rotation.hpp

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// -*- mode: c++; indent-tabs-mode: nil; -*-
//
//The Biomolecule Toolkit (BTK) is a C++ library for use in the
//modeling, analysis, and design of biological macromolecules.
//Copyright (C) 2005-2006, Tim Robertson <kid50@users.sourceforge.net>
//
//This program 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, 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
//Lesser General Public License for more details.
//
//You should have received a copy of the GNU Lesser 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.


#ifndef BTK_MATH_ROTATION_HPP
#define BTK_MATH_ROTATION_HPP

#include <btk/core/math/btk_vector.hpp>
#include <btk/core/math/btk_matrix.hpp>

namespace BTK {
namespace MATH {


void
initialize_rotation_matrix(BTKVector const & axis,
                           double theta,
                           BTKMatrix & rm);

inline
BTKMatrix
create_rotation_matrix(BTKVector const & axis,
                       double theta)
 {
   BTKMatrix tmp;
   initialize_rotation_matrix(axis,theta,tmp);
   return tmp;
 }



void
initialize_rotation_matrix(double phi,
                           double theta,
                           double psi,
                           BTKMatrix & rm);

inline
BTKMatrix
create_rotation_matrix(double phi,
                       double theta,
                       double psi)
{
  BTKMatrix tmp;
  initialize_rotation_matrix(phi,theta,psi,tmp);
  return tmp;
}

} // namespace MATH
} // namespace BTK
 
#endif // BTK_MATH_ROTATION_HPP

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