include/float.h

   1 #ifndef _LIBC_FLOAT_H
   2 #define _LIBC_FLOAT_H
   3
   4 #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
   5 #include <bits/libc-header-start.h>
   6
   7 #ifndef _ISOMAC
   8 # define __STDC_WANT_IEC_60559_TYPES_EXT__
   9 #endif
  10
  11 #include_next <float.h>
  12
  13 /* Supplement float.h macros for _Float128 for older compilers
  14    which do not yet support the type.  These are described in
  15    TS 18661-3.  */
  16 #include <features.h>
  17 #include <bits/floatn.h>
  18 #if !__GNUC_PREREQ (7, 0) \
  19     && __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
  20 # define FLT128_MANT_DIG        113
  21 # define FLT128_DECIMAL_DIG     36
  22 # define FLT128_DIG             33
  23 # define FLT128_MIN_EXP         (-16381)
  24 # define FLT128_MIN_10_EXP      (-4931)
  25 # define FLT128_MAX_EXP         16384
  26 # define FLT128_MAX_10_EXP      4932
  27 # define FLT128_MAX                                     \
  28   __f128 (1.18973149535723176508575932662800702e+4932)
  29 # define FLT128_EPSILON                                 \
  30   __f128 (1.92592994438723585305597794258492732e-34)
  31 # define FLT128_MIN                                     \
  32   __f128 (3.36210314311209350626267781732175260e-4932)
  33 # define FLT128_TRUE_MIN                                \
  34   __f128 (6.47517511943802511092443895822764655e-4966)
  35 #endif
  36
  37 #endif /* _LIBC_FLOAT_H */