1c4762a1bSJed Brown static char help[] = "Demonstrates PetscOptionsPush()/PetscOptionsPop().\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscsys.h> 4c4762a1bSJed Brown #include <petscoptions.h> 5d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv) 6d71ae5a4SJacob Faibussowitsch { 7c4762a1bSJed Brown PetscOptions opt1, opt2; 8c4762a1bSJed Brown PetscInt int1, int2; 9c4762a1bSJed Brown PetscBool flg1, flg2, flga, match; 10c4762a1bSJed Brown char str[16]; 11c4762a1bSJed Brown 12327415f7SBarry Smith PetscFunctionBeginUser; 13c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 14c4762a1bSJed Brown 159566063dSJacob Faibussowitsch PetscCall(PetscOptionsCreate(&opt1)); 169566063dSJacob Faibussowitsch PetscCall(PetscOptionsInsertString(opt1, "-testa a")); 179566063dSJacob Faibussowitsch PetscCall(PetscOptionsPush(opt1)); 189566063dSJacob Faibussowitsch PetscCall(PetscOptionsSetValue(NULL, "-test1", "1")); 199566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL, NULL, "-test1", &int1, &flg1)); 20e00437b9SBarry Smith PetscCheck(flg1 && int1 == 1, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Unable to locate option test1 or it has the wrong value"); 219566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetString(NULL, NULL, "-testa", str, sizeof(str), &flga)); 229566063dSJacob Faibussowitsch PetscCall(PetscStrcmp(str, "a", &match)); 23e00437b9SBarry Smith PetscCheck(flga && match, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Unable to locate option testa or it has the wrong value"); 249566063dSJacob Faibussowitsch PetscCall(PetscOptionsCreate(&opt2)); 259566063dSJacob Faibussowitsch PetscCall(PetscOptionsPush(opt2)); 269566063dSJacob Faibussowitsch PetscCall(PetscOptionsSetValue(NULL, "-test2", "2")); 279566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL, NULL, "-test2", &int2, &flg2)); 28e00437b9SBarry Smith PetscCheck(flg2 && int2 == 2, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Unable to locate option test2 or it has the wrong value"); 299566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL, NULL, "-test1", &int1, &flg1)); 3028b400f6SJacob Faibussowitsch PetscCheck(!flg1, PETSC_COMM_WORLD, PETSC_ERR_PLIB, "Able to access test1 from a different options database"); 31c4762a1bSJed Brown 329566063dSJacob Faibussowitsch PetscCall(PetscOptionsPop()); 339566063dSJacob Faibussowitsch PetscCall(PetscOptionsPop()); 349566063dSJacob Faibussowitsch PetscCall(PetscOptionsDestroy(&opt2)); 359566063dSJacob Faibussowitsch PetscCall(PetscOptionsDestroy(&opt1)); 369566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 37b122ec5aSJacob Faibussowitsch return 0; 38c4762a1bSJed Brown } 39c4762a1bSJed Brown 40c4762a1bSJed Brown /*TEST 41c4762a1bSJed Brown 42c4762a1bSJed Brown test: 43*3886731fSPierre Jolivet output_file: output/empty.out 44c4762a1bSJed Brown 45c4762a1bSJed Brown TEST*/ 46