/Users/kmartin/Documents/files/code/cpp/OScpp/COIN-OS/OS/examples/osTestCode/OSTestCode.cpp

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#include <cppad/cppad.hpp> 
#include "OSConfig.h"
#include "OSCoinSolver.h"
#include "OSResult.h" 
#include "OSiLReader.h"        
#include "OSiLWriter.h"   
#include "OSrLReader.h"          
#include "OSrLWriter.h"      
#include "OSInstance.h"  
#include "OSFileUtil.h"   
#include "OSDefaultSolver.h"  
#include "OSWSUtil.h" 
#include "OSSolverAgent.h"   
#include "OShL.h"     
#include "OSErrorClass.h"
#include "OSmps2osil.h"   
#include "OSBase64.h"
#include "OSCommonUtil.h"
#include "OSErrorClass.h"
#include "OSMathUtil.h"

#include<iostream> 
using std::cout;   
using std::endl;





//int main(int argC, char* argV[]){
int main( ){
// test OS code samples here
        FileUtil *fileUtil = NULL; 
        fileUtil = new FileUtil();
        cout << "Start Building the Model" << endl;
        try{
                OSInstance *osinstance;
                osinstance = new OSInstance();
                //
                // put in some of the OSInstance <instanceHeader> information
                osinstance->setInstanceSource("From Anderson, Sweeney, Williams, and Martin");
                osinstance->setInstanceDescription("The Par Inc. Problem");
                //
                // now put in the OSInstance <instanceData> information
                // 
                // first the variables
                osinstance->setVariableNumber( 2);   
                //addVariable(int index, string name, double lowerBound, double upperBound, char type, double init, string initString);
                // we could use setVariables() and add all the variable with one method call -- below is easier
                osinstance->addVariable(0, "x0", 0, OSDBL_MAX, 'C', OSNAN, "");
                osinstance->addVariable(1, "x1", 0, OSDBL_MAX, 'C', OSNAN, "");
                //
                // now add the objective function
                osinstance->setObjectiveNumber( 1);
                // now the coefficient
                SparseVector *objcoeff;
                objcoeff = new SparseVector(2);   
                objcoeff->indexes[ 0] = 0;
                objcoeff->values[ 0] = 10;
                objcoeff->indexes[ 1] = 1;
                objcoeff->values[ 1] = 9;
                //bool addObjective(int index, string name, string maxOrMin, double constant, double weight, SparseVector* objectiveCoefficients);
                osinstance->addObjective(-1, "objfunction", "max", 0.0, 1.0, objcoeff);
                objcoeff->bDeleteArrays = true;
                delete objcoeff;
                //
                // now the constraints
                osinstance->setConstraintNumber( 4); 
                //bool addConstraint(int index, string name, double lowerBound, double upperBound, double constant);
                // note: we could use setConstraints() and add all the constraints with one method call -- below is easier
                osinstance->addConstraint(0, "row0", -OSDBL_MAX, 630, 0); 
                osinstance->addConstraint(1, "row1", -OSDBL_MAX, 600, 0);
                osinstance->addConstraint(2, "row2", -OSDBL_MAX, 708, 0);
                osinstance->addConstraint(3, "row3", -OSDBL_MAX, 135, 0); 
                //
                //
                // now add the <linearConstraintCoefficients>
                //bool setLinearConstraintCoefficients(int numberOfValues, bool isColumnMajor, 
                //double* values, int valuesBegin, int valuesEnd, 
                //int* indexes, int indexesBegin, int indexesEnd,                       
                //int* starts, int startsBegin, int startsEnd); 
                double *values = new double[ 8];
                int *indexes = new int[ 8];
                int *starts = new int[ 3];  
                values[ 0] = .7;
                values[ 1] = .5;
                values[ 2] = 1.0;
                values[ 3] = .1;
                values[ 4] = 1.0;
                values[ 5] = 5./6.;
                values[ 6] = 2./3.;
                values[ 7] = .25;
                indexes[ 0] = 0;
                indexes[ 1] = 1;
                indexes[ 2] = 2;
                indexes[ 3] = 3;
                indexes[ 4] = 0;
                indexes[ 5] = 1;
                indexes[ 6] = 2;
                indexes[ 7] = 3;
                starts[ 0] = 0;
                starts[ 1] = 4;
                starts[ 2] = 8; 
                cout << "Call setLinearConstraintCoefficients" << endl;
                osinstance->setLinearConstraintCoefficients(8, true, values, 0, 7, 
                        indexes, 0, 7, starts, 0, 2);   
                cout << "End Building the Model" << endl; 
                // Write out the model
                OSiLWriter *osilwriter;
                osilwriter = new OSiLWriter();
                cout << osilwriter->writeOSiL( osinstance);
                // done writing the model
                cout << "Done writing the Model" << endl;
                // now solve the model
                CoinSolver *solver  = NULL;
                solver = new CoinSolver();
                solver->osinstance = osinstance;
                solver->sSolverName ="clp"; 
                cout << "call the COIN - Clp Solver" << endl;
                // we want a fractional solution
                //osinstance->instanceData->constraints->con[0]->ub = 620;
                solver->buildSolverInstance();
                solver->solve();
                std::cout << solver->osrl << std::endl;

                // do garbage collection
                delete osinstance;
                osinstance = NULL;
                delete osilwriter;
                osilwriter = NULL;
                cout << "Done with garbage collection" << endl;
                return 0;
        }
        catch(const ErrorClass& eclass){
                delete fileUtil;
                std::cout << eclass.errormsg <<  std::endl;
                return 0;
        } 
}// end main

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