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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/angular_distance.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 "angular_distance.h"
#include <igl/EPS.h>
#include <igl/PI.h>
IGL_INLINE double igl::angular_distance(
const Eigen::Quaterniond & A,
const Eigen::Quaterniond & B)
{
assert(fabs(A.norm()-1)<FLOAT_EPS && "A should be unit norm");
assert(fabs(B.norm()-1)<FLOAT_EPS && "B should be unit norm");
//// acos is always in [0,2*pi)
//return acos(fabs(A.dot(B)));
return fmod(2.*acos(A.dot(B)),2.*PI);
}