LLVM  10.0.0svn
Classes | Public Member Functions | Static Public Member Functions | Public Attributes | Friends | List of all members
llvm::APFloat Class Reference

#include "llvm/ADT/APFloat.h"

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Public Member Functions

 APFloat (const fltSemantics &Semantics)
 
 APFloat (const fltSemantics &Semantics, StringRef S)
 
 APFloat (const fltSemantics &Semantics, integerPart I)
 
 APFloat (const fltSemantics &Semantics, uninitializedTag)
 
 APFloat (const fltSemantics &Semantics, const APInt &I)
 
 APFloat (double d)
 
 APFloat (float f)
 
 APFloat (const APFloat &RHS)=default
 
 APFloat (APFloat &&RHS)=default
 
 ~APFloat ()=default
 
bool needsCleanup () const
 
void Profile (FoldingSetNodeID &NID) const
 Used to insert APFloat objects, or objects that contain APFloat objects, into FoldingSets. More...
 
opStatus add (const APFloat &RHS, roundingMode RM)
 
opStatus subtract (const APFloat &RHS, roundingMode RM)
 
opStatus multiply (const APFloat &RHS, roundingMode RM)
 
opStatus divide (const APFloat &RHS, roundingMode RM)
 
opStatus remainder (const APFloat &RHS)
 
opStatus mod (const APFloat &RHS)
 
opStatus fusedMultiplyAdd (const APFloat &Multiplicand, const APFloat &Addend, roundingMode RM)
 
opStatus roundToIntegral (roundingMode RM)
 
opStatus next (bool nextDown)
 
APFloat operator+ (const APFloat &RHS) const
 Add two APFloats, rounding ties to the nearest even. More...
 
APFloat operator- (const APFloat &RHS) const
 Subtract two APFloats, rounding ties to the nearest even. More...
 
APFloat operator* (const APFloat &RHS) const
 Multiply two APFloats, rounding ties to the nearest even. More...
 
APFloat operator/ (const APFloat &RHS) const
 Divide the first APFloat by the second, rounding ties to the nearest even. More...
 
void changeSign ()
 
void clearSign ()
 
void copySign (const APFloat &RHS)
 
opStatus convert (const fltSemantics &ToSemantics, roundingMode RM, bool *losesInfo)
 
opStatus convertToInteger (MutableArrayRef< integerPart > Input, unsigned int Width, bool IsSigned, roundingMode RM, bool *IsExact) const
 
opStatus convertToInteger (APSInt &Result, 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)
 
opStatus convertFromString (StringRef, roundingMode)
 
APInt bitcastToAPInt () const
 
double convertToDouble () const
 
float convertToFloat () const
 
bool operator== (const APFloat &) const =delete
 
cmpResult compare (const APFloat &RHS) const
 
bool bitwiseIsEqual (const APFloat &RHS) const
 
bool isExactlyValue (double V) const
 We don't rely on operator== working on double values, as it returns true for things that are clearly not equal, like -0.0 and 0.0. More...
 
unsigned int convertToHexString (char *DST, unsigned int HexDigits, bool UpperCase, roundingMode RM) const
 
bool isZero () const
 
bool isInfinity () const
 
bool isNaN () const
 
bool isNegative () const
 
bool isDenormal () const
 
bool isSignaling () const
 
bool isNormal () const
 
bool isFinite () const
 
fltCategory getCategory () const
 
const fltSemanticsgetSemantics () const
 
bool isNonZero () const
 
bool isFiniteNonZero () const
 
bool isPosZero () const
 
bool isNegZero () const
 
bool isSmallest () const
 
bool isLargest () const
 
bool isInteger () const
 
APFloatoperator= (const APFloat &RHS)=default
 
APFloatoperator= (APFloat &&RHS)=default
 
void toString (SmallVectorImpl< char > &Str, unsigned FormatPrecision=0, unsigned FormatMaxPadding=3, bool TruncateZero=true) const
 
void print (raw_ostream &) const
 
void dump () const
 
bool getExactInverse (APFloat *inv) const
 

Static Public Member Functions

static APFloat getZero (const fltSemantics &Sem, bool Negative=false)
 Factory for Positive and Negative Zero. More...
 
static APFloat getInf (const fltSemantics &Sem, bool Negative=false)
 Factory for Positive and Negative Infinity. More...
 
