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Diffstat (limited to 'build/Bonmin/include/coin/ClpConstraint.hpp')
-rw-r--r-- | build/Bonmin/include/coin/ClpConstraint.hpp | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/build/Bonmin/include/coin/ClpConstraint.hpp b/build/Bonmin/include/coin/ClpConstraint.hpp deleted file mode 100644 index be43bb8..0000000 --- a/build/Bonmin/include/coin/ClpConstraint.hpp +++ /dev/null @@ -1,125 +0,0 @@ -/* $Id: ClpConstraint.hpp 1665 2011-01-04 17:55:54Z lou $ */ -// Copyright (C) 2007, International Business Machines -// Corporation and others. All Rights Reserved. -// This code is licensed under the terms of the Eclipse Public License (EPL). - -#ifndef ClpConstraint_H -#define ClpConstraint_H - - -//############################################################################# -class ClpSimplex; -class ClpModel; - -/** Constraint Abstract Base Class - -Abstract Base Class for describing a constraint or objective function - -*/ -class ClpConstraint { - -public: - - ///@name Stuff - //@{ - - /** Fills gradient. If Linear then solution may be NULL, - also returns true value of function and offset so we can use x not deltaX in constraint - If refresh is false then uses last solution - Uses model for scaling - Returns non-zero if gradient undefined at current solution - */ - virtual int gradient(const ClpSimplex * model, - const double * solution, - double * gradient, - double & functionValue , - double & offset, - bool useScaling = false, - bool refresh = true) const = 0; - /// Constraint function value - virtual double functionValue (const ClpSimplex * model, - const double * solution, - bool useScaling = false, - bool refresh = true) const ; - /// Resize constraint - virtual void resize(int newNumberColumns) = 0; - /// Delete columns in constraint - virtual void deleteSome(int numberToDelete, const int * which) = 0; - /// Scale constraint - virtual void reallyScale(const double * columnScale) = 0; - /** Given a zeroed array sets nonlinear columns to 1. - Returns number of nonlinear columns - */ - virtual int markNonlinear(char * which) const = 0; - /** Given a zeroed array sets possible nonzero coefficients to 1. - Returns number of nonzeros - */ - virtual int markNonzero(char * which) const = 0; - //@} - - - ///@name Constructors and destructors - //@{ - /// Default Constructor - ClpConstraint(); - - /// Copy constructor - ClpConstraint(const ClpConstraint &); - - /// Assignment operator - ClpConstraint & operator=(const ClpConstraint& rhs); - - /// Destructor - virtual ~ClpConstraint (); - - /// Clone - virtual ClpConstraint * clone() const = 0; - - //@} - - ///@name Other - //@{ - /// Returns type, 0 linear, 1 nonlinear - inline int type() { - return type_; - } - /// Row number (-1 is objective) - inline int rowNumber() const { - return rowNumber_; - } - - /// Number of possible coefficients in gradient - virtual int numberCoefficients() const = 0; - - /// Stored constraint function value - inline double functionValue () const { - return functionValue_; - } - - /// Constraint offset - inline double offset () const { - return offset_; - } - /// Say we have new primal solution - so may need to recompute - virtual void newXValues() {} - //@} - - //--------------------------------------------------------------------------- - -protected: - ///@name Protected member data - //@{ - /// Gradient at last evaluation - mutable double * lastGradient_; - /// Value of non-linear part of constraint - mutable double functionValue_; - /// Value of offset for constraint - mutable double offset_; - /// Type of constraint - linear is 1 - int type_; - /// Row number (-1 is objective) - int rowNumber_; - //@} -}; - -#endif |