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KFR

Other math functions

Other math functions¶

`factorial` function¶

constexpr uint64_t factorial(int n)

Returns the factorial of an argument. Returns max(uint64_t) if does not fit to uint64_t

`factorial_approx` function¶

template <typename T1, KFR_ENABLE_IF(is_numeric<T1>)>
flt_type<T1> factorial_approx(const T1 &x)

Returns the approximate factorial of an argument

`gamma` function¶

template <typename T1, KFR_ENABLE_IF(is_numeric<T1>)>
flt_type<T1> gamma(const T1 &x)

Returns the approximate gamma function of an argument

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