static APFloat getNaN (const fltSemantics &Sem, bool Negative=false, uint64_t payload=0)
 Factory for NaN values. More...
 
static APFloat getQNaN (const fltSemantics &Sem, bool Negative=false, const APInt *payload=nullptr)
 Factory for QNaN values. More...
 
static APFloat getSNaN (const fltSemantics &Sem, bool Negative=false, const APInt *payload=nullptr)
 Factory for SNaN values. More...
 
static APFloat getLargest (const fltSemantics &Sem, bool Negative=false)
 Returns the largest finite number in the given semantics. More...
 
static APFloat getSmallest (const fltSemantics &Sem, bool Negative=false)
 Returns the smallest (by magnitude) finite number in the given semantics. More...
 
static APFloat getSmallestNormalized (const fltSemantics &Sem, bool Negative=false)
 Returns the smallest (by magnitude) normalized finite number in the given semantics. More...
 
static APFloat getAllOnesValue (unsigned BitWidth, bool isIEEE=false)
 Returns a float which is bitcasted from an all one value int. More...
 
static APFloat copySign (APFloat Value, const APFloat &Sign)
 A static helper to produce a copy of an APFloat value with its sign copied from some other APFloat. More...
 
- 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 getSizeInBits (const fltSemantics &Sem)
 Returns the size of the floating point number (in bits) in the given semantics. More...
 
static const llvm::fltSemanticsEnumToSemantics (Semantics S)
 
static Semantics SemanticsToEnum (const llvm::fltSemantics &Sem)
 
static const fltSemanticsIEEEhalf () LLVM_READNONE
 
static const fltSemanticsIEEEsingle () LLVM_READNONE
 
static const fltSemanticsIEEEdouble () LLVM_READNONE
 
static const fltSemanticsIEEEquad () LLVM_READNONE
 
static const fltSemanticsPPCDoubleDouble () LLVM_READNONE
 
static const fltSemanticsx87DoubleExtended () LLVM_READNONE
 
static const fltSemanticsBogus () LLVM_READNONE
 A Pseudo fltsemantic used to construct APFloats that cannot conflict with anything real. More...
 

Public Attributes

friend IEEEFloat
 
friend DoubleAPFloat
 

Friends

hash_code hash_value (const APFloat &Arg)
 See friend declarations above. More...
 
int ilogb (const APFloat &Arg)
 
APFloat scalbn (APFloat X, int Exp, roundingMode RM)
 
APFloat frexp (const APFloat &X, int &Exp, roundingMode RM)
 

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  roundingMode {
  rmNearestTiesToEven, rmTowardPositive, rmTowardNegative, rmTowardZero,
  rmNearestTiesToAway
}
 IEEE-754R 4.3: Rounding-direction attributes. 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 signed short ExponentType
 A signed type to represent a floating point numbers unbiased exponent. More...
 
enum  Semantics {
  S_IEEEhalf, S_IEEEsingle, S_IEEEdouble, S_x87DoubleExtended,
  S_IEEEquad, S_PPCDoubleDouble
}
 
- Static Public Attributes inherited from llvm::APFloatBase
static const unsigned integerPartWidth = APInt::APINT_BITS_PER_WORD
 

Detailed Description

Definition at line 689 of file APFloat.h.

Constructor & Destructor Documentation

◆ APFloat() [1/9]

llvm::APFloat::APFloat ( const fltSemantics Semantics)
inline

Definition at line 851 of file APFloat.h.

References llvm::lltok::APFloat.

◆ APFloat() [2/9]

llvm::APFloat::APFloat ( const fltSemantics Semantics,
StringRef  S 
)

Definition at line 4478 of file APFloat.cpp.

References convertFromString(), and llvm::APFloatBase::rmNearestTiesToEven.

◆ APFloat() [3/9]

llvm::APFloat::APFloat ( const fltSemantics Semantics,
integerPart  I 
)
inline

Definition at line 853 of file APFloat.h.

◆ APFloat() [4/9]

llvm::APFloat::APFloat ( const fltSemantics Semantics,
uninitializedTag   
)
inline

Definition at line 855 of file APFloat.h.

◆ APFloat() [5/9]

llvm::APFloat::APFloat ( const fltSemantics Semantics,
const APInt I 
)
inline

Definition at line 857 of file APFloat.h.

◆ APFloat() [6/9]

llvm::APFloat::APFloat ( double  d)
inlineexplicit

Definition at line 858 of file APFloat.h.

