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 _FloatN and _FloatNx for older |

14 | compilers which do not yet support the type. These are described |

15 | in TS 18661-3. */ |

16 | #include <features.h> |

17 | #include <bits/floatn.h> |

18 | #if !__GNUC_PREREQ (7, 0) && __GLIBC_USE (IEC_60559_TYPES_EXT) |

19 | |

20 | # if __HAVE_FLOAT128 |

21 | # define FLT128_MANT_DIG 113 |

22 | # define FLT128_DECIMAL_DIG 36 |

23 | # define FLT128_DIG 33 |

24 | # define FLT128_MIN_EXP (-16381) |

25 | # define FLT128_MIN_10_EXP (-4931) |

26 | # define FLT128_MAX_EXP 16384 |

27 | # define FLT128_MAX_10_EXP 4932 |

28 | # define FLT128_MAX \ |

29 | __f128 (1.18973149535723176508575932662800702e+4932) |

30 | # define FLT128_EPSILON \ |

31 | __f128 (1.92592994438723585305597794258492732e-34) |

32 | # define FLT128_MIN \ |

33 | __f128 (3.36210314311209350626267781732175260e-4932) |

34 | # define FLT128_TRUE_MIN \ |

35 | __f128 (6.47517511943802511092443895822764655e-4966) |

36 | # endif |

37 | |

38 | /* Types other than _Float128 are typedefs for other types with old |

39 | compilers. */ |

40 | |

41 | # if __HAVE_FLOAT32 |

42 | # define FLT32_MANT_DIG FLT_MANT_DIG |

43 | # define FLT32_DECIMAL_DIG FLT_DECIMAL_DIG |

44 | # define FLT32_DIG FLT_DIG |

45 | # define FLT32_MIN_EXP FLT_MIN_EXP |

46 | # define FLT32_MIN_10_EXP FLT_MIN_10_EXP |

47 | # define FLT32_MAX_EXP FLT_MAX_EXP |

48 | # define FLT32_MAX_10_EXP FLT_MAX_10_EXP |

49 | # define FLT32_MAX FLT_MAX |

50 | # define FLT32_EPSILON FLT_EPSILON |

51 | # define FLT32_MIN FLT_MIN |

52 | # define FLT32_TRUE_MIN FLT_TRUE_MIN |

53 | # endif |

54 | |

55 | # if __HAVE_FLOAT64 |

56 | # define FLT64_MANT_DIG DBL_MANT_DIG |

57 | # define FLT64_DECIMAL_DIG DBL_DECIMAL_DIG |

58 | # define FLT64_DIG DBL_DIG |

59 | # define FLT64_MIN_EXP DBL_MIN_EXP |

60 | # define FLT64_MIN_10_EXP DBL_MIN_10_EXP |

61 | # define FLT64_MAX_EXP DBL_MAX_EXP |

62 | # define FLT64_MAX_10_EXP DBL_MAX_10_EXP |

63 | # define FLT64_MAX DBL_MAX |

64 | # define FLT64_EPSILON DBL_EPSILON |

65 | # define FLT64_MIN DBL_MIN |

66 | # define FLT64_TRUE_MIN DBL_TRUE_MIN |

67 | # endif |

68 | |

69 | # if __HAVE_FLOAT32X |

70 | # define FLT32X_MANT_DIG DBL_MANT_DIG |

71 | # define FLT32X_DECIMAL_DIG DBL_DECIMAL_DIG |

72 | # define FLT32X_DIG DBL_DIG |

73 | # define FLT32X_MIN_EXP DBL_MIN_EXP |

74 | # define FLT32X_MIN_10_EXP DBL_MIN_10_EXP |

75 | # define FLT32X_MAX_EXP DBL_MAX_EXP |

76 | # define FLT32X_MAX_10_EXP DBL_MAX_10_EXP |

77 | # define FLT32X_MAX DBL_MAX |

78 | # define FLT32X_EPSILON DBL_EPSILON |

79 | # define FLT32X_MIN DBL_MIN |

80 | # define FLT32X_TRUE_MIN DBL_TRUE_MIN |

81 | # endif |

82 | |

83 | # if __HAVE_FLOAT64X |

84 | # if __HAVE_FLOAT64X_LONG_DOUBLE |

85 | # define FLT64X_MANT_DIG LDBL_MANT_DIG |

86 | # define FLT64X_DECIMAL_DIG LDBL_DECIMAL_DIG |

87 | # define FLT64X_DIG LDBL_DIG |

88 | # define FLT64X_MIN_EXP LDBL_MIN_EXP |

89 | # define FLT64X_MIN_10_EXP LDBL_MIN_10_EXP |

90 | # define FLT64X_MAX_EXP LDBL_MAX_EXP |

91 | # define FLT64X_MAX_10_EXP LDBL_MAX_10_EXP |

92 | # define FLT64X_MAX LDBL_MAX |

93 | # define FLT64X_EPSILON LDBL_EPSILON |

94 | # define FLT64X_MIN LDBL_MIN |

95 | # define FLT64X_TRUE_MIN LDBL_TRUE_MIN |

96 | # else |

97 | # define FLT64X_MANT_DIG FLT128_MANT_DIG |

98 | # define FLT64X_DECIMAL_DIG FLT128_DECIMAL_DIG |

99 | # define FLT64X_DIG FLT128_DIG |

100 | # define FLT64X_MIN_EXP FLT128_MIN_EXP |

101 | # define FLT64X_MIN_10_EXP FLT128_MIN_10_EXP |

102 | # define FLT64X_MAX_EXP FLT128_MAX_EXP |

103 | # define FLT64X_MAX_10_EXP FLT128_MAX_10_EXP |

104 | # define FLT64X_MAX FLT128_MAX |

105 | # define FLT64X_EPSILON FLT128_EPSILON |

106 | # define FLT64X_MIN FLT128_MIN |

107 | # define FLT64X_TRUE_MIN FLT128_TRUE_MIN |

108 | # endif |

109 | # endif |

110 | |

111 | #endif |

112 | |

113 | #endif /* _LIBC_FLOAT_H */ |

114 |