gcc/config/float-i386.h

   1 /* float.h for target with IEEE 32/64 bit and Intel 386 style 80 bit
   2    floating point formats */
   3 #ifndef _FLOAT_H_
   4 #define _FLOAT_H_
   5 /* Produced by enquire version 4.3, CWI, Amsterdam */
   6
   7    /* Radix of exponent representation */
   8 #undef FLT_RADIX
   9 #define FLT_RADIX 2
  10    /* Number of base-FLT_RADIX digits in the significand of a float */
  11 #undef FLT_MANT_DIG
  12 #define FLT_MANT_DIG 24
  13    /* Number of decimal digits of precision in a float */
  14 #undef FLT_DIG
  15 #define FLT_DIG 6
  16    /* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */
  17 #undef FLT_ROUNDS
  18 #define FLT_ROUNDS 1
  19    /* Difference between 1.0 and the minimum float greater than 1.0 */
  20 #undef FLT_EPSILON
  21 #define FLT_EPSILON 1.19209290e-07F
  22    /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */
  23 #undef FLT_MIN_EXP
  24 #define FLT_MIN_EXP (-125)
  25    /* Minimum normalised float */
  26 #undef FLT_MIN
  27 #define FLT_MIN 1.17549435e-38F
  28    /* Minimum int x such that 10**x is a normalised float */
  29 #undef FLT_MIN_10_EXP
  30 #define FLT_MIN_10_EXP (-37)
  31    /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */
  32 #undef FLT_MAX_EXP
  33 #define FLT_MAX_EXP 128
  34    /* Maximum float */
  35 #undef FLT_MAX
  36 #define FLT_MAX 3.40282347e+38F
  37    /* Maximum int x such that 10**x is a representable float */
  38 #undef FLT_MAX_10_EXP
  39 #define FLT_MAX_10_EXP 38
  40
  41    /* Number of base-FLT_RADIX digits in the significand of a double */
  42 #undef DBL_MANT_DIG
  43 #define DBL_MANT_DIG 53
  44    /* Number of decimal digits of precision in a double */
  45 #undef DBL_DIG
  46 #define DBL_DIG 15
  47    /* Difference between 1.0 and the minimum double greater than 1.0 */
  48 #undef DBL_EPSILON
  49 #define DBL_EPSILON 2.2204460492503131e-16
  50    /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */
  51 #undef DBL_MIN_EXP
  52 #define DBL_MIN_EXP (-1021)
  53    /* Minimum normalised double */
  54 #undef DBL_MIN
  55 #define DBL_MIN 2.2250738585072014e-308
  56    /* Minimum int x such that 10**x is a normalised double */
  57 #undef DBL_MIN_10_EXP
  58 #define DBL_MIN_10_EXP (-307)
  59    /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */
  60 #undef DBL_MAX_EXP
  61 #define DBL_MAX_EXP 1024
  62    /* Maximum double */
  63 #undef DBL_MAX
  64 #define DBL_MAX 1.7976931348623157e+308
  65    /* Maximum int x such that 10**x is a representable double */
  66 #undef DBL_MAX_10_EXP
  67 #define DBL_MAX_10_EXP 308
  68
  69    /* Number of base-FLT_RADIX digits in the significand of a long double */
  70 #undef LDBL_MANT_DIG
  71 #define LDBL_MANT_DIG 64
  72    /* Number of decimal digits of precision in a long double */
  73 #undef LDBL_DIG
  74 #define LDBL_DIG 18
  75    /* Difference between 1.0 and the minimum long double greater than 1.0 */
  76 #undef LDBL_EPSILON
  77 #ifndef __LDBL_UNION__
  78 #define __LDBL_UNION__
  79 union __convert_long_double {
  80   unsigned __convert_long_double_i[4];
  81   long double __convert_long_double_d;
  82 };
  83 #endif
  84 #define LDBL_EPSILON (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x3fc0, 0x0}}).__convert_long_double_d)
  85    /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */
  86 #undef LDBL_MIN_EXP
  87 #define LDBL_MIN_EXP (-16381)
  88    /* Minimum normalised long double */
  89 #undef LDBL_MIN
  90 #define LDBL_MIN (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x1, 0x0}}).__convert_long_double_d)
  91    /* Minimum int x such that 10**x is a normalised long double */
  92 #undef LDBL_MIN_10_EXP
  93 #define LDBL_MIN_10_EXP (-4931)
  94    /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */
  95 #undef LDBL_MAX_EXP
  96 #define LDBL_MAX_EXP 16384
  97    /* Maximum long double */
  98 #undef LDBL_MAX
  99 #define LDBL_MAX (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0xffffffff, 0xffffffff, 0x107ffe, 0x0}}).__convert_long_double_d)
 100    /* Maximum int x such that 10**x is a representable long double */
 101 #undef LDBL_MAX_10_EXP
 102 #define LDBL_MAX_10_EXP 4932
 103
 104 #endif /*  _FLOAT_H___ */