vector/test_06.cpp

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#include "ROL_ProfiledVector.hpp"
#include "ROL_StdVector.hpp"
#include "ROL_Zakharov.hpp"
#include "ROL_Algorithm.hpp" 


#include "Teuchos_XMLParameterListHelpers.hpp"
#include "Teuchos_oblackholestream.hpp"
#include "Teuchos_GlobalMPISession.hpp"

typedef int    OrdinalT;
typedef double RealT;

template<>
ROL::VectorFunctionCalls<int> 
ROL::ProfiledVector<int,RealT>::functionCalls_ = ROL::VectorFunctionCalls<int>();

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

  using Teuchos::RCP; using Teuchos::rcp;
  using Teuchos::ParameterList;

  typedef std::vector<RealT>                  vector;

  typedef ROL::Vector<RealT>                  V;
  typedef ROL::StdVector<RealT>               SV; 

  Teuchos::GlobalMPISession mpiSession(&argc, &argv,0);

  int iprint     = argc - 1;
  Teuchos::RCP<std::ostream> outStream;
  Teuchos::oblackholestream bhs; // outputs nothing
  if (iprint > 0)
    outStream = Teuchos::rcp(&std::cout, false);
  else
    outStream = Teuchos::rcp(&bhs, false);

  int errorFlag = 0;

  try {
    // Dimension of the optimization vector
    int dim = 10; 

    RCP<ParameterList> parlist = rcp(new ParameterList());
    std::string paramfile = "parameters.xml";
    updateParametersFromXmlFile(paramfile,parlist.ptr());

    // Define algorithm.
    ROL::Algorithm<RealT> algo("Trust-Region",*parlist);    

    RCP<vector> x_rcp = rcp( new vector(dim,1.0) );
    RCP<vector> k_rcp = rcp( new vector(dim) );

    for(int i=0;i<dim;++i) {  
      (*k_rcp)[i] = 1.0 + i;
    }

    RCP<V> xs = rcp( new SV(x_rcp) );
    RCP<V> ks = rcp( new SV(k_rcp) );

    // Create ProfiledVector objects
    ROL::ProfiledVector<int,RealT> xpf(xs);
    RCP<V> kpf = rcp( new ROL::ProfiledVector<int,RealT>(ks) );

    ROL::ZOO::Objective_Zakharov<RealT> obj(kpf);    

    // Run algorithm.
    algo.run(xpf, obj, true, *outStream);

    // Display number of function calls
    ROL::printVectorFunctionCalls(xpf, *outStream);
  }

  catch (std::logic_error err) {
    *outStream << err.what() << "\n";
    errorFlag = -1000;
  }; // end try

  if (errorFlag != 0)
    std::cout << "End Result: TEST FAILED\n";
  else
    std::cout << "End Result: TEST PASSED\n";

  return 0;
}