac_cget_comp_names()

void yac_cget_comp_names ( int nbr_comps,
const char ** comp_names )

query routine to get the list of component names for defined the default YAC instance.

Parameters
[in]nbr_compsnumber of components
[out]comp_nameslist of component names

Definition at line 4561 of file yac.c.

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◆ yac_cget_comp_names_instance()

void yac_cget_comp_names_instance ( int yac_instance_id,
int nbr_comps,
const char ** comp_names )

query routine to get the list of component names for defined

Parameters
[in]yac_instance_idid of the YAC instance
[in]nbr_compsnumber of components
[out]comp_nameslist of component names

Definition at line 4541 of file yac.c.

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◆ yac_cget_comp_nbr_grids()

int yac_cget_comp_nbr_grids ( const char * comp_name)

query routine for number of grids defined in the default YAC instance for a given components that is referenced by at least one defined field.

Parameters
[in]comp_name
Returns
number of components

Definition at line 4511 of file yac.c.

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◆ yac_cget_comp_nbr_grids_instance()

int yac_cget_comp_nbr_grids_instance ( int yac_instance_id,
const char * comp_name )

query routine for number of grids defined for a given components that is referenced by at least one defined field.

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_name
Returns
number of components

Definition at line 4488 of file yac.c.

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◆ yac_cget_component_metadata()

const char * yac_cget_component_metadata ( const char * comp_name)

Get metadata for a component

Parameters
[in]comp_name
Returns
metadata (NULL if no metadata is defined)

Definition at line 1499 of file yac.c.

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◆ yac_cget_component_metadata_instance()

const char * yac_cget_component_metadata_instance ( int yac_instance_id,
const char * comp_name )

Get metadata for a component

Parameters
[in]yac_instance_id
[in]comp_name
Returns
metadata (NULL if no metadata is defined)

Definition at line 1491 of file yac.c.

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◆ yac_cget_component_name_from_field_id()

const char * yac_cget_component_name_from_field_id ( int field_id)

query routine to get the component name for a given ID

Parameters
[in]field_idID as provided by yac_cdef_field
Returns
comp_name component name of the fields component. (array of length YAC_MAX_CHARLEN)

Definition at line 4686 of file yac.c.

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◆ yac_cget_comps_comm()

void yac_cget_comps_comm ( const char ** comp_names,
int num_comps,
MPI_Comm * comps_comm )

Generates an MPI communicator that contains all processes of the provided components

Parameters
[in]comp_namesname of components
[in]num_compsnumber of components
[out]comps_commgenerated communicator
Remarks
the components have to defined in the default YAC instance
the local process has to be in at least one of the provided components
this call is collective for all processes in the provided components

Definition at line 906 of file yac.c.

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◆ yac_cget_comps_comm_instance()

void yac_cget_comps_comm_instance ( int yac_instance_id,
const char ** comp_names,
int num_comps,
MPI_Comm * comps_comm )

Generates an MPI communicator that contains all processes of the provided components

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_namesname of components
[in]num_compsnumber of components
[out]comps_commgenerated communicator
Remarks
the local process has to be in at least one of the provided components
this call is collective for all processes in the provided components

Definition at line 896 of file yac.c.

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◆ yac_cget_default_instance_id()

int yac_cget_default_instance_id ( )

Getter function for the default instance

Returns the instance id of the default instance.

Remarks
The default instance needs to be initialised before calling this function.
Returns
The instance id of the default instance

Definition at line 467 of file yac.c.

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◆ yac_cget_end_datetime()

char * yac_cget_end_datetime ( void )

query routine for the end datetime of the job of the default YAC instance

Definition at line 815 of file yac.c.

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◆ yac_cget_end_datetime_instance()

char * yac_cget_end_datetime_instance ( int yac_instance_id)

query routine for the end datetime of the job

Parameters
[in]yac_instance_idid of the YAC instance

Definition at line 808 of file yac.c.

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◆ yac_cget_ext_couple_config()

void yac_cget_ext_couple_config ( int * ext_couple_config_id)

Get an extended coupling configuration (all parameters are set to the default values)

Parameters
[out]ext_couple_config_idextended coupling configuration

Definition at line 1549 of file yac.c.

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◆ yac_cget_ext_couple_config_collection_selection()

void yac_cget_ext_couple_config_collection_selection ( int ext_couple_config_id,
int * collection_size,
int ** collection_indices )

Gets the collection selection

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]collection_sizenumber of selected collections
[out]collection_indicespointer to array of selected collection indices (may be NULL if contiguous)
Remarks
If collection_indices is NULL, the selection is the contiguous range [0, collection_size-1].
The returned array is managed internally and must not be freed or modified by the caller.
The caller is responsible for freeing the memory pointed to by collection_indices.

Definition at line 1839 of file yac.c.

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◆ yac_cget_ext_couple_config_mapping_side()

void yac_cget_ext_couple_config_mapping_side ( int ext_couple_config_id,
int * mapping_side )

Gets the mapping side

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]mapping_sidemapping side

Definition at line 1649 of file yac.c.

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◆ yac_cget_ext_couple_config_scale_factor()

void yac_cget_ext_couple_config_scale_factor ( int ext_couple_config_id,
double * scale_factor )

Gets the scale factor

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]scale_factorscale_factor

Definition at line 1672 of file yac.c.

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◆ yac_cget_ext_couple_config_scale_summand()

void yac_cget_ext_couple_config_scale_summand ( int ext_couple_config_id,
double * scale_summand )

Gets the scale summand

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]scale_summandscale_summand

Definition at line 1695 of file yac.c.

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◆ yac_cget_ext_couple_config_src_mask_names()

void yac_cget_ext_couple_config_src_mask_names ( int ext_couple_config_id,
size_t * num_src_mask_names,
char const *const ** src_mask_names )

Gets source mask names

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]num_src_mask_namesnumber of source mask names
[out]src_mask_namessource mask names

Definition at line 1726 of file yac.c.

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◆ yac_cget_ext_couple_config_tgt_mask_name()

void yac_cget_ext_couple_config_tgt_mask_name ( int ext_couple_config_id,
char const ** tgt_mask_name )

Gets target mask name

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]tgt_mask_nametarget mask name

Definition at line 1750 of file yac.c.

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◆ yac_cget_ext_couple_config_use_raw_exchange()

void yac_cget_ext_couple_config_use_raw_exchange ( int ext_couple_config_id,
int * use_raw_exchange )

Gets use of raw exchange

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]use_raw_exchangeuse raw exchange

Definition at line 1792 of file yac.c.

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◆ yac_cget_ext_couple_config_weight_file()

void yac_cget_ext_couple_config_weight_file ( int ext_couple_config_id,
char const ** weight_file )

Gets the weight file name

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]weight_filename of the weight file, if it is set; NULL otherwise

Definition at line 1592 of file yac.c.

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◆ yac_cget_ext_couple_config_weight_file_on_existing()

void yac_cget_ext_couple_config_weight_file_on_existing ( int ext_couple_config_id,
int * weight_file_on_existing )

Gets how already existing weight files are handled

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]weight_file_on_existinghandling of existing weight files

Definition at line 1623 of file yac.c.

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◆ yac_cget_ext_couple_config_yaxt_exchanger_name()

void yac_cget_ext_couple_config_yaxt_exchanger_name ( int ext_couple_config_id,
char const ** yaxt_exchanger_name )

Gets yaxt exchanger name

Parameters
[in]ext_couple_config_idextended coupling configuration
[out]yaxt_exchanger_nameyaxt exchanger name

Definition at line 1772 of file yac.c.

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◆ yac_cget_ext_spmap_config()

void yac_cget_ext_spmap_config ( int * ext_spmap_config_id)

Get an extended source point mapping interpolation configuration

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
See also
Extended configuration

Definition at line 5260 of file yac.c.

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◆ yac_cget_field_collection_size()

int yac_cget_field_collection_size ( const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the collection_size of a field

Parameters
[in]comp_name
[in]grid_name
[in]field_name
Returns
collection_size

Definition at line 4779 of file yac.c.