◆ APFloat() [7/9]

llvm::APFloat::APFloat ( float  f)
inlineexplicit

Definition at line 859 of file APFloat.h.

References llvm::lltok::APFloat.

◆ APFloat() [8/9]

llvm::APFloat::APFloat ( const APFloat RHS)
default

◆ APFloat() [9/9]

llvm::APFloat::APFloat ( APFloat &&  RHS)
default

◆ ~APFloat()

llvm::APFloat::~APFloat ( )
default

Member Function Documentation

◆ add()

opStatus llvm::APFloat::add ( const APFloat RHS,
roundingMode  RM 
)
inline

◆ bitcastToAPInt()

APInt llvm::APFloat::bitcastToAPInt ( ) const
inline

Definition at line 1109 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS.

Referenced by llvm::DwarfUnit::addConstantFPValue(), llvm::SparcTargetLowering::bitcastConstantFPToInt(), llvm::canConstantFoldCallTo(), CC_MipsO32_FP64(), changeFCMPPredToAArch64CC(), llvm::FunctionComparator::cmpAPFloats(), llvm::detail::DoubleAPFloat::convertFromAPInt(), llvm::detail::DoubleAPFloat::convertFromSignExtendedInteger(), llvm::detail::DoubleAPFloat::convertFromString(), llvm::detail::DoubleAPFloat::convertFromZeroExtendedInteger(), llvm::detail::DoubleAPFloat::divide(), llvm::DwarfDebug::emitDebugLocValue(), emitGlobalConstantFP(), llvm::R600TargetLowering::EmitInstrWithCustomInserter(), llvm::detail::DoubleAPFloat::fusedMultiplyAdd(), llvm::ExecutionEngine::getConstantValue(), llvm::detail::DoubleAPFloat::getExactInverse(), llvm::AArch64_AM::getFP16Imm(), llvm::ARM_AM::getFP16Imm(), llvm::AArch64_AM::getFP32Imm(), llvm::ARM_AM::getFP32Imm(), llvm::AArch64_AM::getFP64Imm(), llvm::ARM_AM::getFP64Imm(), GetFPLibCall(), getImplicitScaleFactor(), llvm::SelectionDAG::getNode(), getOpenCLAlignment(), GetPromotionOpcode(), getSplatConstantFP(), llvm::HexagonLowerToMC(), llvm::SITargetLowering::isCanonicalized(), llvm::AArch64TargetLowering::isFPImmLegal(), llvm::ARMLegalizerInfo::legalizeCustom(), llvm::HexagonTargetLowering::LowerBITCAST(), llvm::detail::DoubleAPFloat::mod(), llvm::detail::DoubleAPFloat::next(), nextReg(), parseHexOcta(), llvm::R600TargetLowering::PerformDAGCombine(), llvm::NVPTXFloatMCExpr::printImpl(), Profile(), llvm::detail::DoubleAPFloat::remainder(), llvm::detail::DoubleAPFloat::roundToIntegral(), llvm::HexagonDAGToDAGISel::SelectConstantFP(), shouldUseAndMask(), ShrinkLoadReplaceStoreWithStore(), llvm::SystemZVectorConstantInfo::SystemZVectorConstantInfo(), toString(), and WriteConstantInternal().

◆ bitwiseIsEqual()

bool llvm::APFloat::bitwiseIsEqual ( const APFloat RHS) const
inline

◆ changeSign()

void llvm::APFloat::changeSign ( )
inline

◆ clearSign()

void llvm::APFloat::clearSign ( )
inline

◆ compare()

cmpResult llvm::APFloat::compare ( const APFloat RHS) const
inline

◆ convert()

APFloat::opStatus llvm::APFloat::convert ( const fltSemantics ToSemantics,
roundingMode  RM,
bool losesInfo 
)

◆ convertFromAPInt()

opStatus llvm::APFloat::convertFromAPInt ( const APInt Input,
bool  IsSigned,
roundingMode  RM 
)
inline

◆ convertFromSignExtendedInteger()

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

◆ convertFromString()

APFloat::opStatus llvm::APFloat::convertFromString ( StringRef  Str,
roundingMode  RM 
)

◆ convertFromZeroExtendedInteger()

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

◆ convertToDouble()

double llvm::APFloat::convertToDouble ( ) const
inline

◆ convertToFloat()

float llvm::APFloat::convertToFloat ( ) const
inline

◆ convertToHexString()

unsigned int llvm::APFloat::convertToHexString ( char DST,
unsigned int  HexDigits,
bool  UpperCase,
roundingMode  RM 
) const
inline

Definition at line 1152 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS.

