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ExprNode.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 __EXPRNODE_H_
00033 #define __EXPRNODE_H_
00034 
00035 #include "Config.h"
00036 #include "Num.h"
00037 #include "NumVar.h"
00038 #include "LagrangianParam.h"
00039 
00040 namespace Modelib {
00041 
00042 //class LagrangianParam;
00044 /*
00045   Elle est constituée
00046   - d'un coefficient de type "Num"
00047   - d'une variable de type "NumVar"
00048   - d'un coefficent Lagrangien
00049   \n Elle represente un groupe  "+ Num * NumVar" dans une expressions linéaire
00050 */
00051 
00052 class ExprNode
00053 {
00054   protected:
00055     Num coefficient; 
00056     NumVar variable; 
00057     LagrangianParam mult; 
00058   public:
00060     ExprNode(const Num & _coefficient = Num(0.0f),
00061              const NumVar & _variable = NumVar(),
00062              const LagrangianParam & _mult = LagrangianParam())
00063     : coefficient(_coefficient), variable(_variable), mult(_mult)
00064     {}
00065  
00069     Num       GetCoefficient()  const { return coefficient; }
00073     void SetCoefficient( float coef ) { coefficient = Num(coef); }
00074     
00078     NumVar    GetVariable()     const { return variable;    }
00079     
00083     LagrangianParam   GetLagrangianParam()    const { return mult;   }   
00084 }; 
00085 
00086 }
00087 
00088 #endif

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