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