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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
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Lukas Matena 2018-10-26 15:45:52 +02:00
commit 7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
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src/igl/face_areas.h Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2014 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_FACE_AREAS_H
#define IGL_FACE_AREAS_H
#include "igl_inline.h"
#include <Eigen/Dense>
namespace igl
{
// Constructs a list of face areas of faces opposite each index in a tet list
//
// Inputs:
// V #V by 3 list of mesh vertex positions
// T #T by 3 list of tet mesh indices into V
// Outputs:
// A #T by 4 list of face areas corresponding to faces opposite vertices
// 0,1,2,3
//
template <typename DerivedV, typename DerivedT, typename DerivedA>
IGL_INLINE void face_areas(
const Eigen::MatrixBase<DerivedV>& V,
const Eigen::MatrixBase<DerivedT>& T,
Eigen::PlainObjectBase<DerivedA>& A);
// Compute tet-mesh face areas from edge lengths.
//
// Inputs:
// L #T by 6 list of tet-mesh edge lengths corresponding to edges
// [3 0],[3 1],[3 2],[1 2],[2 0],[0 1]
// Outputs:
// A #T by 4 list of face areas corresponding to faces opposite vertices
// 0,1,2,3: i.e. made of edges [123],[024],[015],[345]
//
//
template <typename DerivedL, typename DerivedA>
IGL_INLINE void face_areas(
const Eigen::MatrixBase<DerivedL>& L,
Eigen::PlainObjectBase<DerivedA>& A);
// doublearea_nan_replacement See doublearea.h
template <typename DerivedL, typename DerivedA>
IGL_INLINE void face_areas(
const Eigen::MatrixBase<DerivedL>& L,
const typename DerivedL::Scalar doublearea_nan_replacement,
Eigen::PlainObjectBase<DerivedA>& A);
}
#ifndef IGL_STATIC_LIBRARY
# include "face_areas.cpp"
#endif
#endif