float.h raw

   1  #ifndef _FLOAT_H
   2  #define _FLOAT_H
   3  
   4  #ifdef __cplusplus
   5  extern "C" {
   6  #endif
   7  
   8  int __flt_rounds(void);
   9  #define FLT_ROUNDS (__flt_rounds())
  10  
  11  #define FLT_RADIX 2
  12  
  13  #define FLT_TRUE_MIN 1.40129846432481707092e-45F
  14  #define FLT_MIN 1.17549435082228750797e-38F
  15  #define FLT_MAX 3.40282346638528859812e+38F
  16  #define FLT_EPSILON 1.1920928955078125e-07F
  17  
  18  #define FLT_MANT_DIG 24
  19  #define FLT_MIN_EXP (-125)
  20  #define FLT_MAX_EXP 128
  21  #define FLT_HAS_SUBNORM 1
  22  
  23  #define FLT_DIG 6
  24  #define FLT_DECIMAL_DIG 9
  25  #define FLT_MIN_10_EXP (-37)
  26  #define FLT_MAX_10_EXP 38
  27  
  28  #define DBL_TRUE_MIN 4.94065645841246544177e-324
  29  #define DBL_MIN 2.22507385850720138309e-308
  30  #define DBL_MAX 1.79769313486231570815e+308
  31  #define DBL_EPSILON 2.22044604925031308085e-16
  32  
  33  #define DBL_MANT_DIG 53
  34  #define DBL_MIN_EXP (-1021)
  35  #define DBL_MAX_EXP 1024
  36  #define DBL_HAS_SUBNORM 1
  37  
  38  #define DBL_DIG 15
  39  #define DBL_DECIMAL_DIG 17
  40  #define DBL_MIN_10_EXP (-307)
  41  #define DBL_MAX_10_EXP 308
  42  
  43  #define LDBL_HAS_SUBNORM 1
  44  #define LDBL_DECIMAL_DIG DECIMAL_DIG
  45  
  46  #include <bits/float.h>
  47  
  48  #ifdef __cplusplus
  49  }
  50  #endif
  51  
  52  #endif
  53