SeqAn3  3.2.0-rc.1
The Modern C++ library for sequence analysis.
integer_traits.hpp
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1 // -----------------------------------------------------------------------------------------------------
2 // Copyright (c) 2006-2022, Knut Reinert & Freie Universität Berlin
3 // Copyright (c) 2016-2022, Knut Reinert & MPI für molekulare Genetik
4 // This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
5 // shipped with this file and also available at: https://github.com/seqan/seqan3/blob/master/LICENSE.md
6 // -----------------------------------------------------------------------------------------------------
7 
8 #pragma once
9 
10 #include <limits>
11 #include <type_traits>
12 
13 #include <seqan3/core/platform.hpp>
14 
20 namespace seqan3::detail
21 {
22 
23 // ------------------------------------------------------------------
24 // min_viable_uint_t
25 // ------------------------------------------------------------------
26 
29 template <uint64_t value>
30 using min_viable_uint_t = std::conditional_t<
31  value <= 1ull,
32  bool,
33  std::conditional_t<value <= 255ull,
34  uint8_t,
35  std::conditional_t<value <= 65535ull,
36  uint16_t,
38 
42 template <uint64_t value>
43 constexpr auto min_viable_uint_v = static_cast<min_viable_uint_t<value>>(value);
44 
45 // ------------------------------------------------------------------
46 // size_in_values_v
47 // ------------------------------------------------------------------
48 
51 template <typename int_t>
52  requires std::is_integral_v<int_t>
53 constexpr size_t size_in_values_v =
55 
56 } // namespace seqan3::detail
requires requires
The rank_type of the semi-alphabet; defined as the return type of seqan3::to_rank....
Definition: alphabet/concept.hpp:164
T max(T... args)
Provides platform and dependency checks.