1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Tests the creation of a PC context.\n\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown #include <petscpc.h> 5*c4762a1bSJed Brown 6*c4762a1bSJed Brown int main(int argc,char **args) 7*c4762a1bSJed Brown { 8*c4762a1bSJed Brown PC pc; 9*c4762a1bSJed Brown PetscErrorCode ierr; 10*c4762a1bSJed Brown PetscInt n = 5; 11*c4762a1bSJed Brown Mat mat; 12*c4762a1bSJed Brown 13*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 14*c4762a1bSJed Brown ierr = PCCreate(PETSC_COMM_WORLD,&pc);CHKERRQ(ierr); 15*c4762a1bSJed Brown ierr = PCSetType(pc,PCNONE);CHKERRQ(ierr); 16*c4762a1bSJed Brown 17*c4762a1bSJed Brown /* Vector and matrix must be set before calling PCSetUp */ 18*c4762a1bSJed Brown ierr = MatCreateSeqAIJ(PETSC_COMM_SELF,n,n,3,NULL,&mat);CHKERRQ(ierr); 19*c4762a1bSJed Brown ierr = MatAssemblyBegin(mat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 20*c4762a1bSJed Brown ierr = MatAssemblyEnd(mat,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 21*c4762a1bSJed Brown ierr = PCSetOperators(pc,mat,mat);CHKERRQ(ierr); 22*c4762a1bSJed Brown ierr = PCSetUp(pc);CHKERRQ(ierr); 23*c4762a1bSJed Brown ierr = MatDestroy(&mat);CHKERRQ(ierr); 24*c4762a1bSJed Brown ierr = PCDestroy(&pc);CHKERRQ(ierr); 25*c4762a1bSJed Brown ierr = PetscFinalize(); 26*c4762a1bSJed Brown return ierr; 27*c4762a1bSJed Brown } 28*c4762a1bSJed Brown 29*c4762a1bSJed Brown 30*c4762a1bSJed Brown 31*c4762a1bSJed Brown 32*c4762a1bSJed Brown 33*c4762a1bSJed Brown /*TEST 34*c4762a1bSJed Brown 35*c4762a1bSJed Brown test: 36*c4762a1bSJed Brown 37*c4762a1bSJed Brown TEST*/ 38