1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests MatCreateHermitianTranspose().\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown 6*d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 7*d71ae5a4SJacob Faibussowitsch { 8c4762a1bSJed Brown Mat C, C_htransposed, Cht, C_empty; 9c4762a1bSJed Brown PetscInt i, j, m = 10, n = 10; 10c4762a1bSJed Brown PetscScalar v; 11c4762a1bSJed Brown 12327415f7SBarry Smith PetscFunctionBeginUser; 139566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 14c4762a1bSJed Brown /* Create a complex non-hermitian matrix */ 159566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_SELF, &C)); 169566063dSJacob Faibussowitsch PetscCall(MatSetSizes(C, PETSC_DECIDE, PETSC_DECIDE, m, n)); 179566063dSJacob Faibussowitsch PetscCall(MatSetFromOptions(C)); 189566063dSJacob Faibussowitsch PetscCall(MatSetUp(C)); 19c4762a1bSJed Brown for (i = 0; i < m; i++) { 20c4762a1bSJed Brown for (j = 0; j < n; j++) { 21c4762a1bSJed Brown v = 0.0 - 1.0 * PETSC_i; 229566063dSJacob Faibussowitsch if (i > j && i - j < 2) PetscCall(MatSetValues(C, 1, &i, 1, &j, &v, INSERT_VALUES)); 23c4762a1bSJed Brown } 24c4762a1bSJed Brown } 259566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(C, MAT_FINAL_ASSEMBLY)); 269566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(C, MAT_FINAL_ASSEMBLY)); 27c4762a1bSJed Brown 289566063dSJacob Faibussowitsch PetscCall(MatCreateHermitianTranspose(C, &C_htransposed)); 29c4762a1bSJed Brown 309566063dSJacob Faibussowitsch PetscCall(MatView(C, PETSC_VIEWER_STDOUT_SELF)); 319566063dSJacob Faibussowitsch PetscCall(MatDuplicate(C_htransposed, MAT_COPY_VALUES, &Cht)); 329566063dSJacob Faibussowitsch PetscCall(MatView(Cht, PETSC_VIEWER_STDOUT_SELF)); 339566063dSJacob Faibussowitsch PetscCall(MatDuplicate(C_htransposed, MAT_DO_NOT_COPY_VALUES, &C_empty)); 349566063dSJacob Faibussowitsch PetscCall(MatView(C_empty, PETSC_VIEWER_STDOUT_SELF)); 35c4762a1bSJed Brown 369566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C)); 379566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C_htransposed)); 389566063dSJacob Faibussowitsch PetscCall(MatDestroy(&Cht)); 399566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C_empty)); 409566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 41b122ec5aSJacob Faibussowitsch return 0; 42c4762a1bSJed Brown } 43c4762a1bSJed Brown 44c4762a1bSJed Brown /*TEST 45c4762a1bSJed Brown 46c4762a1bSJed Brown build: 47c4762a1bSJed Brown requires: complex 48c4762a1bSJed Brown 49c4762a1bSJed Brown test: 50c4762a1bSJed Brown output_file: output/ex175.out 51c4762a1bSJed Brown 52c4762a1bSJed Brown TEST*/ 53