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◆ yac_cget_field_collection_size_instance()

int yac_cget_field_collection_size_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the collection_size of a field

Parameters
[in]yac_instance_id
[in]comp_name
[in]grid_name
[in]field_name
Returns
collection_size

Definition at line 4761 of file yac.c.

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◆ yac_cget_field_datetime()

const char * yac_cget_field_datetime ( int field_id)

Returns the current datetime of the field

Parameters
[in]field_id
Returns
current datetime of the field

Definition at line 2423 of file yac.c.

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◆ yac_cget_field_frac_mask_fallback_value()

double yac_cget_field_frac_mask_fallback_value ( const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the fractional mask fallback value of a field

Parameters
[in]comp_name
[in]grid_name
[in]field_name
Returns
frac_mask_fallback_value
Remarks
if YAC_FRAC_MASK_NO_VALUE is returned, then no fractional mask fallback value is defined for this field

Definition at line 4771 of file yac.c.

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◆ yac_cget_field_frac_mask_fallback_value_instance()

double yac_cget_field_frac_mask_fallback_value_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the fractional mask fallback value of a field

Parameters
[in]yac_instance_id
[in]comp_name
[in]grid_name
[in]field_name
Returns
frac_mask_fallback_value
Remarks
if YAC_FRAC_MASK_NO_VALUE is returned, then no fractional mask fallback value is defined for this field

Definition at line 4750 of file yac.c.

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◆ yac_cget_field_id()

int yac_cget_field_id ( const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the field_id from component, grid and field name (if defined on this process)

Parameters
[in]comp_namecomponent name
[in]grid_namegrid name
[in]field_namefield name
Returns
field_id

Definition at line 4456 of file yac.c.

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◆ yac_cget_field_id_instance()

int yac_cget_field_id_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the field_id from component, grid and field name (if defined on this process)

Parameters
[in]yac_instance_id
[in]comp_namecomponent name
[in]grid_namegrid name
[in]field_namefield name
Returns
field_id

Definition at line 4443 of file yac.c.

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◆ yac_cget_field_is_defined()

int yac_cget_field_is_defined ( const char * comp_name,
const char * grid_name,
const char * field_name )

determines whether a field with the provided component, grid, and field name is defined on the local process

Parameters
[in]comp_namecomponent name
[in]grid_namegrid name
[in]field_namefield name
Returns
!= 0, if the local process has defined a field with the provided component, grid, and field name
0, otherwise

Definition at line 4435 of file yac.c.

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◆ yac_cget_field_is_defined_instance()

int yac_cget_field_is_defined_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name )

determines whether a field with the provided component, grid, and field name is defined on the local process

Parameters
[in]yac_instance_id
[in]comp_namecomponent name
[in]grid_namegrid name
[in]field_namefield name
Returns
!= 0, if the local process has defined a field with the provided component, grid, and field name
0, otherwise

Definition at line 4426 of file yac.c.

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◆ yac_cget_field_metadata()

const char * yac_cget_field_metadata ( const char * comp_name,
const char * grid_name,
const char * field_name )

Get metadata for a field

Parameters
[in]comp_name
[in]grid_name
[in]field_name
Returns
metadata (NULL if no metadata is defined)

Definition at line 1526 of file yac.c.

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◆ yac_cget_field_metadata_instance()

const char * yac_cget_field_metadata_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name )

Get metadata for a field

Parameters
[in]yac_instance_id
[in]comp_name
[in]grid_name
[in]field_name
Returns
metadata (NULL if no metadata is defined)

Definition at line 1517 of file yac.c.

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◆ yac_cget_field_name_from_field_id()

const char * yac_cget_field_name_from_field_id ( int field_id)

query routine to get the field name for a given ID

Parameters
[in]field_idID as provided by yac_cdef_field
Returns
field_name field name that has been given to yac_cdef_field. (array of length YAC_MAX_CHARLEN)

Definition at line 4701 of file yac.c.

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◆ yac_cget_field_names()

void yac_cget_field_names ( const char * comp_name,
const char * grid_name,
int nbr_fields,
const char ** field_names )

query routine to get the list of field names defined on the given component and grid for the default YAC instance.

Parameters
[in]comp_namecomponent name
[in]grid_namegrid name
[in]nbr_fieldsnumber of fields
[out]field_nameslist of field names

Definition at line 4679 of file yac.c.

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◆ yac_cget_field_names_instance()

void yac_cget_field_names_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
int nbr_fields,
const char ** field_names )

query routine to get the list of field names on the given component and grid

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_namecomponent name
[in]grid_namegrid name
[in]nbr_fieldsnumber of fields
[out]field_nameslist of grid names

Definition at line 4640 of file yac.c.

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◆ yac_cget_field_role()

int yac_cget_field_role ( const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the role of a field for a given ID

Parameters
[in]comp_name
[in]grid_name
[in]field_name
Returns
role exchange type of the field
(YAC_EXCHANGE_TYPE_NONE, YAC_EXCHANGE_TYPE_SOURCE, or YAC_EXCHANGE_TYPE_TARGET)
Remarks
the role is set by the call to yac_cenddef or yac_cenddef_instance

Definition at line 4797 of file yac.c.

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◆ yac_cget_field_role_instance()

int yac_cget_field_role_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the role of a field for a given ID

Parameters
[in]yac_instance_id
[in]comp_name
[in]grid_name
[in]field_name
Returns
role exchange type of the field
(YAC_EXCHANGE_TYPE_NONE, YAC_EXCHANGE_TYPE_SOURCE, or YAC_EXCHANGE_TYPE_TARGET)
Remarks
the role is set by the call to yac_cenddef or yac_cenddef_instance

Definition at line 4786 of file yac.c.

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◆ yac_cget_field_source()

void yac_cget_field_source ( const char * tgt_comp_name,
const char * tgt_grid_name,
const char * tgt_field_name,
const char ** src_comp_name,
const char ** src_grid_name,
const char ** src_field_name )

query routine to get the source field for a given target field

Parameters
[in]tgt_comp_name
[in]tgt_grid_name
[in]tgt_field_name
[out]src_comp_name
[out]src_grid_name
[out]src_field_name

Definition at line 4818 of file yac.c.

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◆ yac_cget_field_source_instance()

void yac_cget_field_source_instance ( int yac_instance_id,
const char * tgt_comp_name,
const char * tgt_grid_name,
const char * tgt_field_name,
const char ** src_comp_name,
const char ** src_grid_name,
const char ** src_field_name )

query routine to get the source field for a given target field

Parameters
[in]yac_instance_id
[in]tgt_comp_name
[in]tgt_grid_name
[in]tgt_field_name
[out]src_comp_name
[out]src_grid_name
[out]src_field_name

Definition at line 4804 of file yac.c.

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◆ yac_cget_field_timestep()

const char * yac_cget_field_timestep ( const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the timestep of a field

Parameters
[in]comp_name
[in]grid_name
[in]field_name
Returns
timestep timestep that has been given to yac_cdef_field iso8601 string (array of length YAC_MAX_CHARLEN)

Definition at line 4743 of file yac.c.

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◆ yac_cget_field_timestep_instance()

const char * yac_cget_field_timestep_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name,
const char * field_name )

query routine to get the timestep of a field

Parameters
[in]yac_instance_id
[in]comp_name
[in]grid_name
[in]field_name
Returns
timestep timestep that has been given to yac_cdef_field iso8601 string (array of length YAC_MAX_CHARLEN)

Definition at line 4731 of file yac.c.

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◆ yac_cget_grid_metadata()

const char * yac_cget_grid_metadata ( const char * grid_name)

Get metadata for a grid

Parameters
[in]grid_name
Returns
metadata (NULL if no metadata is defined)

Definition at line 1512 of file yac.c.

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◆ yac_cget_grid_metadata_instance()

const char * yac_cget_grid_metadata_instance ( int yac_instance_id,
const char * grid_name )

Get metadata for a grid

Parameters
[in]yac_instance_id
[in]grid_name
Returns
metadata (NULL if no metadata is defined)

Definition at line 1504 of file yac.c.

