2: /* Program usage:  mpiexec ex1 [-help] [all PETSc options] */

  4: static char help[] = "Demonstrates using PetscWebServe().\nRun with -ams_publish_objects\n\n";

  6: /*T
  7:    Concepts: introduction to PETSc;
  8:    Concepts: printing^in parallel
  9:    Processors: n
 10: T*/
 11: 
 12: #include <petscsys.h>
 13: #include <petscksp.h>
 14: int main(int argc,char **argv)
 15: {
 17:   PetscRandom    rand1,rand2;

 19:   /*
 20:     Every PETSc routine should begin with the PetscInitialize() routine.
 21:     argc, argv - These command line arguments are taken to extract the options
 22:                  supplied to PETSc and options supplied to MPI.
 23:     help       - When PETSc executable is invoked with the option -help, 
 24:                  it prints the various options that can be applied at 
 25:                  runtime.  The user can use the "help" variable place
 26:                  additional help messages in this printout.
 27:   */
 28:   PetscInitialize(&argc,&argv,(char *)0,help);
 29:   PetscRandomCreate(PETSC_COMM_WORLD,&rand1);
 30:   PetscRandomSetFromOptions(rand1);
 31:   PetscRandomCreate(PETSC_COMM_WORLD,&rand2);
 32:   PetscRandomSetFromOptions(rand2);
 33: #if defined(PETSC_USE_SERVER)
 34:   PetscPrintf(PETSC_COMM_WORLD,"Starting up PetscWebServe()\n");
 35:   PetscWebServe(PETSC_COMM_WORLD,PETSC_DEFAULT);
 36:   while (1) {;}
 37: #endif
 38:   PetscRandomDestroy(&rand1);
 39:   PetscRandomDestroy(&rand2);
 40:   /*
 41:      Always call PetscFinalize() before exiting a program.  This routine
 42:        - finalizes the PETSc libraries as well as MPI
 43:        - provides summary and diagnostic information if certain runtime
 44:          options are chosen (e.g., -log_summary).  See PetscFinalize()
 45:      manpage for more information.
 46:   */
 47:   PetscFinalize();
 48:   return 0;
 49: }