2020-07-15 18:05:52 +00:00
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// Copyright 2020, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Wrapper header for <math.h> to ensure pi-related math constants are
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* defined.
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*
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* Use this instead of directly including <math.H> in headers and when
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* you need M_PI and its friends.
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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*
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* @ingroup aux_math
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*/
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#pragma once
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2021-12-02 23:41:52 +00:00
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#define _USE_MATH_DEFINES // for M_PI // NOLINT
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2020-07-15 18:05:52 +00:00
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#ifdef __cplusplus
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#include <cmath>
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#endif
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2021-12-02 23:41:52 +00:00
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#include <math.h>
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2021-03-30 18:48:01 +00:00
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// Might be missing on Windows.
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#ifndef M_PI
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#define M_PI (3.14159265358979323846)
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#endif
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// Might be missing on Windows.
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#ifndef M_PIl
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#define M_PIl (3.14159265358979323846264338327950288)
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#endif
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2020-07-15 18:05:52 +00:00
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#ifndef M_1_PI
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#define M_1_PI (1. / M_PI)
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#endif
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