1c4762a1bSJed Brown static char help[] = "Test saving SeqSBAIJ matrix that is missing diagonal entries.";
2c4762a1bSJed Brown
3c4762a1bSJed Brown #include <petscmat.h>
4c4762a1bSJed Brown
main(int argc,char ** args)5d71ae5a4SJacob Faibussowitsch int main(int argc, char **args)
6d71ae5a4SJacob Faibussowitsch {
7c4762a1bSJed Brown Mat A;
8c4762a1bSJed Brown PetscInt bs = 3, m = 4, i, j, val = 10, row[2], col[3], rstart;
9c4762a1bSJed Brown PetscMPIInt size;
10c4762a1bSJed Brown PetscScalar x[6][9];
11c4762a1bSJed Brown
12327415f7SBarry Smith PetscFunctionBeginUser;
13*c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help));
149566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size));
15be096a46SBarry Smith PetscCheck(size == 1, PETSC_COMM_WORLD, PETSC_ERR_WRONG_MPI_SIZE, "Test is only for sequential");
169566063dSJacob Faibussowitsch PetscCall(MatCreateSeqSBAIJ(PETSC_COMM_SELF, bs, m * bs, m * bs, 1, NULL, &A));
179566063dSJacob Faibussowitsch PetscCall(MatSetOption(A, MAT_IGNORE_LOWER_TRIANGULAR, PETSC_TRUE));
18c4762a1bSJed Brown rstart = 0;
19c4762a1bSJed Brown
209371c9d4SSatish Balay row[0] = rstart + 0;
219371c9d4SSatish Balay row[1] = rstart + 2;
229371c9d4SSatish Balay col[0] = rstart + 0;
239371c9d4SSatish Balay col[1] = rstart + 1;
249371c9d4SSatish Balay col[2] = rstart + 3;
25c4762a1bSJed Brown for (i = 0; i < 6; i++) {
26c4762a1bSJed Brown for (j = 0; j < 9; j++) x[i][j] = (PetscScalar)val++;
27c4762a1bSJed Brown }
289566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A, 2, row, 3, col, &x[0][0], INSERT_VALUES));
299566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY));
309566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY));
319566063dSJacob Faibussowitsch PetscCall(MatView(A, PETSC_VIEWER_BINARY_WORLD));
32c4762a1bSJed Brown
339566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A));
349566063dSJacob Faibussowitsch PetscCall(PetscFinalize());
35b122ec5aSJacob Faibussowitsch return 0;
36c4762a1bSJed Brown }
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