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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/point_simplex_squared_distance.h Normal file
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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 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_POINT_SIMPLEX_SQUARED_DISTANCE_H
#define IGL_POINT_SIMPLEX_SQUARED_DISTANCE_H
#include "igl_inline.h"
#include <Eigen/Core>
namespace igl
{
// Determine squared distance from a point to linear simplex.
//
// Inputs:
// p d-long query point
// V #V by d list of vertices
// Ele #Ele by ss<=d+1 list of simplex indices into V
// i index into Ele of simplex
// Outputs:
// sqr_d squared distance of Ele(i) to p
// c closest point on Ele(i)
//
template <
int DIM,
typename Derivedp,
typename DerivedV,
typename DerivedEle,
typename Derivedsqr_d,
typename Derivedc>
IGL_INLINE void point_simplex_squared_distance(
const Eigen::MatrixBase<Derivedp> & p,
const Eigen::MatrixBase<DerivedV> & V,
const Eigen::MatrixBase<DerivedEle> & Ele,
const typename DerivedEle::Index i,
Derivedsqr_d & sqr_d,
Eigen::MatrixBase<Derivedc> & c);
// Determine squared distance from a point to linear simplex.
// Also return barycentric coordinate of closest point.
//
// Inputs:
// p d-long query point
// V #V by d list of vertices
// Ele #Ele by ss<=d+1 list of simplex indices into V
// i index into Ele of simplex
// Outputs:
// sqr_d squared distance of Ele(i) to p
// c closest point on Ele(i)
// b barycentric coordinates of closest point on Ele(i)
//
template <
int DIM,
typename Derivedp,
typename DerivedV,
typename DerivedEle,
typename Derivedsqr_d,
typename Derivedc,
typename Derivedb>
IGL_INLINE void point_simplex_squared_distance(
const Eigen::MatrixBase<Derivedp> & p,
const Eigen::MatrixBase<DerivedV> & V,
const Eigen::MatrixBase<DerivedEle> & Ele,
const typename DerivedEle::Index i,
Derivedsqr_d & sqr_d,
Eigen::MatrixBase<Derivedc> & c,
Eigen::PlainObjectBase<Derivedb> & b);
}
#ifndef IGL_STATIC_LIBRARY
# include "point_simplex_squared_distance.cpp"
#endif
#endif