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*/