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https://github.com/FULU-Foundation/OrcaSlicer-bambulab.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.
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "face_occurrences.h"
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#include <map>
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#include "sort.h"
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#include <cassert>
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template <typename IntegerF, typename IntegerC>
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IGL_INLINE void igl::face_occurrences(
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const std::vector<std::vector<IntegerF> > & F,
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std::vector<IntegerC> & C)
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{
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using namespace std;
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// Get a list of sorted faces
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vector<vector<IntegerF> > sortedF = F;
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for(int i = 0; i < (int)F.size();i++)
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{
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sort(sortedF[i].begin(),sortedF[i].end());
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}
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// Count how many times each sorted face occurs
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map<vector<IntegerF>,int> counts;
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for(int i = 0; i < (int)sortedF.size();i++)
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{
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if(counts.find(sortedF[i]) == counts.end())
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{
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// initialize to count of 1
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counts[sortedF[i]] = 1;
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}else
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{
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// increment count
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counts[sortedF[i]]++;
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assert(counts[sortedF[i]] == 2 && "Input should be manifold");
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}
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}
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// Resize output to fit number of ones
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C.resize(F.size());
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for(int i = 0;i< (int)F.size();i++)
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{
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// sorted face should definitely be in counts map
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assert(counts.find(sortedF[i]) != counts.end());
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C[i] = counts[sortedF[i]];
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}
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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::face_occurrences<unsigned int, int>(std::vector<std::vector<unsigned int, std::allocator<unsigned int> >, std::allocator<std::vector<unsigned int, std::allocator<unsigned int> > > > const&, std::vector<int, std::allocator<int> >&);
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template void igl::face_occurrences<int, int>(std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > > const&, std::vector<int, std::allocator<int> >&);
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#endif
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