Referenced by toString().

◆ convertToInteger() [1/2]

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

◆ convertToInteger() [2/2]

APFloat::opStatus llvm::APFloat::convertToInteger ( APSInt Result,
roundingMode  RM,
bool IsExact 
) const

◆ copySign() [1/2]

void llvm::APFloat::copySign ( const APFloat RHS)
inline

◆ copySign() [2/2]

static APFloat llvm::APFloat::copySign ( APFloat  Value,
const APFloat Sign 
)
inlinestatic

A static helper to produce a copy of an APFloat value with its sign copied from some other APFloat.

Definition at line 1077 of file APFloat.h.

References copySign(), and llvm::NVPTX::PTXCvtMode::RM.

◆ divide()

opStatus llvm::APFloat::divide ( const APFloat RHS,
roundingMode  RM 
)
inline

◆ dump()

LLVM_DUMP_METHOD void llvm::APFloat::dump ( ) const

Definition at line 4537 of file APFloat.cpp.

References llvm::dbgs(), and print().

Referenced by llvm::AArch64TargetLowering::isFPImmLegal().

◆ fusedMultiplyAdd()

opStatus llvm::APFloat::fusedMultiplyAdd ( const APFloat Multiplicand,
const APFloat Addend,
roundingMode  RM 
)
inline

◆ getAllOnesValue()

APFloat llvm::APFloat::getAllOnesValue ( unsigned  BitWidth,
bool  isIEEE = false 
)
static

Returns a float which is bitcasted from an all one value int.

Parameters
BitWidth- Select float type
isIEEE- If 128 bit number, select between PPC and IEEE

Definition at line 4508 of file APFloat.cpp.

References assert(), llvm::APInt::getAllOnesValue(), and llvm_unreachable.

Referenced by llvm::Constant::getAllOnesValue(), and lowerShuffleAsBitMask().

◆ getCategory()

fltCategory llvm::APFloat::getCategory ( ) const
inline

Definition at line 1169 of file APFloat.h.

◆ getExactInverse()

bool llvm::APFloat::getExactInverse ( APFloat inv) const
inline

◆ getInf()

static APFloat llvm::APFloat::getInf ( const fltSemantics Sem,
bool  Negative = false 
)
inlinestatic

Factory for Positive and Negative Infinity.

Parameters
NegativeTrue iff the number should be negative.

Definition at line 879 of file APFloat.h.

References llvm::APFloatBase::uninitialized.

Referenced by llvm::ConstantFP::getInfinity(), and parseHexOcta().

◆ getLargest()

static APFloat llvm::APFloat::getLargest ( const fltSemantics Sem,
bool  Negative = false 
)
inlinestatic

Returns the largest finite number in the given semantics.

Parameters
Negative- True iff the number should be negative

Definition at line 919 of file APFloat.h.

References llvm::APFloatBase::uninitialized.

Referenced by llvm::fuzzerop::makeConstantsWithType(), and parseTexFail().

◆ getNaN()

static APFloat llvm::APFloat::getNaN ( const fltSemantics Sem,
bool  Negative = false,
uint64_t  payload = 0 
)
inlinestatic

Factory for NaN values.

Parameters
Negative- True iff the NaN generated should be negative.
payload- The unspecified fill bits for creating the NaN, 0 by default. The value is truncated as necessary.

Definition at line 890 of file APFloat.h.

Referenced by llvm::SelectionDAG::foldConstantFPMath(), llvm::ConstantFP::getNaN(), and parseHexOcta().

◆ getQNaN()

static APFloat llvm::APFloat::getQNaN ( const fltSemantics Sem,
bool  Negative = false,
const APInt payload = nullptr 
)
inlinestatic

◆ getSemantics()

const fltSemantics& llvm::APFloat::getSemantics ( ) const
inline

◆ getSmallest()

static APFloat llvm::APFloat::getSmallest ( const fltSemantics Sem,
bool  Negative = false 
)
inlinestatic

Returns the smallest (by magnitude) finite number in the given semantics.

Might be denormalized, which implies a relative loss of precision.

Parameters
Negative- True iff the number should be negative

Definition at line 929 of file APFloat.h.

