1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Test the use of MatSetValuesBlocked(), MatZeroRows() for rectangular MatBAIJ matrix, test MatSetValuesBlocked() for MatSBAIJ matrix (-test_mat_sbaij)."; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown 6*d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 7*d71ae5a4SJacob Faibussowitsch { 8c4762a1bSJed Brown Mat A; 9c4762a1bSJed Brown PetscInt bs = 3, m = 4, n = 6, i, j, val = 10, row[2], col[3], eval, rstart; 10c4762a1bSJed Brown PetscMPIInt size, rank; 11c4762a1bSJed Brown PetscScalar x[6][9], y[3][3], one = 1.0; 12c4762a1bSJed Brown PetscBool flg, testsbaij = PETSC_FALSE; 13c4762a1bSJed Brown 14327415f7SBarry Smith PetscFunctionBeginUser; 159566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 169566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 179566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 18c4762a1bSJed Brown 199566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL, NULL, "-test_mat_sbaij", &testsbaij)); 20c4762a1bSJed Brown 21c4762a1bSJed Brown if (testsbaij) { 229566063dSJacob Faibussowitsch PetscCall(MatCreateSBAIJ(PETSC_COMM_WORLD, bs, m * bs, n * bs, PETSC_DECIDE, PETSC_DECIDE, 1, NULL, 1, NULL, &A)); 23c4762a1bSJed Brown } else { 249566063dSJacob Faibussowitsch PetscCall(MatCreateBAIJ(PETSC_COMM_WORLD, bs, m * bs, n * bs, PETSC_DECIDE, PETSC_DECIDE, 1, NULL, 1, NULL, &A)); 25c4762a1bSJed Brown } 269566063dSJacob Faibussowitsch PetscCall(MatSetOption(A, MAT_NEW_NONZERO_ALLOCATION_ERR, PETSC_FALSE)); 27c4762a1bSJed Brown eval = 9; 28c4762a1bSJed Brown 299566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL, NULL, "-ass_extern", &flg)); 30c4762a1bSJed Brown if (flg && (size != 1)) rstart = m * ((rank + 1) % size); 31c4762a1bSJed Brown else rstart = m * (rank); 32c4762a1bSJed Brown 339371c9d4SSatish Balay row[0] = rstart + 0; 349371c9d4SSatish Balay row[1] = rstart + 2; 359371c9d4SSatish Balay col[0] = rstart + 0; 369371c9d4SSatish Balay col[1] = rstart + 1; 379371c9d4SSatish Balay col[2] = rstart + 3; 38c4762a1bSJed Brown for (i = 0; i < 6; i++) { 39c4762a1bSJed Brown for (j = 0; j < 9; j++) x[i][j] = (PetscScalar)val++; 40c4762a1bSJed Brown } 41c4762a1bSJed Brown 429566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A, 2, row, 3, col, &x[0][0], INSERT_VALUES)); 43c4762a1bSJed Brown 449566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 459566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 46c4762a1bSJed Brown 47c4762a1bSJed Brown /* 48c4762a1bSJed Brown This option does not work for rectangular matrices 499566063dSJacob Faibussowitsch PetscCall(MatSetOption(A,MAT_NEW_NONZERO_LOCATION_ERR,PETSC_TRUE)); 50c4762a1bSJed Brown */ 51c4762a1bSJed Brown 529566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A, 2, row, 3, col, &x[0][0], INSERT_VALUES)); 53c4762a1bSJed Brown 54c4762a1bSJed Brown /* Do another MatSetValues to test the case when only one local block is specified */ 55c4762a1bSJed Brown for (i = 0; i < 3; i++) { 56c4762a1bSJed Brown for (j = 0; j < 3; j++) y[i][j] = (PetscScalar)(10 + i * eval + j); 57c4762a1bSJed Brown } 589566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A, 1, row, 1, col, &y[0][0], INSERT_VALUES)); 599566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY)); 609566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY)); 61c4762a1bSJed Brown 629566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL, NULL, "-zero_rows", &flg)); 63c4762a1bSJed Brown if (flg) { 64c4762a1bSJed Brown col[0] = rstart * bs + 0; 65c4762a1bSJed Brown col[1] = rstart * bs + 1; 66c4762a1bSJed Brown col[2] = rstart * bs + 2; 679566063dSJacob Faibussowitsch PetscCall(MatZeroRows(A, 3, col, one, 0, 0)); 68c4762a1bSJed Brown } 69c4762a1bSJed Brown 709566063dSJacob Faibussowitsch PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD)); 71c4762a1bSJed Brown 729566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 739566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 74b122ec5aSJacob Faibussowitsch return 0; 75c4762a1bSJed Brown } 76c4762a1bSJed Brown 77c4762a1bSJed Brown /*TEST 78c4762a1bSJed Brown 79c4762a1bSJed Brown test: 808cc725e6SPierre Jolivet filter: grep -v " MPI process" 81c4762a1bSJed Brown 82c4762a1bSJed Brown test: 83c4762a1bSJed Brown suffix: 4 84c4762a1bSJed Brown nsize: 3 85c4762a1bSJed Brown args: -ass_extern 868cc725e6SPierre Jolivet filter: grep -v " MPI process" 87c4762a1bSJed Brown 88c4762a1bSJed Brown test: 89c4762a1bSJed Brown suffix: 5 90c4762a1bSJed Brown nsize: 3 91c4762a1bSJed Brown args: -ass_extern -zero_rows 928cc725e6SPierre Jolivet filter: grep -v " MPI process" 93c4762a1bSJed Brown 94c4762a1bSJed Brown TEST*/ 95