#ifndef _MACHINE_FLOAT_H_ #define _MACHINE_FLOAT_H_ /* Characteristics of IEEE floating types */ #define FLT_RADIX 2 #define FLT_ROUNDS 1 /* * These values provide information pertaining to the float type. */ #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ #define FLT_MANT_DIG 24 /* p */ #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ #define FLT_MAX_EXP 128 /* emax */ #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */ #define FLT_MIN_EXP (-125) /* emin */ /* * These values provide information pertaining to the double type * The values are dependant upon the presence of the -fno-short-double * compiler option. */ //#define DBL_EPSILON FLT_EPSILON //#define DBL_MAX FLT_MAX //#define DBL_MIN FLT_MIN //#define DBL_DIG FLT_DIG //#define DBL_MANT_DIG FLT_MANT_DIG //#define DBL_MAX_10_EXP FLT_MAX_10_EXP //#define DBL_MAX_EXP FLT_MAX_EXP //#define DBL_MIN_10_EXP FLT_MIN_10_EXP //#define DBL_MIN_EXP FLT_MIN_EXP /* * These values provide information pertaining to the long double type. */ #define DBL_EPSILON 2.2204460492503131E-16 #define DBL_MAX 1.7976931348623157E+308 #define DBL_MIN 2.2250738585072014E-308 #define DBL_DIG 15 #define DBL_MANT_DIG 53 #define DBL_MAX_10_EXP 308 #define DBL_MAX_EXP 1024 #define DBL_MIN_10_EXP (-307) #define DBL_MIN_EXP (-1021) #define LDBL_EPSILON 2.2204460492503131E-16 #define LDBL_MAX 1.7976931348623157E+308 #define LDBL_MIN 2.2250738585072014E-308 #define LDBL_DIG 15 #define LDBL_MANT_DIG 53 #define LDBL_MAX_10_EXP 308 #define LDBL_MAX_EXP 1024 #define LDBL_MIN_10_EXP (-307) #define LDBL_MIN_EXP (-1021) #endif /* _MACHINE_FLOAT_H_ */