diff options
Diffstat (limited to 'include/float.h')
| -rw-r--r-- | include/float.h | 108 |
1 files changed, 92 insertions, 16 deletions
diff --git a/include/float.h b/include/float.h index 939c83de4f..7e65bb83cb 100644 --- a/include/float.h +++ b/include/float.h @@ -10,28 +10,104 @@ #include_next <float.h> -/* Supplement float.h macros for _Float128 for older compilers - which do not yet support the type. These are described in - TS 18661-3. */ +/* Supplement float.h macros for _FloatN and _FloatNx for older + compilers which do not yet support the type. These are described + in TS 18661-3. */ #include <features.h> #include <bits/floatn.h> -#if !__GNUC_PREREQ (7, 0) \ - && __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT) -# define FLT128_MANT_DIG 113 -# define FLT128_DECIMAL_DIG 36 -# define FLT128_DIG 33 -# define FLT128_MIN_EXP (-16381) -# define FLT128_MIN_10_EXP (-4931) -# define FLT128_MAX_EXP 16384 -# define FLT128_MAX_10_EXP 4932 -# define FLT128_MAX \ +#if !__GNUC_PREREQ (7, 0) && __GLIBC_USE (IEC_60559_TYPES_EXT) + +# if __HAVE_FLOAT128 +# define FLT128_MANT_DIG 113 +# define FLT128_DECIMAL_DIG 36 +# define FLT128_DIG 33 +# define FLT128_MIN_EXP (-16381) +# define FLT128_MIN_10_EXP (-4931) +# define FLT128_MAX_EXP 16384 +# define FLT128_MAX_10_EXP 4932 +# define FLT128_MAX \ __f128 (1.18973149535723176508575932662800702e+4932) -# define FLT128_EPSILON \ +# define FLT128_EPSILON \ __f128 (1.92592994438723585305597794258492732e-34) -# define FLT128_MIN \ +# define FLT128_MIN \ __f128 (3.36210314311209350626267781732175260e-4932) -# define FLT128_TRUE_MIN \ +# define FLT128_TRUE_MIN \ __f128 (6.47517511943802511092443895822764655e-4966) +# endif + +/* Types other than _Float128 are typedefs for other types with old + compilers. */ + +# if __HAVE_FLOAT32 +# define FLT32_MANT_DIG FLT_MANT_DIG +# define FLT32_DECIMAL_DIG FLT_DECIMAL_DIG +# define FLT32_DIG FLT_DIG +# define FLT32_MIN_EXP FLT_MIN_EXP +# define FLT32_MIN_10_EXP FLT_MIN_10_EXP +# define FLT32_MAX_EXP FLT_MAX_EXP +# define FLT32_MAX_10_EXP FLT_MAX_10_EXP +# define FLT32_MAX FLT_MAX +# define FLT32_EPSILON FLT_EPSILON +# define FLT32_MIN FLT_MIN +# define FLT32_TRUE_MIN FLT_TRUE_MIN +# endif + +# if __HAVE_FLOAT64 +# define FLT64_MANT_DIG DBL_MANT_DIG +# define FLT64_DECIMAL_DIG DBL_DECIMAL_DIG +# define FLT64_DIG DBL_DIG +# define FLT64_MIN_EXP DBL_MIN_EXP +# define FLT64_MIN_10_EXP DBL_MIN_10_EXP +# define FLT64_MAX_EXP DBL_MAX_EXP +# define FLT64_MAX_10_EXP DBL_MAX_10_EXP +# define FLT64_MAX DBL_MAX +# define FLT64_EPSILON DBL_EPSILON +# define FLT64_MIN DBL_MIN +# define FLT64_TRUE_MIN DBL_TRUE_MIN +# endif + +# if __HAVE_FLOAT32X +# define FLT32X_MANT_DIG DBL_MANT_DIG +# define FLT32X_DECIMAL_DIG DBL_DECIMAL_DIG +# define FLT32X_DIG DBL_DIG +# define FLT32X_MIN_EXP DBL_MIN_EXP +# define FLT32X_MIN_10_EXP DBL_MIN_10_EXP +# define FLT32X_MAX_EXP DBL_MAX_EXP +# define FLT32X_MAX_10_EXP DBL_MAX_10_EXP +# define FLT32X_MAX DBL_MAX +# define FLT32X_EPSILON DBL_EPSILON +# define FLT32X_MIN DBL_MIN +# define FLT32X_TRUE_MIN DBL_TRUE_MIN +# endif + +# if __HAVE_FLOAT64X +# if __HAVE_FLOAT64X_LONG_DOUBLE +# define FLT64X_MANT_DIG LDBL_MANT_DIG +# define FLT64X_DECIMAL_DIG LDBL_DECIMAL_DIG +# define FLT64X_DIG LDBL_DIG +# define FLT64X_MIN_EXP LDBL_MIN_EXP +# define FLT64X_MIN_10_EXP LDBL_MIN_10_EXP +# define FLT64X_MAX_EXP LDBL_MAX_EXP +# define FLT64X_MAX_10_EXP LDBL_MAX_10_EXP +# define FLT64X_MAX LDBL_MAX +# define FLT64X_EPSILON LDBL_EPSILON +# define FLT64X_MIN LDBL_MIN +# define FLT64X_TRUE_MIN LDBL_TRUE_MIN +# else +# define FLT64X_MANT_DIG FLT128_MANT_DIG +# define FLT64X_DECIMAL_DIG FLT128_DECIMAL_DIG +# define FLT64X_DIG FLT128_DIG +# define FLT64X_MIN_EXP FLT128_MIN_EXP +# define FLT64X_MIN_10_EXP FLT128_MIN_10_EXP +# define FLT64X_MAX_EXP FLT128_MAX_EXP +# define FLT64X_MAX_10_EXP FLT128_MAX_10_EXP +# define FLT64X_MAX FLT128_MAX +# define FLT64X_EPSILON FLT128_EPSILON +# define FLT64X_MIN FLT128_MIN +# define FLT64X_TRUE_MIN FLT128_TRUE_MIN +# endif +# endif + #endif #endif /* _LIBC_FLOAT_H */ |