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 7c4762a1bSJed Brown int main(int argc,char **args) 8c4762a1bSJed Brown { 9c4762a1bSJed Brown Mat C,A; 10c4762a1bSJed Brown PetscInt i,j; 11c4762a1bSJed Brown PetscScalar v; 12c4762a1bSJed Brown PC pc; 13c4762a1bSJed Brown Vec xtmp; 14c4762a1bSJed Brown 15*327415f7SBarry 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)); 22c4762a1bSJed Brown i = 0; j = 0; v = 4; 239566063dSJacob Faibussowitsch PetscCall(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 24c4762a1bSJed Brown i = 0; j = 2; v = 1; 259566063dSJacob Faibussowitsch PetscCall(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 26c4762a1bSJed Brown i = 1; j = 0; v = 1; 279566063dSJacob Faibussowitsch PetscCall(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 28c4762a1bSJed Brown i = 1; j = 1; v = 4; 299566063dSJacob Faibussowitsch PetscCall(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 30c4762a1bSJed Brown i = 2; j = 1; v = 1; 319566063dSJacob Faibussowitsch PetscCall(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 32c4762a1bSJed Brown 339566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(C,MAT_FINAL_ASSEMBLY)); 349566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(C,MAT_FINAL_ASSEMBLY)); 35c4762a1bSJed Brown 369566063dSJacob Faibussowitsch PetscCall(MatView(C,PETSC_VIEWER_STDOUT_WORLD)); 379566063dSJacob Faibussowitsch PetscCall(PCCreate(PETSC_COMM_WORLD,&pc)); 389566063dSJacob Faibussowitsch PetscCall(PCSetFromOptions(pc)); 399566063dSJacob Faibussowitsch PetscCall(PCSetOperators(pc,C,C)); 409566063dSJacob Faibussowitsch PetscCall(PCSetUp(pc)); 419566063dSJacob Faibussowitsch PetscCall(PCFactorGetMatrix(pc,&A)); 429566063dSJacob Faibussowitsch PetscCall(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 43c4762a1bSJed Brown 449566063dSJacob Faibussowitsch PetscCall(PCDestroy(&pc)); 459566063dSJacob Faibussowitsch PetscCall(VecDestroy(&xtmp)); 469566063dSJacob Faibussowitsch PetscCall(MatDestroy(&C)); 47c4762a1bSJed Brown 489566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 49b122ec5aSJacob Faibussowitsch return 0; 50c4762a1bSJed Brown } 51