sphere_part.h

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// Copyright (c) 2024 The YAC Authors
//
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef SPHERE_PART_H
#define SPHERE_PART_H
 
#include "yac_types.h"
#include "geometry.h"
 
struct point_sphere_part_search;
 
struct point_sphere_part_search * yac_point_sphere_part_search_new (
  size_t num_points, yac_const_coordinate_pointer coordinates_xyz,
  yac_int const * ids);
 
struct point_sphere_part_search * yac_point_sphere_part_search_mask_new (
  size_t num_points, yac_const_coordinate_pointer coordinates_xyz,
  yac_int const * ids, int const * mask);
 
void yac_delete_point_sphere_part_search(
  struct point_sphere_part_search * search);
 
void yac_point_sphere_part_search_NN(struct point_sphere_part_search * search,
                                     size_t num_points,
                                     double (*coordinates_xyz)[3],
                                     double * cos_angles,
                                     double (**result_coordinates_xyz)[3],
                                     size_t * result_coordinates_xyz_array_size,
                                     size_t ** local_point_ids,
                                     size_t * local_point_ids_array_size,
                                     size_t * num_local_point_ids);
 
void yac_point_sphere_part_search_NNN(struct point_sphere_part_search * search,
                                      size_t num_points,
                                      double (*coordinates_xyz)[3], size_t n,
                                      double ** cos_angles,
                                      size_t * cos_angles_array_size,
                                      double (**result_coordinates_xyz)[3],
                                      size_t * result_coordinates_xyz_array_size,
                                      size_t ** local_point_ids,
                                      size_t * local_point_ids_array_size,
                                      size_t * num_local_point_ids);
 
void yac_point_sphere_part_search_NNN_bnd_circle(
  struct point_sphere_part_search * search,
  size_t num_bnd_circles, struct bounding_circle * bnd_circles,
  size_t n, size_t ** local_point_ids, size_t * local_point_ids_array_size,
  size_t * num_local_point_ids);
 
void yac_point_sphere_part_search_NNN_ubound(
  struct point_sphere_part_search * search,
  size_t num_points, yac_coordinate_pointer coordinates_xyz,
  size_t n, struct sin_cos_angle * angles);
 
struct bnd_sphere_part_search;
struct bnd_sphere_part_search * yac_bnd_sphere_part_search_new(
  struct bounding_circle * circles, size_t num_circles);
void yac_bnd_sphere_part_search_delete(struct bnd_sphere_part_search * search);
void yac_bnd_sphere_part_search_do_point_search(
  struct bnd_sphere_part_search * search, yac_coordinate_pointer coordinates_xyz,
  size_t count, size_t ** cells, size_t * num_cells_per_coordinate);
void yac_bnd_sphere_part_search_do_bnd_circle_search(
  struct bnd_sphere_part_search * search, struct bounding_circle * bnd_circles,
  size_t count, size_t ** cells, size_t * num_cells_per_bnd_circle);
 
#endif // SPHERE_PART_H