AxisAngleOps.h

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// 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_AXIS_ANGLE_OPS_H_
#define _GMTL_AXIS_ANGLE_OPS_H_

#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 = 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