1c4762a1bSJed Brown static char help[] = "Test the use of MatSetValuesBlocked(), MatZeroRows() for rectangular MatBAIJ matrix, test MatSetValuesBlocked() for MatSBAIJ matrix (-test_mat_sbaij)."; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscmat.h> 4c4762a1bSJed Brown 5d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 6d71ae5a4SJacob Faibussowitsch { 7c4762a1bSJed Brown Mat A; 8c4762a1bSJed Brown PetscInt bs = 3, m = 4, n = 6, i, j, val = 10, row[2], col[3], eval, rstart; 9c4762a1bSJed Brown PetscMPIInt size, rank; 10c4762a1bSJed Brown PetscScalar x[6][9], y[3][3], one = 1.0; 11c4762a1bSJed Brown PetscBool flg, testsbaij = PETSC_FALSE; 12c4762a1bSJed Brown 13327415f7SBarry Smith PetscFunctionBeginUser; 14*c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help)); 159566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 169566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 17c4762a1bSJed Brown 189566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL, NULL, "-test_mat_sbaij", &testsbaij)); 19c4762a1bSJed Brown 20c4762a1bSJed Brown if (testsbaij) { 219566063dSJacob Faibussowitsch PetscCall(MatCreateSBAIJ(PETSC_COMM_WORLD, bs, m * bs, n * bs, PETSC_DECIDE, PETSC_DECIDE, 1, NULL, 1, NULL, &A)); 22c4762a1bSJed Brown } else { 239566063dSJacob Faibussowitsch PetscCall(MatCreateBAIJ(PETSC_COMM_WORLD, bs, m * bs, n * bs, PETSC_DECIDE, PETSC_DECIDE, 1, NULL, 1, NULL, &A)); 24c4762a1bSJed Brown } 259566063dSJacob Faibussowitsch PetscCall(MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE)); 26c4762a1bSJed Brown eval = 9; 27c4762a1bSJed Brown 289566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL, NULL, "-ass_extern", &flg)); 29c4762a1bSJed Brown if (flg && (size != 1)) rstart = m * ((rank + 1) % size); 30c4762a1bSJed Brown else rstart = m * (rank); 31c4762a1bSJed Brown 329371c9d4SSatish Balay row[0] = rstart + 0; 339371c9d4SSatish Balay row[1] = rstart + 2; 349371c9d4SSatish Balay col[0] = rstart + 0; 359371c9d4SSatish Balay col[1] = rstart + 1; 369371c9d4SSatish Balay col[2] = rstart + 3; 37c4762a1bSJed Brown for (i = 0; i < 6; i++) { 38c4762a1bSJed Brown for (j = 0; j < 9; j++) x[i][j] = (PetscScalar)val++; 39c4762a1bSJed Brown } 40c4762a1bSJed Brown 419566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A, 2, row, 3, col, &x[0][0], INSERT_VALUES)); 42c4762a1bSJed Brown 439566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 449566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 45c4762a1bSJed Brown 46c4762a1bSJed Brown /* 47c4762a1bSJed Brown This option does not work for rectangular matrices 489566063dSJacob Faibussowitsch PetscCall(MatSetOption(A,MAT_NEW_NONZERO_LOCATION_ERR,PETSC_TRUE)); 49c4762a1bSJed Brown */ 50c4762a1bSJed Brown 519566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A, 2, row, 3, col, &x[0][0], INSERT_VALUES)); 52c4762a1bSJed Brown 53c4762a1bSJed Brown /* Do another MatSetValues to test the case when only one local block is specified */ 54c4762a1bSJed Brown for (i = 0; i < 3; i++) { 55c4762a1bSJed Brown for (j = 0; j < 3; j++) y[i][j] = (PetscScalar)(10 + i * eval + j); 56c4762a1bSJed Brown } 579566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A, 1, row, 1, col, &y[0][0], INSERT_VALUES)); 589566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 599566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 60c4762a1bSJed Brown 619566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL, NULL, "-zero_rows", &flg)); 62c4762a1bSJed Brown if (flg) { 63c4762a1bSJed Brown col[0] = rstart * bs + 0; 64c4762a1bSJed Brown col[1] = rstart * bs + 1; 65c4762a1bSJed Brown col[2] = rstart * bs + 2; 669566063dSJacob Faibussowitsch PetscCall(MatZeroRows(A, 3, col, one, 0, 0)); 67c4762a1bSJed Brown } 68c4762a1bSJed Brown 699566063dSJacob Faibussowitsch PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD)); 70c4762a1bSJed Brown 719566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 729566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 73b122ec5aSJacob Faibussowitsch return 0; 74c4762a1bSJed Brown } 75c4762a1bSJed Brown 76c4762a1bSJed Brown /*TEST 77c4762a1bSJed Brown 78c4762a1bSJed Brown test: 798cc725e6SPierre Jolivet filter: grep -v " MPI process" 80c4762a1bSJed Brown 81c4762a1bSJed Brown test: 82c4762a1bSJed Brown suffix: 4 83c4762a1bSJed Brown nsize: 3 84c4762a1bSJed Brown args: -ass_extern 858cc725e6SPierre Jolivet filter: grep -v " MPI process" 86c4762a1bSJed Brown 87c4762a1bSJed Brown test: 88c4762a1bSJed Brown suffix: 5 89c4762a1bSJed Brown nsize: 3 90c4762a1bSJed Brown args: -ass_extern -zero_rows 918cc725e6SPierre Jolivet filter: grep -v " MPI process" 92c4762a1bSJed Brown 93c4762a1bSJed Brown TEST*/ 94