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◆ yac_cget_grid_name_from_field_id()

const char * yac_cget_grid_name_from_field_id ( int field_id)

query routine to get the grid name for a given ID

Parameters
[in]field_idID as provided by yac_cdef_field
Returns
grid_name grid name of the fields grid. (array of length YAC_MAX_CHARLEN)

Definition at line 4693 of file yac.c.

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◆ yac_cget_grid_names()

void yac_cget_grid_names ( int nbr_grids,
const char ** grid_names )

query routine to get the list of grid names of the default YAC instance that are referenced by at least one defined field or have metadata assigned to it

Parameters
[in]nbr_gridsnumber of grids
[out]grid_nameslist of grid names

Definition at line 4587 of file yac.c.

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◆ yac_cget_grid_names_instance()

void yac_cget_grid_names_instance ( int yac_instance_id,
int nbr_grids,
const char ** grid_names )

query routine to get the list of grid names that are referenced by at least one defined field or have metadata assigned to it

Parameters
[in]yac_instance_idid of the YAC instance
[in]nbr_gridsnumber of grids
[out]grid_nameslist of grid names

Definition at line 4567 of file yac.c.

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◆ yac_cget_grid_size()

size_t yac_cget_grid_size ( int location,
int grid_id )

query routine to get the number of points in a grid

Parameters
[in]location
[in]grid_id

Definition at line 5105 of file yac.c.

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◆ yac_cget_groupcomm()

void yac_cget_groupcomm ( MPI_Comm * group_comm)

Providing a group communicator for the default YAC instance

Parameters
[out]group_commcommunicator containing all processes that passed the same group name to the init-routine or MPI_COMM_NULL if not group name was provided.

◆ yac_cget_groupcomm_instance()

void yac_cget_groupcomm_instance ( int yac_instance_id,
MPI_Comm * group_comm )

Providing a group communicator

Parameters
[in]yac_instance_idid of the YAC instance
[out]group_commcommunicator containing all processes that passed the same group name to the init-routine or MPI_COMM_NULL if not group name was provided.

◆ yac_cget_interp_stack_config()

void yac_cget_interp_stack_config ( int * interp_stack_config_id)

gets an empty stack trace

Parameters
[out]interp_stack_config_idinterpolation stack

Definition at line 5137 of file yac.c.

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◆ yac_cget_interp_stack_config_from_string_json()

void yac_cget_interp_stack_config_from_string_json ( char const * interp_stack_config,
int * interp_stack_config_id )

generate an interpolation stack from a "0" terminated string that contains a JSON formated description of the stack

Parameters
[in]interp_stack_configinterpolation stack description
[out]interp_stack_config_idinterpolation stack

Definition at line 5905 of file yac.c.

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◆ yac_cget_interp_stack_config_from_string_yaml()

void yac_cget_interp_stack_config_from_string_yaml ( char const * interp_stack_config,
int * interp_stack_config_id )

generate an interpolation stack from a "0" terminated string that contains a YAML formated description of the stack

Parameters
[in]interp_stack_configinterpolation stack description
[out]interp_stack_config_idinterpolation stack

Definition at line 5897 of file yac.c.

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◆ yac_cget_mpi_handshake_group_name()

const char * yac_cget_mpi_handshake_group_name ( void )

Retrieve the MPI handshake group name used by YAC.

This function returns (via an output pointer) mpi_handshake_group_name.

Returns
name of the MPI group used by YAC in MPI handshake.
Note
Returns a null-terminated string containing the group name. The string is managed internally and must not be modified or freed.

Definition at line 832 of file yac.c.

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◆ yac_cget_nbr_comps()

int yac_cget_nbr_comps ( void )

query routine for number of components defined in the default YAC instance

Returns
number of components

Definition at line 4470 of file yac.c.

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◆ yac_cget_nbr_comps_instance()

int yac_cget_nbr_comps_instance ( int yac_instance_id)

query routine for number of components

Parameters
[in]yac_instance_idid of the YAC instance
Returns
number of components

Definition at line 4464 of file yac.c.

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◆ yac_cget_nbr_fields()

int yac_cget_nbr_fields ( const char * comp_name,
const char * grid_name )

query routine for number of coupling fields defined in the given component and grids of the default YAC instance

Parameters
[in]comp_namename of the component
[in]grid_namename of the grid
Returns
number of fields defined on the calling process

Definition at line 4536 of file yac.c.

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◆ yac_cget_nbr_fields_instance()

int yac_cget_nbr_fields_instance ( int yac_instance_id,
const char * comp_name,
const char * grid_name )

query routine for number of coupling fields defined in the given component and grids

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_namename of the component
[in]grid_namename of the grid
Returns
number of fields defined on the calling process

Definition at line 4516 of file yac.c.

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◆ yac_cget_nbr_grids()

int yac_cget_nbr_grids ( )

query routine for number of grids defined in the default YAC instance that are referenced by at least one defined field or have metadata assigned to it

Returns
number of fields defined on the calling process

Definition at line 4483 of file yac.c.

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◆ yac_cget_nbr_grids_instance()

int yac_cget_nbr_grids_instance ( int yac_instance_id)

query routine for number of grids that are referenced by at least one defined field or have metadata assigned to it

Parameters
[in]yac_instance_idid of the YAC instance
Returns
number of fields defined on the calling process

Definition at line 4475 of file yac.c.

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◆ yac_cget_points_size()

size_t yac_cget_points_size ( int points_id)

query routine to get the number of points in a pointset

Parameters
[in]points_id

Definition at line 5125 of file yac.c.

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◆ yac_cget_raw()

void yac_cget_raw ( int const field_id,
int const collection_size,
double *** src_field_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error

Definition at line 2963 of file yac.c.

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◆ yac_cget_raw_()

void yac_cget_raw_ ( int const field_id,
int const collection_size,
double * src_field_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error

Definition at line 2850 of file yac.c.

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◆ yac_cget_raw_async()

void yac_cget_raw_async ( int const field_id,
int const collection_size,
double *** src_field_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error
Remarks
This routine returns immediately without waiting for the receive operation to be completed. The user should not access the memory associated with recv_field until this is the case. This can be achieved by calling yac_cwait.

Definition at line 2976 of file yac.c.

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◆ yac_cget_raw_async_()

void yac_cget_raw_async_ ( int const field_id,
int const collection_size,
double * src_field_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size * SUM(src_field_buffer_sizes)])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error
Remarks
This routine returns immediately without waiting for the receive operation to be completed. The user should not access the memory associated with recv_field until this is the case. This can be achieved by calling yac_cwait.

Definition at line 2907 of file yac.c.

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◆ yac_cget_raw_frac()

void yac_cget_raw_frac ( int const field_id,
int const collection_size,
double *** src_field_buffer,
double *** src_frac_mask_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[in]src_frac_mask_buffersource fractional mask buffer (dimensions: src_frac_mask_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error
Remarks
source field values in the src_field_buffer have already been weighted, by the fractional mask

Definition at line 2990 of file yac.c.

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◆ yac_cget_raw_frac_()

void yac_cget_raw_frac_ ( int const field_id,
int const collection_size,
double * src_field_buffer,
double * src_frac_mask_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[in]src_frac_mask_buffersource fractional mask buffer (all data is stored in one contiguous part of the memory) (dimensions: src_frac_mask_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error
Remarks
source field values in the src_field_buffer have already been weighted, by the fractional mask

Definition at line 2862 of file yac.c.

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◆ yac_cget_raw_frac_async()

void yac_cget_raw_frac_async ( int const field_id,
int const collection_size,
double *** src_field_buffer,
double *** src_frac_mask_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[in]src_frac_mask_buffersource fractional mask buffer (dimensions: src_frac_mask_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error
Remarks
source field values in the src_field_buffer have already been weighted, by the fractional mask
This routine returns immediately without waiting for the receive operation to be completed. The user should not access the memory associated with recv_field until this is the case. This can be achieved by calling yac_cwait.

