Actual source code: test1.c

slepc-3.18.2 2023-01-26
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  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: */
 10: /*
 11:    Demonstrates SlepcInitializeNoArguments()
 12: */

 14: #include <slepcsys.h>

 16: int main(int argc,char **argv)
 17: {
 18:   PetscBool      isInitialized,isFinalized;

 20:   SlepcInitialized(&isInitialized);
 21:   if (!isInitialized) {
 22:     SlepcInitializeNoArguments();
 23:     PetscPrintf(PETSC_COMM_WORLD,"Initialize SLEPc.\n");
 24:     SlepcInitialized(&isInitialized);
 25:     SlepcFinalized(&isFinalized);
 26:     PetscPrintf(PETSC_COMM_WORLD,"SlepcInitialized=%d, SlepcFinalized=%d.\n",(int)isInitialized,(int)isFinalized);
 27:   } else PetscPrintf(PETSC_COMM_WORLD,"SLEPc was already initialized.\n");
 28:   SlepcFinalize();
 29:   SlepcFinalized(&isFinalized);
 30:   if (!isFinalized) printf("Unexpected value: SlepcFinalized() returned False after SlepcFinalize()\n");
 31:   return 0;
 32: }

 34: /*TEST

 36:    test:
 37:       suffix: 1

 39: TEST*/