libc/docs/c23.rst

   1 .. _c23_support:
   2
   3 ===========
   4 C23 Support
   5 ===========
   6
   7 .. include:: check.rst
   8 .. contents:: Table of Contents
   9   :depth: 4
  10   :local:
  11
  12 ---------------------
  13 Implementation Status
  14 ---------------------
  15
  16 (It's helpful to review 'Annex B (Informative) Library Summary' for these.)
  17
  18
  19 Additions:
  20
  21 * fenv.h
  22
  23   * fesetexcept |check|
  24   * fetestexceptflag |check|
  25   * fegetmode
  26   * fesetmode
  27 * math.h
  28
  29   * acospi*
  30   * asinpi*
  31   * atanpi*
  32   * atan2pi*
  33   * cospi*
  34   * sinpi*
  35   * tanpi*
  36   * exp10*
  37   * exp10m1*
  38   * exp2m1*
  39   * log10p1*
  40   * logp1
  41   * log2p1*
  42   * rsqrt*
  43   * __STDC_IEC_60559_DFP__ functions (_Decimal32, _Decimal64, _Decimal128)
  44   * compoundn*
  45   * totalorder* |check|
  46   * totalordermag* |check|
  47   * getpayload* |check|
  48   * setpayload* |check|
  49   * setpayloadsig* |check|
  50   * iscannonical
  51   * issignaling
  52   * issubnormal
  53   * iszero
  54   * llogb* |check|
  55   * pown*
  56   * powr*
  57   * rootn*
  58   * roundeven* |check|
  59   * fromfp* |check|
  60   * ufromfp* |check|
  61   * fromfpx* |check|
  62   * ufromfpx* |check|
  63   * nextup* |check|
  64   * nextdown* |check|
  65   * canonicalize* |check|
  66   * fmaximum* |check|
  67   * fminimum* |check|
  68   * fmaximum_mag* |check|
  69   * fminimum_mag* |check|
  70   * fmaximum_num* |check|
  71   * fminimum_num* |check|
  72   * fmaximum_mag_num* |check|
  73   * fminimum_mag_num* |check|
  74   * fadd*
  75   * fsub*
  76   * fmul*
  77   * fdiv*
  78   * ffma*
  79   * dfmal
  80   * fsqrt*
  81   * dsqrtl
  82 * stdbit.h (New header)    |check|
  83 * stdckdint.h (New header) |check|
  84 * stddef.h
  85
  86   * unreachable
  87 * stdlib.h
  88
  89   * strfromd
  90   * strfromf
  91   * strfroml
  92   * free_sized
  93   * free_aligned_sized
  94   * memalignment
  95 * string.h
  96
  97   * memset_explicit |check|
  98   * memccpy
  99   * strdup
 100   * strndup
 101 * tgmath.h
 102
 103   * acospi
 104   * asinpi
 105   * atan2pi
 106   * atanpi
 107   * compoundn
 108   * cospi
 109   * erf
 110   * exp10m1
 111   * exp10
 112   * exp2m1
 113   * fmaximum
 114   * fmaximum_mag
 115   * fmaximum_num
 116   * fmaximum_mag_num
 117   * fminimum
 118   * fminimum_mag
 119   * fminimum_num
 120   * fminimum_mag_num
 121   * fromfpx
 122   * fromfp
 123   * llogb
 124   * log10p1
 125   * log2p1
 126   * logp1
 127   * nextdown
 128   * nextup
 129   * pown
 130   * powr
 131   * rootn
 132   * roundeven
 133   * rsqrt
 134   * scalbn
 135   * sinpi
 136   * tanpi
 137   * ufromfpx
 138   * ufromfp
 139   * fadd
 140   * dadd
 141   * fsub
 142   * dsub
 143   * fmul
 144   * dmul
 145   * fdiv
 146   * ddiv
 147   * ffma
 148   * dfma
 149   * fsqrt
 150   * dsqrt
 151 * time.h
 152
 153   * gmtime_r
 154   * localtime_r
 155   * timegm
 156   * timespec_getres
 157   * strftime conversion specifiers
 158
 159     * 0b
 160     * 0B
 161 * uchar.h
 162
 163   * mbrtoc8
 164   * c8rtomb
 165   * char*_t |check|