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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/grid.cpp Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 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 "grid.h"
template <
typename Derivedres,
typename DerivedGV>
IGL_INLINE void igl::grid(
const Eigen::MatrixBase<Derivedres> & res,
Eigen::PlainObjectBase<DerivedGV> & GV)
{
using namespace Eigen;
typedef typename DerivedGV::Scalar Scalar;
GV.resize(res(0)*res(1)*res(2),3);
for(int zi = 0;zi<res(2);zi++)
{
const auto lerp =
[&](const Scalar di, const int d)->Scalar{return di/(Scalar)(res(d)-1);};
const Scalar z = lerp(zi,2);
for(int yi = 0;yi<res(1);yi++)
{
const Scalar y = lerp(yi,1);
for(int xi = 0;xi<res(0);xi++)
{
const Scalar x = lerp(xi,0);
const int gi = xi+res(0)*(yi + res(1)*zi);
GV.row(gi) =
Eigen::Matrix<Scalar,1,3>(x,y,z);
}
}
}
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
// generated by autoexplicit.sh
template void igl::grid<Eigen::Matrix<int, 1, 3, 1, 1, 3>, Eigen::Matrix<float, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<int, 1, 3, 1, 1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, -1, 0, -1, -1> >&);
// generated by autoexplicit.sh
template void igl::grid<Eigen::Matrix<int, 3, 1, 0, 3, 1>, Eigen::Matrix<float, -1, 3, 0, -1, 3> >(Eigen::MatrixBase<Eigen::Matrix<int, 3, 1, 0, 3, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 0, -1, 3> >&);
// generated by autoexplicit.sh
template void igl::grid<Eigen::Matrix<int, 3, 1, 0, 3, 1>, Eigen::Matrix<float, -1, 3, 1, -1, 3> >(Eigen::MatrixBase<Eigen::Matrix<int, 3, 1, 0, 3, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<float, -1, 3, 1, -1, 3> >&);
// generated by autoexplicit.sh
template void igl::grid<Eigen::Matrix<int, 3, 1, 0, 3, 1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<int, 3, 1, 0, 3, 1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
template void igl::grid<Eigen::Matrix<int, 1, 3, 1, 1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::MatrixBase<Eigen::Matrix<int, 1, 3, 1, 1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
#endif