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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/dfs.cpp Normal file
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#include "dfs.h"
#include "list_to_matrix.h"
#include <vector>
template <
typename AType,
typename DerivedD,
typename DerivedP,
typename DerivedC>
IGL_INLINE void igl::dfs(
const std::vector<std::vector<AType> > & A,
const size_t s,
Eigen::PlainObjectBase<DerivedD> & D,
Eigen::PlainObjectBase<DerivedP> & P,
Eigen::PlainObjectBase<DerivedC> & C)
{
std::vector<typename DerivedD::Scalar> vD;
std::vector<typename DerivedP::Scalar> vP;
std::vector<typename DerivedC::Scalar> vC;
dfs(A,s,vD,vP,vC);
list_to_matrix(vD,D);
list_to_matrix(vP,P);
list_to_matrix(vC,C);
}
template <
typename AType,
typename DType,
typename PType,
typename CType>
IGL_INLINE void igl::dfs(
const std::vector<std::vector<AType> > & A,
const size_t s,
std::vector<DType> & D,
std::vector<PType> & P,
std::vector<CType> & C)
{
// number of nodes
int N = s+1;
for(const auto & Ai : A) for(const auto & a : Ai) N = std::max(N,a+1);
std::vector<bool> seen(N,false);
P.resize(N,-1);
std::function<void(const size_t, const size_t)> dfs_helper;
dfs_helper = [&D,&P,&C,&dfs_helper,&seen,&A](const size_t s, const size_t p)
{
if(seen[s]) return;
seen[s] = true;
D.push_back(s);
P[s] = p;
for(const auto n : A[s]) dfs_helper(n,s);
C.push_back(s);
};
dfs_helper(s,-1);
}
#ifdef IGL_STATIC_LIBRARY
// Explicit template instantiation
// generated by autoexplicit.sh
template void igl::dfs<int, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, const size_t, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
#endif