consts.hpp

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#pragma once
 
#include <concepts>
 
namespace nem
{
    template <std::floating_point T> constexpr T SQRT2 =        (T)1.414213562373095;
    template <std::floating_point T> constexpr T SQRT3 =        (T)1.73205080756887;
    template <std::floating_point T> constexpr T SQRT5 =        (T)2.236067977499789;
    template <std::floating_point T> constexpr T PI =           (T)3.141592653589793;
    template <std::floating_point T> constexpr T HALF_PI =      (T)nem::PI<T> * (T)0.5;
    template <std::floating_point T> constexpr T QUARTER_PI =   (T)nem::PI<T> * (T)0.25;
    template <std::floating_point T> constexpr T TWO_PI =       (T)nem::PI<T> * (T)2.0;
    template <std::floating_point T> constexpr T E =            (T)2.718281828459045;
    template <std::floating_point T> constexpr T ESQR =            nem::E<T> * nem::E<T>;
    template <std::floating_point T> constexpr T PHI =          (T)1.618033988749894;
    template <std::floating_point T> constexpr T DEG_TO_RAD =      nem::TWO_PI<T> / (T)360.0;
    template <std::floating_point T> constexpr T RAD_TO_DEG =   (T)1.0 / nem::DEG_TO_RAD<T>;
    template <std::floating_point T> constexpr T LN2 =          (T)0.6931471805599453094;
 
    template <std::floating_point T> constexpr T LOG2E =            (T)1.44269504088896340735992;
}