base/math/fpP.h File Reference

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Data Structures
struct	dHexParts
union	DblInHex
Defines
#define	NoException   0
#define	dSgnMask   0x80000000
#define	sSgnMask   0x7FFFFFFF
#define	dExpMask   0x7FF00000
#define	sExpMask   0xFF000000
#define	BIG   1.1e+300
#define	SMALL   1.1e-300
#define	InfExp   0x7FF
#define	dMaxExp   0x7FF00000
#define	MaxExpP1   1024
#define	MaxExp   1023
#define	DenormLimit   -52
#define	dManMask   0x00080000
#define	dIsItDenorm   0x00080000
#define	dIsItSNaN   0x00080000
#define	dHighMan   0x000FFFFF
#define	dFirstBitSet   0x00080000
#define	BIAS   0x3FF
#define	dGetSign   0x80000000
#define	sGetSign   0x80000000
#define	dInfinity(x)   ( x.hex.high & dExpMask ) == dExpMask
#define	sInfinity(x)   ( ( x.hexsgl << 1 ) & sExpMask ) == sExpMask
#define	dExponent(x)   x.hex.high & dExpMask
#define	sExponent(x)   ( ( x.hexsgl << 1 ) & sExpMask )
#define	sZero(x)   ( x.hexsgl & sSgnMask ) == 0
#define	highpartd(x)   *((long *) &x)
#define	lowpartd(x)   *((long *) &x + 1)
Enumerations
enum	{   FP_SNAN = 0, FP_QNAN = 1, FP_INFINITE = 2, FP_ZERO = 3,   FP_NORMAL = 4, FP_SUBNORMAL = 5 }

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Define Documentation

#define BIAS   0x3FF

Definition at line 51 of file fpP.h.

#define BIG   1.1e+300

Definition at line 30 of file fpP.h.

#define DenormLimit   -52

Definition at line 38 of file fpP.h.

#define dExpMask   0x7FF00000

Definition at line 26 of file fpP.h.

Referenced by __fpclassify().

#define dExponent

(

x

)

x.hex.high & dExpMask

Definition at line 62 of file fpP.h.

#define dFirstBitSet   0x00080000

Definition at line 50 of file fpP.h.

#define dGetSign   0x80000000

Definition at line 54 of file fpP.h.

#define dHighMan   0x000FFFFF

Definition at line 49 of file fpP.h.

Referenced by __fpclassify().

#define dInfinity

(

x

)

( x.hex.high & dExpMask ) == dExpMask

Definition at line 58 of file fpP.h.

#define dIsItDenorm   0x00080000

Definition at line 44 of file fpP.h.

#define dIsItSNaN   0x00080000

Definition at line 47 of file fpP.h.

#define dManMask   0x00080000

Definition at line 41 of file fpP.h.

#define dMaxExp   0x7FF00000

Definition at line 33 of file fpP.h.

#define dSgnMask   0x80000000

Definition at line 22 of file fpP.h.

Referenced by __signbit().

#define highpartd

(

x

)

*((long *) &x)

Definition at line 95 of file fpP.h.

#define InfExp   0x7FF

Definition at line 32 of file fpP.h.

#define lowpartd

(

x

)

*((long *) &x + 1)

Definition at line 96 of file fpP.h.

#define MaxExp   1023

Definition at line 36 of file fpP.h.

#define MaxExpP1   1024

Definition at line 35 of file fpP.h.

#define NoException   0

Definition at line 15 of file fpP.h.

#define sExpMask   0xFF000000

Definition at line 27 of file fpP.h.

#define sExponent

(

x

)

( ( x.hexsgl << 1 ) & sExpMask )

Definition at line 63 of file fpP.h.

#define sGetSign   0x80000000

Definition at line 55 of file fpP.h.

#define sInfinity

(

x

)

( ( x.hexsgl << 1 ) & sExpMask ) == sExpMask

Definition at line 59 of file fpP.h.

#define SMALL   1.1e-300

Definition at line 31 of file fpP.h.

#define sSgnMask   0x7FFFFFFF

Definition at line 23 of file fpP.h.

#define sZero

(

x

)

( x.hexsgl & sSgnMask ) == 0

Definition at line 65 of file fpP.h.

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Enumeration Type Documentation

anonymous enum

Enumerator:

FP_SNAN
FP_QNAN
FP_INFINITE
FP_ZERO
FP_NORMAL
FP_SUBNORMAL

Definition at line 98 of file fpP.h.

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