float.h

一个迷你的c编译器

#ifndef __FLOAT_H_
#define __FLOAT_H_

#define FLT_ROUNDS      (__flt_rounds())
#define FLT_RADIX       2

#define FLT_DIG         6
#define FLT_EPSILON     1.19209289550781250000e-07
#define FLT_MANT_DIG    24
#define FLT_MAX         3.40282346638528860000e+38
#define FLT_MAX_10_EXP  38
#define FLT_MAX_EXP     128
#define FLT_MIN         1.17549435082228750000e-38
#define FLT_MIN_10_EXP  -37
#define FLT_MIN_EXP     -125

#define DBL_DIG         15
#define DBL_EPSILON     2.22044604925031310000e-16
#define DBL_MANT_DIG    53
#define DBL_MAX         1.79769313486231570000e+308
#define DBL_MAX_10_EXP  308
#define DBL_MAX_EXP     1024
#define DBL_MIN         2.22507385850720140000e-308
#define DBL_MIN_10_EXP  -307
#define DBL_MIN_EXP     -1021

#define LDBL_MANT_DIG   DBL_MANT_DIG
#define LDBL_EPSILON    DBL_EPSILON
#define LDBL_DIG        DBL_DIG
#define LDBL_MIN_EXP    DBL_MIN_EXP
#define LDBL_MIN        DBL_MIN
#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
#define LDBL_MAX_EXP    DBL_MAX_EXP
#define LDBL_MAX        DBL_MAX
#define LDBL_MAX_10_EXP	DBL_MAX_10_EXP

#endif