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43 lines
1.2 KiB
43 lines
1.2 KiB
1 year ago
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// 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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#ifndef IGL_COPYLEFT_CGAL_INCIRCLE_H
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#define IGL_COPYLEFT_CGAL_INCIRCLE_H
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#include "../../igl_inline.h"
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namespace igl
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{
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namespace copyleft
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{
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namespace cgal
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{
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/// Test whether point is in a given circle
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///
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/// @param[in] pa 2D point on sphere
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/// @param[in] pb 2D point on sphere
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/// @param[in] pc 2D point on sphere
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/// @param[in] pd 2D point to test
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/// @return 1 if pd is inside of the oriented circle formed by pa,pb,pc.
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/// 0 if pd is co-circular with pa,pb,pc.
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/// -1 if pd is outside of the oriented circle formed by pa,pb,pc.
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template <typename Scalar>
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IGL_INLINE short incircle(
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const Scalar *pa,
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const Scalar *pb,
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const Scalar *pc,
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const Scalar *pd);
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}
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "incircle.cpp"
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#endif
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#endif
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