FloatingPoint< RawType > Class Template Reference

#include <opentrep/basic/float_utils_google.hpp>

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

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

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

Detailed Description

template<typename RawType>
class FloatingPoint< RawType >

Definition at line 123 of file float_utils_google.hpp.

Member Typedef Documentation

template<typename RawType>

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

Definition at line 127 of file float_utils_google.hpp.

Constructor & Destructor Documentation

template<typename RawType>

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

inlineexplicit

Definition at line 171 of file float_utils_google.hpp.

Member Function Documentation

template<typename RawType>

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

inlinestatic

Definition at line 178 of file float_utils_google.hpp.

References FloatingPoint< RawType >::bits().

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

template<typename RawType>

static RawType FloatingPoint< RawType >::Infinity ( )

inlinestatic

Definition at line 185 of file float_utils_google.hpp.

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

template<typename RawType>

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

inline

Definition at line 192 of file float_utils_google.hpp.

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

template<typename RawType>

Bits FloatingPoint< RawType >::exponent_bits ( ) const

inline

Definition at line 195 of file float_utils_google.hpp.

References FloatingPoint< RawType >::kExponentBitMask.

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

template<typename RawType>

Bits FloatingPoint< RawType >::fraction_bits ( ) const

inline

Definition at line 198 of file float_utils_google.hpp.

References FloatingPoint< RawType >::kFractionBitMask.

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

template<typename RawType>

Bits FloatingPoint< RawType >::sign_bit ( ) const

inline

Definition at line 201 of file float_utils_google.hpp.

References FloatingPoint< RawType >::kSignBitMask.

template<typename RawType>

bool FloatingPoint< RawType >::is_nan ( ) const

inline

Definition at line 204 of file float_utils_google.hpp.

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

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

template<typename RawType>

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

inline

Definition at line 216 of file float_utils_google.hpp.

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

Referenced by OPENTREP::ScoreBoard::setScore().

Member Data Documentation

template<typename RawType>

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

static

Definition at line 132 of file float_utils_google.hpp.

template<typename RawType>

const size_t FloatingPoint< RawType >::kFractionBitCount

static

Initial value:

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

Definition at line 135 of file float_utils_google.hpp.

template<typename RawType>

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

static

Definition at line 139 of file float_utils_google.hpp.

template<typename RawType>

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

static

Definition at line 142 of file float_utils_google.hpp.

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

template<typename RawType>

const Bits FloatingPoint< RawType >::kFractionBitMask

static

Initial value:

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

Definition at line 145 of file float_utils_google.hpp.

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

template<typename RawType>

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

static

Definition at line 149 of file float_utils_google.hpp.

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

template<typename RawType>

const size_t FloatingPoint< RawType >::kMaxUlps = 4

static

Definition at line 163 of file float_utils_google.hpp.

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

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

• opentrep/basic/float_utils_google.hpp