Elements::FloatingPoint< RawType > Class Template Reference

#include <Real.h>

Collaboration diagram for Elements::FloatingPoint< RawType >:

Classes
union	FloatingPointUnion

Public Types
using	Bits = typename TypeWithSize<sizeof(RawType)>::UInt

Public Member Functions
	FloatingPoint (const RawType &x)
const Bits &	bits () const
Bits	exponentBits () const
Bits	fractionBits () const
Bits	signBit () const
bool	isNan () const
bool	AlmostEquals (const FloatingPoint &rhs) const

Static Public Member Functions
static RawType	ReinterpretBits (const Bits &bits)
static RawType	Infinity ()
static Bits	signAndMagnitudeToBiased (const Bits &sam)
static Bits	distanceBetweenSignAndMagnitudeNumbers (const Bits &sam1, const Bits &sam2)

Static Public Attributes
static const std::size_t	s_bitcount = 8 * sizeof(RawType)
static const std::size_t	s_fraction_bitcount = std::numeric_limits<RawType>::digits - 1
static const std::size_t	s_exponent_bitcount = s_bitcount - 1 - s_fraction_bitcount
static const Bits	s_sign_bitmask = static_cast<Bits>(1) << (s_bitcount - 1)
static const Bits	s_fraction_bitmask = ~static_cast<Bits>(0) >> (s_exponent_bitcount + 1)
static const Bits	s_exponent_bitmask = ~(s_sign_bitmask | s_fraction_bitmask)
static const std::size_t	m_max_ulps = defaultMaxUlps<RawType>()

Private Attributes
FloatingPointUnion	m_u

Detailed Description

template<typename RawType>
class Elements::FloatingPoint< RawType >

Definition at line 162 of file Real.h.

Member Typedef Documentation

Bits

template<typename RawType>

using Elements::FloatingPoint< RawType >::Bits = typename TypeWithSize<sizeof(RawType)>::UInt

Definition at line 166 of file Real.h.

Constructor & Destructor Documentation

FloatingPoint()

template<typename RawType>

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

explicit

Referenced by AlmostEquals().

Member Function Documentation

AlmostEquals()

template<typename RawType>

bool Elements::FloatingPoint< RawType >::AlmostEquals

(

const FloatingPoint< RawType > &

rhs

)

const

References FloatingPoint().

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bits()

template<typename RawType>

const Bits & Elements::FloatingPoint< RawType >::bits

(

)

const

Referenced by ReinterpretBits().

distanceBetweenSignAndMagnitudeNumbers()

template<typename RawType>

static Bits Elements::FloatingPoint< RawType >::distanceBetweenSignAndMagnitudeNumbers ( const Bits & sam1, const Bits & sam2 )

static

exponentBits()

template<typename RawType>

Bits Elements::FloatingPoint< RawType >::exponentBits

(

)

const

fractionBits()

template<typename RawType>

Bits Elements::FloatingPoint< RawType >::fractionBits

(

)

const

Infinity()

template<typename RawType>

static RawType Elements::FloatingPoint< RawType >::Infinity ( )

static

isNan()

template<typename RawType>

bool Elements::FloatingPoint< RawType >::isNan

(

)

const

ReinterpretBits()

template<typename RawType>

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

static

References bits().

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signAndMagnitudeToBiased()

template<typename RawType>

static Bits Elements::FloatingPoint< RawType >::signAndMagnitudeToBiased ( const Bits & sam )

static

signBit()

template<typename RawType>

Bits Elements::FloatingPoint< RawType >::signBit

(

)

const

Member Data Documentation

m_max_ulps

template<typename RawType>

const std::size_t Elements::FloatingPoint< RawType >::m_max_ulps = defaultMaxUlps<RawType>()

static

Definition at line 200 of file Real.h.

m_u

template<typename RawType>

FloatingPointUnion Elements::FloatingPoint< RawType >::m_u

private

Definition at line 273 of file Real.h.

s_bitcount

template<typename RawType>

const std::size_t Elements::FloatingPoint< RawType >::s_bitcount = 8 * sizeof(RawType)

static

Definition at line 171 of file Real.h.

s_exponent_bitcount

template<typename RawType>

const std::size_t Elements::FloatingPoint< RawType >::s_exponent_bitcount = s_bitcount - 1 - s_fraction_bitcount

static

Definition at line 177 of file Real.h.

s_exponent_bitmask

template<typename RawType>

const Bits Elements::FloatingPoint< RawType >::s_exponent_bitmask = ~(s_sign_bitmask | s_fraction_bitmask)

static

Definition at line 186 of file Real.h.

s_fraction_bitcount

template<typename RawType>

const std::size_t Elements::FloatingPoint< RawType >::s_fraction_bitcount = std::numeric_limits<RawType>::digits - 1

static

Definition at line 174 of file Real.h.

s_fraction_bitmask

template<typename RawType>

const Bits Elements::FloatingPoint< RawType >::s_fraction_bitmask = ~static_cast<Bits>(0) >> (s_exponent_bitcount + 1)

static

Definition at line 183 of file Real.h.

s_sign_bitmask

template<typename RawType>

const Bits Elements::FloatingPoint< RawType >::s_sign_bitmask = static_cast<Bits>(1) << (s_bitcount - 1)

static

Definition at line 180 of file Real.h.

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

• ElementsKernel/ElementsKernel/Real.h