1c4762a1bSJed Brown static char help[] = "Tests MatPermute() in parallel.\n\n"; 2c4762a1bSJed Brown /* Results: 3c4762a1bSJed Brown Sequential: 4c4762a1bSJed Brown - seqaij: correct permutation 5c4762a1bSJed Brown - seqbaij: permutation not supported for this MATTYPE 6c4762a1bSJed Brown - seqsbaij: permutation not supported for this MATTYPE 7c4762a1bSJed Brown Parallel: 8c4762a1bSJed Brown - mpiaij: correct permutation 9c4762a1bSJed Brown - mpibaij: correct permutation 10c4762a1bSJed Brown - mpisbaij: permutation not supported for this MATTYPE 11c4762a1bSJed Brown */ 12c4762a1bSJed Brown 13c4762a1bSJed Brown #include <petscmat.h> 14c4762a1bSJed Brown 159371c9d4SSatish Balay int main(int argc, char **argv) { 169371c9d4SSatish Balay const struct { 179371c9d4SSatish Balay PetscInt i, j; 189371c9d4SSatish Balay PetscScalar v; 199371c9d4SSatish Balay } entries[] = { 209371c9d4SSatish Balay {0, 3, 1.}, 219371c9d4SSatish Balay {1, 2, 2.}, 229371c9d4SSatish Balay {2, 1, 3.}, 239371c9d4SSatish Balay {2, 5, 4.}, 249371c9d4SSatish Balay {3, 0, 5.}, 259371c9d4SSatish Balay {3, 6, 6.}, 269371c9d4SSatish Balay {4, 1, 7.}, 279371c9d4SSatish Balay {4, 4, 8.} 289371c9d4SSatish Balay }; 29c4762a1bSJed Brown const PetscInt ixrow[5] = {4, 2, 1, 0, 3}, ixcol[7] = {5, 3, 6, 1, 2, 0, 4}; 30c4762a1bSJed Brown Mat A, B; 31c4762a1bSJed Brown PetscInt i, rstart, rend, cstart, cend; 32c4762a1bSJed Brown IS isrow, iscol; 33c4762a1bSJed Brown PetscViewer viewer; 34c4762a1bSJed Brown PetscBool view_sparse; 35c4762a1bSJed Brown 36327415f7SBarry Smith PetscFunctionBeginUser; 379566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &argv, (char *)0, help)); 38c4762a1bSJed Brown /* ------- Assemble matrix, --------- */ 399566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &A)); 409566063dSJacob Faibussowitsch PetscCall(MatSetSizes(A, PETSC_DECIDE, PETSC_DECIDE, 5, 7)); 419566063dSJacob Faibussowitsch PetscCall(MatSetFromOptions(A)); 429566063dSJacob Faibussowitsch PetscCall(MatSetUp(A)); 439566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRange(A, &rstart, &rend)); 449566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRangeColumn(A, &cstart, &cend)); 45c4762a1bSJed Brown 46*48a46eb9SPierre Jolivet for (i = 0; i < (PetscInt)PETSC_STATIC_ARRAY_LENGTH(entries); i++) PetscCall(MatSetValue(A, entries[i].i, entries[i].j, entries[i].v, INSERT_VALUES)); 479566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 489566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 49c4762a1bSJed Brown 50c4762a1bSJed Brown /* ------ Prepare index sets ------ */ 519566063dSJacob Faibussowitsch PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, rend - rstart, ixrow + rstart, PETSC_USE_POINTER, &isrow)); 529566063dSJacob Faibussowitsch PetscCall(ISCreateGeneral(PETSC_COMM_WORLD, cend - cstart, ixcol + cstart, PETSC_USE_POINTER, &iscol)); 539566063dSJacob Faibussowitsch PetscCall(ISSetPermutation(isrow)); 549566063dSJacob Faibussowitsch PetscCall(ISSetPermutation(iscol)); 55c4762a1bSJed Brown 569566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIGetStdout(PETSC_COMM_WORLD, &viewer)); 57c4762a1bSJed Brown view_sparse = PETSC_FALSE; 589566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetBool(NULL, NULL, "-view_sparse", &view_sparse, NULL)); 59*48a46eb9SPierre Jolivet if (!view_sparse) PetscCall(PetscViewerPushFormat(viewer, PETSC_VIEWER_ASCII_DENSE)); 609566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer, "Original matrix\n")); 619566063dSJacob Faibussowitsch PetscCall(MatView(A, viewer)); 62c4762a1bSJed Brown 639566063dSJacob Faibussowitsch PetscCall(MatPermute(A, isrow, iscol, &B)); 649566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer, "Permuted matrix\n")); 659566063dSJacob Faibussowitsch PetscCall(MatView(B, viewer)); 66c4762a1bSJed Brown 67*48a46eb9SPierre Jolivet if (!view_sparse) PetscCall(PetscViewerPopFormat(viewer)); 689566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer, "Row permutation\n")); 699566063dSJacob Faibussowitsch PetscCall(ISView(isrow, viewer)); 709566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer, "Column permutation\n")); 719566063dSJacob Faibussowitsch PetscCall(ISView(iscol, viewer)); 72c4762a1bSJed Brown 73c4762a1bSJed Brown /* Free data structures */ 749566063dSJacob Faibussowitsch PetscCall(ISDestroy(&isrow)); 759566063dSJacob Faibussowitsch PetscCall(ISDestroy(&iscol)); 769566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 779566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 78c4762a1bSJed Brown 799566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 80b122ec5aSJacob Faibussowitsch return 0; 81c4762a1bSJed Brown } 82c4762a1bSJed Brown 83c4762a1bSJed Brown /*TEST 84c4762a1bSJed Brown 85c4762a1bSJed Brown build: 86c4762a1bSJed Brown requires: !complex 87c4762a1bSJed Brown 88c4762a1bSJed Brown test: 89c4762a1bSJed Brown args: -view_sparse 90c4762a1bSJed Brown 91c4762a1bSJed Brown test: 92c4762a1bSJed Brown suffix: 2 93c4762a1bSJed Brown nsize: 2 94c4762a1bSJed Brown args: -view_sparse 95c4762a1bSJed Brown 96c4762a1bSJed Brown test: 97c4762a1bSJed Brown suffix: 2b 98c4762a1bSJed Brown nsize: 2 99c4762a1bSJed Brown args: -mat_type baij -view_sparse 100c4762a1bSJed Brown 101c4762a1bSJed Brown test: 102c4762a1bSJed Brown suffix: 3 103c4762a1bSJed Brown nsize: 3 104c4762a1bSJed Brown args: -view_sparse 105c4762a1bSJed Brown 106c4762a1bSJed Brown test: 107c4762a1bSJed Brown suffix: 3b 108c4762a1bSJed Brown nsize: 3 109c4762a1bSJed Brown args: -mat_type baij -view_sparse 110c4762a1bSJed Brown 111023c16fcSToby Isaac test: 112023c16fcSToby Isaac suffix: dense 113023c16fcSToby Isaac args: -mat_type dense 114023c16fcSToby Isaac 115c4762a1bSJed Brown TEST*/ 116