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https://github.com/SoftFever/OrcaSlicer.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
#include "dfs.h"
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#include "list_to_matrix.h"
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#include <vector>
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template <
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typename AType,
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typename DerivedD,
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typename DerivedP,
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typename DerivedC>
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IGL_INLINE void igl::dfs(
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const std::vector<std::vector<AType> > & A,
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const size_t s,
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Eigen::PlainObjectBase<DerivedD> & D,
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Eigen::PlainObjectBase<DerivedP> & P,
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Eigen::PlainObjectBase<DerivedC> & C)
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{
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std::vector<typename DerivedD::Scalar> vD;
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std::vector<typename DerivedP::Scalar> vP;
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std::vector<typename DerivedC::Scalar> vC;
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dfs(A,s,vD,vP,vC);
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list_to_matrix(vD,D);
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list_to_matrix(vP,P);
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list_to_matrix(vC,C);
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}
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template <
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typename AType,
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typename DType,
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typename PType,
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typename CType>
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IGL_INLINE void igl::dfs(
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const std::vector<std::vector<AType> > & A,
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const size_t s,
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std::vector<DType> & D,
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std::vector<PType> & P,
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std::vector<CType> & C)
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{
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// number of nodes
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int N = s+1;
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for(const auto & Ai : A) for(const auto & a : Ai) N = std::max(N,a+1);
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std::vector<bool> seen(N,false);
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P.resize(N,-1);
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std::function<void(const size_t, const size_t)> dfs_helper;
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dfs_helper = [&D,&P,&C,&dfs_helper,&seen,&A](const size_t s, const size_t p)
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{
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if(seen[s]) return;
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seen[s] = true;
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D.push_back(s);
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P[s] = p;
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for(const auto n : A[s]) dfs_helper(n,s);
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C.push_back(s);
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};
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dfs_helper(s,-1);
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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::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> >&);
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#endif
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