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Merged branch 'dev_native' into lm_sla_supports_auto

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Added igl library files
This commit is contained in:
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/cross.cpp Normal file
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// 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/.
#include "cross.h"
// http://www.antisphere.com/Wiki/tools:anttweakbar
IGL_INLINE void igl::cross(
const double *a,
const double *b,
double *out)
{
out[0] = a[1]*b[2]-a[2]*b[1];
out[1] = a[2]*b[0]-a[0]*b[2];
out[2] = a[0]*b[1]-a[1]*b[0];
}
template <
typename DerivedA,
typename DerivedB,
typename DerivedC>
IGL_INLINE void igl::cross(
const Eigen::PlainObjectBase<DerivedA> & A,
const Eigen::PlainObjectBase<DerivedB> & B,
Eigen::PlainObjectBase<DerivedC> & C)
{
assert(A.cols() == 3 && "#cols should be 3");
assert(B.cols() == 3 && "#cols should be 3");
assert(A.rows() == B.rows() && "#rows in A and B should be equal");
C.resize(A.rows(),3);
for(int d = 0;d<3;d++)
{
C.col(d) =
A.col((d+1)%3).array() * B.col((d+2)%3).array() -
A.col((d+2)%3).array() * B.col((d+1)%3).array();
}
}
#ifdef IGL_STATIC_LIBRARY
template void igl::cross<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
template void igl::cross<Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, 1, 3, 1, 1, 3>, Eigen::Matrix<double, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, 1, 3, 1, 1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&);
#endif