1 2 static char help[] = "Tests the creation of a PC context.\n\n"; 3 4 #include <petscpc.h> 5 6 int main(int argc,char **args) 7 { 8 PC pc; 9 PetscInt n = 5; 10 Mat mat; 11 12 CHKERRQ(PetscInitialize(&argc,&args,(char*)0,help)); 13 CHKERRQ(PCCreate(PETSC_COMM_WORLD,&pc)); 14 CHKERRQ(PCSetType(pc,PCNONE)); 15 16 /* Vector and matrix must be set before calling PCSetUp */ 17 CHKERRQ(MatCreateSeqAIJ(PETSC_COMM_SELF,n,n,3,NULL,&mat)); 18 CHKERRQ(MatAssemblyBegin(mat,MAT_FINAL_ASSEMBLY)); 19 CHKERRQ(MatAssemblyEnd(mat,MAT_FINAL_ASSEMBLY)); 20 CHKERRQ(PCSetOperators(pc,mat,mat)); 21 CHKERRQ(PCSetUp(pc)); 22 CHKERRQ(MatDestroy(&mat)); 23 CHKERRQ(PCDestroy(&pc)); 24 CHKERRQ(PetscFinalize()); 25 return 0; 26 } 27 28 /*TEST 29 30 test: 31 32 TEST*/ 33