Actual source code: ex20.c
2: static char help[] = "Demonstrates PetscOptionsPush()/PetscOptionsPop().\n\n";
4: #include <petscsys.h>
5: #include <petscoptions.h>
6: int main(int argc, char **argv)
7: {
8: PetscOptions opt1, opt2;
9: PetscInt int1, int2;
10: PetscBool flg1, flg2, flga, match;
11: char str[16];
14: PetscInitialize(&argc, &argv, (char *)0, help);
16: PetscOptionsCreate(&opt1);
17: PetscOptionsInsertString(opt1, "-testa a");
18: PetscOptionsPush(opt1);
19: PetscOptionsSetValue(NULL, "-test1", "1");
20: PetscOptionsGetInt(NULL, NULL, "-test1", &int1, &flg1);
22: PetscOptionsGetString(NULL, NULL, "-testa", str, sizeof(str), &flga);
23: PetscStrcmp(str, "a", &match);
25: PetscOptionsCreate(&opt2);
26: PetscOptionsPush(opt2);
27: PetscOptionsSetValue(NULL, "-test2", "2");
28: PetscOptionsGetInt(NULL, NULL, "-test2", &int2, &flg2);
30: PetscOptionsGetInt(NULL, NULL, "-test1", &int1, &flg1);
33: PetscOptionsPop();
34: PetscOptionsPop();
35: PetscOptionsDestroy(&opt2);
36: PetscOptionsDestroy(&opt1);
37: PetscFinalize();
38: return 0;
39: }
41: /*TEST
43: test:
45: TEST*/