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*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscInitialize(&argc,&args,(char*)0,help)); 165f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD,&C)); 175f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetSizes(C,PETSC_DECIDE,PETSC_DECIDE,3,3)); 185f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetFromOptions(C)); 195f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetUp(C)); 205f80ce2aSJacob Faibussowitsch CHKERRQ(VecCreateSeq(PETSC_COMM_WORLD,3,&xtmp)); 21c4762a1bSJed Brown i = 0; j = 0; v = 4; 225f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 23c4762a1bSJed Brown i = 0; j = 2; v = 1; 245f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 25c4762a1bSJed Brown i = 1; j = 0; v = 1; 265f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 27c4762a1bSJed Brown i = 1; j = 1; v = 4; 285f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 29c4762a1bSJed Brown i = 2; j = 1; v = 1; 305f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 31c4762a1bSJed Brown 325f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyBegin(C,MAT_FINAL_ASSEMBLY)); 335f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyEnd(C,MAT_FINAL_ASSEMBLY)); 34c4762a1bSJed Brown 355f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(C,PETSC_VIEWER_STDOUT_WORLD)); 365f80ce2aSJacob Faibussowitsch CHKERRQ(PCCreate(PETSC_COMM_WORLD,&pc)); 375f80ce2aSJacob Faibussowitsch CHKERRQ(PCSetFromOptions(pc)); 385f80ce2aSJacob Faibussowitsch CHKERRQ(PCSetOperators(pc,C,C)); 395f80ce2aSJacob Faibussowitsch CHKERRQ(PCSetUp(pc)); 405f80ce2aSJacob Faibussowitsch CHKERRQ(PCFactorGetMatrix(pc,&A)); 415f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 42c4762a1bSJed Brown 435f80ce2aSJacob Faibussowitsch CHKERRQ(PCDestroy(&pc)); 445f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&xtmp)); 455f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&C)); 46c4762a1bSJed Brown 47*b122ec5aSJacob Faibussowitsch CHKERRQ(PetscFinalize()); 48*b122ec5aSJacob Faibussowitsch return 0; 49c4762a1bSJed Brown } 50