| #ifndef _LIBC_FLOAT_H |
| #define _LIBC_FLOAT_H |
| |
| #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION |
| #include <bits/libc-header-start.h> |
| |
| #ifndef _ISOMAC |
| # define __STDC_WANT_IEC_60559_TYPES_EXT__ |
| #endif |
| |
| #include_next <float.h> |
| |
| /* 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) && __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 \ |
| __f128 (1.92592994438723585305597794258492732e-34) |
| # define FLT128_MIN \ |
| __f128 (3.36210314311209350626267781732175260e-4932) |
| # 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 */ |
