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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#include "average_onto_faces.h"
template <typename DerivedF, typename DerivedS, typename DerivedSF>
IGL_INLINE void igl::average_onto_faces(
const Eigen::MatrixBase<DerivedF> & F,
const Eigen::MatrixBase<DerivedS> & S,
Eigen::PlainObjectBase<DerivedSF> & SF)
{
SF.setConstant(F.rows(),S.cols(),0);
for (int i = 0; i <F.rows(); ++i)
for (int j = 0; j<F.cols(); ++j)
SF.row(i) += S.row(F(i,j));
SF.array() /= F.cols();
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
// generated by autoexplicit.sh
template void igl::average_onto_faces<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, 1, 0, -1, 1> >(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, 1, 0, -1, 1> >&);
#endif