Files
opm-core/opm/core/grid/grid_equal.cpp
2016-02-19 07:57:02 +01:00

77 lines
3.4 KiB
C++

#include <string.h> // C string.h to get memcmp()
#include <opm/common/util/numeric/cmp.hpp>
#include <opm/core/grid.h>
/*
The grid_equal() function is separated out into a separate file to
ensure that it is compiled with a C++ compiler, so that the
namespace features used in the opm/common/util/numeric/cmp.cpp
implementation compiles.
*/
bool
grid_equal(const struct UnstructuredGrid * grid1 , const struct UnstructuredGrid * grid2) {
if ((grid1->dimensions == grid2->dimensions) &&
(grid1->number_of_cells == grid2->number_of_cells) &&
(grid1->number_of_faces == grid2->number_of_faces) &&
(grid1->number_of_nodes == grid2->number_of_nodes)) {
// Exact integer comparisons
{
if (memcmp(grid1->face_nodepos , grid2->face_nodepos , (grid1->number_of_faces + 1) * sizeof * grid1->face_nodepos) != 0)
return false;
if (memcmp(grid1->face_nodes , grid2->face_nodes , grid1->face_nodepos[grid1->number_of_faces] * sizeof * grid1->face_nodes) != 0)
return false;
if (memcmp(grid1->face_cells , grid2->face_cells , 2 * grid1->number_of_faces * sizeof * grid1->face_cells) != 0)
return false;
if (memcmp(grid1->cell_faces , grid2->cell_faces , grid1->cell_facepos[grid1->number_of_cells] * sizeof * grid1->cell_faces) != 0)
return false;
if (memcmp(grid1->cell_facepos , grid2->cell_facepos , (grid1->number_of_cells + 1) * sizeof * grid1->cell_facepos) != 0)
return false;
if (grid1->global_cell && grid2->global_cell) {
if (memcmp(grid1->global_cell , grid2->global_cell , grid1->number_of_cells * sizeof * grid1->global_cell) != 0)
return false;
} else if (grid1->global_cell != grid2->global_cell)
return false;
if (grid1->cell_facetag && grid2->cell_facetag) {
if (memcmp(grid1->cell_facetag , grid2->cell_facetag , grid1->cell_facepos[grid1->number_of_cells] * sizeof * grid1->cell_facetag) != 0)
return false;
} else if (grid1->cell_facetag != grid2->cell_facetag)
return false;
}
// Floating point comparisons.
{
if (!Opm::cmp::array_equal<double>( grid1->node_coordinates , grid2->node_coordinates , static_cast<size_t>(grid1->dimensions * grid1->number_of_nodes)))
return false;
if (!Opm::cmp::array_equal<double>( grid1->face_centroids , grid2->face_centroids , static_cast<size_t>(grid1->dimensions * grid1->number_of_faces)))
return false;
if (!Opm::cmp::array_equal<double>( grid1->face_areas , grid2->face_areas , static_cast<size_t>(grid1->number_of_faces)))
return false;
if (!Opm::cmp::array_equal<double>( grid1->face_normals , grid2->face_normals , static_cast<size_t>(grid1->dimensions * grid1->number_of_faces)))
return false;
if (!Opm::cmp::array_equal<double>( grid1->cell_centroids , grid2->cell_centroids , static_cast<size_t>(grid1->dimensions * grid1->number_of_cells)))
return false;
if (!Opm::cmp::array_equal<double>( grid1->cell_volumes , grid2->cell_volumes , static_cast<size_t>(grid1->number_of_cells)))
return false;
}
return true;
} else
return false;
}