cos.hpp File Reference

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Namespaces
namespace	internal

Functions
template<typename T >
constexpr T	internal::cos_compute (const T x) noexcept
template<typename T >
constexpr T	internal::cos_check (const T x) noexcept
template<typename T >
constexpr return_t< T >	cos (const T x) noexcept
	Compile-time cosine function. More...

Function Documentation

cos()

template<typename T >

constexpr return_t< T > cos ( const T  x )

constexprnoexcept

Compile-time cosine function.

Parameters

x	a real-valued input.

Returns

the cosine function using

\[ \cos(x) = \frac{1-\tan^2(x/2)}{1+\tan^2(x/2)} \]