# 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