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