dust3d/third_party/libigl/include/igl/all_pairs_distances.h

42 lines
1.1 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_ALL_PAIRS_DISTANCES_H
#define IGL_ALL_PAIRS_DISTANCES_H
#include "igl_inline.h"
namespace igl
{
// ALL_PAIRS_DISTANCES compute distances between each point i in V and point j
// in U
//
// D = all_pairs_distances(V,U)
//
// Templates:
// Mat matrix class like MatrixXd
// Inputs:
// V #V by dim list of points
// U #U by dim list of points
// squared whether to return squared distances
// Outputs:
// D #V by #U matrix of distances, where D(i,j) gives the distance or
// squareed distance between V(i,:) and U(j,:)
//
template <typename Mat>
IGL_INLINE void all_pairs_distances(
const Mat & V,
const Mat & U,
const bool squared,
Mat & D);
}
#ifndef IGL_STATIC_LIBRARY
# include "all_pairs_distances.cpp"
#endif
#endif