/*
 * Linear Solver Toolbox for Scilab using CLP library
 * Authors :
	Guru Pradeep Reddy
    Bhanu Priya Sayal

* Optimizing (minimizing) the linear objective function having any number of 
  variables and linear constraints(equality/inequality).
 *
*/

#ifndef __LinCLP_HPP__
#define __LinCLP_HPP__

#include"OsiSolverInterface.hpp"
#include "OsiClpSolverInterface.hpp"
#include "CoinPackedMatrix.hpp"
#include "CoinPackedVector.hpp"

class LinCLP
{
	private:

		int numVars_;				//Number of variables

		int numCons_;          		//Number of inequality constraints

		double* objMatrix_[];   		//Objective function vector 
 
		double* conMatrix_[];   		//Inequality constraint matrix
  
		double* conlb_[];     		//Inequality constraint vector

		double* conub_[];   		//Equality constraint vector
 
		double* lb_[];       		//Lower bounds for all variables

		double* ub_[];       		//Upper bounds for all variables

        double options_[];          //options for setting maximum iterations and writing mps and lp files
      
		double* xValue_ = NULL;		//Optimal value of variables 

		double objValue_ =0 ;		//Optimal values of objective

		double status_ = 0; 		//Return Status

		double iterations_ = 0;		//Number of iteration 

		double* Zl_ = NULL;			//Reduced cost

		double* Zu_ = NULL;			//Reduced cost

		double* dual_ = NULL;		// Dual of the solution


	public:
/*
 * Constructor 
*/
		LinCLP(int numVars_ , int numCons_ ,double objMatrix_[] , double conMatrix_[] , double conlb_[] , double conub_[] ,double lb_[] , double ub_[], double options_[]);
		

		virtual ~LinCLP();			//Destructor to free memory

		const double* getX();   	//Returns a pointer to matrix of size 
									//1*numVars with final values for the objective variables

	    double getObjVal();     	//Returns the output of the final value of the objective

		int returnStatus();     	//Returns the status of the problem

	    double iterCount();     	//Returns the iteration count

        const double* getReducedCost();   //Returns a pointer to matrix of size 
									      //1*numVars with values for lower dual vector

	    double* getDual();   	//Returns a pointer to matrix of size
								//1*numCons with values for dual vector

};

#endif __LinCLP_HPP__