1c4762a1bSJed Brown static char help[] = "Test MatNullSpaceTest() with options prefixes.\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscmat.h> 4c4762a1bSJed Brown 5c4762a1bSJed Brown int main(int argc, char **argv) 6c4762a1bSJed Brown { 7c4762a1bSJed Brown Mat mat; 8c4762a1bSJed Brown MatNullSpace nsp; 9c4762a1bSJed Brown PetscBool prefix = PETSC_FALSE, flg; 10c4762a1bSJed Brown PetscErrorCode ierr; 11c4762a1bSJed Brown PetscInt zero = 0; 12c4762a1bSJed Brown PetscScalar value = 0; 13c4762a1bSJed Brown ierr = PetscInitialize(&argc, &argv, NULL, help); if (ierr) return ierr; 14c4762a1bSJed Brown 155f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetBool(NULL, NULL, "-with_prefix",&prefix,NULL)); 165f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateDense(PETSC_COMM_WORLD, 1, 1, 1, 1, NULL, &mat)); 175f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetOptionsPrefix(mat, prefix ? "prefix_" : NULL)); 185f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetUp(mat)); 195f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(mat, 1, &zero, 1, &zero, &value, INSERT_VALUES)); 205f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyBegin(mat, MAT_FINAL_ASSEMBLY)); 215f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyEnd(mat, MAT_FINAL_ASSEMBLY)); 225f80ce2aSJacob Faibussowitsch CHKERRQ(MatNullSpaceCreate(PETSC_COMM_WORLD, PETSC_TRUE, 0, NULL, &nsp)); 235f80ce2aSJacob Faibussowitsch CHKERRQ(MatNullSpaceTest(nsp, mat, &flg)); 24*28b400f6SJacob Faibussowitsch PetscCheck(flg,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Null space test failed!"); 255f80ce2aSJacob Faibussowitsch CHKERRQ(MatNullSpaceDestroy(&nsp)); 265f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&mat)); 27c4762a1bSJed Brown ierr = PetscFinalize(); 28c4762a1bSJed Brown return ierr; 29c4762a1bSJed Brown } 30c4762a1bSJed Brown 31c4762a1bSJed Brown /*TEST 32c4762a1bSJed Brown 33c4762a1bSJed Brown test: 34c4762a1bSJed Brown suffix: no_prefix 35c4762a1bSJed Brown output_file: output/ex227_no_prefix.out 36c4762a1bSJed Brown args: -mat_null_space_test_view -mat_view 37c4762a1bSJed Brown 38c4762a1bSJed Brown test: 39c4762a1bSJed Brown suffix: prefix 40c4762a1bSJed Brown output_file: output/ex227_prefix.out 41c4762a1bSJed Brown args: -prefix_mat_null_space_test_view -with_prefix -prefix_mat_view 42c4762a1bSJed Brown 43c4762a1bSJed Brown TEST*/ 44