1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests MatILUFactorSymbolic() on matrix with missing diagonal.\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown #include <petscpc.h> 6c4762a1bSJed Brown 7*d71ae5a4SJacob Faibussowitsch int main(int argc, char **args) 8*d71ae5a4SJacob Faibussowitsch { 9c4762a1bSJed Brown Mat C, A; 10c4762a1bSJed Brown PetscInt i, j; 11c4762a1bSJed Brown PetscScalar v; 12c4762a1bSJed Brown PC pc; 13c4762a1bSJed Brown Vec xtmp; 14c4762a1bSJed Brown 15327415f7SBarry Smith PetscFunctionBeginUser; 169566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 179566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD, &C)); 189566063dSJacob Faibussowitsch PetscCall(MatSetSizes(C, PETSC_DECIDE, PETSC_DECIDE, 3, 3)); 199566063dSJacob Faibussowitsch PetscCall(MatSetFromOptions(C)); 209566063dSJacob Faibussowitsch PetscCall(MatSetUp(C)); 219566063dSJacob Faibussowitsch PetscCall(VecCreateSeq(PETSC_COMM_WORLD, 3, &xtmp)); 229371c9d4SSatish Balay i = 0; 239371c9d4SSatish Balay j = 0; 249371c9d4SSatish Balay v = 4; 259566063dSJacob Faibussowitsch PetscCall(MatSetValues(C, 1, &i, 1, &j, &v, INSERT_VALUES)); 269371c9d4SSatish Balay i = 0; 279371c9d4SSatish Balay j = 2; 289371c9d4SSatish Balay v = 1; 299566063dSJacob Faibussowitsch PetscCall(MatSetValues(C, 1, &i, 1, &j, &v, INSERT_VALUES)); 309371c9d4SSatish Balay i = 1; 319371c9d4SSatish Balay j = 0; 329371c9d4SSatish Balay v = 1; 339566063dSJacob Faibussowitsch PetscCall(MatSetValues(C, 1, &i, 1, &j, &v, INSERT_VALUES)); 349371c9d4SSatish Balay i = 1; 359371c9d4SSatish Balay j = 1; 369371c9d4SSatish Balay v = 4; 379566063dSJacob Faibussowitsch PetscCall(MatSetValues(C, 1, &i, 1, &j, &v, INSERT_VALUES)); 389371c9d4SSatish Balay i = 2; 399371c9d4SSatish Balay j = 1; 409371c9d4SSatish Balay v = 1; 419566063dSJacob Faibussowitsch PetscCall(MatSetValues(C, 1, &i, 1, &j, &v, INSERT_VALUES)); 42c4762a1bSJed Brown 439566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(C, MAT_FINAL_ASSEMBLY)); 449566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(C, MAT_FINAL_ASSEMBLY)); 45c4762a1bSJed Brown 469566063dSJacob Faibussowitsch PetscCall(MatView(C, PETSC_VIEWER_STDOUT_WORLD)); 479566063dSJacob Faibussowitsch PetscCall(PCCreate(PETSC_COMM_WORLD, &pc)); 489566063dSJacob Faibussowitsch PetscCall(PCSetFromOptions(pc)); 499566063dSJacob Faibussowitsch PetscCall(PCSetOperators(pc, C, C)); 509566063dSJacob Faibussowitsch PetscCall(PCSetUp(pc)); 519566063dSJacob Faibussowitsch PetscCall(PCFactorGetMatrix(pc, &A)); 529566063dSJacob Faibussowitsch PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD)); 53c4762a1bSJed Brown 549566063dSJacob Faibussowitsch PetscCall(PCDestroy(&pc)); 559566063dSJacob Faibussowitsch PetscCall(VecDestroy(&xtmp)); 569566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C)); 57c4762a1bSJed Brown 589566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 59b122ec5aSJacob Faibussowitsch return 0; 60c4762a1bSJed Brown } 61