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Constraint.h

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00001 /*
00002     Copyright (c) 2005, Quentin Lequy and Romain Gaucher
00003     All rights reserved.
00004 
00005     Redistribution and use in source and binary forms, with or 
00006     without modification, are permitted provided that the following 
00007     conditions are met:
00008 
00009         * Redistributions of source code must retain the above copyright 
00010           notice, this list of conditions and the following disclaimer.
00011 
00012         * Redistributions in binary form must reproduce the above copyright 
00013           notice, this list of conditions and the following disclaimer in the 
00014           documentation and/or other materials provided with the distribution.
00015 
00016         * Neither the name of Quentin Lequy or Romain Gaucher nor the names 
00017           of its contributors may be used to endorse or promote products 
00018           derived from this software without specific prior written permission.
00019 
00020     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
00021     AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
00022     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
00023     ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
00024     LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
00025     DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
00026     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
00027     AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
00028     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
00029     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 */
00031 
00032 #ifndef __CONSTRAINT_H
00033 #define __CONSTRAINT_H
00034 
00035 #include "Constant.h"
00036 #include "LagrangianParam.h"
00037 #include <string>
00038 
00039 namespace Modelib {
00040 
00041 class Model;
00042 class Expr;
00043 
00045 
00050 class Constraint
00051 {
00052     Model * model;
00053     VarId id;
00054 
00055     public:
00057        Constraint():model(0),id(0) {};
00058 
00059        Constraint(Model & _m,VarId _id);
00060        Constraint( const Model & _m,VarId _id);
00061 
00063        Constraint( const Constraint & _c)
00064        {
00065          model = _c.model;
00066          id = _c.id;
00067        }
00068        
00069        Constraint operator= ( const Constraint & _c)
00070        {
00071          model = _c.model;
00072          id = _c.id;
00073          return *this;
00074        }
00075 
00079         VarId GetId() const { return id;}
00080 
00084         Model * GetModel() const { return model;}
00085 
00086         bool Relax( float lagrangianValue = -Infinity);
00087 
00088         LagrangianParam GetLagrangianParam() const;
00089 
00090         void Rename( const std::string & name );
00091 
00092         void AddExpr(const Expr &);
00093 
00094         Expr GetExpr(bool secondMember = false) const;
00095 
00096         Expr GetRelaxedExpr(bool secondMember = false) const;
00097 
00098         void SetSecondMember(float);
00099 
00100         float GetSecondMember() const;
00101 
00102         float GetValue() const;
00103 
00104        ~Constraint() {}
00105 };
00106 
00107 inline bool operator==( const Constraint & c1, const Constraint & c2)
00108 {
00109     return c1.GetModel() == c2.GetModel() && c1.GetId() == c2.GetId();
00110 }
00111 
00112 #ifdef COMPILE_FOR_PYTHON
00113     void export_Constraint();
00114 #endif
00115 
00116 }
00117 
00118 #endif

Généré le Sun Oct 2 19:13:11 2005 pour Modelib par  doxygen 1.4.4