References llvm::APFloatBase::uninitialized.

Referenced by llvm::fuzzerop::makeConstantsWithType().

◆ getSmallestNormalized()

static APFloat llvm::APFloat::getSmallestNormalized ( const fltSemantics Sem,
bool  Negative = false 
)
inlinestatic

Returns the smallest (by magnitude) normalized finite number in the given semantics.

Parameters
Negative- True iff the number should be negative

Definition at line 939 of file APFloat.h.

References llvm::APFloatBase::uninitialized.

Referenced by INITIALIZE_PASS(), and llvm::InstCombiner::visitFCmpInst().

◆ getSNaN()

static APFloat llvm::APFloat::getSNaN ( const fltSemantics Sem,
bool  Negative = false,
const APInt payload = nullptr 
)
inlinestatic

Factory for SNaN values.

Definition at line 909 of file APFloat.h.

References llvm::APFloatBase::uninitialized.

Referenced by llvm::ConstantFP::getSNaN().

◆ getZero()

static APFloat llvm::APFloat::getZero ( const fltSemantics Sem,
bool  Negative = false 
)
inlinestatic

Factory for Positive and Negative Zero.

Parameters
NegativeTrue iff the number should be negative.

Definition at line 870 of file APFloat.h.

References llvm::APFloatBase::uninitialized.

Referenced by llvm::ExecutionEngine::getConstantValue(), llvm::ConstantFP::getNegativeZero(), llvm::Constant::getNullValue(), llvm::fuzzerop::makeConstantsWithType(), and llvm::X86TargetLowering::X86TargetLowering().

◆ isDenormal()

bool llvm::APFloat::isDenormal ( ) const
inline

Definition at line 1163 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS, and isDenormal().

Referenced by llvm::SITargetLowering::isCanonicalized(), and isDenormal().

◆ isExactlyValue()

bool llvm::APFloat::isExactlyValue ( double  V) const
inline

We don't rely on operator== working on double values, as it returns true for things that are clearly not equal, like -0.0 and 0.0.

As such, this method can be used to do an exact bit-for-bit comparison of two floating point values.

We leave the version with the double argument here because it's just so convenient to write "2.0" and the like. Without this function we'd have to duplicate its logic everywhere it's called.

Definition at line 1145 of file APFloat.h.

References convert(), and llvm::APFloatBase::rmNearestTiesToEven.

Referenced by CanCombineFCOPYSIGN_EXTEND_ROUND(), changeFCMPPredToAArch64CC(), getSqrtCall(), llvm::ConstantFPSDNode::isExactlyValue(), and llvm::SelectionDAG::simplifyFPBinop().

◆ isFinite()

bool llvm::APFloat::isFinite ( ) const
inline

◆ isFiniteNonZero()

bool llvm::APFloat::isFiniteNonZero ( ) const
inline

Definition at line 1172 of file APFloat.h.

References isZero().

Referenced by getParentPad(), and llvm::detail::DoubleAPFloat::multiply().

◆ isInfinity()

bool llvm::APFloat::isInfinity ( ) const
inline

◆ isInteger()

bool llvm::APFloat::isInteger ( ) const
inline

Definition at line 1177 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS, and isInteger().

Referenced by createPowWithIntegerExponent(), getIntToFPVal(), and isInteger().

◆ isLargest()

bool llvm::APFloat::isLargest ( ) const
inline

Definition at line 1176 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS, and isLargest().

Referenced by isLargest().

◆ isNaN()

bool llvm::APFloat::isNaN ( ) const
inline

◆ isNegative()

bool llvm::APFloat::isNegative ( ) const
inline

◆ isNegZero()

bool llvm::APFloat::isNegZero ( ) const
inline

◆ isNonZero()

bool llvm::APFloat::isNonZero ( ) const
inline

Definition at line 1171 of file APFloat.h.

References isZero().

◆ isNormal()

bool llvm::APFloat::isNormal ( ) const
inline

Definition at line 1166 of file APFloat.h.

Referenced by factorizeFAddFSub(), and getIntToFPVal().

◆ isPosZero()

bool llvm::APFloat::isPosZero ( ) const
inline

◆ isSignaling()

bool llvm::APFloat::isSignaling ( ) const
inline

Definition at line 1164 of file APFloat.h.

Referenced by llvm::SITargetLowering::isCanonicalized().

