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author | Harpreet | 2016-09-03 00:36:51 +0530 |
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committer | Harpreet | 2016-09-03 00:36:51 +0530 |
commit | a0d9443af147e949c1e6a01ac24749d12593ec5b (patch) | |
tree | 1a1955c5482ae608fd7f618b06f4ecc6a0d39a23 /newstructure/thirdparty/linux/include/coin/ClpQuadraticObjective.hpp | |
parent | 4b64cf486f5c999fd8167758cae27839f3b50848 (diff) | |
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cbcintlinprog added
Diffstat (limited to 'newstructure/thirdparty/linux/include/coin/ClpQuadraticObjective.hpp')
-rw-r--r-- | newstructure/thirdparty/linux/include/coin/ClpQuadraticObjective.hpp | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/newstructure/thirdparty/linux/include/coin/ClpQuadraticObjective.hpp b/newstructure/thirdparty/linux/include/coin/ClpQuadraticObjective.hpp deleted file mode 100644 index a52b097..0000000 --- a/newstructure/thirdparty/linux/include/coin/ClpQuadraticObjective.hpp +++ /dev/null @@ -1,155 +0,0 @@ -/* $Id: ClpQuadraticObjective.hpp 1665 2011-01-04 17:55:54Z lou $ */ -// Copyright (C) 2003, International Business Machines -// Corporation and others. All Rights Reserved. -// This code is licensed under the terms of the Eclipse Public License (EPL). - -#ifndef ClpQuadraticObjective_H -#define ClpQuadraticObjective_H - -#include "ClpObjective.hpp" -#include "CoinPackedMatrix.hpp" - -//############################################################################# - -/** Quadratic Objective Class - -*/ - -class ClpQuadraticObjective : public ClpObjective { - -public: - - ///@name Stuff - //@{ - - /** Returns gradient. If Quadratic then solution may be NULL, - also returns an offset (to be added to current one) - If refresh is false then uses last solution - Uses model for scaling - includeLinear 0 - no, 1 as is, 2 as feasible - */ - virtual double * gradient(const ClpSimplex * model, - const double * solution, double & offset, bool refresh, - int includeLinear = 2); - /// Resize objective - /** Returns reduced gradient.Returns an offset (to be added to current one). - */ - virtual double reducedGradient(ClpSimplex * model, double * region, - bool useFeasibleCosts); - /** Returns step length which gives minimum of objective for - solution + theta * change vector up to maximum theta. - - arrays are numberColumns+numberRows - Also sets current objective, predicted and at maximumTheta - */ - virtual double stepLength(ClpSimplex * model, - const double * solution, - const double * change, - double maximumTheta, - double & currentObj, - double & predictedObj, - double & thetaObj); - /// Return objective value (without any ClpModel offset) (model may be NULL) - virtual double objectiveValue(const ClpSimplex * model, const double * solution) const ; - virtual void resize(int newNumberColumns) ; - /// Delete columns in objective - virtual void deleteSome(int numberToDelete, const int * which) ; - /// Scale objective - virtual void reallyScale(const double * columnScale) ; - /** Given a zeroed array sets nonlinear columns to 1. - Returns number of nonlinear columns - */ - virtual int markNonlinear(char * which); - - //@} - - - ///@name Constructors and destructors - //@{ - /// Default Constructor - ClpQuadraticObjective(); - - /// Constructor from objective - ClpQuadraticObjective(const double * linearObjective, int numberColumns, - const CoinBigIndex * start, - const int * column, const double * element, - int numberExtendedColumns_ = -1); - - /** Copy constructor . - If type is -1 then make sure half symmetric, - if +1 then make sure full - */ - ClpQuadraticObjective(const ClpQuadraticObjective & rhs, int type = 0); - /** Subset constructor. Duplicates are allowed - and order is as given. - */ - ClpQuadraticObjective (const ClpQuadraticObjective &rhs, int numberColumns, - const int * whichColumns) ; - - /// Assignment operator - ClpQuadraticObjective & operator=(const ClpQuadraticObjective& rhs); - - /// Destructor - virtual ~ClpQuadraticObjective (); - - /// Clone - virtual ClpObjective * clone() const; - /** Subset clone. Duplicates are allowed - and order is as given. - */ - virtual ClpObjective * subsetClone (int numberColumns, - const int * whichColumns) const; - - /** Load up quadratic objective. This is stored as a CoinPackedMatrix */ - void loadQuadraticObjective(const int numberColumns, - const CoinBigIndex * start, - const int * column, const double * element, - int numberExtendedColumns = -1); - void loadQuadraticObjective ( const CoinPackedMatrix& matrix); - /// Get rid of quadratic objective - void deleteQuadraticObjective(); - //@} - ///@name Gets and sets - //@{ - /// Quadratic objective - inline CoinPackedMatrix * quadraticObjective() const { - return quadraticObjective_; - } - /// Linear objective - inline double * linearObjective() const { - return objective_; - } - /// Length of linear objective which could be bigger - inline int numberExtendedColumns() const { - return numberExtendedColumns_; - } - /// Number of columns in quadratic objective - inline int numberColumns() const { - return numberColumns_; - } - /// If a full or half matrix - inline bool fullMatrix() const { - return fullMatrix_; - } - //@} - - //--------------------------------------------------------------------------- - -private: - ///@name Private member data - /// Quadratic objective - CoinPackedMatrix * quadraticObjective_; - /// Objective - double * objective_; - /// Gradient - double * gradient_; - /// Useful to have number of columns about - int numberColumns_; - /// Also length of linear objective which could be bigger - int numberExtendedColumns_; - /// True if full symmetric matrix, false if half - bool fullMatrix_; - //@} -}; - -#endif |