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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/piecewise_constant_winding_number.cpp Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2015 Alec Jacobson
//
// 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 "piecewise_constant_winding_number.h"
#include "unique_edge_map.h"
#include "PI.h"
template <
typename DerivedF,
typename DeriveduE,
typename uE2EType>
IGL_INLINE bool igl::piecewise_constant_winding_number(
const Eigen::MatrixBase<DerivedF>& F,
const Eigen::MatrixBase<DeriveduE>& uE,
const std::vector<std::vector<uE2EType> >& uE2E)
{
const size_t num_faces = F.rows();
const size_t num_edges = uE.rows();
const auto edge_index_to_face_index = [&](size_t ei)
{
return ei % num_faces;
};
const auto is_consistent = [&](size_t fid, size_t s, size_t d)
{
if ((size_t)F(fid, 0) == s && (size_t)F(fid, 1) == d) return true;
if ((size_t)F(fid, 1) == s && (size_t)F(fid, 2) == d) return true;
if ((size_t)F(fid, 2) == s && (size_t)F(fid, 0) == d) return true;
if ((size_t)F(fid, 0) == d && (size_t)F(fid, 1) == s) return false;
if ((size_t)F(fid, 1) == d && (size_t)F(fid, 2) == s) return false;
if ((size_t)F(fid, 2) == d && (size_t)F(fid, 0) == s) return false;
throw "Invalid face!!";
};
for (size_t i=0; i<num_edges; i++)
{
const size_t s = uE(i,0);
const size_t d = uE(i,1);
int count=0;
for (const auto& ei : uE2E[i])
{
const size_t fid = edge_index_to_face_index(ei);
if (is_consistent(fid, s, d))
{
count++;
}
else
{
count--;
}
}
if (count != 0)
{
return false;
}
}
return true;
}
template <typename DerivedF>
IGL_INLINE bool igl::piecewise_constant_winding_number(
const Eigen::MatrixBase<DerivedF>& F)
{
Eigen::Matrix<typename DerivedF::Scalar,Eigen::Dynamic,2> E, uE;
Eigen::Matrix<typename DerivedF::Scalar,Eigen::Dynamic,1> EMAP;
std::vector<std::vector<size_t> > uE2E;
unique_edge_map(F, E, uE, EMAP, uE2E);
return piecewise_constant_winding_number(F,uE,uE2E);
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
// generated by autoexplicit.sh
template bool igl::piecewise_constant_winding_number<Eigen::Matrix<int, -1, 3, 1, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, unsigned long>(Eigen::MatrixBase<Eigen::Matrix<int, -1, 3, 1, -1, 3> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::vector<std::vector<unsigned long, std::allocator<unsigned long> >, std::allocator<std::vector<unsigned long, std::allocator<unsigned long> > > > const&);
template bool igl::piecewise_constant_winding_number<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, unsigned long>(Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::MatrixBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::vector<std::vector<unsigned long, std::allocator<unsigned long> >, std::allocator<std::vector<unsigned long, std::allocator<unsigned long> > > > const&);
#ifdef WIN32
template bool igl::piecewise_constant_winding_number<class Eigen::Matrix<int, -1, -1, 0, -1, -1>, class Eigen::Matrix<int, -1, -1, 0, -1, -1>, unsigned __int64>(class Eigen::MatrixBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class Eigen::MatrixBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class std::vector<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>, class std::allocator<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>>> const &);
template bool igl::piecewise_constant_winding_number<class Eigen::Matrix<int, -1, 3, 1, -1, 3>, class Eigen::Matrix<int, -1, -1, 0, -1, -1>, unsigned __int64>(class Eigen::MatrixBase<class Eigen::Matrix<int, -1, 3, 1, -1, 3>> const &, class Eigen::MatrixBase<class Eigen::Matrix<int, -1, -1, 0, -1, -1>> const &, class std::vector<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>, class std::allocator<class std::vector<unsigned __int64, class std::allocator<unsigned __int64>>>> const &);
#endif
#endif