Definition at line 3008 of file yac.c.

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◆ yac_cget_raw_frac_async_()

void yac_cget_raw_frac_async_ ( int const field_id,
int const collection_size,
double * src_field_buffer,
double * src_frac_mask_buffer,
int * info,
int * ierror )

Receiving source points required for the interpolation of the local target field

Parameters
[in]field_id
[in]collection_size
[in]src_field_buffersource field buffer (all data is stored in one contiguous part of the memory) (dimensions: src_field_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[in]src_frac_mask_buffersource fractional mask buffer (all data is stored in one contiguous part of the memory) (dimensions: src_frac_mask_buffer [collection_size] [num_src_fields] [src_field_buffer_sizes[src_field_idx]])
[out]inforeturned info argument indicating the action performed
[out]ierrorreturned error
Remarks
source field values in the src_field_buffer have already been weighted, by the fractional mask
This routine returns immediately without waiting for the receive operation to be completed. The user should not access the memory associated with recv_field until this is the case. This can be achieved by calling yac_cwait.

Definition at line 2919 of file yac.c.

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◆ yac_cget_raw_interp_weights_data()

void yac_cget_raw_interp_weights_data ( int const field_id,
double * frac_mask_fallback_value,
double * scaling_factor,
double * scaling_summand,
size_t * num_fixed_values,
double ** fixed_values,
size_t ** num_tgt_per_fixed_value,
size_t ** tgt_idx_fixed,
size_t * num_wgt_tgt,
size_t ** wgt_tgt_idx,
size_t ** num_src_per_tgt,
double ** weights,
size_t ** src_field_idx,
size_t ** src_idx,
size_t * num_src_fields,
size_t ** src_field_buffer_sizes )

Get interpolation information for raw data exchange

Parameters
[in]field_id
[out]frac_mask_fallback_valuefractional masking fallback value
[out]scaling_factorscaling factor
[out]scaling_summandscaling summand
[out]num_fixed_valuesnumber of fixed values
[out]fixed_valuesarray of fixed values
[out]num_tgt_per_fixed_valuenumber of target points per fixed value
[out]tgt_idx_fixedlocal target point indices that receive a fixed value
[out]num_wgt_tgtnumber of target points receiving a weighted sum of source points
[out]wgt_tgt_idxlocal target point indices that receive weighted sum of source points
[out]num_src_per_tgtnumber of source points per target point
[out]weightsweights
[out]src_field_idxsource field indices
[out]src_idxsource field buffer indices
[out]num_src_fieldsnumber of source fields
[out]src_field_buffer_sizesbuffer sizes of source field buffers
Remarks
If a coupling is configured for raw data exchange, target processes can extract once all information required to execute the interpolation by hand.
The user is responsible for freeing the memory associated with returned arrays.

Definition at line 2193 of file yac.c.

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◆ yac_cget_raw_interp_weights_data_csr()

void yac_cget_raw_interp_weights_data_csr ( int const field_id,
double * frac_mask_fallback_value,
double * scaling_factor,
double * scaling_summand,
size_t * num_fixed_values,
double ** fixed_values,
size_t ** num_tgt_per_fixed_value,
size_t ** tgt_idx_fixed,
size_t ** src_indptr,
double ** weights,
size_t ** src_field_idx,
size_t ** src_idx,
size_t * num_src_fields,
size_t ** src_field_buffer_sizes )

Get interpolation information for raw data exchange (weight matrix is stored as a sparse matrix using CSR format)

Parameters
[in]field_id
[out]frac_mask_fallback_valuefractional masking fallback value
[out]scaling_factorscaling factor
[out]scaling_summandscaling summand
[out]num_fixed_valuesnumber of fixed values
[out]fixed_valuesarray of fixed values
[out]num_tgt_per_fixed_valuenumber of target points per fixed value
[out]tgt_idx_fixedlocal target point indices that receive a fixed value
[out]src_indptroffset to weights/src_idx/src_field_idx for each local target point
[out]weightsweights
[out]src_field_idxsource field indices
[out]src_idxsource field buffer indices
[out]num_src_fieldsnumber of source fields
[out]src_field_buffer_sizesbuffer sizes of source field buffers
Remarks
If a coupling is configured for raw data exchange, target processes can extract once all information required to execute the interpolation by hand.
The user is responsible for freeing the memory associated with returned arrays.
Number of weights per target is computed by "src_indptr[tgt_idx+1] - src_indptr[tgt_idx]".

Definition at line 2233 of file yac.c.

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◆ yac_cget_role_from_field_id()

int yac_cget_role_from_field_id ( int field_id)

query routine to get the role of a field for a given ID

Parameters
[in]field_idID as provided by yac_cdef_field
Returns
role exchange type of the field
(YAC_EXCHANGE_TYPE_NONE, YAC_EXCHANGE_TYPE_SOURCE, or YAC_EXCHANGE_TYPE_TARGET)
Remarks
the role is set by the call to yac_cenddef or yac_cenddef_instance

Definition at line 4722 of file yac.c.

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◆ yac_cget_spmap_overwrite_config()

void yac_cget_spmap_overwrite_config ( int * spmap_overwrite_config_id)

Get an source point mapping interpolation overwrite configuration

Parameters
[out]spmap_overwrite_config_idsource point mapping interpolation overwrite configuration
See also
Extended configuration

Definition at line 5464 of file yac.c.

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◆ yac_cget_start_datetime()

char * yac_cget_start_datetime ( void )

query routine for the start datetime of the job of the default YAC instance

Definition at line 800 of file yac.c.

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◆ yac_cget_start_datetime_instance()

char * yac_cget_start_datetime_instance ( int yac_instance_id)

query routine for the start datetime of the job

Parameters
[in]yac_instance_idid of the YAC instance

Definition at line 793 of file yac.c.

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◆ yac_cget_timestep_from_field_id()

const char * yac_cget_timestep_from_field_id ( int field_id)

query routine to get the timestep of a field for a given ID

Parameters
[in]field_idID as provided by yac_cdef_field
Returns
timestep timestep that has been given to yac_cdef_field iso8601 string. (array of length YAC_MAX_CHARLEN)

Definition at line 4708 of file yac.c.

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◆ yac_cget_version()

char * yac_cget_version ( void )

query routine for the YAC version

Definition at line 826 of file yac.c.

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◆ yac_cinit()

void yac_cinit ( void )

Elementary initialisation of the whole system

Remarks
This call initialises the default YAC instance.
A call to yac_ccleanup or yac_cfinalize is required to free all memory associated with the default YAC instance.
This call executes an MPI handshake (MPI handshake algorithm) on MPI_COMM_WORLD with the group name mpi_handshake_group_name and uses the created communicator for the initialization. If you do not want to execute an MPI Handshake on MPI_COMM_WORLD, call yac_cinit_comm with MPI_COMM_WORLD directly.

Definition at line 510 of file yac.c.

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◆ yac_cinit_comm()

void yac_cinit_comm ( MPI_Comm comm)

Elementary initialisation of the whole system using a user-provided MPI communicator

Parameters
[in]commMPI communicator
Remarks
This call initialises the default YAC instance.
A call to yac_ccleanup or yac_cfinalize is required to free all memory associated with the default YAC instance.
the MPI communicator provided to this routine has to contain all processes that will take part in the coupling
this call is collective for all processes in comm

Definition at line 484 of file yac.c.

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◆ yac_cinit_comm_dummy()

void yac_cinit_comm_dummy ( MPI_Comm comm)

Dummy initialisation of the whole system using a user-provided MPI world communicator

Parameters
[in]commMPI communicator
Remarks
This routine can be called instead of yac_cinit_comm or yac_cinit_comm_instance, if the local process does not wish to initialise a YAC instance.

Definition at line 520 of file yac.c.

