internal::Double Class Reference

#include <ieee754.h>

Public Member Functions
	Double ()
	Double (double d)
	Double (uint64_t u)
int	Exponent () const
int	IntegerExponent () const
uint64_t	IntegerSignificand () const
bool	IsInf () const
bool	IsNan () const
bool	IsNanOrInf () const
bool	IsNormal () const
bool	IsZero () const
double	NextPositiveDouble () const
bool	Sign () const
uint64_t	Significand () const
uint64_t	ToBias () const
uint64_t	Uint64Value () const
double	Value () const

Static Public Member Functions
static int	EffectiveSignificandSize (int order)

Private Attributes
union {
double   d_
uint64_t   u_
};

Static Private Attributes
static const int	kDenormalExponent = 1 - kExponentBias
static const int	kExponentBias = 0x3FF
static const uint64_t	kExponentMask
static const uint64_t	kHiddenBit
static const uint64_t	kSignificandMask
static const int	kSignificandSize = 52
static const uint64_t	kSignMask = RAPIDJSON_UINT64_C2(0x80000000, 0x00000000)

Detailed Description

Definition at line 27 of file ieee754.h.

Constructor & Destructor Documentation

internal::Double::Double ( )

inline

Definition at line 29 of file ieee754.h.

internal::Double::Double ( double  d )

inline

Definition at line 30 of file ieee754.h.

internal::Double::Double ( uint64_t  u )

inline

Definition at line 31 of file ieee754.h.

Member Function Documentation

static int internal::Double::EffectiveSignificandSize ( int  order )

inlinestatic

Definition at line 70 of file ieee754.h.

int internal::Double::Exponent ( ) const

inline

Definition at line 43 of file ieee754.h.

int internal::Double::IntegerExponent ( ) const

inline

Definition at line 63 of file ieee754.h.

uint64_t internal::Double::IntegerSignificand ( ) const

inline

Definition at line 60 of file ieee754.h.

bool internal::Double::IsInf ( ) const

inline

Definition at line 51 of file ieee754.h.

bool internal::Double::IsNan ( ) const

inline

Definition at line 48 of file ieee754.h.

bool internal::Double::IsNanOrInf ( ) const

inline

Definition at line 54 of file ieee754.h.

bool internal::Double::IsNormal ( ) const

inline

Definition at line 55 of file ieee754.h.

bool internal::Double::IsZero ( ) const

inline

Definition at line 58 of file ieee754.h.

double internal::Double::NextPositiveDouble ( ) const

inline

Definition at line 36 of file ieee754.h.

bool internal::Double::Sign ( ) const

inline

Definition at line 41 of file ieee754.h.

uint64_t internal::Double::Significand ( ) const

inline

Definition at line 42 of file ieee754.h.

uint64_t internal::Double::ToBias ( ) const

inline

Definition at line 66 of file ieee754.h.

uint64_t internal::Double::Uint64Value ( ) const

inline

Definition at line 34 of file ieee754.h.

double internal::Double::Value ( ) const

inline

Definition at line 33 of file ieee754.h.

Member Data Documentation

union { ... }

double internal::Double::d_

Definition at line 92 of file ieee754.h.

const int internal::Double::kDenormalExponent = 1 - kExponentBias

staticprivate

Definition at line 82 of file ieee754.h.

const int internal::Double::kExponentBias = 0x3FF

staticprivate

Definition at line 81 of file ieee754.h.

const uint64_t internal::Double::kExponentMask

staticprivate

Initial value:

=
      RAPIDJSON_UINT64_C2(0x7FF00000, 0x00000000)

Definition at line 84 of file ieee754.h.

const uint64_t internal::Double::kHiddenBit

staticprivate

Initial value:

=
      RAPIDJSON_UINT64_C2(0x00100000, 0x00000000)

Definition at line 88 of file ieee754.h.

const uint64_t internal::Double::kSignificandMask

staticprivate

Initial value:

=
      RAPIDJSON_UINT64_C2(0x000FFFFF, 0xFFFFFFFF)

Definition at line 86 of file ieee754.h.

const int internal::Double::kSignificandSize = 52

staticprivate

Definition at line 80 of file ieee754.h.

const uint64_t internal::Double::kSignMask = RAPIDJSON_UINT64_C2(0x80000000, 0x00000000)

staticprivate

Definition at line 83 of file ieee754.h.

uint64_t internal::Double::u_

Definition at line 93 of file ieee754.h.

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The documentation for this class was generated from the following file:

• ieee754.h