LLVM 17.0.0git
Public Member Functions | Friends | List of all members
llvm::detail::DoubleAPFloat Class Referencefinal

#include "llvm/ADT/APFloat.h"

Inheritance diagram for llvm::detail::DoubleAPFloat:
Inheritance graph
[legend]
Collaboration diagram for llvm::detail::DoubleAPFloat:
Collaboration graph
[legend]

Public Member Functions

 DoubleAPFloat (const fltSemantics &S)
 
 DoubleAPFloat (const fltSemantics &S, uninitializedTag)
 
 DoubleAPFloat (const fltSemantics &S, integerPart)
 
 DoubleAPFloat (const fltSemantics &S, const APInt &I)
 
 DoubleAPFloat (const fltSemantics &S, APFloat &&First, APFloat &&Second)
 
 DoubleAPFloat (const DoubleAPFloat &RHS)
 
 DoubleAPFloat (DoubleAPFloat &&RHS)
 
DoubleAPFloat & operator= (const DoubleAPFloat &RHS)
 
DoubleAPFloat & operator= (DoubleAPFloat &&RHS)
 
bool needsCleanup () const
 
APFloat & getFirst ()
 
const APFloat & getFirst () const
 
APFloat & getSecond ()
 
const APFloat & getSecond () const
 
opStatus add (const DoubleAPFloat &RHS, roundingMode RM)
 
opStatus subtract (const DoubleAPFloat &RHS, roundingMode RM)
 
opStatus multiply (const DoubleAPFloat &RHS, roundingMode RM)
 
opStatus divide (const DoubleAPFloat &RHS, roundingMode RM)
 
opStatus remainder (const DoubleAPFloat &RHS)
 
opStatus mod (const DoubleAPFloat &RHS)
 
opStatus fusedMultiplyAdd (const DoubleAPFloat &Multiplicand, const DoubleAPFloat &Addend, roundingMode RM)
 
opStatus roundToIntegral (roundingMode RM)
 
void changeSign ()
 
cmpResult compareAbsoluteValue (const DoubleAPFloat &RHS) const
 
fltCategory getCategory () const
 
bool isNegative () const
 
void makeInf (bool Neg)
 
void makeZero (bool Neg)
 
void makeLargest (bool Neg)
 
void makeSmallest (bool Neg)
 
void makeSmallestNormalized (bool Neg)
 
void makeNaN (bool SNaN, bool Neg, const APInt *fill)
 
cmpResult compare (const DoubleAPFloat &RHS) const
 
bool bitwiseIsEqual (const DoubleAPFloat &RHS) const
 
APInt bitcastToAPInt () const
 
Expected< opStatus > convertFromString (StringRef, roundingMode)
 
opStatus next (bool nextDown)
 
opStatus convertToInteger (MutableArrayRef< integerPart > Input, unsigned int Width, bool IsSigned, roundingMode RM, bool *IsExact) const
 
opStatus convertFromAPInt (const APInt &Input, bool IsSigned, roundingMode RM)
 
opStatus convertFromSignExtendedInteger (const integerPart *Input, unsigned int InputSize, bool IsSigned, roundingMode RM)
 
opStatus convertFromZeroExtendedInteger (const integerPart *Input, unsigned int InputSize, bool IsSigned, roundingMode RM)
 
unsigned int convertToHexString (char *DST, unsigned int HexDigits, bool UpperCase, roundingMode RM) const
 
bool isDenormal () const
 
bool isSmallest () const
 
bool isSmallestNormalized () const
 
bool isLargest () const
 
bool isInteger () const
 
void toString (SmallVectorImpl< char > &Str, unsigned FormatPrecision, unsigned FormatMaxPadding, bool TruncateZero=true) const
 
bool getExactInverse (APFloat *inv) const
 

Friends

DoubleAPFloat scalbn (const DoubleAPFloat &X, int Exp, roundingMode)
 
DoubleAPFloat frexp (const DoubleAPFloat &X, int &Exp, roundingMode)
 
hash_code hash_value (const DoubleAPFloat &Arg)
 

Additional Inherited Members

- Public Types inherited from llvm::APFloatBase
enum  cmpResult { cmpLessThan , cmpEqual , cmpGreaterThan , cmpUnordered }
 IEEE-754R 5.11: Floating Point Comparison Relations. More...
 
