matrix2d.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * matrix2d.h 
00006  *
00007  * Copyright (C) 2004 Jean Bréfort <jean.brefort@normalesup.org>
00008  *
00009  * This program is free software; you can redistribute it and/or 
00010  * modify it under the terms of the GNU General Public License as 
00011  * published by the Free Software Foundation; either version 2 of the
00012  * License, or (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00022  * USA
00023  */
00024  
00025 #ifndef GCU_MATRIX2D_H
00026 #define GCU_MATRIX2D_H
00027 
00028 namespace gcu
00029 {
00030 
00034 class Matrix2D  
00035 {
00036 public:
00037 
00041         Matrix2D();
00045         virtual ~Matrix2D();
00053         Matrix2D(double Angle, bool Deg = true);
00062         Matrix2D(double x11, double x12, double x21, double x22);
00068         Matrix2D& operator*(Matrix2D& cMat);
00074         Matrix2D& operator=(Matrix2D& cMat);
00082         void Transform(double &dx, double &dy);
00083         
00084 private :
00085         double x[2][2];
00086 };
00087 
00088 }       //namespace gcu
00089 
00090 #endif //GCRYSTAL_MATRIX2D_H

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