45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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// 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_UNIQUE_SIMPLICES_H
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#define IGL_UNIQUE_SIMPLICES_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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// Find *combinatorially* unique simplices in F. **Order independent**
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//
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// Inputs:
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// F #F by simplex-size list of simplices
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// Outputs:
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// FF #FF by simplex-size list of unique simplices in F
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// IA #FF index vector so that FF == sort(F(IA,:),2);
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// IC #F index vector so that sort(F,2) == FF(IC,:);
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template <
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typename DerivedF,
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typename DerivedFF,
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typename DerivedIA,
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typename DerivedIC>
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IGL_INLINE void unique_simplices(
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const Eigen::MatrixBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedFF>& FF,
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Eigen::PlainObjectBase<DerivedIA>& IA,
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Eigen::PlainObjectBase<DerivedIC>& IC);
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template <
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typename DerivedF,
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typename DerivedFF>
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IGL_INLINE void unique_simplices(
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const Eigen::MatrixBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedFF>& FF);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "unique_simplices.cpp"
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#endif
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#endif
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