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21116995d7
* 1. Remove all global include_directories.
* 2. Move 3d party dependencies from src to budled deps if possible.
* Unify and enforce one way of including headers:
e.g. #include "libslic3r/GCode.hpp" vs #include "GCode.hpp"
(always use the "libslic3r/GCode.hpp" option).
* Make all dependencies (also header only) a cmake target.
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 Qingan Zhou <qnzhou@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "orient3D.h"
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#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
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#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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template<typename Scalar>
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IGL_INLINE short igl::copyleft::cgal::orient3D(
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const Scalar pa[3],
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const Scalar pb[3],
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const Scalar pc[3],
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const Scalar pd[3])
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{
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typedef CGAL::Exact_predicates_exact_constructions_kernel Epeck;
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typedef CGAL::Exact_predicates_inexact_constructions_kernel Epick;
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typedef typename std::conditional<std::is_same<Scalar, Epeck::FT>::value,
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Epeck, Epick>::type Kernel;
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switch(CGAL::orientation(
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typename Kernel::Point_3(pa[0], pa[1], pa[2]),
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typename Kernel::Point_3(pb[0], pb[1], pb[2]),
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typename Kernel::Point_3(pc[0], pc[1], pc[2]),
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typename Kernel::Point_3(pd[0], pd[1], pd[2]))) {
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case CGAL::POSITIVE:
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return 1;
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case CGAL::NEGATIVE:
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return -1;
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case CGAL::COPLANAR:
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return 0;
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default:
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throw "Invalid orientation";
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}
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}
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