enum  opStatus {
  opOK = 0x00 , opInvalidOp = 0x01 , opDivByZero = 0x02 , opOverflow = 0x04 ,
  opUnderflow = 0x08 , opInexact = 0x10
}
 IEEE-754R 7: Default exception handling. More...
 
enum  fltCategory { fcInfinity , fcNaN , fcNormal , fcZero }
 Category of internally-represented number. More...
 
enum  uninitializedTag { uninitialized }
 Convenience enum used to construct an uninitialized APFloat. More...
 
enum  IlogbErrorKinds { IEK_Zero = INT_MIN + 1 , IEK_NaN = INT_MIN , IEK_Inf = INT_MAX }
 Enumeration of ilogb error results. More...
 
typedef APInt::WordType integerPart
 
typedef int32_t ExponentType
 A signed type to represent a floating point numbers unbiased exponent.
 
using roundingMode = llvm::RoundingMode
 IEEE-754R 4.3: Rounding-direction attributes.
 
enum  Semantics {
  S_IEEEhalf , S_BFloat , S_IEEEsingle , S_IEEEdouble ,
  S_IEEEquad , S_PPCDoubleDouble , S_Float8E5M2 , S_Float8E5M2FNUZ ,
  S_Float8E4M3FN , S_Float8E4M3FNUZ , S_x87DoubleExtended , S_MaxSemantics = S_x87DoubleExtended
}
 
- Static Public Member Functions inherited from llvm::APFloatBase
static unsigned int semanticsPrecision (const fltSemantics &)
 
static ExponentType semanticsMinExponent (const fltSemantics &)
 
static ExponentType semanticsMaxExponent (const fltSemantics &)
 
static unsigned int semanticsSizeInBits (const fltSemantics &)
 
static unsigned int semanticsIntSizeInBits (const fltSemantics &, bool)
 
static unsigned getSizeInBits (const fltSemantics &Sem)
 Returns the size of the floating point number (in bits) in the given semantics.
 
static const llvm::fltSemantics & EnumToSemantics (Semantics S)
 
static Semantics SemanticsToEnum (const llvm::fltSemantics &Sem)
 
static const fltSemantics & IEEEhalf () LLVM_READNONE
 
static const fltSemantics & BFloat () LLVM_READNONE
 
static const fltSemantics & IEEEsingle () LLVM_READNONE
 
static const fltSemantics & IEEEdouble () LLVM_READNONE
 
static const fltSemantics & IEEEquad () LLVM_READNONE
 
static const fltSemantics & PPCDoubleDouble () LLVM_READNONE
 
static const fltSemantics & Float8E5M2 () LLVM_READNONE
 
static const fltSemantics & Float8E5M2FNUZ () LLVM_READNONE
 
static const fltSemantics & Float8E4M3FN () LLVM_READNONE
 
static const fltSemantics & Float8E4M3FNUZ () LLVM_READNONE
 
static const fltSemantics & x87DoubleExtended () LLVM_READNONE
 
static const fltSemantics & Bogus () LLVM_READNONE
 A Pseudo fltsemantic used to construct APFloats that cannot conflict with anything real.
 
- Static Public Attributes inherited from llvm::APFloatBase
static constexpr unsigned integerPartWidth = APInt::APINT_BITS_PER_WORD
 
static constexpr roundingMode rmNearestTiesToEven
 
static constexpr roundingMode rmTowardPositive = RoundingMode::TowardPositive
 
static constexpr roundingMode rmTowardNegative = RoundingMode::TowardNegative
 
static constexpr roundingMode rmTowardZero = RoundingMode::TowardZero
 
static constexpr roundingMode rmNearestTiesToAway
 

Detailed Description

Definition at line 644 of file APFloat.h.

Constructor & Destructor Documentation

◆ DoubleAPFloat() [1/7]

llvm::detail::DoubleAPFloat::DoubleAPFloat ( const fltSemantics &  S)

Definition at line 4753 of file APFloat.cpp.

References llvm::semIEEEdouble.

◆ DoubleAPFloat() [2/7]

llvm::detail::DoubleAPFloat::DoubleAPFloat ( const fltSemantics &  S,
uninitializedTag   
)

Definition at line 4759 of file APFloat.cpp.

References llvm::semIEEEdouble, and llvm::APFloatBase::uninitialized.

