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/*
//
// Copyright 1997-2009 Torsten Rohlfing
//
// Copyright 2004-2010 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit 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 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit 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 the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkVector3D_h_included_
#define __cmtkVector3D_h_included_
#include <cmtkconfig.h>
#include <Base/cmtkTypes.h>
#include <Base/cmtkFixedVector.h>
namespace
cmtk
{
/** \addtogroup Base */
//@{
/// Convenience typedef: vectors in 3D coordinate space.
typedef FixedVector<3,Types::Coordinate> Vector3D;
/// Cross-product of two 3D vectors.
template<class T>
FixedVector<3,T>
CrossProduct( const FixedVector<3,T>& u, const FixedVector<3,T>& v )
{
const T result[3] = { u[1]*v[2] - u[2]*v[1], u[2]*v[0] - u[0]*v[2], u[0]*v[1] - u[1]*v[0] };
return FixedVector<3,T>::FromPointer( result );
}
//@}
} // namespace cmtk
#endif // #ifdef __cmtkVector3D_h_included_
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