OGLplus  (0.59.0) a C++ wrapper for rendering APIs
constants.hpp
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1 #ifndef EAGINE_MATH_CONSTANTS_HPP
9 #define EAGINE_MATH_CONSTANTS_HPP
10 
11 #include <cmath>
12 
13 namespace eagine::math {
14 
19 
20 #ifdef M_PI
21 static constexpr const auto pi = M_PI;
22 #else
23 static constexpr const auto pi = 3.14159265358979323846;
24 #endif
25 
30 
31 static const auto phi = (1.0 + std::sqrt(5.0)) * 0.5;
32 
33 } // namespace eagine::math
34 
35 #endif // EAGINE_MATH_CONSTANTS_HPP
eagine::math::pi
static constexpr const auto pi
The pi constant.
Definition: constants.hpp:23
eagine::math
Math-related code is placed in this namespace.
Definition: eagine.hpp:48
eagine::math::phi
static const auto phi
The phi constant.
Definition: constants.hpp:31

Copyright © 2015-2021 Matúš Chochlík.
<chochlik -at -gmail.com>
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