1/* Common utilities for testing strtod and its derivatives.
2 This file is part of the GNU C Library.
3 Copyright (C) 2016-2022 Free Software Foundation, Inc.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _TST_STRTOD_H
20#define _TST_STRTOD_H
21
22#define FSTRLENMAX 128
23
24#include <bits/floatn.h>
25
26#define F16 __f16 ()
27#define F32 __f32 ()
28#define F64 __f64 ()
29#define F128 __f128 ()
30#define F32X __f32x ()
31#define F64X __f64x ()
32#define F128X __f128x ()
33
34/* Test strfromfN and strtofN on all platforms that provide them,
35 whether or not the type _FloatN is ABI-distinct from other types;
36 likewise _FloatNx functions. */
37#if __HAVE_FLOAT16
38# define IF_FLOAT16(x) x
39#else
40# define IF_FLOAT16(x)
41#endif
42
43#if __HAVE_FLOAT32
44# define IF_FLOAT32(x) x
45#else
46# define IF_FLOAT32(x)
47#endif
48
49#if __HAVE_FLOAT64
50# define IF_FLOAT64(x) x
51#else
52# define IF_FLOAT64(x)
53#endif
54
55#if __HAVE_FLOAT128
56# define IF_FLOAT128(x) x
57#else
58# define IF_FLOAT128(x)
59#endif
60
61#if __HAVE_FLOAT32X
62# define IF_FLOAT32X(x) x
63#else
64# define IF_FLOAT32X(x)
65#endif
66
67#if __HAVE_FLOAT64X
68# define IF_FLOAT64X(x) x
69#else
70# define IF_FLOAT64X(x)
71#endif
72
73#if __HAVE_FLOAT128X
74# define IF_FLOAT128X(x) x
75#else
76# define IF_FLOAT128X(x)
77#endif
78
79/* Provide an extra parameter expansion for mfunc. */
80#define MMFUNC(mmfunc, ...) mmfunc (__VA_ARGS__)
81
82/* Splat n variants of the same test for the various strtod functions. */
83#define GEN_TEST_STRTOD_FOREACH(mfunc, ...) \
84 mfunc ( f, float, strfromf, f, f, ##__VA_ARGS__) \
85 mfunc ( d, double, strfromd, , , ##__VA_ARGS__) \
86 mfunc ( ld, long double, strfroml, L, l, ##__VA_ARGS__) \
87 IF_FLOAT16 (MMFUNC \
88 (mfunc, f16, _Float16, strfromf16, F16, f16, ##__VA_ARGS__)) \
89 IF_FLOAT32 (MMFUNC \
90 (mfunc, f32, _Float32, strfromf32, F32, f32, ##__VA_ARGS__)) \
91 IF_FLOAT64 (MMFUNC \
92 (mfunc, f64, _Float64, strfromf64, F64, f64, ##__VA_ARGS__)) \
93 IF_FLOAT128 (MMFUNC \
94 (mfunc, f128, _Float128, strfromf128, F128, f128, ##__VA_ARGS__)) \
95 IF_FLOAT32X (MMFUNC \
96 (mfunc, f32x, _Float32x, strfromf32x, F32X, f32x, ##__VA_ARGS__)) \
97 IF_FLOAT64X (MMFUNC \
98 (mfunc, f64x, _Float64x, strfromf64x, F64X, f64x, ##__VA_ARGS__)) \
99 IF_FLOAT128X (MMFUNC \
100 (mfunc, f128x, _Float128x, strfromf128x, F128X, f128x, ##__VA_ARGS__))
101/* The arguments to the generated macros are:
102 FSUF - Function suffix
103 FTYPE - float type
104 FTOSTR - float to string func
105 LSUF - Literal suffix
106 CSUF - C standardish suffix for many of the math functions
107*/
108
109
110
111#define STRTOD_TEST_FOREACH(mfunc, ...) \
112({ \
113 int result = 0; \
114 result |= mfunc ## f (__VA_ARGS__); \
115 result |= mfunc ## d (__VA_ARGS__); \
116 result |= mfunc ## ld (__VA_ARGS__); \
117 IF_FLOAT16 (result |= mfunc ## f16 (__VA_ARGS__)); \
118 IF_FLOAT32 (result |= mfunc ## f32 (__VA_ARGS__)); \
119 IF_FLOAT64 (result |= mfunc ## f64 (__VA_ARGS__)); \
120 IF_FLOAT128 (result |= mfunc ## f128 (__VA_ARGS__)); \
121 IF_FLOAT32X (result |= mfunc ## f32x (__VA_ARGS__)); \
122 IF_FLOAT64X (result |= mfunc ## f64x (__VA_ARGS__)); \
123 IF_FLOAT128X (result |= mfunc ## f128x (__VA_ARGS__)); \
124 result; \
125})
126
127
128#endif
129

source code of glibc/stdlib/tst-strtod.h