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 PetscErrorCode ierr; 12c4762a1bSJed Brown PetscScalar v; 13c4762a1bSJed Brown PC pc; 14c4762a1bSJed Brown Vec xtmp; 15c4762a1bSJed Brown 16c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 17*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_WORLD,&C)); 18*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetSizes(C,PETSC_DECIDE,PETSC_DECIDE,3,3)); 19*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetFromOptions(C)); 20*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetUp(C)); 21*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecCreateSeq(PETSC_COMM_WORLD,3,&xtmp)); 22c4762a1bSJed Brown i = 0; j = 0; v = 4; 23*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 24c4762a1bSJed Brown i = 0; j = 2; v = 1; 25*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 26c4762a1bSJed Brown i = 1; j = 0; v = 1; 27*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 28c4762a1bSJed Brown i = 1; j = 1; v = 4; 29*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 30c4762a1bSJed Brown i = 2; j = 1; v = 1; 31*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(C,1,&i,1,&j,&v,INSERT_VALUES)); 32c4762a1bSJed Brown 33*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyBegin(C,MAT_FINAL_ASSEMBLY)); 34*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyEnd(C,MAT_FINAL_ASSEMBLY)); 35c4762a1bSJed Brown 36*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(C,PETSC_VIEWER_STDOUT_WORLD)); 37*5f80ce2aSJacob Faibussowitsch CHKERRQ(PCCreate(PETSC_COMM_WORLD,&pc)); 38*5f80ce2aSJacob Faibussowitsch CHKERRQ(PCSetFromOptions(pc)); 39*5f80ce2aSJacob Faibussowitsch CHKERRQ(PCSetOperators(pc,C,C)); 40*5f80ce2aSJacob Faibussowitsch CHKERRQ(PCSetUp(pc)); 41*5f80ce2aSJacob Faibussowitsch CHKERRQ(PCFactorGetMatrix(pc,&A)); 42*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 43c4762a1bSJed Brown 44*5f80ce2aSJacob Faibussowitsch CHKERRQ(PCDestroy(&pc)); 45*5f80ce2aSJacob Faibussowitsch CHKERRQ(VecDestroy(&xtmp)); 46*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&C)); 47c4762a1bSJed Brown 48c4762a1bSJed Brown ierr = PetscFinalize(); 49c4762a1bSJed Brown return ierr; 50c4762a1bSJed Brown } 51