2: static char help[] = "Demonstrates PetscGetVersonNumber().\n\n";

  4: /*T
  5:    Concepts: introduction to PETSc;
  6:    Processors: n
  7: T*/

  9:  #include <petscsys.h>
 10: int main(int argc,char **argv)
 11: {
 13:   char           version[128];
 14:   PetscInt       major,minor,subminor;

 16:   /*
 17:     Every PETSc routine should begin with the PetscInitialize() routine.
 18:     argc, argv - These command line arguments are taken to extract the options
 19:                  supplied to PETSc and options supplied to MPI.
 20:     help       - When PETSc executable is invoked with the option -help,
 21:                  it prints the various options that can be applied at
 22:                  runtime.  The user can use the "help" variable place
 23:                  additional help messages in this printout.
 24:   */
 25:   PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
 26:   PetscGetVersion(version,sizeof(version));

 28:   PetscGetVersionNumber(&major,&minor,&subminor,NULL);
 29:   if (major != PETSC_VERSION_MAJOR) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Library major %d does not equal include %d",(int)major,PETSC_VERSION_MAJOR);
 30:   if (minor != PETSC_VERSION_MINOR) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Library minor %d does not equal include %d",(int)minor,PETSC_VERSION_MINOR);
 31:   if (subminor != PETSC_VERSION_SUBMINOR) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_PLIB,"Library subminor %d does not equal include %d",(int)subminor,PETSC_VERSION_SUBMINOR);

 33:   PetscFinalize();
 34:   return ierr;
 35: }


 38: /*TEST

 40:    test:

 42: TEST*/