acos.hpp File Reference

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Namespaces
namespace	internal

Functions
template<typename T >
constexpr T	internal::acos_compute (const T x) noexcept
template<typename T >
constexpr T	internal::acos_check (const T x) noexcept
template<typename T >
constexpr return_t< T >	acos (const T x) noexcept
	Compile-time arccosine function. More...

Function Documentation

acos()

template<typename T >

constexpr return_t< T > acos ( const T  x )

constexprnoexcept

Compile-time arccosine function.

Parameters

x	a real-valued input, where \( x \in [-1,1] \).

Returns

the inverse cosine function using

\[ \text{acos}(x) = \text{atan} \left( \frac{\sqrt{1-x^2}}{x} \right) \]