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AxisAngleOps.h

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/************************************************************** ggt-head beg
 *
 * GGT: Generic Graphics Toolkit
 *
 * Original Authors:
 *   Allen Bierbaum
 *
 * -----------------------------------------------------------------
 * File:          $RCSfile: AxisAngleOps.h,v $
 * Date modified: $Date: 2003/03/03 00:54:04 $
 * Version:       $Revision: 1.3 $
 * -----------------------------------------------------------------
 *
 *********************************************************** ggt-head end */
/*************************************************************** ggt-cpr beg
*
* GGT: The Generic Graphics Toolkit
* Copyright (C) 2001,2002 Allen Bierbaum 
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
 ************************************************************ ggt-cpr end */
#ifndef EULER_ANGLE_OPS
#define EULER_ANGLE_OPS

#include <gmtl/AxisAngle.h>

namespace gmtl
{

template<class DATA_TYPE>
inline bool operator==(const AxisAngle<DATA_TYPE>& a1,
                       const AxisAngle<DATA_TYPE>& a2)
{
   // @todo metaprogramming.
   if (a1[0] != a2[0]) return false;
   if (a1[1] != a2[1]) return false;
   if (a1[2] != a2[2]) return false;
   if (a1[3] != a2[3]) return false;
   return true;
}

template<class DATA_TYPE>
inline bool operator!=(const AxisAngle<DATA_TYPE>& a1,
                       const AxisAngle<DATA_TYPE>& a2)
{
   return !(a1 == a2);
}

template<class DATA_TYPE>
inline bool isEqual( const AxisAngle<DATA_TYPE>& a1,
                     const AxisAngle<DATA_TYPE>& a2, 
                     const DATA_TYPE& eps = (DATA_TYPE)0 )
{
   gmtlASSERT( eps >= (DATA_TYPE)0 );
   
   // @todo metaprogramming.
   if (!Math::isEqual( a1[0], a2[0], eps )) return false;
   if (!Math::isEqual( a1[1], a2[1], eps )) return false;
   if (!Math::isEqual( a1[2], a2[2], eps )) return false;
   if (!Math::isEqual( a1[3], a2[3], eps )) return false;
   return true;
}

// @todo write isEquiv function for AxisAngle


} // namespace

#endif

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