◆ DoubleAPFloat() [3/7]

llvm::detail::DoubleAPFloat::DoubleAPFloat ( const fltSemantics &  S,
integerPart  I 
)

Definition at line 4766 of file APFloat.cpp.

References I, and llvm::semIEEEdouble.

◆ DoubleAPFloat() [4/7]

llvm::detail::DoubleAPFloat::DoubleAPFloat ( const fltSemantics &  S,
const APInt &  I 
)

Definition at line 4772 of file APFloat.cpp.

References I, and llvm::semIEEEdouble.

◆ DoubleAPFloat() [5/7]

llvm::detail::DoubleAPFloat::DoubleAPFloat ( const fltSemantics &  S,
APFloat &&  First,
APFloat &&  Second 
)

Definition at line 4780 of file APFloat.cpp.

◆ DoubleAPFloat() [6/7]

llvm::detail::DoubleAPFloat::DoubleAPFloat ( const DoubleAPFloat &  RHS)

Definition at line 4789 of file APFloat.cpp.

References RHS.

◆ DoubleAPFloat() [7/7]

llvm::detail::DoubleAPFloat::DoubleAPFloat ( DoubleAPFloat &&  RHS)

Definition at line 4797 of file APFloat.cpp.

References assert(), RHS, llvm::semBogus, and llvm::semPPCDoubleDouble.

Member Function Documentation

◆ add()

APFloat::opStatus llvm::detail::DoubleAPFloat::add ( const DoubleAPFloat &  RHS,
roundingMode  RM 
)

Definition at line 4942 of file APFloat.cpp.

References RHS.

Referenced by subtract().

◆ bitcastToAPInt()

APInt llvm::detail::DoubleAPFloat::bitcastToAPInt ( ) const

Definition at line 5177 of file APFloat.cpp.

References assert(), llvm::Data, and llvm::semPPCDoubleDouble.

Referenced by convertToHexString(), convertToInteger(), divide(), fusedMultiplyAdd(), getExactInverse(), mod(), next(), remainder(), roundToIntegral(), and toString().

◆ bitwiseIsEqual()

bool llvm::detail::DoubleAPFloat::bitwiseIsEqual ( const DoubleAPFloat &  RHS) const

Definition at line 5166 of file APFloat.cpp.

References RHS.

◆ changeSign()

void llvm::detail::DoubleAPFloat::changeSign ( )

Definition at line 5089 of file APFloat.cpp.

Referenced by makeLargest(), and subtract().

◆ compare()

APFloat::cmpResult llvm::detail::DoubleAPFloat::compare ( const DoubleAPFloat &  RHS) const

Definition at line 5158 of file APFloat.cpp.

References llvm::APFloatBase::cmpEqual, and RHS.

Referenced by isLargest(), isSmallest(), and isSmallestNormalized().

◆ compareAbsoluteValue()

APFloat::cmpResult llvm::detail::DoubleAPFloat::compareAbsoluteValue ( const DoubleAPFloat &  RHS) const

Definition at line 5095 of file APFloat.cpp.

References llvm::APFloatBase::cmpEqual, llvm::APFloatBase::cmpGreaterThan, llvm::APFloatBase::cmpLessThan, and RHS.

◆ convertFromAPInt()

APFloat::opStatus llvm::detail::DoubleAPFloat::convertFromAPInt ( const APInt &  Input,
bool  IsSigned,
roundingMode  RM 
)

Definition at line 5212 of file APFloat.cpp.

References assert(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::convertFromAPInt(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ convertFromSignExtendedInteger()

APFloat::opStatus llvm::detail::DoubleAPFloat::convertFromSignExtendedInteger ( const integerPart *  Input,
unsigned int  InputSize,
bool  IsSigned,
roundingMode  RM 
)

Definition at line 5223 of file APFloat.cpp.

References assert(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::convertFromSignExtendedInteger(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ convertFromString()

Expected< APFloat::opStatus > llvm::detail::DoubleAPFloat::convertFromString ( StringRef  S,
roundingMode  RM 
)

Definition at line 5186 of file APFloat.cpp.

References assert(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::convertFromString(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ convertFromZeroExtendedInteger()

APFloat::opStatus llvm::detail::DoubleAPFloat::convertFromZeroExtendedInteger ( const integerPart *  Input,
unsigned int  InputSize,
bool  IsSigned,
roundingMode  RM 
)

Definition at line 5234 of file APFloat.cpp.

