mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-11-15 18:18:34 +05:00
118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
|
|
//
|
|
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
|
|
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2.1 of the License.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
|
|
//
|
|
// SMESH StdMeshers : implementaion of point distribution algorithm
|
|
// File : StdMeshers_Distribution.hxx
|
|
// Author : Alexandre SOLOVYOV
|
|
// Module : SMESH
|
|
// $Header$
|
|
//
|
|
#ifndef _STD_MESHERS_DISTRIBUTION_HXX_
|
|
#define _STD_MESHERS_DISTRIBUTION_HXX_
|
|
|
|
#include "SMESH_StdMeshers.hxx"
|
|
|
|
#include <vector>
|
|
#include <math_Function.hxx>
|
|
#include <ExprIntrp_GenExp.hxx>
|
|
#include <Expr_Array1OfNamedUnknown.hxx>
|
|
#include <TColStd_Array1OfReal.hxx>
|
|
|
|
|
|
class STDMESHERS_EXPORT Function
|
|
{
|
|
public:
|
|
Function( const int );
|
|
virtual ~Function();
|
|
virtual bool value( const double, double& ) const;
|
|
virtual double integral( const double, const double ) const = 0;
|
|
|
|
private:
|
|
int myConv;
|
|
};
|
|
|
|
class STDMESHERS_EXPORT FunctionIntegral : public Function
|
|
{
|
|
public:
|
|
FunctionIntegral( const Function*, const double );
|
|
virtual ~FunctionIntegral();
|
|
virtual bool value( const double, double& ) const;
|
|
virtual double integral( const double, const double ) const;
|
|
|
|
private:
|
|
Function* myFunc;
|
|
double myStart;
|
|
};
|
|
|
|
class STDMESHERS_EXPORT FunctionTable : public Function
|
|
{
|
|
public:
|
|
FunctionTable( const std::vector<double>&, const int );
|
|
virtual ~FunctionTable();
|
|
virtual bool value( const double, double& ) const;
|
|
virtual double integral( const double, const double ) const;
|
|
|
|
private:
|
|
bool findBounds( const double, int&, int& ) const;
|
|
|
|
//integral from x[i] to x[i+1]
|
|
double integral( const int i ) const;
|
|
|
|
//integral from x[i] to x[i]+d
|
|
//warning: function is presented as linear on interaval from x[i] to x[i]+d,
|
|
// for correct result d must be >=0 and <=x[i+1]-x[i]
|
|
double integral( const int i, const double d ) const;
|
|
|
|
private:
|
|
std::vector<double> myData;
|
|
};
|
|
|
|
class STDMESHERS_EXPORT FunctionExpr : public Function, public math_Function
|
|
{
|
|
public:
|
|
FunctionExpr( const char*, const int );
|
|
virtual ~FunctionExpr();
|
|
virtual Standard_Boolean Value( const Standard_Real, Standard_Real& );
|
|
virtual bool value( const double, double& ) const;
|
|
virtual double integral( const double, const double ) const;
|
|
|
|
private:
|
|
Handle(ExprIntrp_GenExp) myExpr;
|
|
Expr_Array1OfNamedUnknown myVars;
|
|
TColStd_Array1OfReal myValues;
|
|
};
|
|
|
|
STDMESHERS_EXPORT
|
|
bool buildDistribution( const Function& f,
|
|
const double start, const double end,
|
|
const int nbSeg,
|
|
std::vector<double>& data,
|
|
const double eps );
|
|
|
|
STDMESHERS_EXPORT
|
|
bool buildDistribution( const TCollection_AsciiString& f, const int conv, const double start, const double end,
|
|
const int nbSeg, std::vector<double>& data, const double eps );
|
|
STDMESHERS_EXPORT
|
|
bool buildDistribution( const std::vector<double>& f, const int conv, const double start, const double end,
|
|
const int nbSeg, std::vector<double>& data, const double eps );
|
|
|
|
#endif
|