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