//$Id:
//Matthew Galati - magh@lehigh.edu


/*-------------------------------------------------------------------------*/

#ifdef _WIN32
#define DLL
#endif

#include "License.h"

#ifdef COIN_USE_XPR
#include <OsiXprSolverInterface.hpp>
#include <xpresso.h>
typedef OsiXprSolverInterface OsiXxxSolverInterface;
#endif

#ifdef COIN_USE_CPX
#include <OsiCpxSolverInterface.hpp>
typedef OsiCpxSolverInterface OsiXxxSolverInterface;
#endif

#include <iostream>
using namespace std;


void printSolution(OsiXxxSolverInterface* si) {
   const double * solution = si->getColSolution();
    const double objective_value = si->getObjValue();

    cout << "\nThe optimal solution is" << endl;
	for (int i = 0; i < si->getNumCols(); i++) {
		if (solution[i] != 0)
			cout << "  " << solution[i];
	}
	cout << "\n with objective value = " << objective_value << endl;
}

/*-------------------------------------------------------------------------*/
int main(int argc, char* argv[]){
	getLicense();
  try{
    OsiXxxSolverInterface* si = new OsiXxxSolverInterface();
	si->readMps("fail");
	si->initialSolve();
	
	printSolution(si);
	for (int i = 0; i < si->getNumCols(); i++) {
		si->setInteger(i);
	}
	si->branchAndBound();
	printSolution(si);
	si->initialSolve();
	printSolution(si);

	delete si;
  }
  catch(CoinError & ex){
    cerr << "Exception:" << ex.message() << endl 
	 << " from method " << ex.methodName() << endl
	 << " from class " << ex.className() << endl; 
  };

  return 0;
}