stdlib/tst-strtod.h

   1 /* Common utilities for testing strtod and its derivatives.
   2    This file is part of the GNU C Library.
   3    Copyright (C) 2016-2023 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