step/trustregion/test_01.cpp

Go to the documentation of this file.

// @HEADER
// ************************************************************************
//
//               Rapid Optimization Library (ROL) Package
//                 Copyright (2014) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact lead developers:
//              Drew Kouri   (dpkouri@sandia.gov) and
//              Denis Ridzal (dridzal@sandia.gov)
//
// ************************************************************************
// @HEADER
 
#include "ROL_OptimizationSolver.hpp"
#include "Teuchos_GlobalMPISession.hpp"
 
#include "ROL_Stream.hpp"
#include "ROL_RandomVector.hpp"
#include "ROL_Rosenbrock.hpp"
#include "ROL_ConicApproximationModel.hpp"
 
#include <iostream>
 
 
int main(int argc, char *argv[]) {
 
  using RealT = double;
  using namespace ROL;
 
  Teuchos::GlobalMPISession mpiSession(&argc, &argv);
 
  // This little trick lets us print to std::cout only if a (dummy) command-line argument is provided.
  auto outStream = makeStreamPtr( std::cout, argc > 1 );
 
  int errorFlag  = 0;
 
  // *** Test body.
 
  try {
 
    ZOO::getRosenbrock<RealT> rosenbrock;
 
    auto x   = rosenbrock.getInitialGuess();
    auto a   = x->clone();
    auto s   = x->clone();
    auto d   = x->clone();
    auto obj = rosenbrock.getObjective();
 
    RandomizeVector( *s );
    RandomizeVector( *a );
    RandomizeVector( *d );
 
    ConicApproximationModel<RealT> conic( obj, x, s, a );
    conic.checkGradient( *x, *d, true, *outStream );
 
  }
  catch (std::logic_error err) {
    *outStream << err.what() << std::endl;
    errorFlag = -1000;
  }; // end try
 
  if (errorFlag != 0)
    std::cout << "End Result: TEST FAILED" << std::endl;
  else
    std::cout << "End Result: TEST PASSED" << std::endl;
 
  return 0;
 
}