VW::math Namespace Reference

Functions
template<typename T >
bool	are_same (T lhs, T rhs, T tolerance=0.0001)
template<typename T >
bool	are_same_rel (T lhs, T rhs, T tolerance=0.0001)
VW_STD14_CONSTEXPR int64_t	factorial (int64_t n) noexcept
int64_t	number_of_combinations_with_repetition (int64_t n, int64_t k)
	Both n and k must be non-zero. More...
int64_t	number_of_permutations_with_repetition (int64_t n, int64_t k)
constexpr float	sign (float w) noexcept
VW_STD14_CONSTEXPR int64_t	choose (int64_t n, int64_t k) noexcept
	C(n,k) = n!/(k!(n-k)!) More...
template<typename T >
VW_STD14_CONSTEXPR T	clamp (const T &num, const T &lower_bound, const T &upper_bound)
	Clamp a value in the range [lower_bound, upper_bound]. More...

Variables
constexpr float	DEFAULT_FLOAT_TOLERANCE = static_cast<float>( 0.0001 )

Function Documentation

are_same()

template<typename T >

bool VW::math::are_same	(	T	lhs,
		T	rhs,
		T	tolerance = 0.0001
	)

are_same_rel()

template<typename T >

bool VW::math::are_same_rel	(	T	lhs,
		T	rhs,
		T	tolerance = 0.0001
	)

choose()

VW_STD14_CONSTEXPR int64_t VW::math::choose ( int64_t  n, int64_t  k  )

inlinenoexcept

C(n,k) = n!/(k!(n-k)!)

clamp()

template<typename T >

VW_STD14_CONSTEXPR T VW::math::clamp	(	const T &	num,
		const T &	lower_bound,
		const T &	upper_bound
	)

Clamp a value in the range [lower_bound, upper_bound].

Parameters

num	value to clamp
lower_bound	lower bound of clamp range
upper_bound	upper bound of clamp range

factorial()

VW_STD14_CONSTEXPR int64_t VW::math::factorial ( int64_t  n )

inlinenoexcept

number_of_combinations_with_repetition()

int64_t VW::math::number_of_combinations_with_repetition ( int64_t  n, int64_t  k  )

inline

Both n and k must be non-zero.

number_of_permutations_with_repetition()

int64_t VW::math::number_of_permutations_with_repetition ( int64_t  n, int64_t  k  )

inline

sign()

constexpr float VW::math::sign ( float  w )

inlineconstexprnoexcept

Variable Documentation

DEFAULT_FLOAT_TOLERANCE

constexpr float VW::math::DEFAULT_FLOAT_TOLERANCE = static_cast<float>( 0.0001 )

constexpr