1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Demonstrates PetscOptionsPush()/PetscOptionsPop().\n\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscsys.h> 5c4762a1bSJed Brown #include <petscoptions.h> 6c4762a1bSJed Brown int main(int argc,char **argv) 7c4762a1bSJed Brown { 8c4762a1bSJed Brown PetscErrorCode ierr; 9c4762a1bSJed Brown PetscOptions opt1,opt2; 10c4762a1bSJed Brown PetscInt int1,int2; 11c4762a1bSJed Brown PetscBool flg1,flg2,flga,match; 12c4762a1bSJed Brown char str[16]; 13c4762a1bSJed Brown 14c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 15c4762a1bSJed Brown 165f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsCreate(&opt1)); 175f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsInsertString(opt1,"-testa a")); 185f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsPush(opt1)); 195f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsSetValue(NULL,"-test1","1")); 205f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-test1",&int1,&flg1)); 212c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg1 || int1 != 1,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Unable to locate option test1 or it has the wrong value"); 225f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetString(NULL,NULL,"-testa",str,sizeof(str),&flga)); 235f80ce2aSJacob Faibussowitsch CHKERRQ(PetscStrcmp(str,"a",&match)); 242c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flga|| !match,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Unable to locate option testa or it has the wrong value"); 255f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsCreate(&opt2)); 265f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsPush(opt2)); 275f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsSetValue(NULL,"-test2","2")); 285f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-test2",&int2,&flg2)); 292c71b3e2SJacob Faibussowitsch PetscCheckFalse(!flg2 || int2 != 2,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Unable to locate option test2 or it has the wrong value"); 305f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-test1",&int1,&flg1)); 31*28b400f6SJacob Faibussowitsch PetscCheck(!flg1,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Able to access test1 from a different options database"); 32c4762a1bSJed Brown 335f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsPop()); 345f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsPop()); 355f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsDestroy(&opt2)); 365f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsDestroy(&opt1)); 37c4762a1bSJed Brown ierr = PetscFinalize(); 38c4762a1bSJed Brown return ierr; 39c4762a1bSJed Brown } 40c4762a1bSJed Brown 41c4762a1bSJed Brown /*TEST 42c4762a1bSJed Brown 43c4762a1bSJed Brown test: 44c4762a1bSJed Brown 45c4762a1bSJed Brown TEST*/ 46