1: /*
  2:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  3:    SLEPc - Scalable Library for Eigenvalue Problem Computations
  4:    Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain

  6:    This file is part of SLEPc.
  7:    SLEPc is distributed under a 2-clause BSD license (see LICENSE).
  8:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  9: */

 11: static char help[] = "Demonstrates SlepcGetVersionNumber().\n\n";

 13: #include <slepcsys.h>

 15: int main(int argc,char **argv)
 16: {
 17:   char           version[128];
 18:   PetscInt       major,minor,subminor;
 19:   PetscBool      verbose;

 21:   PetscFunctionBeginUser;
 22:   PetscCall(SlepcInitialize(&argc,&argv,NULL,help));
 23:   PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Checking SLEPc version.\n"));

 25:   PetscCall(SlepcGetVersion(version,sizeof(version)));
 26:   PetscCall(PetscOptionsHasName(NULL,NULL,"-verbose",&verbose));
 27:   if (verbose) PetscCall(PetscPrintf(PETSC_COMM_WORLD,"Version information:\n%s\n",version));

 29:   PetscCall(SlepcGetVersionNumber(&major,&minor,&subminor,NULL));
 30:   PetscCheck(major==SLEPC_VERSION_MAJOR,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Library major %" PetscInt_FMT " does not equal include %d",major,SLEPC_VERSION_MAJOR);
 31:   PetscCheck(minor==SLEPC_VERSION_MINOR,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Library minor %" PetscInt_FMT " does not equal include %d",minor,SLEPC_VERSION_MINOR);
 32:   PetscCheck(subminor==SLEPC_VERSION_SUBMINOR,PETSC_COMM_WORLD,PETSC_ERR_PLIB,"Library subminor %" PetscInt_FMT " does not equal include %d",subminor,SLEPC_VERSION_SUBMINOR);

 34:   PetscCall(SlepcFinalize());
 35:   return 0;
 36: }

 38: /*TEST

 40:    test:
 41:       suffix: 1

 43: TEST*/