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

#include <gtest-internal.h>

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

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

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

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

Member Typedef Documentation

template<typename RawType>

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

Constructor & Destructor Documentation

template<typename RawType>

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

inlineexplicit

Member Function Documentation

template<typename RawType>

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

inline

References testing::internal::FloatingPoint< RawType >::is_nan(), and testing::internal::FloatingPoint< RawType >::kMaxUlps.

template<typename RawType>

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

inline

Referenced by testing::internal::FloatingPoint< RawType >::ReinterpretBits().

template<typename RawType>

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

inline

Referenced by testing::internal::FloatingPoint< RawType >::is_nan().

template<typename RawType>

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

inline

Referenced by testing::internal::FloatingPoint< RawType >::is_nan().

template<typename RawType>

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

inlinestatic

References testing::internal::FloatingPoint< RawType >::ReinterpretBits().

template<typename RawType>

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

inline

References testing::internal::FloatingPoint< RawType >::exponent_bits(), and testing::internal::FloatingPoint< RawType >::fraction_bits().

Referenced by testing::internal::FloatingPoint< RawType >::AlmostEquals().

template<typename RawType>

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

static

template<>

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

inline

template<>

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

inline

template<typename RawType>

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

inlinestatic

References testing::internal::FloatingPoint< RawType >::bits().

Referenced by testing::internal::FloatingPoint< RawType >::Infinity().

template<typename RawType>

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

inline

Member Data Documentation

template<typename RawType>

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

static

template<typename RawType>

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

static

template<typename RawType>

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

static

template<typename RawType>

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

static

Initial value:

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

template<typename RawType>

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

static

Initial value:

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

template<typename RawType>

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

static

Referenced by testing::internal::FloatingPoint< RawType >::AlmostEquals().

template<typename RawType>

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

static

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

• gtest-internal.h