EulerAngleOps.h

Go to the documentation of this file.

// GMTL is (C) Copyright 2001-2010 by Allen Bierbaum
// Distributed under the GNU Lesser General Public License 2.1 with an
// addendum covering inlined code. (See accompanying files LICENSE and
// LICENSE.addendum or http://www.gnu.org/copyleft/lesser.txt)

#ifndef _GMTL_EULER_ANGLE_OPS_H_
#define _GMTL_EULER_ANGLE_OPS_H_

#include <gmtl/EulerAngle.h>

namespace gmtl
{

template<class DATA_TYPE, typename ROT_ORDER>
inline bool operator==(const EulerAngle<DATA_TYPE, ROT_ORDER>& e1,
                       const EulerAngle<DATA_TYPE, ROT_ORDER>& e2)
{
   // @todo metaprogramming.
   if (e1[0] != e2[0]) return false;
   if (e1[1] != e2[1]) return false;
   if (e1[2] != e2[2]) return false;
   return true;
}

template<class DATA_TYPE, typename ROT_ORDER>
inline bool operator!=(const EulerAngle<DATA_TYPE, ROT_ORDER>& e1,
                       const EulerAngle<DATA_TYPE, ROT_ORDER>& e2)
{
   return(! (e1 == e2));
}

template<class DATA_TYPE, typename ROT_ORDER>
inline bool isEqual( const EulerAngle<DATA_TYPE, ROT_ORDER>& e1,
                     const EulerAngle<DATA_TYPE, ROT_ORDER>& e2,
                     const DATA_TYPE eps = 0 )
{
   gmtlASSERT(eps >= (DATA_TYPE)0);
   
   // @todo metaprogramming.
   if (!Math::isEqual( e1[0], e2[0], eps )) return false;
   if (!Math::isEqual( e1[1], e2[1], eps )) return false;
   if (!Math::isEqual( e1[2], e2[2], eps )) return false;
   return true;
}

// @todo write isEquiv function for EulerAngle


} // namespace

#endif