Modelib: Fichier source de LagrangianParam.cpp

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# LagrangianParam.cpp

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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 #include "LagrangianParam.h"
    00033 #include "Model.h"
    00034 #include <iostream>
    00035
    00036 namespace Modelib {
    00037
    00038 using namespace std;
    00039
    00040
    00041 /*-----------------------------------------------------------------------------------------------------------*/
    00050 LagrangianParam::LagrangianParam(Model & _model, string constraintName )
    00051 {
    00052   Constraint c = _model.GetConstraint(constraintName);
    00053   //si la contrainte existe
    00054   if( !(c == Constraint())  )
    00055   {
    00056      model = &_model;
    00057
    00058      id = c.GetId();
    00059      //il prend l'identifiant de la variable
    00060   }
    00061   else
    00062   {
    00063     cerr << "Warning in LagrangianParam::LagrangianParam : constraint doesn't exist" << endl;
    00064     model = 0;
    00065     id = 0;
    00066     //sinon elle prend les caractéristiques de la contrainte nulle
    00067   }
    00068 }
    00069 /*-----------------------------------------------------------------------------------------------------------*/
    00078 LagrangianParam::LagrangianParam(Model & _model, VarId _id )
    00079 {
    00080   Constraint c = _model.GetConstraint(_id);
    00081   //si la contrainte existe
    00082   if( !(c == Constraint())  )
    00083   {
    00084      model = &_model;
    00085      id = _id;
    00086      //il prend l'identifiant de la variable
    00087   }
    00088   else
    00089   {
    00090     cerr << "Warning in LagrangianParam::LagrangianParam : constraint doesn't exist" << endl;
    00091     model = 0;
    00092     id = 0;
    00093     //sinon elle prend les caractéristiques de la contrainte nulle
    00094   }
    00095 }
    00096
    00097 /*-----------------------------------------------------------------------------------------------------------*/
    00102 float LagrangianParam::GetValue() const
    00103 {
    00104    //si le modèle existe
    00105    if(model)
    00106    {
    00107       return model->GetLagrangianParamValue(id);
    00108       //on retoune la valeur qui se trouve dans Model::constraintMap
    00109    }
    00110    else
    00111    {
    00112       cerr << "Warning in LagrangianParam::GetValue : undefined model" << endl;
    00113       return 0;
    00114       //sinon on retourne 0
    00115    }
    00116 }
    00117
    00122 void LagrangianParam::SetValue(float _value)
    00123 {
    00124   //si le modele existe
    00125   if(model)
    00126      model->SetLagrangianParamValue(id,_value);
    00127      //on appelle la fonction qui va changer la valeur du lagrangien dans Model::constraintMap
    00128   else
    00129      cerr << "Warning in LagrangianParam::SetValue : undefined model" << endl;
    00130
    00131 }
    00132
    00133
    00134 #ifdef COMPILE_FOR_PYTHON
    00135        #include "py_LagrangianParam.cxx"
    00136 #endif
    00137
    00138 }