Actual source code: ex7.c

  1: static char help[] = "Tests PetscSortIntWithPermutation().\n\n";

  3: #include <petscsys.h>

  5: int main(int argc, char **argv)
  6: {
  7:   PetscInt i;
  8:   PetscInt x[]  = {39, 9, 39, 39, 29}, index[5];
  9:   PetscInt x2[] = {39, 9, 19, 39, 29, 39, 29, 39}, index2[8];

 11:   PetscFunctionBeginUser;
 12:   PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
 13:   PetscCall(PetscPrintf(PETSC_COMM_SELF, "1st test\n"));
 14:   for (i = 0; i < 5; i++) index[i] = i;
 15:   PetscCall(PetscSortIntWithPermutation(5, x, index));
 16:   for (i = 0; i < 5; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n", x[i], index[i], x[index[i]]));

 18:   PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n2nd test\n"));
 19:   for (i = 0; i < 8; i++) index2[i] = i;
 20:   PetscCall(PetscSortIntWithPermutation(8, x2, index2));
 21:   for (i = 0; i < 8; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n", x2[i], index2[i], x2[index2[i]]));
 22:   PetscCall(PetscFinalize());
 23:   return 0;
 24: }

 26: /*TEST

 28:    test:

 30: TEST*/