testing::internal::FloatingPoint< RawType > Class Template Reference

#include <gtest-internal.h>

Classes
union	FloatingPointUnion

Public Types
typedef TypeWithSize< sizeof(RawType)>::UInt	Bits

Public Member Functions
bool	AlmostEquals (const FloatingPoint &rhs) const
const Bits &	bits () const
Bits	exponent_bits () const
	FloatingPoint (const RawType &x)
Bits	fraction_bits () const
bool	is_nan () const
float	Max ()
double	Max ()
Bits	sign_bit () const

Static Public Member Functions
static RawType	Infinity ()
static RawType	Max ()
static RawType	ReinterpretBits (const Bits bits)

Static Public Attributes
static const size_t	kBitCount = 8*sizeof(RawType)
static const size_t	kExponentBitCount = kBitCount - 1 - kFractionBitCount
static const Bits	kExponentBitMask = ~(kSignBitMask | kFractionBitMask)
static const size_t	kFractionBitCount
static const Bits	kFractionBitMask
static const size_t	kMaxUlps = 4
static const Bits	kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1)

Static Private Member Functions
static Bits	DistanceBetweenSignAndMagnitudeNumbers (const Bits &sam1, const Bits &sam2)
static Bits	SignAndMagnitudeToBiased (const Bits &sam)

Private Attributes
FloatingPointUnion	u_

Detailed Description

template<typename RawType>
class testing::internal::FloatingPoint< RawType >

Definition at line 270 of file gtest-internal.h.

Member Typedef Documentation

Bits

template<typename RawType >

typedef TypeWithSize<sizeof(RawType)>::UInt testing::internal::FloatingPoint< RawType >::Bits

Definition at line 274 of file gtest-internal.h.

Constructor & Destructor Documentation

FloatingPoint()

template<typename RawType >

testing::internal::FloatingPoint< RawType >::FloatingPoint ( const RawType &  x )

inlineexplicit

Definition at line 318 of file gtest-internal.h.

Member Function Documentation

AlmostEquals()

template<typename RawType >

bool testing::internal::FloatingPoint< RawType >::AlmostEquals ( const FloatingPoint< RawType > &  rhs ) const

inline

Definition at line 366 of file gtest-internal.h.

bits()

template<typename RawType >

const Bits& testing::internal::FloatingPoint< RawType >::bits ( ) const

inline

Definition at line 342 of file gtest-internal.h.

DistanceBetweenSignAndMagnitudeNumbers()

template<typename RawType >

static Bits testing::internal::FloatingPoint< RawType >::DistanceBetweenSignAndMagnitudeNumbers ( const Bits &  sam1, const Bits &  sam2  )

inlinestaticprivate

Definition at line 409 of file gtest-internal.h.

exponent_bits()

template<typename RawType >

Bits testing::internal::FloatingPoint< RawType >::exponent_bits ( ) const

inline

Definition at line 345 of file gtest-internal.h.

fraction_bits()

template<typename RawType >

Bits testing::internal::FloatingPoint< RawType >::fraction_bits ( ) const

inline

Definition at line 348 of file gtest-internal.h.

Infinity()

template<typename RawType >

static RawType testing::internal::FloatingPoint< RawType >::Infinity ( )

inlinestatic

Definition at line 332 of file gtest-internal.h.

is_nan()

template<typename RawType >

bool testing::internal::FloatingPoint< RawType >::is_nan ( ) const

inline

Definition at line 354 of file gtest-internal.h.

Max() [1/3]

template<typename RawType >

static RawType testing::internal::FloatingPoint< RawType >::Max ( )

static

Max() [2/3]

float testing::internal::FloatingPoint< float >::Max ( )

inline

Definition at line 422 of file gtest-internal.h.

Max() [3/3]

double testing::internal::FloatingPoint< double >::Max ( )

inline

Definition at line 424 of file gtest-internal.h.

ReinterpretBits()

template<typename RawType >

static RawType testing::internal::FloatingPoint< RawType >::ReinterpretBits ( const Bits  bits )

inlinestatic

Definition at line 325 of file gtest-internal.h.

sign_bit()

template<typename RawType >

Bits testing::internal::FloatingPoint< RawType >::sign_bit ( ) const

inline

Definition at line 351 of file gtest-internal.h.

SignAndMagnitudeToBiased()

template<typename RawType >

static Bits testing::internal::FloatingPoint< RawType >::SignAndMagnitudeToBiased ( const Bits &  sam )

inlinestaticprivate

Definition at line 397 of file gtest-internal.h.

Member Data Documentation

kBitCount

template<typename RawType >

const size_t testing::internal::FloatingPoint< RawType >::kBitCount = 8*sizeof(RawType)

static

Definition at line 279 of file gtest-internal.h.

kExponentBitCount

template<typename RawType >

const size_t testing::internal::FloatingPoint< RawType >::kExponentBitCount = kBitCount - 1 - kFractionBitCount

static

Definition at line 286 of file gtest-internal.h.

kExponentBitMask

template<typename RawType >

const Bits testing::internal::FloatingPoint< RawType >::kExponentBitMask = ~(kSignBitMask | kFractionBitMask)

static

Definition at line 296 of file gtest-internal.h.

kFractionBitCount

template<typename RawType >

const size_t testing::internal::FloatingPoint< RawType >::kFractionBitCount

static

Initial value:

=
    std::numeric_limits<RawType>::digits - 1

Definition at line 282 of file gtest-internal.h.

kFractionBitMask

template<typename RawType >

const Bits testing::internal::FloatingPoint< RawType >::kFractionBitMask

static

Initial value:

=
    ~static_cast<Bits>(0) >> (kExponentBitCount + 1)

Definition at line 292 of file gtest-internal.h.

kMaxUlps

template<typename RawType >

const size_t testing::internal::FloatingPoint< RawType >::kMaxUlps = 4

static

Definition at line 310 of file gtest-internal.h.

kSignBitMask

template<typename RawType >

const Bits testing::internal::FloatingPoint< RawType >::kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1)

static

Definition at line 289 of file gtest-internal.h.

u_

template<typename RawType >

FloatingPointUnion testing::internal::FloatingPoint< RawType >::u_

private

Definition at line 416 of file gtest-internal.h.

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

• gtest-internal.h