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 PetscErrorCode ierr; 21c4762a1bSJed Brown PetscInt i,rstart,rend,cstart,cend; 22c4762a1bSJed Brown IS isrow,iscol; 23c4762a1bSJed Brown PetscViewer viewer; 24c4762a1bSJed Brown PetscBool view_sparse; 25c4762a1bSJed Brown 26c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 27c4762a1bSJed Brown /* ------- Assemble matrix, --------- */ 28c4762a1bSJed Brown ierr = MatCreate(PETSC_COMM_WORLD,&A);CHKERRQ(ierr); 29c4762a1bSJed Brown ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,5,7);CHKERRQ(ierr); 30c4762a1bSJed Brown ierr = MatSetFromOptions(A);CHKERRQ(ierr); 31c4762a1bSJed Brown ierr = MatSetUp(A);CHKERRQ(ierr); 32c4762a1bSJed Brown ierr = MatGetOwnershipRange(A,&rstart,&rend);CHKERRQ(ierr); 33c4762a1bSJed Brown ierr = MatGetOwnershipRangeColumn(A,&cstart,&cend);CHKERRQ(ierr); 34c4762a1bSJed Brown 35c4762a1bSJed Brown for (i=0; i<(PetscInt)(sizeof(entries)/sizeof(entries[0])); i++) { 36c4762a1bSJed Brown ierr = MatSetValue(A,entries[i].i,entries[i].j,entries[i].v,INSERT_VALUES);CHKERRQ(ierr); 37c4762a1bSJed Brown } 38c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 39c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 40c4762a1bSJed Brown 41c4762a1bSJed Brown /* ------ Prepare index sets ------ */ 42c4762a1bSJed Brown ierr = ISCreateGeneral(PETSC_COMM_WORLD,rend-rstart,ixrow+rstart,PETSC_USE_POINTER,&isrow);CHKERRQ(ierr); 43c4762a1bSJed Brown ierr = ISCreateGeneral(PETSC_COMM_WORLD,cend-cstart,ixcol+cstart,PETSC_USE_POINTER,&iscol);CHKERRQ(ierr); 44c4762a1bSJed Brown ierr = ISSetPermutation(isrow);CHKERRQ(ierr); 45c4762a1bSJed Brown ierr = ISSetPermutation(iscol);CHKERRQ(ierr); 46c4762a1bSJed Brown 47c4762a1bSJed Brown ierr = PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr); 48c4762a1bSJed Brown view_sparse = PETSC_FALSE; 49c4762a1bSJed Brown ierr = PetscOptionsGetBool(NULL,NULL, "-view_sparse", &view_sparse, NULL);CHKERRQ(ierr); 50c4762a1bSJed Brown if (!view_sparse) { 51c4762a1bSJed Brown ierr = PetscViewerPushFormat(viewer,PETSC_VIEWER_ASCII_DENSE);CHKERRQ(ierr); 52c4762a1bSJed Brown } 53c4762a1bSJed Brown ierr = PetscViewerASCIIPrintf(viewer,"Original matrix\n");CHKERRQ(ierr); 54c4762a1bSJed Brown ierr = MatView(A,viewer);CHKERRQ(ierr); 55c4762a1bSJed Brown 56c4762a1bSJed Brown ierr = MatPermute(A,isrow,iscol,&B);CHKERRQ(ierr); 57c4762a1bSJed Brown ierr = PetscViewerASCIIPrintf(viewer,"Permuted matrix\n");CHKERRQ(ierr); 58c4762a1bSJed Brown ierr = MatView(B,viewer);CHKERRQ(ierr); 59c4762a1bSJed Brown 60c4762a1bSJed Brown if (!view_sparse) { 61c4762a1bSJed Brown ierr = PetscViewerPopFormat(viewer);CHKERRQ(ierr); 62c4762a1bSJed Brown } 63c4762a1bSJed Brown ierr = PetscViewerASCIIPrintf(viewer,"Row permutation\n");CHKERRQ(ierr); 64c4762a1bSJed Brown ierr = ISView(isrow,viewer);CHKERRQ(ierr); 65c4762a1bSJed Brown ierr = PetscViewerASCIIPrintf(viewer,"Column permutation\n");CHKERRQ(ierr); 66c4762a1bSJed Brown ierr = ISView(iscol,viewer);CHKERRQ(ierr); 67c4762a1bSJed Brown 68c4762a1bSJed Brown /* Free data structures */ 69c4762a1bSJed Brown ierr = ISDestroy(&isrow);CHKERRQ(ierr); 70c4762a1bSJed Brown ierr = ISDestroy(&iscol);CHKERRQ(ierr); 71c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 72c4762a1bSJed Brown ierr = MatDestroy(&B);CHKERRQ(ierr); 73c4762a1bSJed Brown 74c4762a1bSJed Brown ierr = PetscFinalize(); 75c4762a1bSJed Brown return ierr; 76c4762a1bSJed Brown } 77c4762a1bSJed Brown 78c4762a1bSJed Brown 79c4762a1bSJed Brown 80c4762a1bSJed Brown /*TEST 81c4762a1bSJed Brown 82c4762a1bSJed Brown build: 83c4762a1bSJed Brown requires: !complex 84c4762a1bSJed Brown 85c4762a1bSJed Brown test: 86c4762a1bSJed Brown args: -view_sparse 87c4762a1bSJed Brown 88c4762a1bSJed Brown test: 89c4762a1bSJed Brown suffix: 2 90c4762a1bSJed Brown nsize: 2 91c4762a1bSJed Brown args: -view_sparse 92c4762a1bSJed Brown 93c4762a1bSJed Brown test: 94c4762a1bSJed Brown suffix: 2b 95c4762a1bSJed Brown nsize: 2 96c4762a1bSJed Brown args: -mat_type baij -view_sparse 97c4762a1bSJed Brown 98c4762a1bSJed Brown test: 99c4762a1bSJed Brown suffix: 3 100c4762a1bSJed Brown nsize: 3 101c4762a1bSJed Brown args: -view_sparse 102c4762a1bSJed Brown 103c4762a1bSJed Brown test: 104c4762a1bSJed Brown suffix: 3b 105c4762a1bSJed Brown nsize: 3 106c4762a1bSJed Brown args: -mat_type baij -view_sparse 107c4762a1bSJed Brown 108*023c16fcSToby Isaac test: 109*023c16fcSToby Isaac suffix: dense 110*023c16fcSToby Isaac args: -mat_type dense 111*023c16fcSToby Isaac 112c4762a1bSJed Brown TEST*/ 113