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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.
50 lines
1.6 KiB
C++
50 lines
1.6 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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#ifndef IGL_SQUARED_EDGE_LENGTHS_H
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#define IGL_SQUARED_EDGE_LENGTHS_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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namespace igl
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{
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// Constructs a list of squared lengths of edges opposite each index in a face
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// (triangle/tet) list
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//
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// Templates:
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// DerivedV derived from vertex positions matrix type: i.e. MatrixXd
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// DerivedF derived from face indices matrix type: i.e. MatrixXi
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// DerivedL derived from edge lengths matrix type: i.e. MatrixXd
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// Inputs:
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// V eigen matrix #V by 3
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// F #F by 2 list of mesh edges
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// or
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// F #F by 3 list of mesh faces (must be triangles)
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// or
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// T #T by 4 list of mesh elements (must be tets)
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// Outputs:
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// L #F by {1|3|6} list of edge lengths squared
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// for edges, column of lengths
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// for triangles, columns correspond to edges [1,2],[2,0],[0,1]
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// for tets, columns correspond to edges
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// [3 0],[3 1],[3 2],[1 2],[2 0],[0 1]
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//
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template <typename DerivedV, typename DerivedF, typename DerivedL>
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IGL_INLINE void squared_edge_lengths(
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const Eigen::MatrixBase<DerivedV>& V,
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const Eigen::MatrixBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedL>& L);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "squared_edge_lengths.cpp"
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#endif
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#endif
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