base_math.hpp File Reference

#include <cstdint>
#include <cmath>
#include <climits>
#include <jau/int_types.hpp>
#include <jau/int_math_ct.hpp>

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Namespaces
namespace	jau
	__pack(...): Produces MSVC, clang and gcc compatible lead-in and -out macros.

Functions
template<typename T, std::enable_if_t< std::is_arithmetic_v< T > &&!std::is_unsigned_v< T >, bool > = true>
constexpr T	jau::abs (const T x) noexcept
	Returns the absolute value of an arithmetic number (w/ branching) in O(1)
template<typename T, std::enable_if_t< std::is_arithmetic_v< T >, bool > = true>
constexpr T	jau::clamp (const T x, const T min_val, const T max_val) noexcept
	Returns constrained integral value to lie between given min- and maximum value (w/ branching) in O(1).
template<class T, std::enable_if_t< std::is_arithmetic_v< T >, bool > = true>
bool	jau::in_range (const T &a, const T &b, const T &range)
	base_math: arithmetic types, i.e.
template<typename T, std::enable_if_t< std::is_arithmetic_v< T > &&!std::is_unsigned_v< T >, bool > = true>
constexpr T	jau::invert_sign (const T x) noexcept
	Safely inverts the sign of an arithmetic number w/ branching in O(1)
template<typename T, std::enable_if_t< std::is_arithmetic_v< T >, bool > = true>
constexpr T	jau::max (const T x, const T y) noexcept
	Returns the maximum of two integrals (w/ branching) in O(1)
template<typename T, std::enable_if_t< std::is_arithmetic_v< T >, bool > = true>
constexpr T	jau::min (const T x, const T y) noexcept
	Returns the minimum of two integrals (w/ branching) in O(1)
template<typename T, std::enable_if_t< std::is_arithmetic_v< T > &&!std::is_unsigned_v< T >, bool > = true>
constexpr int	jau::sign (const T x) noexcept
	Returns the value of the sign function (w/o branching ?) in O(1).