Classes | Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | List of all members
testing::internal::FloatingPoint< RawType > Class Template Reference

#include <gtest.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
 
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
 

Member Typedef Documentation

◆ Bits

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

Constructor & Destructor Documentation

◆ FloatingPoint()

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

References exprtk::details::x().

Member Function Documentation

◆ AlmostEquals()

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.

◆ bits()

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

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

◆ exponent_bits()

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

References testing::internal::FloatingPoint< RawType >::kExponentBitMask.

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

◆ fraction_bits()

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

References testing::internal::FloatingPoint< RawType >::kFractionBitMask.

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

◆ Infinity()

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

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

◆ is_nan()

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

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

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

◆ Max() [1/3]

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

◆ Max() [2/3]

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

◆ Max() [3/3]

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

◆ ReinterpretBits()

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().

◆ sign_bit()

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

References testing::internal::FloatingPoint< RawType >::kSignBitMask.

Member Data Documentation

◆ kBitCount

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

◆ kExponentBitCount

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

◆ kExponentBitMask

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

Referenced by testing::internal::FloatingPoint< RawType >::exponent_bits(), testing::internal::FloatingPoint< RawType >::Infinity(), and testing::internal::FloatingPoint< RawType >::is_nan().

◆ kFractionBitCount

template<typename RawType >
const size_t testing::internal::FloatingPoint< RawType >::kFractionBitCount
static
Initial value:
=
std::numeric_limits<RawType>::digits - 1

◆ kFractionBitMask

template<typename RawType >
const Bits testing::internal::FloatingPoint< RawType >::kFractionBitMask
static
Initial value:
=
~static_cast<Bits>(0) >> (kExponentBitCount + 1)
testing::internal::FloatingPoint::kExponentBitCount
static const size_t kExponentBitCount
Definition: gtest.h:6614

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

◆ kMaxUlps

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

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

◆ kSignBitMask

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

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

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