45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License
|
|
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
|
// obtain one at http://mozilla.org/MPL/2.0/.
|
|
#ifndef IGL_UNIQUE_SIMPLICES_H
|
|
#define IGL_UNIQUE_SIMPLICES_H
|
|
#include "igl_inline.h"
|
|
#include <Eigen/Dense>
|
|
namespace igl
|
|
{
|
|
// Find *combinatorially* unique simplices in F. **Order independent**
|
|
//
|
|
// Inputs:
|
|
// F #F by simplex-size list of simplices
|
|
// Outputs:
|
|
// FF #FF by simplex-size list of unique simplices in F
|
|
// IA #FF index vector so that FF == sort(F(IA,:),2);
|
|
// IC #F index vector so that sort(F,2) == FF(IC,:);
|
|
template <
|
|
typename DerivedF,
|
|
typename DerivedFF,
|
|
typename DerivedIA,
|
|
typename DerivedIC>
|
|
IGL_INLINE void unique_simplices(
|
|
const Eigen::MatrixBase<DerivedF>& F,
|
|
Eigen::PlainObjectBase<DerivedFF>& FF,
|
|
Eigen::PlainObjectBase<DerivedIA>& IA,
|
|
Eigen::PlainObjectBase<DerivedIC>& IC);
|
|
template <
|
|
typename DerivedF,
|
|
typename DerivedFF>
|
|
IGL_INLINE void unique_simplices(
|
|
const Eigen::MatrixBase<DerivedF>& F,
|
|
Eigen::PlainObjectBase<DerivedFF>& FF);
|
|
}
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "unique_simplices.cpp"
|
|
#endif
|
|
|
|
#endif
|