tgamma.hpp

Go to the documentation of this file.

// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2021 Tobias Hienzsch
 
#ifndef TETL_CMATH_TGAMMA_HPP
#define TETL_CMATH_TGAMMA_HPP
 
#include <etl/_3rd_party/gcem/gcem.hpp>
#include <etl/_concepts/integral.hpp>
 
namespace etl {
 
/// \ingroup cmath
/// @{
 
/// Computes the gamma function of arg.
/// \details https://en.cppreference.com/w/cpp/numeric/math/tgamma
[[nodiscard]] constexpr auto tgamma(float arg) noexcept -> float
{
    return etl::detail::gcem::tgamma(arg);
}
[[nodiscard]] constexpr auto tgammaf(float arg) noexcept -> float
{
    return etl::detail::gcem::tgamma(arg);
}
[[nodiscard]] constexpr auto tgamma(double arg) noexcept -> double
{
    return etl::detail::gcem::tgamma(arg);
}
[[nodiscard]] constexpr auto tgamma(long double arg) noexcept -> long double
{
    return etl::detail::gcem::tgamma(arg);
}
[[nodiscard]] constexpr auto tgammal(long double arg) noexcept -> long double
{
    return etl::detail::gcem::tgamma(arg);
}
[[nodiscard]] constexpr auto tgamma(integral auto arg) noexcept -> double
{
    return etl::tgamma(double(arg));
}
 
/// @}
 
} // namespace etl
 
#endif // TETL_CMATH_TGAMMA_HPP