◆ isSmallest()

bool llvm::APFloat::isSmallest ( ) const
inline

Definition at line 1175 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS, and isSmallest().

Referenced by isSmallest().

◆ isZero()

bool llvm::APFloat::isZero ( ) const
inline

◆ mod()

opStatus llvm::APFloat::mod ( const APFloat RHS)
inline

◆ multiply()

opStatus llvm::APFloat::multiply ( const APFloat RHS,
roundingMode  RM 
)
inline

◆ needsCleanup()

bool llvm::APFloat::needsCleanup ( ) const
inline

Definition at line 865 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS, and needsCleanup().

Referenced by needsCleanup().

◆ next()

opStatus llvm::APFloat::next ( bool  nextDown)
inline

Definition at line 1029 of file APFloat.h.

References APFLOAT_DISPATCH_ON_SEMANTICS.

Referenced by llvm::detail::DoubleAPFloat::next().

◆ operator*()

APFloat llvm::APFloat::operator* ( const APFloat RHS) const
inline

Multiply two APFloats, rounding ties to the nearest even.

No error checking.

Definition at line 1051 of file APFloat.h.

References multiply(), and llvm::APFloatBase::rmNearestTiesToEven.

◆ operator+()

APFloat llvm::APFloat::operator+ ( const APFloat RHS) const
inline

Add two APFloats, rounding ties to the nearest even.

No error checking.

Definition at line 1035 of file APFloat.h.

References add(), and llvm::APFloatBase::rmNearestTiesToEven.

◆ operator-()

APFloat llvm::APFloat::operator- ( const APFloat RHS) const
inline

Subtract two APFloats, rounding ties to the nearest even.

No error checking.

Definition at line 1043 of file APFloat.h.

References llvm::APFloatBase::rmNearestTiesToEven, and subtract().

◆ operator/()

APFloat llvm::APFloat::operator/ ( const APFloat RHS) const
inline

Divide the first APFloat by the second, rounding ties to the nearest even.

No error checking.

Definition at line 1059 of file APFloat.h.

References divide(), and llvm::APFloatBase::rmNearestTiesToEven.

◆ operator=() [1/2]

APFloat& llvm::APFloat::operator= ( const APFloat RHS)
default

◆ operator=() [2/2]

APFloat& llvm::APFloat::operator= ( APFloat &&  RHS)
default

◆ operator==()

bool llvm::APFloat::operator== ( const APFloat ) const
delete

◆ print()

void llvm::APFloat::print ( raw_ostream OS) const

Definition at line 4530 of file APFloat.cpp.

References toString().

Referenced by dump().

◆ Profile()

void llvm::APFloat::Profile ( FoldingSetNodeID NID) const

Used to insert APFloat objects, or objects that contain APFloat objects, into FoldingSets.

Definition at line 4540 of file APFloat.cpp.

References llvm::FoldingSetNodeID::Add(), and bitcastToAPInt().

◆ remainder()

opStatus llvm::APFloat::remainder ( const APFloat RHS)
inline

Definition at line 992 of file APFloat.h.

References assert(), getSemantics(), and llvm_unreachable.

Referenced by llvm::detail::DoubleAPFloat::remainder().

◆ roundToIntegral()

opStatus llvm::APFloat::roundToIntegral ( roundingMode  RM)
inline

◆ subtract()

opStatus llvm::APFloat::subtract ( const APFloat RHS,
roundingMode  RM 
)
inline

◆ toString()

void llvm::APFloat::toString ( SmallVectorImpl< char > &  Str,
unsigned  FormatPrecision = 0,
unsigned  FormatMaxPadding = 3,
bool  TruncateZero = true 
) const
inline

Friends And Related Function Documentation

◆ frexp

APFloat frexp ( const APFloat X,
int &  Exp,
roundingMode  RM 
)
friend

◆ hash_value

hash_code hash_value ( const APFloat Arg)
friend

See friend declarations above.

These additional declarations are required in order to compile LLVM with IBM xlC compiler.

Definition at line 4470 of file APFloat.cpp.

◆ ilogb

int ilogb ( const APFloat Arg)
friend

Definition at line 1196 of file APFloat.h.

◆ scalbn

APFloat scalbn ( APFloat  X,
int  Exp,
roundingMode  RM 
)
friend

Member Data Documentation

◆ DoubleAPFloat

Definition at line 1200 of file APFloat.h.

◆ IEEEFloat

Definition at line 1199 of file APFloat.h.


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