00001 /*************************************************************************** 00002 * Copyright (C) 2004 by Jacques Gasselin * 00003 * jacquesgasselin@hotmail.com * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU Library General Public License as * 00007 * published by the Free Software Foundation; either version 2 of the * 00008 * License, or (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU Library General Public * 00016 * License along with this program; if not, write to the * 00017 * Free Software Foundation, Inc., * 00018 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 00019 ***************************************************************************/ 00020 00021 #ifndef GLBERNSTEINPOLYNOMIAL_H 00022 #define GLBERNSTEINPOLYNOMIAL_H 00023 00024 #include "GLFunctions.h" 00025 #include <vector> 00026 00027 namespace mathglpp 00028 { 00029 00036 class GLBernsteinPolynomial 00037 { 00038 static std::vector< std::vector<GLuint> > pascalsTriangle; 00039 00040 public: 00042 GLBernsteinPolynomial(GLuint n); 00043 00045 ~GLBernsteinPolynomial(); 00046 00048 void setOrder(GLuint); 00049 00051 const GLfloat get(const GLuint order, const GLuint c, const GLfloat u); 00052 00055 const void getVector(const GLuint order, const GLfloat u, GLfloat* vec); 00056 00057 protected: 00059 void extendPascal(GLuint); 00060 00062 inline const GLuint getCoeff(const GLuint order, const GLuint choice) 00063 { return pascalsTriangle[order][choice]; } 00064 }; 00065 00066 }; 00067 00068 #endif