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Cream of the Crop 26
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FLOAT.H
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C/C++ Source or Header
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1996-06-10
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2KB
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64 lines
/* float.h
Defines implementation specific macros for dealing with
floating point. We don't currently support long doubles.
*/
#ifndef __FLOAT_H
#define __FLOAT_H
#define FLT_RADIX 2
#define FLT_ROUNDS 1
#define FLT_GUARD 1
#define FLT_NORMALIZE 1
#define DBL_DIG 15
#define FLT_DIG 6
#define LDBL_DIG 18
#define DBL_MANT_DIG 53
#define FLT_MANT_DIG 24
#define LDBL_MANT_DIG 64
#define DBL_EPSILON 2.2204460492503131E-16
#define FLT_EPSILON 1.19209290E-07F
#define LDBL_EPSILON 1.084202172485504434e-019L
/* smallest positive IEEE normal numbers */
#define DBL_MIN 2.2250738585072014E-308
#define FLT_MIN 1.17549435E-38F
#define LDBL_MIN _tiny_ldble
#define DBL_MAX _huge_dble
#define FLT_MAX _huge_flt
#define LDBL_MAX _huge_ldble
#define DBL_MAX_EXP +1024
#define FLT_MAX_EXP +128
#define LDBL_MAX_EXP +16384
#define DBL_MAX_10_EXP +308
#define FLT_MAX_10_EXP +38
#define LDBL_MAX_10_EXP +4932
#define DBL_MIN_10_EXP -307
#define FLT_MIN_10_EXP -37
#define LDBL_MIN_10_EXP -4931
#define DBL_MIN_EXP -1021
#define FLT_MIN_EXP -125
#define LDBL_MIN_EXP -16381
extern float _huge_flt;
extern double _huge_dble;
extern double _huge_ldble;
extern double _tiny_ldble;
unsigned int _clear87(void);
unsigned int _control87(unsigned int __newcw, unsigned int __mask);
void _fpreset(void);
unsigned int _status87(void);
#endif