/usr/include/coin/ClpConstraintAmpl.hpp is in coinor-libcbc-dev 2.8.12-1+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /* $Id: ClpConstraintAmpl.hpp 1902 2013-04-10 16:58:16Z stefan $ */
// 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 ClpConstraintAmpl_H
#define ClpConstraintAmpl_H
#include "ClpConstraint.hpp"
//#############################################################################
/** Ampl Constraint Class
*/
class ClpConstraintAmpl : public ClpConstraint {
public:
///@name Stuff
//@{
/** Fills gradient. If Ampl 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 udefined 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 ;
/// Resize constraint
virtual void resize(int newNumberColumns) ;
/// Delete columns in constraint
virtual void deleteSome(int numberToDelete, const int * which) ;
/// Scale constraint
virtual void reallyScale(const double * columnScale) ;
/** Given a zeroed array sets nonampl columns to 1.
Returns number of nonampl columns
*/
virtual int markNonlinear(char * which) const ;
/** Given a zeroed array sets possible nonzero coefficients to 1.
Returns number of nonzeros
*/
virtual int markNonzero(char * which) const;
/// Say we have new primal solution - so may need to recompute
virtual void newXValues() ;
//@}
///@name Constructors and destructors
//@{
/// Default Constructor
ClpConstraintAmpl();
/// Constructor from ampl
ClpConstraintAmpl(int row, void * amplInfo);
/** Copy constructor .
*/
ClpConstraintAmpl(const ClpConstraintAmpl & rhs);
/// Assignment operator
ClpConstraintAmpl & operator=(const ClpConstraintAmpl& rhs);
/// Destructor
virtual ~ClpConstraintAmpl ();
/// Clone
virtual ClpConstraint * clone() const;
//@}
///@name Gets and sets
//@{
/// Number of coefficients
virtual int numberCoefficients() const;
/// Columns
inline const int * column() const {
return column_;
}
/// Coefficients
inline const double * coefficient() const {
return coefficient_;
}
//@}
//---------------------------------------------------------------------------
private:
///@name Private member data
/// Ampl info
void * amplInfo_;
/// Column
int * column_;
/// Coefficients
double * coefficient_;
/// Number of coefficients in gradient
int numberCoefficients_;
//@}
};
#endif
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