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//=============================================================================
//
// Glagen : a planet sized landscape generator
// Copyright (C) 2002 Julien Guertault, Hugues Hiegel, Meng-Tih Lam
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//=============================================================================
//
// Glagen : GPL LAndscape GENerator
//
// matrix.hh for Glagen : made by Zavie (Julien Guertault)
//
// www.glagen.org
//
//=============================================================================
#ifndef MATRIX3D_HH_
# define MATRIX3D_HH_
class Matrix33
{
public :
//Constructors and destructor
Matrix33 ();
Matrix33 (const class Matrix33 &);
Matrix33 (const float m[3][3]);
Matrix33 (const float, const class Vector &);
~Matrix33 ();
// Matrix itself
float A (const int, const int) const;
// Orthonormalize
void OrthonormalizeOrientation ();
// Operator
class Vector operator * (const class Vector &) const;
protected :
float mat[3][3];
};
class Matrix44
{
public :
//Constructors and destructor
Matrix44 ();
Matrix44 (const class Matrix44 &);
Matrix44 (const class Matrix33 &);
Matrix44 (const float m[3][3]);
Matrix44 (const float m[4][4]);
Matrix44 (const float colon[3]);
~Matrix44 ();
//Matrix itself
float A (const int, const int) const;
//Operator
Matrix44 operator * (const Matrix44 &) const;
protected :
float mat[4][4];
};
#endif // MATRIX3D
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