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CLK/Numeric/Sizes.hpp
2024-01-16 23:34:46 -05:00

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715 B
C++

//
// Sizes.hpp
// Clock Signal
//
// Created by Thomas Harte on 26/01/2021.
// Copyright © 2021 Thomas Harte. All rights reserved.
//
#pragma once
#include <limits>
#include <type_traits>
/*!
Maps to the smallest integral type that can contain max_value, from the following options:
* uint8_t;
* uint16_t;
* uint32_t; or
* uint64_t.
*/
template <uint64_t max_value> struct MinIntTypeValue {
using type =
std::conditional_t<
max_value <= std::numeric_limits<uint8_t>::max(), uint8_t,
std::conditional_t<
max_value <= std::numeric_limits<uint16_t>::max(), uint16_t,
std::conditional_t<
max_value <= std::numeric_limits<uint32_t>::max(), uint32_t,
uint64_t
>
>
>;
};