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◆ yac_cinit_comm_instance()

void yac_cinit_comm_instance ( MPI_Comm comm,
int * yac_instance_id )

Elementary initialisation of the whole system using a user-provided MPI communicator

Parameters
[in]commMPI communicator
[out]yac_instance_idid of the YAC instance initialised by this call
Remarks
This call initialises a YAC instance.
A call to yac_ccleanup_instance or yac_cfinalize_instance is required to free all memory associated with this YAC instance.
In case the user has multiple YAC instances in parallel, he has to initialise yaxt himself.

Definition at line 472 of file yac.c.

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◆ yac_cinit_dummy()

void yac_cinit_dummy ( void )

Dummy for initialisation of the whole system

Remarks
This routine can be called instead of yac_cinit or yac_cinit_instance, if the local process does not wish to initialise a YAC instance.

Definition at line 537 of file yac.c.

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◆ yac_cinit_instance()

void yac_cinit_instance ( int * yac_instance_id)

Elementary initialisation of the whole system

Parameters
[out]yac_instance_idid of the YAC instance initialised by this call
Remarks
This call initialises a YAC instance.
A call to yac_ccleanup_instance or yac_cfinalize_instance is required to free all memory associated with this YAC instance.
This call executes an MPI handshake (MPI handshake algorithm) on MPI_COMM_WORLD with the group name mpi_handshake_group_name and uses the created communicator for the initialization. If you do not want to execute an MPI Handshake on MPI_COMM_WORLD, call yac_cinit_comm with MPI_COMM_WORLD directly.

Definition at line 498 of file yac.c.

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◆ yac_cmpi_handshake()

void yac_cmpi_handshake ( MPI_Comm comm,
size_t n,
char const ** group_names,
MPI_Comm * group_comms )

MPI Handshake (MPI handshake algorithm)

Splits the provided communicator into group communicators. Each group communicator contains all processes of the provided communicator that provided the same group name. The order of the group names can be arbitrary on each process. A process can be part of multiple groups.

Parameters
[in]commMPI communicator
[in]nnumber of group communicators to be generated
[in]group_namesgroup names
[out]group_commsgroup communicators
Remarks
This call is collective for processes in comm.
yac_cinit will call this routine for MPI_COMM_WORLD and use a fixed mpi_handshake_group_name to build its internal communicator.
If a process does not wish to use YAC but is part of a communicator (e.g. MPI_COMM_WORLD) that is used by other processes that actually do use YAC, this routine can be called, while not providing mpi_handshake_group_name. This will exclude a process from later collective YAC-calls.
yac_cget_mpi_handshake_group_name allows to query the mpi_handshake_group_name internally used by YAC.

Definition at line 434 of file yac.c.

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◆ yac_cpredef_comp()

void yac_cpredef_comp ( char const * comp_name,
int * comp_id )

Non-blocking pre-definition of a component for the default YAC instance.

Parameters
[in]comp_namename of the component
[out]comp_idcomponent Id
Remarks
this call does not finish the component definition phase. I.e. the component communicators are not set up after this call.

Definition at line 969 of file yac.c.

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◆ yac_cpredef_comp_instance()

void yac_cpredef_comp_instance ( int yac_instance_id,
char const * comp_name,
int * comp_id )

Non-blocking pre-definition of a component.

Parameters
[in]yac_instance_idid of the YAC instance
[in]comp_namename of the component
[out]comp_idcomponent Id
Remarks
this call does not finish the component definition phase. I.e. the component communicators are not set up after this call.

Definition at line 936 of file yac.c.

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◆ yac_cput()

void yac_cput ( int const field_id,
int const collection_size,
double ***const send_field,
int * info,
int * ierror )

Sending of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]send_field- send buffer dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[out]info- returned info
[out]ierror- returned error

Definition at line 3721 of file yac.c.

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◆ yac_cput_()

void yac_cput_ ( int const field_id,
int const collection_size,
double * send_field,
int * info,
int * ierror )

Sending of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]send_field- send buffer (all data is stored in one contiguous part of the memory) dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[out]info- returned info
[out]ierror- returned error

Definition at line 3063 of file yac.c.

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◆ yac_cput_frac()

void yac_cput_frac ( int const field_id,
int const collection_size,
double ***const send_field,
double ***const send_frac_mask,
int * info,
int * ierror )

Sending of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]send_field- send buffer dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]send_frac_mask- send fractional mask dimensions send_frac_mask[collection_size] [nbr_fields] [nbr_points]
[out]info- returned info
[out]ierror- returned error

Definition at line 3598 of file yac.c.

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◆ yac_cput_frac_()

void yac_cput_frac_ ( int const field_id,
int const collection_size,
double * send_field,
double * send_frac_mask,
int * info,
int * ierror )

Sending of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]send_field- send buffer (all data is stored in one contiguous part of the memory) dimensions send_field[collection_size] [nbr_fields] [nbr_points]
[in]send_frac_mask- send fractional mask (all data is stored in one contiguous part of the memory) dimensions send_frac_mask[collection_size] [nbr_fields] [nbr_points]
[out]info- returned info
[out]ierror- returned error

Definition at line 3083 of file yac.c.

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◆ yac_cput_frac_ptr_()

void yac_cput_frac_ptr_ ( int const field_id,
int const collection_size,
double ** send_field,
double ** send_frac_mask,
int * info,
int * ierror )

Sending of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]send_field- send buffer dimensions send_field[collection_size * nbr_fields] [nbr_points]
[in]send_frac_mask- send fractional mask dimensions send_frac_mask[collection_size * nbr_fields] [nbr_points]
[out]info- returned info
[out]ierror- returned error

Definition at line 3178 of file yac.c.

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◆ yac_cput_ptr_()

void yac_cput_ptr_ ( int const field_id,
int const collection_size,
double ** send_field,
int * info,
int * ierror )

Sending of the coupling fields

Parameters
[in]field_id-
[in]collection_size-
[in]send_field- send buffer dimensions send_field[collection_size * nbr_fields] [nbr_points]
[out]info- returned info
[out]ierror- returned error

Definition at line 3157 of file yac.c.

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◆ yac_cread_config_json()

void yac_cread_config_json ( const char * json_file)

Function for reading configuration from JSON configuration file

Parameters
[in]json_fileJSON configuration file

Definition at line 609 of file yac.c.

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◆ yac_cread_config_json_instance()

void yac_cread_config_json_instance ( int yac_instance_id,
const char * json_file )

Function for reading configuration from JSON configuration file for a specific YAC instance

Parameters
[in]yac_instance_idYAC instance id
[in]json_fileJSON configuration file

Definition at line 600 of file yac.c.

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◆ yac_cread_config_yaml()

void yac_cread_config_yaml ( const char * yaml_file)

Function for reading configuration from YAML configuration file

Parameters
[in]yaml_fileYAML configuration file

Definition at line 595 of file yac.c.

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◆ yac_cread_config_yaml_instance()

void yac_cread_config_yaml_instance ( int yac_instance_id,
const char * yaml_file )

Function for reading configuration from YAML configuration file for a specific YAC instance

Parameters
[in]yac_instance_idYAC instance id
[in]yaml_fileYAML configuration file

Definition at line 586 of file yac.c.

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◆ yac_cset_config_output_file()

void yac_cset_config_output_file ( const char * filename,
int fileformat,
int sync_location,
int include_definitions )

Activates writing out of the coupling configuration

Parameters
[in]filenamename of the file to be written
[in]fileformatfile format (YAC_CONFIG_OUTPUT_FORMAT_YAML or YAC_CONFIG_OUTPUT_FORMAT_JSON)
[in]sync_locationsynchronisation point after which the file is to be written (YAC_CONFIG_OUTPUT_SYNC_LOC_DEF_COMP, YAC_CONFIG_OUTPUT_SYNC_LOC_SYNC_DEF, or YAC_CONFIG_OUTPUT_SYNC_LOC_ENDDEF)
[in]include_definitionsinclude user definitions (components, grids, and fields)

Definition at line 647 of file yac.c.

