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authorHarpreet2016-09-03 00:36:51 +0530
committerHarpreet2016-09-03 00:36:51 +0530
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-// Copyright (C) 2016 - IIT Bombay - FOSSEE
-//
-// This file must be used under the terms of the CeCILL.
-// This source file is licensed as described in the file COPYING, which
-// you should have received as part of this distribution. The terms
-// are also available at
-// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
-// Author: Harpreet Singh
-// Organization: FOSSEE, IIT Bombay
-// Email: toolbox@scilab.in
-
-#ifndef minbndTMINLP_HPP
-#define minbndTMINLP_HPP
-
-#include "BonTMINLP.hpp"
-#include "IpTNLP.hpp"
-#include "call_scilab.h"
-
-using namespace Ipopt;
-using namespace Bonmin;
-
-class minbndTMINLP : public TMINLP
-{
- private:
-
- Index numVars_; //Number of input variables
-
- Index intconSize_;
-
- Number *lb_= NULL; //lb_ is a pointer to a matrix of size of 1*numVars_ with lower bound of all variables.
-
- Number *ub_= NULL; //ub_ is a pointer to a matrix of size of 1*numVars_ with upper bound of all variables.
-
- Number *finalX_= NULL; //finalX_ is a pointer to a matrix of size of 1*numVars_ with final value for the primal variables.
-
- Number finalObjVal_; //finalObjVal_ is a scalar with the final value of the objective.
-
- Number *intcon_ = NULL;
-
- int status_; //Solver return status
- minbndTMINLP(const minbndTMINLP&);
- minbndTMINLP& operator=(const minbndTMINLP&);
-
-public:
- // Constructor
- minbndTMINLP(Index nV, Number *lb, Number *ub, Index intconSize, Number *intcon):numVars_(nV),lb_(lb),ub_(ub),intconSize_(intconSize),intcon_(intcon),finalX_(0),finalObjVal_(1e20){ }
-
- /** default destructor */
- virtual ~minbndTMINLP();
-
- virtual bool get_variables_types(Index n, VariableType* var_types);
-
- virtual bool get_variables_linearity(Index n, Ipopt::TNLP::LinearityType* var_types);
-
- virtual bool get_constraints_linearity(Index m, Ipopt::TNLP::LinearityType* const_types);
-
- /** Method to return some info about the nlp */
- virtual bool get_nlp_info(Index& n, Index& m, Index& nnz_jac_g,
- Index& nnz_h_lag, TNLP::IndexStyleEnum& index_style);
-
- /** Method to return the bounds for my problem */
- virtual bool get_bounds_info(Index n, Number* x_l, Number* x_u,
- Index m, Number* g_l, Number* g_u);
-
- /** Method to return the starting point for the algorithm */
- virtual bool get_starting_point(Index n, bool init_x, Number* x,
- bool init_z, Number* z_L, Number* z_U,
- Index m, bool init_lambda,
- Number* lambda);
-
- /** Method to return the objective value */
- virtual bool eval_f(Index n, const Number* x, bool new_x, Number& obj_value);
-
- /** Method to return the gradient of the objective */
- virtual bool eval_grad_f(Index n, const Number* x, bool new_x, Number* grad_f);
-
- /** Method to return the constraint residuals */
- virtual bool eval_g(Index n, const Number* x, bool new_x, Index m, Number* g);
-
- /** Method to return:
- * 1) The structure of the jacobian (if "values" is NULL)
- * 2) The values of the jacobian (if "values" is not NULL)
- */
- virtual bool eval_jac_g(Index n, const Number* x, bool new_x,Index m, Index nele_jac, Index* iRow, Index *jCol,Number* values);
-
- /** Method to return:
- * 1) The structure of the hessian of the lagrangian (if "values" is NULL)
- * 2) The values of the hessian of the lagrangian (if "values" is not NULL)
- */
- virtual bool eval_h(Index n, const Number* x, bool new_x,Number obj_factor, Index m, const Number* lambda,bool new_lambda, Index nele_hess, Index* iRow,Index* jCol, Number* values);
-
- /** This method is called when the algorithm is complete so the TNLP can store/write the solution */
- virtual void finalize_solution(SolverReturn status,Index n, const Number* x, Number obj_value);
-
- virtual const SosInfo * sosConstraints() const{return NULL;}
- virtual const BranchingInfo* branchingInfo() const{return NULL;}
-
- const double * getX(); //Returns a pointer to a matrix of size of 1*numVars_
- //with final value for the primal variables.
-
- const double * getGrad(); //Returns a pointer to a matrix of size of 1*numVars_
- //with final value of gradient for the primal variables.
-
- const double * getHess(); //Returns a pointer to a matrix of size of numVars_*numVars_
- //with final value of hessian for the primal variables.
-
- double getObjVal(); //Returns the output of the final value of the objective.
-
- double iterCount(); //Returns the iteration count
-
- int returnStatus(); //Returns the status count
-};
-
-#endif