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42 lines
1.7 KiB
42 lines
1.7 KiB
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2020 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 "barycentric_interpolation.h"
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#include "parallel_for.h"
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template <
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typename DerivedD,
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typename DerivedF,
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typename DerivedB,
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typename DerivedI,
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typename DerivedX>
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IGL_INLINE void igl::barycentric_interpolation(
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const Eigen::MatrixBase<DerivedD> & D,
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const Eigen::MatrixBase<DerivedF> & F,
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const Eigen::MatrixBase<DerivedB> & B,
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const Eigen::MatrixBase<DerivedI> & I,
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Eigen::PlainObjectBase<DerivedX> & X)
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{
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assert(B.rows() == I.size());
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assert(F.cols() == B.cols());
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X.setZero(B.rows(),D.cols());
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// should use parallel_for
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//for(int i = 0;i<X.rows();i++)
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parallel_for(X.rows(),[&X,&B,&D,&F,&I](const int i)
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{
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for(int j = 0;j<F.cols();j++)
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{
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X.row(i) += B(i,j) * D.row(F(I(i),j));
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}
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},1000);
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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::barycentric_interpolation<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -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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