93 lines
1.9 KiB
C
93 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "H5hut.h"
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#if !defined (PARALLEL_IO)
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#define MPI_Init(argc, argv)
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#define MPI_Comm_size(comm, nprocs) { *nprocs = 1; }
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#define MPI_Comm_rank(comm, myproc) { *myproc = 0; }
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#define MPI_Finalize()
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#define MPI_COMM_WORLD (0)
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#endif
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const char* FNAME = "simple_tet.h5";
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typedef struct vertex {
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h5_float64_t P[3];
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} vertex_t;
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typedef struct elem {
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h5_loc_idx_t vids[4];
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} elem_t;
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vertex_t Vertices[] = {
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{{-1.0, 0.0, 0.0}},
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{{ 1.0, 0.0, 0.0}},
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{{ 0.0, 1.0, 0.0}},
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{{ 0.0, 0.0, 1.0}},
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{{ 0.0, -1.0, 0.0}}
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};
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elem_t Elems[] = {
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{{ 0, 1, 2, 3 }}, // 0, 3, 2, 1
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{{ 0, 1, 3, 4 }} // 0, 4, 3, 1
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};
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const int num_vertices = sizeof (Vertices) / sizeof (Vertices[0]);
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const int num_elems = sizeof (Elems) / sizeof (Elems[0]);
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int
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main (
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int argc,
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char* argv[]
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) {
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MPI_Comm comm = MPI_COMM_WORLD;
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int myproc;
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int nprocs;
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MPI_Init (&argc, &argv);
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MPI_Comm_size (comm, &nprocs);
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MPI_Comm_rank (comm, &myproc);
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/* abort program on errors in library */
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H5SetErrorHandler (H5AbortErrorhandler);
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H5SetVerbosityLevel (5);
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/* open file and add mesh */
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h5_file_t const f = H5OpenFile (FNAME, H5_O_WRONLY, comm);
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h5t_mesh_t* mesh;
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H5FedAddTetrahedralMesh (f, "0", &mesh);
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/* store vertices */
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H5FedBeginStoreVertices (mesh, num_vertices);
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int i;
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for (i = 0; i < num_vertices; i++) {
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H5FedStoreVertex (mesh, -1, Vertices[i].P);
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}
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H5FedEndStoreVertices (mesh);
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/* store elements */
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H5FedBeginStoreElements (mesh, num_elems);
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for (i = 0; i < num_elems; i++) {
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H5FedStoreElement (mesh, Elems[i].vids);
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}
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H5FedEndStoreElements (mesh);
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/* add 1. Level */
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H5FedBeginRefineElements (mesh);
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H5FedRefineElement (mesh, 0);
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H5FedEndRefineElements (mesh);
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/* add 2. Level */
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H5FedBeginRefineElements (mesh);
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H5FedRefineElement (mesh, 2);
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H5FedEndRefineElements (mesh);
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H5FedCloseMesh (mesh);
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H5CloseFile (f);
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return 0;
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}
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