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◆ yac_cset_config_output_file_instance()

void yac_cset_config_output_file_instance ( int yac_instance_id,
const char * filename,
int fileformat,
int sync_location,
int include_definitions )

Activates writing out of the coupling configuration

Parameters
[in]yac_instance_idYAC instance_id
[in]filenamename of the file to be written
[in]fileformatfile format (YAC_CONFIG_OUTPUT_FORMAT_YAML or YAC_CONFIG_OUTPUT_FORMAT_JSON)
[in]sync_locationsynchronisation point after which the file is to be written (YAC_CONFIG_OUTPUT_SYNC_LOC_DEF_COMP, YAC_CONFIG_OUTPUT_SYNC_LOC_SYNC_DEF, or YAC_CONFIG_OUTPUT_SYNC_LOC_ENDDEF)
[in]include_definitionsinclude user definitions (components, grids, and fields)

Definition at line 616 of file yac.c.

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◆ yac_cset_core_mask()

void yac_cset_core_mask ( int const * is_core,
int location,
int grid_id )

Set core mask for a grid

Parameters
[in]is_core0 for cells/vertices/edges that are halos, 1 for cells/vertices/edges that are core
[in]locationcell/vertex/edge
[in]grid_idgrid id
Remarks
cells/vertices/edges who are halos are not used or set in a put or get operation
core mask values are to be provided in the local order of their respective cells/vertices/edges

Definition at line 5065 of file yac.c.

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◆ yac_cset_ext_couple_config_collection_selection()

void yac_cset_ext_couple_config_collection_selection ( int ext_couple_config_id,
int collection_size,
int const * collection_indices )

Sets the collection selection

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]collection_sizenumber of selected collections
[in]collection_indicesarray of selected collection indices (may be NULL if indices are contiguous)
Remarks
If collection_indices is NULL, the selection is assumed to be the contiguous range [0, collection_size-1].

Definition at line 1831 of file yac.c.

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◆ yac_cset_ext_couple_config_mapping_side()

void yac_cset_ext_couple_config_mapping_side ( int ext_couple_config_id,
int mapping_side )

Sets the mapping side

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]mapping_sidemapping side
Remarks
Valid values are: source = 1 and target = 0

Definition at line 1642 of file yac.c.

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◆ yac_cset_ext_couple_config_scale_factor()

void yac_cset_ext_couple_config_scale_factor ( int ext_couple_config_id,
double scale_factor )

Sets the scale factor

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]scale_factorscale factor

Definition at line 1665 of file yac.c.

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◆ yac_cset_ext_couple_config_scale_summand()

void yac_cset_ext_couple_config_scale_summand ( int ext_couple_config_id,
double scale_summand )

Sets the scale summand

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]scale_summandscale summand

Definition at line 1688 of file yac.c.

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◆ yac_cset_ext_couple_config_src_mask_names()

void yac_cset_ext_couple_config_src_mask_names ( int ext_couple_config_id,
size_t num_src_mask_names,
char const *const * src_mask_names )

Sets source mask names

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]num_src_mask_namesnumber of source mask names
[in]src_mask_namessource mask names

Definition at line 1718 of file yac.c.

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◆ yac_cset_ext_couple_config_tgt_mask_name()

void yac_cset_ext_couple_config_tgt_mask_name ( int ext_couple_config_id,
char const * tgt_mask_name )

Sets target mask name

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]tgt_mask_nametarget mask name

Definition at line 1743 of file yac.c.

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◆ yac_cset_ext_couple_config_use_raw_exchange()

void yac_cset_ext_couple_config_use_raw_exchange ( int ext_couple_config_id,
int use_raw_exchange )

Sets use of raw exchange

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]use_raw_exchangeuse raw exchange

Definition at line 1785 of file yac.c.

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◆ yac_cset_ext_couple_config_weight_file()

void yac_cset_ext_couple_config_weight_file ( int ext_couple_config_id,
char const * weight_file )

Sets the weight file name

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]weight_filename of a weight file
Remarks
if (weight_file == NULL) no weight file will be written
YAC will write out the weight file in parallel. This parallel output can be configured as described here: Configuration of parallel IO in YAC

Definition at line 1585 of file yac.c.

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◆ yac_cset_ext_couple_config_weight_file_on_existing()

void yac_cset_ext_couple_config_weight_file_on_existing ( int ext_couple_config_id,
int weight_file_on_existing )

Specify handling of already existing weight files

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]weight_file_on_existinghandling of existing weight files
Remarks
this only applies, if a weight file name was specified
Avaiable options:
See also
yac_cset_ext_couple_config_weight_file

Definition at line 1616 of file yac.c.

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◆ yac_cset_ext_couple_config_yaxt_exchanger_name()

void yac_cset_ext_couple_config_yaxt_exchanger_name ( int ext_couple_config_id,
char const * yaxt_exchanger_name )

Sets yaxt exchanger name

Parameters
[in]ext_couple_config_idextended coupling configuration
[in]yaxt_exchanger_nameyaxt exchange name

Definition at line 1765 of file yac.c.

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◆ yac_cset_ext_spmap_config_max_search_distance()

void yac_cset_ext_spmap_config_max_search_distance ( int ext_spmap_config_id,
double max_search_distance )

Sets the maximum search distance

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]max_search_distancemaximum search distance
See also
Extended configuration

Definition at line 5316 of file yac.c.

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◆ yac_cset_ext_spmap_config_scale_type()

void yac_cset_ext_spmap_config_scale_type ( int ext_spmap_config_id,
int scale_type )

Sets the scaling type

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]scale_typescaling type
See also
Extended configuration

Definition at line 5342 of file yac.c.

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◆ yac_cset_ext_spmap_config_spread_distance()

void yac_cset_ext_spmap_config_spread_distance ( int ext_spmap_config_id,
double spread_distance )

Sets the spread distance

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]spread_distancespread distance
See also
Extended configuration

Definition at line 5306 of file yac.c.

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◆ yac_cset_ext_spmap_config_src_cell_area_config_file()

void yac_cset_ext_spmap_config_src_cell_area_config_file ( int ext_spmap_config_id,
char const * filename,
char const * varname,
int min_global_id )

enables the reading of the source cell areas for the scaling

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]filenamenetCDF file contain the cell areas
[in]varnamevariable name of cell areas
[in]min_global_idminimum global id
See also
Extended configuration

Definition at line 5396 of file yac.c.

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◆ yac_cset_ext_spmap_config_src_cell_area_config_yac()

void yac_cset_ext_spmap_config_src_cell_area_config_yac ( int ext_spmap_config_id,
double sphere_radius )

enables the computation of the source cell areas by yac for the scaling

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]sphere_radiussphere radius
See also
Extended configuration

Definition at line 5360 of file yac.c.

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◆ yac_cset_ext_spmap_config_tgt_cell_area_config_file()

void yac_cset_ext_spmap_config_tgt_cell_area_config_file ( int ext_spmap_config_id,
char const * filename,
char const * varname,
int min_global_id )

enables the reading of the target cell areas for the scaling

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]filenamenetCDF file contain the cell areas
[in]varnamevariable name of cell areas
[in]min_global_idminimum global id
See also
Extended configuration

Definition at line 5430 of file yac.c.

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◆ yac_cset_ext_spmap_config_tgt_cell_area_config_yac()

void yac_cset_ext_spmap_config_tgt_cell_area_config_yac ( int ext_spmap_config_id,
double sphere_radius )

enables the computation of the target cell areas by yac

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]sphere_radiussphere radius
See also
Extended configuration

Definition at line 5378 of file yac.c.

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◆ yac_cset_ext_spmap_config_weight_type()

void yac_cset_ext_spmap_config_weight_type ( int ext_spmap_config_id,
int weight_type )

Sets the weightening type

Parameters
[out]ext_spmap_config_idextended source point mapping interpolation configuration
[in]weight_typeweightening type
See also
Extended configuration

Definition at line 5326 of file yac.c.

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◆ yac_cset_global_index()

void yac_cset_global_index ( int const * global_index,
int location,
int grid_id )

Set global ids for a grid

Parameters
[in]global_indexarray of global indices
[in]locationcell/vertex/edge
[in]grid_idgrid id
Remarks
global indices are to be provided in the local order of their respective cells/vertices/edges

Definition at line 5049 of file yac.c.

