1da81f932SPierre Jolivet static char help[] = "Tests the different MatColoring implementations.\n\n";
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3c4762a1bSJed Brown #include <petscmat.h>
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main(int argc,char ** args)5d71ae5a4SJacob Faibussowitsch int main(int argc, char **args)
6d71ae5a4SJacob Faibussowitsch {
7c4762a1bSJed Brown Mat C;
8c4762a1bSJed Brown PetscViewer viewer;
9c4762a1bSJed Brown char file[128];
10c4762a1bSJed Brown PetscBool flg;
11c4762a1bSJed Brown MatColoring ctx;
12c4762a1bSJed Brown ISColoring coloring;
13c4762a1bSJed Brown PetscMPIInt size;
14c4762a1bSJed Brown
15327415f7SBarry Smith PetscFunctionBeginUser;
16c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help));
179566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size));
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199566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-f", file, sizeof(file), &flg));
2028b400f6SJacob Faibussowitsch PetscCheck(flg, PETSC_COMM_WORLD, PETSC_ERR_USER, "Must use -f filename to load sparse matrix");
219566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryOpen(PETSC_COMM_WORLD, file, FILE_MODE_READ, &viewer));
229566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &C));
239566063dSJacob Faibussowitsch PetscCall(MatLoad(C, viewer));
249566063dSJacob Faibussowitsch PetscCall(PetscViewerDestroy(&viewer));
25c4762a1bSJed Brown
269566063dSJacob Faibussowitsch PetscCall(MatColoringCreate(C, &ctx));
279566063dSJacob Faibussowitsch PetscCall(MatColoringSetFromOptions(ctx));
289566063dSJacob Faibussowitsch PetscCall(MatColoringApply(ctx, &coloring));
299566063dSJacob Faibussowitsch PetscCall(MatColoringTest(ctx, coloring));
30c4762a1bSJed Brown if (size == 1) {
31c4762a1bSJed Brown /* jp, power and greedy have bug -- need to be fixed */
329566063dSJacob Faibussowitsch PetscCall(MatISColoringTest(C, coloring));
33c4762a1bSJed Brown }
34c4762a1bSJed Brown
35c4762a1bSJed Brown /* Free data structures */
369566063dSJacob Faibussowitsch PetscCall(ISColoringDestroy(&coloring));
379566063dSJacob Faibussowitsch PetscCall(MatColoringDestroy(&ctx));
389566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C));
399566063dSJacob Faibussowitsch PetscCall(PetscFinalize());
40b122ec5aSJacob Faibussowitsch return 0;
41c4762a1bSJed Brown }
42c4762a1bSJed Brown
43c4762a1bSJed Brown /*TEST
44c4762a1bSJed Brown
45c4762a1bSJed Brown test:
46c4762a1bSJed Brown nsize: {{3}}
47dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
48c4762a1bSJed Brown args: -f ${DATAFILESPATH}/matrices/arco1 -mat_coloring_type {{ jp power natural greedy}} -mat_coloring_distance {{ 1 2}}
49*3886731fSPierre Jolivet output_file: output/empty.out
50c4762a1bSJed Brown
51c4762a1bSJed Brown test:
52c4762a1bSJed Brown suffix: 2
53c4762a1bSJed Brown nsize: {{1 2}}
54dfd57a17SPierre Jolivet requires: datafilespath !complex double !defined(PETSC_USE_64BIT_INDICES)
55c4762a1bSJed Brown args: -f ${DATAFILESPATH}/matrices/arco1 -mat_coloring_type {{sl lf id}} -mat_coloring_distance 2
56*3886731fSPierre Jolivet output_file: output/empty.out
57c4762a1bSJed Brown
58c4762a1bSJed Brown TEST*/
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