ratio_equal.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_RATIO_EQUAL_HPP
#define TETL_RATIO_EQUAL_HPP
 
#include <etl/_ratio/ratio.hpp>
#include <etl/_type_traits/bool_constant.hpp>
 
namespace etl {
 
/// \brief Compares two ratio objects for equality at compile-time. If the
/// ratios R1 and R2 are equal, provides the member constant value equal true.
/// Otherwise, value is false.
/// \ingroup ratio
template <typename R1, typename R2>
struct ratio_equal : bool_constant<R1::num == R2::num && R1::den == R2::den> { };
 
/// \relates ratio_equal
/// \ingroup ratio
template <typename R1, typename R2>
inline constexpr bool ratio_equal_v = ratio_equal<R1, R2>::value;
 
} // namespace etl
 
#endif // TETL_RATIO_EQUAL_HPP