References assert(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::convertFromZeroExtendedInteger(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ convertToHexString()

unsigned int llvm::detail::DoubleAPFloat::convertToHexString ( char *  DST,
unsigned int  HexDigits,
bool  UpperCase,
roundingMode  RM 
) const

Definition at line 5244 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::convertToHexString(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ convertToInteger()

APFloat::opStatus llvm::detail::DoubleAPFloat::convertToInteger ( MutableArrayRef< integerPart >  Input,
unsigned int  Width,
bool  IsSigned,
roundingMode  RM,
bool *  IsExact 
) const

Definition at line 5204 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::convertToInteger(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ divide()

APFloat::opStatus llvm::detail::DoubleAPFloat::divide ( const DoubleAPFloat &  RHS,
APFloat::roundingMode  RM 
)

Definition at line 5041 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::divide(), RHS, llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ fusedMultiplyAdd()

APFloat::opStatus llvm::detail::DoubleAPFloat::fusedMultiplyAdd ( const DoubleAPFloat &  Multiplicand,
const DoubleAPFloat &  Addend,
APFloat::roundingMode  RM 
)

Definition at line 5069 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::fusedMultiplyAdd(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ getCategory()

APFloat::fltCategory llvm::detail::DoubleAPFloat::getCategory ( ) const

Definition at line 5115 of file APFloat.cpp.

Referenced by isDenormal(), isLargest(), isSmallest(), and isSmallestNormalized().

◆ getExactInverse()

bool llvm::detail::DoubleAPFloat::getExactInverse ( APFloat *  inv) const

Definition at line 5299 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::getExactInverse(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ getFirst() [1/2]

APFloat & llvm::detail::DoubleAPFloat::getFirst ( )
inline

Definition at line 676 of file APFloat.h.

◆ getFirst() [2/2]

const APFloat & llvm::detail::DoubleAPFloat::getFirst ( ) const
inline

Definition at line 677 of file APFloat.h.

◆ getSecond() [1/2]

APFloat & llvm::detail::DoubleAPFloat::getSecond ( )
inline

Definition at line 678 of file APFloat.h.

◆ getSecond() [2/2]

const APFloat & llvm::detail::DoubleAPFloat::getSecond ( ) const
inline

Definition at line 679 of file APFloat.h.

◆ isDenormal()

bool llvm::detail::DoubleAPFloat::isDenormal ( ) const

Definition at line 5253 of file APFloat.cpp.

References llvm::APFloatBase::fcNormal, and getCategory().

◆ isInteger()

bool llvm::detail::DoubleAPFloat::isInteger ( ) const

Definition at line 5285 of file APFloat.cpp.

References assert(), and llvm::semPPCDoubleDouble.

◆ isLargest()

bool llvm::detail::DoubleAPFloat::isLargest ( ) const

Definition at line 5277 of file APFloat.cpp.

References llvm::APFloatBase::cmpEqual, compare(), llvm::APFloatBase::fcNormal, getCategory(), isNegative(), and makeLargest().

◆ isNegative()

bool llvm::detail::DoubleAPFloat::isNegative ( ) const

Definition at line 5119 of file APFloat.cpp.

Referenced by isLargest(), isSmallest(), and isSmallestNormalized().

◆ isSmallest()

bool llvm::detail::DoubleAPFloat::isSmallest ( ) const

Definition at line 5260 of file APFloat.cpp.

References llvm::APFloatBase::cmpEqual, compare(), llvm::APFloatBase::fcNormal, getCategory(), isNegative(), and makeSmallest().

◆ isSmallestNormalized()

bool llvm::detail::DoubleAPFloat::isSmallestNormalized ( ) const

Definition at line 5268 of file APFloat.cpp.

References llvm::APFloatBase::cmpEqual, compare(), llvm::APFloatBase::fcNormal, getCategory(), isNegative(), and makeSmallestNormalized().

◆ makeInf()

void llvm::detail::DoubleAPFloat::makeInf ( bool  Neg)

Definition at line 5121 of file APFloat.cpp.

◆ makeLargest()

void llvm::detail::DoubleAPFloat::makeLargest ( bool  Neg)

Definition at line 5131 of file APFloat.cpp.

References assert(), changeSign(), llvm::semIEEEdouble, and llvm::semPPCDoubleDouble.

Referenced by isLargest().

