- A Note Regarding Supplemental Files
- Preface
- 1. Delphi Pascal
- 2. The Delphi Object Model
- 3. Runtime Type Information
- 4. Concurrent Programming
- 5. Language Reference
- Abs Function
- Absolute Directive
- Abstract Directive
- AbstractErrorProc Variable
- AddModuleUnloadProc Procedure
- Addr Function
- AllocMemCount Variable
- AllocMemSize Variable
- And Keyword
- AnsiChar Type
- AnsiString Type
- Append Procedure
- ArcTan Function
- Array Keyword
- As Keyword
- Asm Keyword
- Assembler Directive
- Assert Procedure
- AssertErrorProc Variable
- Assign Procedure
- Assigned Function
- AssignFile Procedure
- At Directive
- Automated Directive
- Begin Keyword
- BeginThread Function
- BlockRead Procedure
- BlockWrite Procedure
- Boolean Type
- Break Procedure
- Byte Type
- ByteBool Type
- Cardinal Type
- Case Keyword
- CDecl Directive
- ChangeAnyProc Variable
- Char Type
- ChDir Procedure
- Chr Function
- Class Keyword
- ClearAnyProc Variable
- Close Procedure
- CloseFile Procedure
- CmdLine Variable
- CmdShow Variable
- Comp Type
- CompToCurrency Function
- CompToDouble Function
- Concat Function
- Const Keyword
- Constructor Keyword
- Contains Directive
- Continue Procedure
- Copy Function
- Cos Function
- Currency Type
- CurrencyToComp Procedure
- DataMark Variable
- DebugHook Variable
- Dec Procedure
- Default Directive
- Default8087CW Variable
- Delete Procedure
- Destructor Keyword
- DispCallByIDProc Variable
- Dispid Directive
- Dispinterface Keyword
- Dispose Procedure
- Div Keyword
- DllProc Variable
- Do Keyword
- Double Type
- DoubleToComp Procedure
- Downto Keyword
- Dynamic Directive
- Else Keyword
- EmptyParam Variable
- End Keyword
- EnumModules Procedure
- EnumResourceModules Procedure
- Eof Function
- Eoln Function
- Erase Procedure
- ErrorAddr Variable
- ErrorProc Variable
- Except Keyword
- ExceptClsProc Variable
- ExceptionClass Variable
- ExceptObjProc Variable
- ExceptProc Variable
- Exclude Procedure
- Exit Procedure
- ExitCode Variable
- ExitProc Variable
- Exp Function
- Export Directive
- Exports Keyword
- Extended Type
- External Directive
- Far Directive
- File Keyword
- FileMode Variable
- FilePos Function
- FileSize Function
- FillChar Procedure
- Finalization Keyword
- Finalize Procedure
- Finally Keyword
- FindClassHInstance Function
- FindHInstance Function
- FindResourceHInstance Function
- Flush Procedure
- For Keyword
- Forward Directive
- Frac Function
- FreeMem Procedure
- FreeMemory Function
- Function Keyword
- GetDir Function
- GetHeapStatus Function
- GetMem Procedure
- GetMemory Function
- GetMemoryManager Procedure
- GetPackageInfoTable Type
- Goto Keyword
- Halt Procedure
- HeapAllocFlags Variable
- Hi Function
- High Function
- HInstance Variable
- HPrevInst Variable
- HResult Type
- IDispatch Interface
- If Keyword
- Implementation Keyword
- Implements Directive
- In Keyword
- Inc Procedure
- Include Procedure
- Index Directive
- Inherited Keyword
- Initialization Keyword
- Initialize Procedure
- InitProc Variable
- Inline Keyword
- Input Variable
- Insert Procedure
- Int Function
- Int64 Type
- Integer Type
- Interface Keyword
- IOResult Function
- Is Keyword
- IsConsole Variable
- IsLibrary Variable
- IsMemoryManagerSet Function
- IsMultiThread Variable
- IUnknown Interface
- JITEnable Variable
- Label Keyword
- Length Function
- LibModuleList Variable
- Library Keyword
- Ln Function
- Lo Function
- LoadResourceModule Function
- LoadResString Function
