1 static char help[] = "Demonstrates PetscGetVersonNumber().\n\n"; 2 3 #include <petscsys.h> 4 int main(int argc, char **argv) 5 { 6 char version[128]; 7 PetscInt major, minor, subminor; 8 9 /* 10 Every PETSc routine should begin with the PetscInitialize() routine. 11 argc, argv - These command line arguments are taken to extract the options 12 supplied to PETSc and options supplied to MPI. 13 help - When PETSc executable is invoked with the option -help, 14 it prints the various options that can be applied at 15 runtime. The user can use the "help" variable place 16 additional help messages in this printout. 17 */ 18 PetscFunctionBeginUser; 19 PetscCall(PetscInitialize(&argc, &argv, (char *)0, help)); 20 PetscCall(PetscGetVersion(version, sizeof(version))); 21 22 PetscCall(PetscGetVersionNumber(&major, &minor, &subminor, NULL)); 23 PetscCheck(major == PETSC_VERSION_MAJOR, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Library major %d does not equal include %d", (int)major, PETSC_VERSION_MAJOR); 24 PetscCheck(minor == PETSC_VERSION_MINOR, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Library minor %d does not equal include %d", (int)minor, PETSC_VERSION_MINOR); 25 PetscCheck(subminor == PETSC_VERSION_SUBMINOR, PETSC_COMM_SELF, PETSC_ERR_PLIB, "Library subminor %d does not equal include %d", (int)subminor, PETSC_VERSION_SUBMINOR); 26 27 PetscCall(PetscFinalize()); 28 return 0; 29 } 30 31 /*TEST 32 33 test: 34 35 TEST*/ 36