1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Demonstrates PetscOptionsPush()/PetscOptionsPop().\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscsys.h> 5c4762a1bSJed Brown #include <petscoptions.h> 6*d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv) 7*d71ae5a4SJacob Faibussowitsch { 8c4762a1bSJed Brown PetscOptions opt1, opt2; 9c4762a1bSJed Brown PetscInt int1, int2; 10c4762a1bSJed Brown PetscBool flg1, flg2, flga, match; 11c4762a1bSJed Brown char str[16]; 12c4762a1bSJed Brown 13327415f7SBarry Smith PetscFunctionBeginUser; 149566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc, &argv, (char *)0, help)); 15c4762a1bSJed Brown 169566063dSJacob Faibussowitsch PetscCall(PetscOptionsCreate(&opt1)); 179566063dSJacob Faibussowitsch PetscCall(PetscOptionsInsertString(opt1, "-testa a")); 189566063dSJacob Faibussowitsch PetscCall(PetscOptionsPush(opt1)); 199566063dSJacob Faibussowitsch PetscCall(PetscOptionsSetValue(NULL, "-test1", "1")); 209566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL, NULL, "-test1", &int1, &flg1)); 21e00437b9SBarry Smith PetscCheck(flg1 && int1 == 1, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Unable to locate option test1 or it has the wrong value"); 229566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-testa", str, sizeof(str), &flga)); 239566063dSJacob Faibussowitsch PetscCall(PetscStrcmp(str, "a", &match)); 24e00437b9SBarry Smith PetscCheck(flga && match, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Unable to locate option testa or it has the wrong value"); 259566063dSJacob Faibussowitsch PetscCall(PetscOptionsCreate(&opt2)); 269566063dSJacob Faibussowitsch PetscCall(PetscOptionsPush(opt2)); 279566063dSJacob Faibussowitsch PetscCall(PetscOptionsSetValue(NULL, "-test2", "2")); 289566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL, NULL, "-test2", &int2, &flg2)); 29e00437b9SBarry Smith PetscCheck(flg2 && int2 == 2, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Unable to locate option test2 or it has the wrong value"); 309566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL, NULL, "-test1", &int1, &flg1)); 3128b400f6SJacob Faibussowitsch PetscCheck(!flg1, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Able to access test1 from a different options database"); 32c4762a1bSJed Brown 339566063dSJacob Faibussowitsch PetscCall(PetscOptionsPop()); 349566063dSJacob Faibussowitsch PetscCall(PetscOptionsPop()); 359566063dSJacob Faibussowitsch PetscCall(PetscOptionsDestroy(&opt2)); 369566063dSJacob Faibussowitsch PetscCall(PetscOptionsDestroy(&opt1)); 379566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 38b122ec5aSJacob Faibussowitsch return 0; 39c4762a1bSJed Brown } 40c4762a1bSJed Brown 41c4762a1bSJed Brown /*TEST 42c4762a1bSJed Brown 43c4762a1bSJed Brown test: 44c4762a1bSJed Brown 45c4762a1bSJed Brown TEST*/ 46