1#ifndef _FLOAT_H 2#define _FLOAT_H 3 4#ifdef __cplusplus 5extern "C" { 6#endif 7 8int __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