include/float.h

   1 #ifndef _LIBC_FLOAT_H
   2 #define _LIBC_FLOAT_H
   3
   4 #ifndef _ISOMAC
   5 # define __STDC_WANT_IEC_60559_TYPES_EXT__
   6 #endif
   7
   8 #include_next <float.h>
   9
  10 /* Supplement float.h macros for _Float128 for older compilers
  11    which do not yet support the type.  These are described in
  12    TS 18661-3.  */
  13 #ifndef _ISOMAC
  14 # include <features.h>
  15 # include <bits/floatn.h>
  16 # if !__GNUC_PREREQ (7, 0) && __HAVE_DISTINCT_FLOAT128
  17 #  define FLT128_MANT_DIG       113
  18 #  define FLT128_DECIMAL_DIG    36
  19 #  define FLT128_DIG            33
  20 #  define FLT128_MIN_EXP        (-16381)
  21 #  define FLT128_MIN_10_EXP     (-4931)
  22 #  define FLT128_MAX_EXP        16384
  23 #  define FLT128_MAX_10_EXP     4932
  24 #  define FLT128_MAX            1.18973149535723176508575932662800702e+4932Q
  25 #  define FLT128_EPSILON        1.92592994438723585305597794258492732e-34Q
  26 #  define FLT128_MIN            3.36210314311209350626267781732175260e-4932Q
  27 #  define FLT128_TRUE_MIN       6.47517511943802511092443895822764655e-4966Q
  28 # endif
  29 #endif
  30
  31 #endif /* _LIBC_FLOAT_H */