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◆ yac_cset_global_index_yac_int()

void yac_cset_global_index_yac_int ( yac_int const * global_index,
int location,
int grid_id )

Set global ids for a grid

Parameters
[in]global_indexarray of global indices
[in]locationcell/vertex/edge
[in]grid_idgrid id
Remarks
global indices are to be provided in the local order of their respective cells/vertices/edges
Internally global ids are stored using the integer type yac_int, which depending on the configuration can have different sizes (e.g. int or long).
It is prefered to use this interface over yac_cset_global_index.

Definition at line 5036 of file yac.c.

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◆ yac_cset_grid_output_file()

void yac_cset_grid_output_file ( const char * gridname,
const char * filename )

Activates writing out of the grid data

Parameters
[in]gridnamename of the grid to be written
[in]filenamename of the file to be written
Remarks
the writing is done in parallel (see Configuration of parallel IO in YAC)

Definition at line 676 of file yac.c.

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◆ yac_cset_grid_output_file_instance()

void yac_cset_grid_output_file_instance ( int yac_instance_id,
const char * gridname,
const char * filename )

Activates writing out of the grid data

Parameters
[in]yac_instance_idYAC instance_id
[in]gridnamename of the grid to be written
[in]filenamename of the file to be written
Remarks
the writing is done in parallel (see Configuration of parallel IO in YAC)

Definition at line 659 of file yac.c.

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◆ yac_cset_mask()

void yac_cset_mask ( int const * is_valid,
int points_id )

Set the default mask for points

Parameters
[in]is_valid0 for points that are masked out, 1 for valid points
[in]points_idid of points/cells

Definition at line 1304 of file yac.c.

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◆ yac_cset_spmap_overwrite_config_max_search_distance()

void yac_cset_spmap_overwrite_config_max_search_distance ( int spmap_overwrite_config_id,
double max_search_distance )

Sets the maximum search distance

Parameters
[out]spmap_overwrite_config_idsource point mapping interpolation overwrite configuration
[in]max_search_distancemaximum search distance
See also
Extended configuration

Definition at line 5519 of file yac.c.

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◆ yac_cset_spmap_overwrite_config_spread_distance()

void yac_cset_spmap_overwrite_config_spread_distance ( int spmap_overwrite_config_id,
double spread_distance )

Sets the spread distance

Parameters
[out]spmap_overwrite_config_idsource point mapping interpolation overwrite configuration
[in]spread_distancespread distance
See also
Extended configuration

Definition at line 5509 of file yac.c.

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◆ yac_cset_spmap_overwrite_config_src_point_selection_bnd_circle()

void yac_cset_spmap_overwrite_config_src_point_selection_bnd_circle ( int spmap_overwrite_config_id,
double center_lon,
double center_lat,
double inc_angle )

Sets the source point selection method to a bounding circle

Parameters
[out]spmap_overwrite_config_idsource point mapping interpolation overwrite configuration
[in]center_lonlongitude coordinate of the center of the bounding circle (in radians)
[in]center_latlatitude coordinate of the center of the bounding circle (in radians)
[in]inc_anglethe angle between center vector and a vector pointing to any point on the bounding circle (in radians)
See also
Extended configuration

Definition at line 5491 of file yac.c.

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◆ yac_cset_spmap_overwrite_config_weight_type()

void yac_cset_spmap_overwrite_config_weight_type ( int spmap_overwrite_config_id,
int weight_type )

Sets the weightening type

Parameters
[out]spmap_overwrite_config_idsource point mapping interpolation overwrite configuration
[in]weight_typeweightening type
See also
Extended configuration

Definition at line 5529 of file yac.c.

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◆ yac_csync_def()

void yac_csync_def ( void )

synchronize grids and fields of the default instance

Definition at line 4385 of file yac.c.

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◆ yac_csync_def_instance()

void yac_csync_def_instance ( int yac_instance_id)

synchronize grids and fields

Parameters
[in]yac_instance_idid of the YAC instance

Definition at line 4380 of file yac.c.

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◆ yac_ctest()

void yac_ctest ( int field_id,
int * flag )

Determines whether there is an asynchronous communication associated with a field, which is not yet completed (for example by a previous put)

Parameters
[in]field_id
[out]flag"0" if there is an uncompleted asynchronous communication associated with the field, "1" otherwise

Definition at line 3211 of file yac.c.

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◆ yac_cupdate()

void yac_cupdate ( int field_id)

If the action for the current timestep is YAC_ACTION_NONE, this routine will advance the internal clock to next timestep.

Parameters
[in]field_idfield id returned by yac_cdef_field
Remarks
If this routine is called before yac_cenddef, the behaviour is undefined.
This routine can be called instead of yac_cput or yac_cget, if these routines would not have taken any action for the current timestep, in order to advance the internal clock.

Definition at line 2446 of file yac.c.

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◆ yac_cwait()

void yac_cwait ( int field_id)

Waits until all previous asynchronous communication associated with a field is completed (for example by a previous put)

Parameters
[in]field_id

Definition at line 3235 of file yac.c.

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◆ yac_get_abort_handler()

yac_abort_func yac_get_abort_handler ( void )

Gets abort handler

Returns
currently set abort handler

◆ yac_get_default_abort_handler()

yac_abort_func yac_get_default_abort_handler ( void )

Gets default abort handler

Returns
default abort handler

◆ yac_restore_default_abort_handler()

void yac_restore_default_abort_handler ( void )

Restores default abort handler

◆ yac_set_abort_handler()

void yac_set_abort_handler ( yac_abort_func custom_abort)

Sets custom abort handler

Parameters
[in]custom_abortcustom abort handler
Remarks
This abort handler should call MPI_Abort if possible. Once this handler was called, the internal state of YAC is undefined and no YAC functions should be called anymore.

◆ yac_set_default_comm()

void yac_set_default_comm ( MPI_Comm comm)

Sets default MPI communicator (MPI_COMM_WORLD by default)

Parameters
[in]commdefault MPI communicator

Variable Documentation

◆ YAC_ACTION_COUPLING

int const YAC_ACTION_COUPLING
extern

data exchange

Definition at line 44 of file yac.c.

◆ YAC_ACTION_GET_FOR_RESTART

int const YAC_ACTION_GET_FOR_RESTART
extern

last valid get

Definition at line 46 of file yac.c.

◆ YAC_ACTION_NONE

int const YAC_ACTION_NONE
extern

no data exchanges

Definition at line 42 of file yac.c.

◆ YAC_ACTION_OUT_OF_BOUND

int const YAC_ACTION_OUT_OF_BOUND
extern

put/get is outside of the valid range

Definition at line 50 of file yac.c.

◆ YAC_ACTION_PUT_FOR_RESTART

int const YAC_ACTION_PUT_FOR_RESTART
extern

last valid put

Definition at line 47 of file yac.c.

◆ YAC_ACTION_REDUCTION

int const YAC_ACTION_REDUCTION
extern

data reduction, but data exchange

Definition at line 43 of file yac.c.

◆ YAC_AVG_ARITHMETIC

int const YAC_AVG_ARITHMETIC
extern

Definition at line 72 of file yac.c.

◆ YAC_AVG_BARY

int const YAC_AVG_BARY
extern

Definition at line 74 of file yac.c.

◆ YAC_AVG_DIST

int const YAC_AVG_DIST
extern

Definition at line 73 of file yac.c.

◆ YAC_CALENDAR_NOT_SET

int const YAC_CALENDAR_NOT_SET
extern

Definition at line 67 of file yac.c.

◆ YAC_CONFIG_OUTPUT_FORMAT_JSON

int const YAC_CONFIG_OUTPUT_FORMAT_JSON
extern

Definition at line 105 of file yac.c.

◆ YAC_CONFIG_OUTPUT_FORMAT_YAML

int const YAC_CONFIG_OUTPUT_FORMAT_YAML
extern

Definition at line 104 of file yac.c.

