1: static char help[] = "Reads a PETSc vector from a socket connection, then sends it back within a loop 1000 times. Works with ex42.m or ex42a.c\n"; 3: #include <petscvec.h> 5: int main(int argc, char **args) 6: { 7: Vec b; 8: PetscViewer fd; /* viewer */ 9: PetscInt i; 11: PetscFunctionBeginUser; 12: PetscCall(PetscInitialize(&argc, &args, (char *)0, help)); 13: fd = PETSC_VIEWER_SOCKET_WORLD; 15: for (i = 0; i < 1000; i++) { 16: PetscCall(VecCreate(PETSC_COMM_WORLD, &b)); 17: PetscCall(VecLoad(b, fd)); 18: PetscCall(VecView(b, fd)); 19: PetscCall(VecDestroy(&b)); 20: } 21: PetscCall(PetscFinalize()); 22: return 0; 23: }