◆ makeNaN()

void llvm::detail::DoubleAPFloat::makeNaN ( bool  SNaN,
bool  Neg,
const APInt *  fill 
)

Definition at line 5153 of file APFloat.cpp.

◆ makeSmallest()

void llvm::detail::DoubleAPFloat::makeSmallest ( bool  Neg)

Definition at line 5139 of file APFloat.cpp.

References assert(), and llvm::semPPCDoubleDouble.

Referenced by isSmallest().

◆ makeSmallestNormalized()

void llvm::detail::DoubleAPFloat::makeSmallestNormalized ( bool  Neg)

Definition at line 5145 of file APFloat.cpp.

References assert(), llvm::semIEEEdouble, and llvm::semPPCDoubleDouble.

Referenced by isSmallestNormalized().

◆ makeZero()

void llvm::detail::DoubleAPFloat::makeZero ( bool  Neg)

Definition at line 5126 of file APFloat.cpp.

◆ mod()

APFloat::opStatus llvm::detail::DoubleAPFloat::mod ( const DoubleAPFloat &  RHS)

Definition at line 5060 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::mod(), RHS, llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ multiply()

APFloat::opStatus llvm::detail::DoubleAPFloat::multiply ( const DoubleAPFloat &  RHS,
APFloat::roundingMode  RM 
)

Definition at line 4955 of file APFloat.cpp.

References A, llvm::APFloat::add(), assert(), B, llvm::CallingConv::C, D, llvm::APFloatBase::fcInfinity, llvm::APFloatBase::fcNaN, llvm::APFloatBase::fcNormal, llvm::APFloatBase::fcZero, llvm::APFloat::fusedMultiplyAdd(), LHS, llvm::APFloatBase::opOK, and RHS.

◆ needsCleanup()

bool llvm::detail::DoubleAPFloat::needsCleanup ( ) const
inline

Definition at line 674 of file APFloat.h.

◆ next()

APFloat::opStatus llvm::detail::DoubleAPFloat::next ( bool  nextDown)

Definition at line 5195 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::next(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ operator=() [1/2]

DoubleAPFloat & llvm::detail::DoubleAPFloat::operator= ( const DoubleAPFloat &  RHS)

Definition at line 4803 of file APFloat.cpp.

References RHS.

◆ operator=() [2/2]

DoubleAPFloat & llvm::detail::DoubleAPFloat::operator= ( DoubleAPFloat &&  RHS)
inline

Definition at line 666 of file APFloat.h.

References RHS.

◆ remainder()

APFloat::opStatus llvm::detail::DoubleAPFloat::remainder ( const DoubleAPFloat &  RHS)

Definition at line 5051 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::remainder(), RHS, llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ roundToIntegral()

APFloat::opStatus llvm::detail::DoubleAPFloat::roundToIntegral ( APFloat::roundingMode  RM)

Definition at line 5081 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::APFloat::bitcastToAPInt(), llvm::APFloat::roundToIntegral(), llvm::semPPCDoubleDouble, and llvm::semPPCDoubleDoubleLegacy.

◆ subtract()

APFloat::opStatus llvm::detail::DoubleAPFloat::subtract ( const DoubleAPFloat &  RHS,
roundingMode  RM 
)

Definition at line 4947 of file APFloat.cpp.

References add(), changeSign(), and RHS.

◆ toString()

void llvm::detail::DoubleAPFloat::toString ( SmallVectorImpl< char > &  Str,
unsigned  FormatPrecision,
unsigned  FormatMaxPadding,
bool  TruncateZero = true 
) const

Definition at line 5290 of file APFloat.cpp.

References assert(), bitcastToAPInt(), llvm::semPPCDoubleDouble, llvm::semPPCDoubleDoubleLegacy, and llvm::APFloat::toString().

Friends And Related Function Documentation

◆ frexp

DoubleAPFloat frexp ( const DoubleAPFloat &  X,
int &  Exp,
roundingMode   
)
friend

◆ hash_value

hash_code hash_value ( const DoubleAPFloat &  Arg)
friend

Definition at line 5171 of file APFloat.cpp.

◆ scalbn

DoubleAPFloat scalbn ( const DoubleAPFloat &  X,
int  Exp,
roundingMode   
)
friend
The documentation for this class was generated from the following files:
Generated on Fri Mar 24 2023 05:04:33 for LLVM by doxygen 1.9.6