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Classes | Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | Static Private Member Functions | Private Attributes | List of all members
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

 FloatingPoint (const RawType &x)
 
const Bitsbits () const
 
Bits exponent_bits () const
 
Bits fraction_bits () const
 
Bits sign_bit () const
 
bool is_nan () const
 
bool AlmostEquals (const FloatingPoint &rhs) const
 
float Max ()
 
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
 

Static Private Member Functions

static Bits SignAndMagnitudeToBiased (const Bits &sam)
 
static Bits DistanceBetweenSignAndMagnitudeNumbers (const Bits &sam1, const Bits &sam2)
 

Private Attributes

FloatingPointUnion u_
 

Detailed Description

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

Definition at line 250 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 254 of file gtest-internal.h.

Constructor & Destructor Documentation

◆ FloatingPoint()

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

Definition at line 298 of file gtest-internal.h.

Member Function Documentation

◆ ReinterpretBits()

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

Definition at line 305 of file gtest-internal.h.

◆ Infinity()

template<typename RawType >
static RawType testing::internal::FloatingPoint< RawType >::Infinity ( )
inlinestatic

Definition at line 312 of file gtest-internal.h.

◆ Max() [1/3]

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

◆ bits()

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

Definition at line 322 of file gtest-internal.h.

◆ exponent_bits()

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

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

◆ fraction_bits()

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

Definition at line 328 of file gtest-internal.h.

◆ sign_bit()

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

Definition at line 331 of file gtest-internal.h.

◆ is_nan()

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

Definition at line 334 of file gtest-internal.h.

◆ AlmostEquals()

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

Definition at line 346 of file gtest-internal.h.

◆ SignAndMagnitudeToBiased()

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

Definition at line 377 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 389 of file gtest-internal.h.

◆ Max() [2/3]

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

Definition at line 402 of file gtest-internal.h.

◆ Max() [3/3]

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

Definition at line 404 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 259 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 262 of file gtest-internal.h.

◆ kExponentBitCount

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

Definition at line 266 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 269 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)
static const size_t kExponentBitCount

Definition at line 272 of file gtest-internal.h.

◆ kExponentBitMask

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

Definition at line 276 of file gtest-internal.h.

◆ kMaxUlps

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

Definition at line 290 of file gtest-internal.h.

◆ u_

template<typename RawType >
FloatingPointUnion testing::internal::FloatingPoint< RawType >::u_
private

Definition at line 396 of file gtest-internal.h.


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