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 172 of file Real.h.

Member Typedef Documentation

Bits

template<typename RawType >

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

Definition at line 176 of file Real.h.

Constructor & Destructor Documentation

FloatingPoint()

template<typename RawType >

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

inlineexplicit

Definition at line 218 of file Real.h.

Member Function Documentation

AlmostEquals()

template<typename RawType >

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

inline

Definition at line 273 of file Real.h.

References Elements::FloatingPoint< RawType >::isNan(), Elements::isNan(), Elements::FloatingPoint< RawType >::FloatingPointUnion::m_bits, and Elements::FloatingPoint< RawType >::m_u.

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bits()

template<typename RawType >

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

inline

Definition at line 241 of file Real.h.

distanceBetweenSignAndMagnitudeNumbers()

template<typename RawType >

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

inlinestatic

Definition at line 309 of file Real.h.

Referenced by Elements::isEqual().

exponentBits()

template<typename RawType >

Bits Elements::FloatingPoint< RawType >::exponentBits ( ) const

inline

Definition at line 246 of file Real.h.

fractionBits()

template<typename RawType >

Bits Elements::FloatingPoint< RawType >::fractionBits ( ) const

inline

Definition at line 251 of file Real.h.

Infinity()

template<typename RawType >

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

inlinestatic

Definition at line 234 of file Real.h.

isNan()

template<typename RawType >

bool Elements::FloatingPoint< RawType >::isNan ( ) const

inline

Definition at line 261 of file Real.h.

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

ReinterpretBits()

template<typename RawType >

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

inlinestatic

Definition at line 227 of file Real.h.

References Elements::FloatingPoint< RawType >::FloatingPointUnion::m_bits, Elements::FloatingPoint< RawType >::m_u, and Elements::FloatingPoint< RawType >::FloatingPointUnion::m_value.

signAndMagnitudeToBiased()

template<typename RawType >

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

inlinestatic

Definition at line 297 of file Real.h.

signBit()

template<typename RawType >

Bits Elements::FloatingPoint< RawType >::signBit ( ) const

inline

Definition at line 256 of file Real.h.

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 210 of file Real.h.

m_u

template<typename RawType >

FloatingPointUnion Elements::FloatingPoint< RawType >::m_u

private

Definition at line 322 of file Real.h.

Referenced by Elements::FloatingPoint< RawType >::AlmostEquals(), and Elements::FloatingPoint< RawType >::ReinterpretBits().

s_bitcount

template<typename RawType >

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

static

Definition at line 181 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 187 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 196 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 184 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 193 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 190 of file Real.h.

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

• ElementsKernel/ElementsKernel/Real.h