io_utils.h

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// Copyright (c) 2024 The YAC Authors
//
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef IO_UTILS_H
#define IO_UTILS_H
 
#include "yac_config.h"
 
#ifdef YAC_NETCDF_ENABLED
#include <netcdf.h>
#endif
 
#include <mpi.h>
 
#include "yac_assert.h"
 
// YAC PUBLIC HEADER START
 
int yac_file_exists(const char * filename);
 
void yac_get_io_ranks(
  MPI_Comm comm, int * local_is_io, int ** io_ranks, int * num_io_ranks);
 
void yac_nc_open(const char * path, int omode, int * ncidp);
void yac_nc_create(const char * path, int cmode, int * ncidp);
void yac_nc_inq_dimid(int ncid, char const * name, int * dimidp);
void yac_nc_inq_varid(int ncid, char const * name, int * varidp);
 
#define YAC_HANDLE_ERROR(exp) \
  do { \
    int handle_error_status = (exp); \
    YAC_ASSERT_F( \
      (handle_error_status) == NC_NOERR, \
      "%s", nc_strerror(handle_error_status)) \
  } while(0)
 
// YAC PUBLIC HEADER STOP
 
#endif // IO_UTILS_H