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CLK/InstructionSets/Sizes.hpp

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//
// Sizes.hpp
// Clock Signal
//
// Created by Thomas Harte on 26/01/2021.
// Copyright © 2021 Thomas Harte. All rights reserved.
//
#ifndef Sizes_h
#define Sizes_h
2021-03-12 19:27:29 +00:00
#include <limits>
/*!
Maps to the smallest of the following integers that can contain max_value:
* 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
>
>
>;
};
#endif /* Sizes_h */