◆ YAC_CONFIG_OUTPUT_SYNC_LOC_DEF_COMP

int const YAC_CONFIG_OUTPUT_SYNC_LOC_DEF_COMP
extern

after component definition

Definition at line 117 of file yac.c.

◆ YAC_CONFIG_OUTPUT_SYNC_LOC_ENDDEF

int const YAC_CONFIG_OUTPUT_SYNC_LOC_ENDDEF
extern

after end of definitions

Definition at line 121 of file yac.c.

◆ YAC_CONFIG_OUTPUT_SYNC_LOC_SYNC_DEF

int const YAC_CONFIG_OUTPUT_SYNC_LOC_SYNC_DEF
extern

after synchronization of definition

Definition at line 119 of file yac.c.

◆ YAC_CONSERV_DESTAREA

int const YAC_CONSERV_DESTAREA
extern

Definition at line 85 of file yac.c.

◆ YAC_CONSERV_FRACAREA

int const YAC_CONSERV_FRACAREA
extern

Definition at line 86 of file yac.c.

◆ YAC_EXCHANGE_TYPE_NONE

int const YAC_EXCHANGE_TYPE_NONE
extern

Definition at line 38 of file yac.c.

◆ YAC_EXCHANGE_TYPE_SOURCE

int const YAC_EXCHANGE_TYPE_SOURCE
extern

Definition at line 39 of file yac.c.

◆ YAC_EXCHANGE_TYPE_TARGET

int const YAC_EXCHANGE_TYPE_TARGET
extern

Definition at line 40 of file yac.c.

◆ YAC_FILE_MISSING_CONT

int const YAC_FILE_MISSING_CONT
extern

continue on missing file

Definition at line 97 of file yac.c.

◆ YAC_FILE_MISSING_ERROR

int const YAC_FILE_MISSING_ERROR
extern

abort on missing file

Definition at line 96 of file yac.c.

◆ YAC_FILE_SUCCESS_CONT

int const YAC_FILE_SUCCESS_CONT
extern

continue weight computation with following interpolation methods

Definition at line 101 of file yac.c.

◆ YAC_FILE_SUCCESS_STOP

int const YAC_FILE_SUCCESS_STOP
extern

prevents following interpolation method from computating further weights

Definition at line 99 of file yac.c.

◆ YAC_FRAC_MASK_NO_VALUE

double const YAC_FRAC_MASK_NO_VALUE
extern

Value used to indicate that not fractional masking is to be use

Definition at line 27 of file interpolation.c.

◆ YAC_LOCATION_CELL

int const YAC_LOCATION_CELL
extern

Definition at line 34 of file yac.c.

◆ YAC_LOCATION_CORNER

int const YAC_LOCATION_CORNER
extern

Definition at line 35 of file yac.c.

◆ YAC_LOCATION_EDGE

int const YAC_LOCATION_EDGE
extern

Definition at line 36 of file yac.c.

◆ YAC_NCC_AVG

int const YAC_NCC_AVG
extern

Definition at line 76 of file yac.c.

◆ YAC_NCC_DIST

int const YAC_NCC_DIST
extern

Definition at line 77 of file yac.c.

◆ YAC_NNN_AVG

int const YAC_NNN_AVG
extern

Definition at line 79 of file yac.c.

◆ YAC_NNN_DIST

int const YAC_NNN_DIST
extern

Definition at line 80 of file yac.c.

◆ YAC_NNN_GAUSS

int const YAC_NNN_GAUSS
extern

Definition at line 81 of file yac.c.

◆ YAC_NNN_RBF

int const YAC_NNN_RBF
extern

Definition at line 82 of file yac.c.

◆ YAC_NNN_ZERO

int const YAC_NNN_ZERO
extern

Definition at line 83 of file yac.c.

◆ YAC_PROLEPTIC_GREGORIAN

int const YAC_PROLEPTIC_GREGORIAN
extern

Definition at line 68 of file yac.c.

◆ YAC_REDUCTION_TIME_ACCUMULATE

int const YAC_REDUCTION_TIME_ACCUMULATE
extern

Definition at line 53 of file yac.c.

◆ YAC_REDUCTION_TIME_AVERAGE

int const YAC_REDUCTION_TIME_AVERAGE
extern

Definition at line 54 of file yac.c.

◆ YAC_REDUCTION_TIME_MAXIMUM

int const YAC_REDUCTION_TIME_MAXIMUM
extern

Definition at line 56 of file yac.c.

◆ YAC_REDUCTION_TIME_MINIMUM

int const YAC_REDUCTION_TIME_MINIMUM
extern

Definition at line 55 of file yac.c.

◆ YAC_REDUCTION_TIME_NONE

int const YAC_REDUCTION_TIME_NONE
extern

Definition at line 52 of file yac.c.

◆ YAC_SPMAP_AVG

int const YAC_SPMAP_AVG
extern

Definition at line 88 of file yac.c.

◆ YAC_SPMAP_DIST

int const YAC_SPMAP_DIST
extern

Definition at line 89 of file yac.c.

◆ YAC_SPMAP_FRACAREA

int const YAC_SPMAP_FRACAREA
extern

Definition at line 94 of file yac.c.

◆ YAC_SPMAP_INVTGTAREA

int const YAC_SPMAP_INVTGTAREA
extern

Definition at line 93 of file yac.c.

◆ YAC_SPMAP_NONE

int const YAC_SPMAP_NONE
extern

Definition at line 91 of file yac.c.

◆ YAC_SPMAP_SRCAREA

int const YAC_SPMAP_SRCAREA
extern

Definition at line 92 of file yac.c.

◆ YAC_TIME_UNIT_DAY

int const YAC_TIME_UNIT_DAY
extern

Definition at line 62 of file yac.c.

◆ YAC_TIME_UNIT_HOUR

int const YAC_TIME_UNIT_HOUR
extern

Definition at line 61 of file yac.c.

◆ YAC_TIME_UNIT_ISO_FORMAT

int const YAC_TIME_UNIT_ISO_FORMAT
extern

Definition at line 65 of file yac.c.

◆ YAC_TIME_UNIT_MILLISECOND

int const YAC_TIME_UNIT_MILLISECOND
extern

Definition at line 58 of file yac.c.

◆ YAC_TIME_UNIT_MINUTE

int const YAC_TIME_UNIT_MINUTE
extern

Definition at line 60 of file yac.c.

◆ YAC_TIME_UNIT_MONTH

int const YAC_TIME_UNIT_MONTH
extern

Definition at line 63 of file yac.c.

◆ YAC_TIME_UNIT_SECOND

int const YAC_TIME_UNIT_SECOND
extern

Definition at line 59 of file yac.c.

◆ YAC_TIME_UNIT_YEAR

int const YAC_TIME_UNIT_YEAR
extern

Definition at line 64 of file yac.c.

◆ YAC_WGT_ON_EXISTING_ERROR

int const YAC_WGT_ON_EXISTING_ERROR
extern

generate error and abort, if file with the same name already existis

Definition at line 107 of file yac.c.

◆ YAC_WGT_ON_EXISTING_KEEP

int const YAC_WGT_ON_EXISTING_KEEP
extern

keep existing weight file

Definition at line 108 of file yac.c.

◆ YAC_WGT_ON_EXISTING_OVERWRITE

int const YAC_WGT_ON_EXISTING_OVERWRITE
extern

overwrite existing weight file

Definition at line 109 of file yac.c.

◆ YAC_YAML_EMITTER_DEFAULT

int const YAC_YAML_EMITTER_DEFAULT
extern

emit to YAML format

Definition at line 66 of file config_yaml.c.

◆ YAC_YAML_EMITTER_JSON

int const YAC_YAML_EMITTER_JSON
extern

emit to JSON format

Definition at line 67 of file config_yaml.c.

◆ YAC_YEAR_OF_360_DAYS

int const YAC_YEAR_OF_360_DAYS
extern

Definition at line 70 of file yac.c.

◆ YAC_YEAR_OF_365_DAYS

int const YAC_YEAR_OF_365_DAYS
extern

Definition at line 69 of file yac.c.