Actual source code: ex175.c
2: static char help[] = "Tests MatCreateHermitianTranspose().\n\n";
4: #include <petscmat.h>
6: int main(int argc, char **args)
7: {
8: Mat C, C_htransposed, Cht, C_empty;
9: PetscInt i, j, m = 10, n = 10;
10: PetscScalar v;
13: PetscInitialize(&argc, &args, (char *)0, help);
14: /* Create a complex non-hermitian matrix */
15: MatCreate(PETSC_COMM_SELF, &C);
16: MatSetSizes(C, PETSC_DECIDE, PETSC_DECIDE, m, n);
17: MatSetFromOptions(C);
18: MatSetUp(C);
19: for (i = 0; i < m; i++) {
20: for (j = 0; j < n; j++) {
21: v = 0.0 - 1.0 * PETSC_i;
22: if (i > j && i - j < 2) MatSetValues(C, 1, &i, 1, &j, &v, INSERT_VALUES);
23: }
24: }
25: MatAssemblyBegin(C, MAT_FINAL_ASSEMBLY);
26: MatAssemblyEnd(C, MAT_FINAL_ASSEMBLY);
28: MatCreateHermitianTranspose(C, &C_htransposed);
30: MatView(C, PETSC_VIEWER_STDOUT_SELF);
31: MatDuplicate(C_htransposed, MAT_COPY_VALUES, &Cht);
32: MatView(Cht, PETSC_VIEWER_STDOUT_SELF);
33: MatDuplicate(C_htransposed, MAT_DO_NOT_COPY_VALUES, &C_empty);
34: MatView(C_empty, PETSC_VIEWER_STDOUT_SELF);
36: MatDestroy(&C);
37: MatDestroy(&C_htransposed);
38: MatDestroy(&Cht);
39: MatDestroy(&C_empty);
40: PetscFinalize();
41: return 0;
42: }
44: /*TEST
46: build:
47: requires: complex
49: test:
50: output_file: output/ex175.out
52: TEST*/