Modelib: Fichier source de Constraint.h

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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