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| bool  | VW::math::are_same (T lhs, T rhs, T tolerance=DEFAULT_TOLERANCE) | 
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| template<typename T >  | 
| bool  | VW::math::are_same_rel (T lhs, T rhs, T tolerance=DEFAULT_TOLERANCE) | 
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| VW_STD14_CONSTEXPR int64_t  | VW::math::factorial (int64_t n) noexcept | 
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| int64_t  | VW::math::number_of_combinations_with_repetition (int64_t n, int64_t k) | 
|   | Both n and k must be non-zero.  More...
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| int64_t  | VW::math::number_of_permutations_with_repetition (int64_t n, int64_t k) | 
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| constexpr float  | VW::math::sign (float w) noexcept | 
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| VW_STD14_CONSTEXPR int64_t  | VW::math::choose (int64_t n, int64_t k) noexcept | 
|   | C(n,k) = n!/(k!(n-k)!)  More...
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| 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].  More...
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