/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
 *
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 *  See the file LICENSE.GPL at the root directory of this source
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 *
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\**************************************************************************/

/*!
  \class SoInterpolateVec4f SoInterpolateVec4f.h Inventor/engines/SoInterpolateVec4f.h
  \brief The SoInterpolateVec4f class is used to interpolate between pairs of 4D vectors.
  \ingroup engines
*/

#include <Inventor/engines/SoInterpolateVec4f.h>
#include <Inventor/engines/SoSubEngineP.h>

/*!
  \var SoMFVec4f SoInterpolateVec4f::input0
  First set of input values.
*/
/*!
  \var SoMFVec4f SoInterpolateVec4f::input1
  Second set of input values.
*/

SO_INTERPOLATE_INTERNAL_INIT_CLASS(SoInterpolateVec4f);

SO_INTERPOLATE_INTERNAL_SOURCE(SoInterpolateVec4f,
                               SoMFVec4f,
                               SbVec4f,
                               (0.0f,0.0f,0.0f,0.0f),
                               (0.0f,0.0f,0.0f,0.0f),
                               (v1-v0)*a+v0);