real-time-cpp/ref_app/src/util/STL/stdfloat at a12e37d3b57f438673d6471055509fc19bf9f867 · ckormanyos/real-time-cpp · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
///////////////////////////////////////////////////////////////////////////////
//  Copyright Christopher Kormanyos 2007 - 2025.
//  Distributed under the Boost Software License,
//  Version 1.0. (See accompanying file LICENSE_1_0.txt
//  or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef STDFLOAT_2024_07_12
  #define STDFLOAT_2024_07_12

  #if defined(__GNUC__)
  #pragma GCC system_header
  #endif

  #include <limits>

  namespace std
  {
    using float32_t = float;
    #define __STDCPP_FLOAT32_T__ 1

    #if (defined(__GNUC__) && defined(__AVR__))

    #if(__GNUC__ >= 12)
    using float64_t = long double;
    #define __STDCPP_FLOAT64_T__ 1
    #endif

    #else

    using float64_t = double;
    #define __STDCPP_FLOAT64_T__ 1

    #endif
  }

  static_assert((std::numeric_limits<std::float32_t>::digits == 24), "Error: Incorrect float32_t type definition");
  static_assert((std::numeric_limits<std::float64_t>::digits == 53), "Error: Incorrect float64_t type definition");

#endif // STDFLOAT_2024_07_12