ExampleNLPDirectMain.cpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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#include <assert.h>

#include <fstream>
#include <fstream>
#include <iostream>
#include <iomanip>

#include "NLPInterfacePack_ExampleNLPDirectRun.hpp"
#include "AbstractLinAlgPack_exampleNLPDiagSetup.hpp"
#include "AbstractLinAlgPack_VectorSpace.hpp"
#include "Teuchos_Workspace.hpp"
#include "Teuchos_oblackholestream.hpp"

int main( int argc, char* argv[] ) {

  using std::endl;
  using std::setw;
  namespace mmp = MemMngPack;
  using Teuchos::RCP;
  typedef AbstractLinAlgPack::size_type size_type;
  typedef AbstractLinAlgPack::value_type value_type;
  namespace NLPIP = NLPInterfacePack;
  namespace rsqp = MoochoPack;
  using rsqp::MoochoSolver;

  using AbstractLinAlgPack::VectorSpace;

  using Teuchos::Workspace;
  Teuchos::WorkspaceStore* wss = Teuchos::get_default_workspace_store().get();

  int err = 0;

/*
  // Print out the input arguments
  printf("argc = %d\n",argc);
  {for( int i = 0; i < argc; ++i) {
    printf("argv[%d] = %s\n",i,argv[i]);
  }}
*/
  // Get an idea of what processors we have.
  MPI_Init(&argc,&argv);
  int num_proc, proc_rank;
  MPI_Comm_size( MPI_COMM_WORLD, &num_proc );
  MPI_Comm_rank( MPI_COMM_WORLD, &proc_rank );
/*
  // Print out the input arguments
  printf("\nproc_rank = %d\n",proc_rank);
  printf("argc = %d\n",argc);
  {for( int i = 0; i < argc; ++i) {
    printf("argv[%d] = %s\n",i,argv[i]);
  }}
*/

  // Define program return values
  const int
    PROG_SUCCESS        =  0,
    PROG_NLP_TEST_ERR     = -1,
    PROG_EXCEPTION        = -2,
    PROG_MAX_ITER_EXEEDED   = -3,
    PROG_MAX_TIME_EXEEDED   = -4;

  int prog_return = PROG_SUCCESS;

  // Set the output stream
  std::ostream &out  = std::cout;
  std::ostream &eout = std::cerr;
  Teuchos::oblackholestream  blackhole;

  try {
  
    //
    // Initialize stuff
    //

    size_type n;
    value_type xo;
    bool has_bounds;
    bool dep_bounded;
    
    VectorSpace::space_ptr_t    vec_space;
    const int err = AbstractLinAlgPack::exampleNLPDiagSetup(argc,argv,MPI_COMM_WORLD,&vec_space,&n,&xo,&has_bounds,&dep_bounded);
    if(err) return err;
    
    // Create and test the NLP using this vector space object
    const MoochoSolver::ESolutionStatus
      solve_return = NLPIP::ExampleNLPDirectRun(
        *vec_space, xo, has_bounds, dep_bounded
        ,proc_rank == 0 ? &out  : &blackhole  // console_out
        ,proc_rank == 0 ? &eout : &blackhole  // error_out
        ,proc_rank == 0 ? false : true        // throw_solve_exception
        ,proc_rank == 0 ? NULL  : &blackhole  // algo_out
        ,proc_rank == 0 ? NULL  : &blackhole  // summary_out
        ,proc_rank == 0 ? NULL  : &blackhole  // journal_out
        );
    
    switch(solve_return) {
      case MoochoSolver::SOLVE_RETURN_SOLVED:
        prog_return = PROG_SUCCESS;
        break;
      case MoochoSolver::SOLVE_RETURN_MAX_ITER:
        prog_return = PROG_MAX_ITER_EXEEDED;
        break;
      case MoochoSolver::SOLVE_RETURN_MAX_RUN_TIME:
        prog_return = PROG_MAX_TIME_EXEEDED;
        break;
      case MoochoSolver::SOLVE_RETURN_NLP_TEST_FAILED:
        prog_return = PROG_NLP_TEST_ERR;
        break;
      case MoochoSolver::SOLVE_RETURN_EXCEPTION:
        prog_return = PROG_EXCEPTION;
        break;
      default:
        TEUCHOS_TEST_FOR_EXCEPT(true);
    }
    
  } // end try
  catch(const std::exception& excpt) {
    eout << "\nCaught a std::exception on process " << proc_rank<< ": " << excpt.what() << endl;
    prog_return = PROG_EXCEPTION;
  }
  catch(...) {
    eout << "\nCaught an unknown exception on process " << proc_rank<< "\n";
    prog_return = PROG_EXCEPTION;
  }

   MPI_Finalize();

  return prog_return;
}