#ifndef _LIBC_FLOAT_H #define _LIBC_FLOAT_H #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION #include #ifndef _ISOMAC # define __STDC_WANT_IEC_60559_TYPES_EXT__ #endif #include_next /* 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 #include #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 */