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 15c4762a1bSJed Brown int main(int argc,char **argv) 16c4762a1bSJed Brown { 17c4762a1bSJed Brown const struct {PetscInt i,j; PetscScalar v;} entries[] = {{0,3,1.},{1,2,2.},{2,1,3.},{2,5,4.},{3,0,5.},{3,6,6.},{4,1,7.},{4,4,8.}}; 18c4762a1bSJed Brown const PetscInt ixrow[5] = {4,2,1,0,3},ixcol[7] = {5,3,6,1,2,0,4}; 19c4762a1bSJed Brown Mat A,B; 20c4762a1bSJed Brown PetscInt i,rstart,rend,cstart,cend; 21c4762a1bSJed Brown IS isrow,iscol; 22c4762a1bSJed Brown PetscViewer viewer; 23c4762a1bSJed Brown PetscBool view_sparse; 24c4762a1bSJed Brown 25*327415f7SBarry Smith PetscFunctionBeginUser; 269566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&argv,(char*)0,help)); 27c4762a1bSJed Brown /* ------- Assemble matrix, --------- */ 289566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD,&A)); 299566063dSJacob Faibussowitsch PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,5,7)); 309566063dSJacob Faibussowitsch PetscCall(MatSetFromOptions(A)); 319566063dSJacob Faibussowitsch PetscCall(MatSetUp(A)); 329566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRange(A,&rstart,&rend)); 339566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRangeColumn(A,&cstart,&cend)); 34c4762a1bSJed Brown 35dd39110bSPierre Jolivet for (i=0; i<(PetscInt)PETSC_STATIC_ARRAY_LENGTH(entries); i++) { 369566063dSJacob Faibussowitsch PetscCall(MatSetValue(A,entries[i].i,entries[i].j,entries[i].v,INSERT_VALUES)); 37c4762a1bSJed Brown } 389566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 399566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 40c4762a1bSJed Brown 41c4762a1bSJed Brown /* ------ Prepare index sets ------ */ 429566063dSJacob Faibussowitsch PetscCall(ISCreateGeneral(PETSC_COMM_WORLD,rend-rstart,ixrow+rstart,PETSC_USE_POINTER,&isrow)); 439566063dSJacob Faibussowitsch PetscCall(ISCreateGeneral(PETSC_COMM_WORLD,cend-cstart,ixcol+cstart,PETSC_USE_POINTER,&iscol)); 449566063dSJacob Faibussowitsch PetscCall(ISSetPermutation(isrow)); 459566063dSJacob Faibussowitsch PetscCall(ISSetPermutation(iscol)); 46c4762a1bSJed Brown 479566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer)); 48c4762a1bSJed Brown view_sparse = PETSC_FALSE; 499566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetBool(NULL,NULL, "-view_sparse", &view_sparse, NULL)); 50c4762a1bSJed Brown if (!view_sparse) { 519566063dSJacob Faibussowitsch PetscCall(PetscViewerPushFormat(viewer,PETSC_VIEWER_ASCII_DENSE)); 52c4762a1bSJed Brown } 539566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer,"Original matrix\n")); 549566063dSJacob Faibussowitsch PetscCall(MatView(A,viewer)); 55c4762a1bSJed Brown 569566063dSJacob Faibussowitsch PetscCall(MatPermute(A,isrow,iscol,&B)); 579566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer,"Permuted matrix\n")); 589566063dSJacob Faibussowitsch PetscCall(MatView(B,viewer)); 59c4762a1bSJed Brown 60c4762a1bSJed Brown if (!view_sparse) { 619566063dSJacob Faibussowitsch PetscCall(PetscViewerPopFormat(viewer)); 62c4762a1bSJed Brown } 639566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer,"Row permutation\n")); 649566063dSJacob Faibussowitsch PetscCall(ISView(isrow,viewer)); 659566063dSJacob Faibussowitsch PetscCall(PetscViewerASCIIPrintf(viewer,"Column permutation\n")); 669566063dSJacob Faibussowitsch PetscCall(ISView(iscol,viewer)); 67c4762a1bSJed Brown 68c4762a1bSJed Brown /* Free data structures */ 699566063dSJacob Faibussowitsch PetscCall(ISDestroy(&isrow)); 709566063dSJacob Faibussowitsch PetscCall(ISDestroy(&iscol)); 719566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 729566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 73c4762a1bSJed Brown 749566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 75b122ec5aSJacob Faibussowitsch return 0; 76c4762a1bSJed Brown } 77c4762a1bSJed Brown 78c4762a1bSJed Brown /*TEST 79c4762a1bSJed Brown 80c4762a1bSJed Brown build: 81c4762a1bSJed Brown requires: !complex 82c4762a1bSJed Brown 83c4762a1bSJed Brown test: 84c4762a1bSJed Brown args: -view_sparse 85c4762a1bSJed Brown 86c4762a1bSJed Brown test: 87c4762a1bSJed Brown suffix: 2 88c4762a1bSJed Brown nsize: 2 89c4762a1bSJed Brown args: -view_sparse 90c4762a1bSJed Brown 91c4762a1bSJed Brown test: 92c4762a1bSJed Brown suffix: 2b 93c4762a1bSJed Brown nsize: 2 94c4762a1bSJed Brown args: -mat_type baij -view_sparse 95c4762a1bSJed Brown 96c4762a1bSJed Brown test: 97c4762a1bSJed Brown suffix: 3 98c4762a1bSJed Brown nsize: 3 99c4762a1bSJed Brown args: -view_sparse 100c4762a1bSJed Brown 101c4762a1bSJed Brown test: 102c4762a1bSJed Brown suffix: 3b 103c4762a1bSJed Brown nsize: 3 104c4762a1bSJed Brown args: -mat_type baij -view_sparse 105c4762a1bSJed Brown 106023c16fcSToby Isaac test: 107023c16fcSToby Isaac suffix: dense 108023c16fcSToby Isaac args: -mat_type dense 109023c16fcSToby Isaac 110c4762a1bSJed Brown TEST*/ 111