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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
This commit is contained in:
Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
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src/igl/barycentric_to_global.cpp Executable file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Daniele Panozzo <daniele.panozzo@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 "barycentric_to_global.h"
// For error printing
#include <cstdio>
#include <vector>
namespace igl
{
template <typename Scalar, typename Index>
IGL_INLINE Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> barycentric_to_global(
const Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> & V,
const Eigen::Matrix<Index,Eigen::Dynamic,Eigen::Dynamic> & F,
const Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> & bc)
{
Eigen::Matrix<Scalar,Eigen::Dynamic,Eigen::Dynamic> R;
R.resize(bc.rows(),3);
for (unsigned i=0; i<R.rows(); ++i)
{
unsigned id = round(bc(i,0));
double u = bc(i,1);
double v = bc(i,2);
if (id != -1)
R.row(i) = V.row(F(id,0)) +
((V.row(F(id,1)) - V.row(F(id,0))) * u +
(V.row(F(id,2)) - V.row(F(id,0))) * v );
else
R.row(i) << 0,0,0;
}
return R;
}
}
#ifdef IGL_STATIC_LIBRARY
template Eigen::Matrix<double, -1, -1, 0, -1, -1> igl::barycentric_to_global<double, int>(Eigen::Matrix<double, -1, -1, 0, -1, -1> const&, Eigen::Matrix<int, -1, -1, 0, -1, -1> const&, Eigen::Matrix<double, -1, -1, 0, -1, -1> const&);
#endif