1 | // -*- C++ -*- |
2 | //===--------------------------- float.h ----------------------------------===// |
3 | // |
4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
5 | // See https://llvm.org/LICENSE.txt for license information. |
6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
7 | // |
8 | //===----------------------------------------------------------------------===// |
9 | |
10 | #ifndef _LIBCPP_FLOAT_H |
11 | #define _LIBCPP_FLOAT_H |
12 | |
13 | /* |
14 | float.h synopsis |
15 | |
16 | Macros: |
17 | |
18 | FLT_ROUNDS |
19 | FLT_EVAL_METHOD // C99 |
20 | FLT_RADIX |
21 | |
22 | FLT_MANT_DIG |
23 | DBL_MANT_DIG |
24 | LDBL_MANT_DIG |
25 | |
26 | FLT_HAS_SUBNORM // C11 |
27 | DBL_HAS_SUBNORM // C11 |
28 | LDBL_HAS_SUBNORM // C11 |
29 | |
30 | DECIMAL_DIG // C99 |
31 | FLT_DECIMAL_DIG // C11 |
32 | DBL_DECIMAL_DIG // C11 |
33 | LDBL_DECIMAL_DIG // C11 |
34 | |
35 | FLT_DIG |
36 | DBL_DIG |
37 | LDBL_DIG |
38 | |
39 | FLT_MIN_EXP |
40 | DBL_MIN_EXP |
41 | LDBL_MIN_EXP |
42 | |
43 | FLT_MIN_10_EXP |
44 | DBL_MIN_10_EXP |
45 | LDBL_MIN_10_EXP |
46 | |
47 | FLT_MAX_EXP |
48 | DBL_MAX_EXP |
49 | LDBL_MAX_EXP |
50 | |
51 | FLT_MAX_10_EXP |
52 | DBL_MAX_10_EXP |
53 | LDBL_MAX_10_EXP |
54 | |
55 | FLT_MAX |
56 | DBL_MAX |
57 | LDBL_MAX |
58 | |
59 | FLT_EPSILON |
60 | DBL_EPSILON |
61 | LDBL_EPSILON |
62 | |
63 | FLT_MIN |
64 | DBL_MIN |
65 | LDBL_MIN |
66 | |
67 | FLT_TRUE_MIN // C11 |
68 | DBL_TRUE_MIN // C11 |
69 | LDBL_TRUE_MIN // C11 |
70 | |
71 | */ |
72 | |
73 | #include <__config> |
74 | |
75 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
76 | #pragma GCC system_header |
77 | #endif |
78 | |
79 | #include_next <float.h> |
80 | |
81 | #ifdef __cplusplus |
82 | |
83 | #ifndef FLT_EVAL_METHOD |
84 | #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ |
85 | #endif |
86 | |
87 | #ifndef DECIMAL_DIG |
88 | #define DECIMAL_DIG __DECIMAL_DIG__ |
89 | #endif |
90 | |
91 | #endif // __cplusplus |
92 | |
93 | #endif // _LIBCPP_FLOAT_H |
94 | |