dust3d/third_party/libigl/include/igl/bone_parents.cpp

33 lines
1.0 KiB
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2015 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/.
#include "bone_parents.h"
template <typename DerivedBE, typename DerivedP>
IGL_INLINE void igl::bone_parents(
const Eigen::PlainObjectBase<DerivedBE>& BE,
Eigen::PlainObjectBase<DerivedP>& P)
{
P.resize(BE.rows(),1);
// Stupid O(n²) version
for(int e = 0;e<BE.rows();e++)
{
P(e) = -1;
for(int f = 0;f<BE.rows();f++)
{
if(BE(e,0) == BE(f,1))
{
P(e) = f;
}
}
}
}
#ifdef IGL_STATIC_LIBRARY
template void igl::bone_parents<Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, 1, 0, -1, 1> >(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> >&);
#endif