- LongBool Type
- LongInt Type
- LongWord Type
- Low Function
- MainInstance Variable
- MainThreadID Variable
- MaxInt Constant
- MaxLongInt Constant
- Message Directive
- MkDir Procedure
- Mod Keyword
- ModuleIsCpp Variable
- ModuleIsLib Variable
- ModuleIsPackage Variable
- ModuleUnloadList Variable
- Move Procedure
- Name Directive
- Near Directive
- New Procedure
- Nil Keyword
- Nodefault Directive
- NoErrMsg Variable
- Not Keyword
- Null Variable
- Object Keyword
- Odd Function
- Of Keyword
- OleStrToString Function
- OleStrToStrVar Procedure
- OleVariant Type
- On Directive
- OpenString Type
- Or Keyword
- Ord Function
- Out Directive
- Output Variable
- Overload Directive
- Override Directive
- Package Directive
- PackageInfo Type
- PackageInfoTable Type
- PackageUnitEntry Type
- Packed Keyword
- PAnsiChar Type
- PAnsiString Type
- ParamCount Function
- ParamStr Function
- Pascal Directive
- PChar Type
- PCurrency Type
- PDateTime Type
- PExtended Type
- PGUID Type
- Pi Function
- PInt64 Type
- PInterfaceEntry Type
- PInterfaceTable Type
- PLibModule Type
- PMemoryManager Type
- PModuleUnloadRec Type
- Pointer Type
- POleVariant Type
- Pos Function
- Pred Function
- PResStringRec Type
- Private Directive
- Procedure Keyword
- Program Keyword
- Property Keyword
- Protected Directive
- PShortString Type
- PString Type
- Ptr Function
- Public Directive
- Published Directive
- PUnitEntryTable Type
- PVarArray Type
- PVarData Type
- PVariant Type
- PVarRec Type
- PWideChar Type
- PWideString Type
- Raise Keyword
- RaiseList Function
- Random Function
- Randomize Procedure
- RandSeed Variable
- Read Directive
- Read Procedure
- ReadLn Procedure
- Readonly Directive
- Real Type
- Real48 Type
- ReallocMem Procedure
- ReallocMemory Function
- Record Keyword
- RefAnyProc Variable
- Register Directive
- Register Procedure
- RegisterModule Procedure
- Reintroduce Directive
- RemoveModuleUnloadProc Procedure
- Rename Procedure
- Repeat Keyword
- Requires Directive
- Reset Procedure
- Resident Directive
- Resourcestring Keyword
- Result Variable
- Rewrite Procedure
- RmDir Procedure
- Round Function
- RunError Procedure
- SafeCall Directive
- SafeCallErrorProc Variable
- Seek Procedure
- SeekEof Function
- SeekEoln Function
- Self Variable
- Set Keyword
- Set8087CW Procedure
- SetInOutRes Procedure
- SetLength Procedure
- SetMemoryManager Procedure
- SetRaiseList Function
- SetString Procedure
- SetTextBuf Procedure
- Shl Keyword
- ShortInt Type
- ShortString Type
- Shr Keyword
- Sin Function
- Single Type
- SizeOf Function
- Slice Function
- SmallInt Type
- Sqr Function
- Sqrt Function
- StdCall Directive
- Stored Directive
- Str Procedure
- String Keyword
- StringOfChar Function
- StringToOleStr Function
- StringToWideChar Function
- Succ Function
- Swap Function
- SysFreeMem Function
- SysGetMem Function
- SysReallocMem Function
- TClass Type
- TDateTime Type
- TEnumModuleFuncLW Type
- Test8086 Variable
- Test8087 Variable
- TestFDIV Variable
- Text Type
- TextFile Type
- TGUID Type
- THeapStatus Type
- Then Keyword
- Threadvar Keyword
- TInterfacedClass Type
- TInterfacedObject Type
- TInterfaceEntry Type
- TInterfaceTable Type
- TLibModule Type
- TlsIndex Variable
- TlsLast Variable
- TMemoryManager Type
- TModuleUnloadProcLW Type
- TModuleUnloadRec Type
- To Keyword
- TObject Type
- TResStringRec Type
- Trunc Function
- Truncate Procedure
- Try Keyword
- TThreadFunc Type
- TVarArray Type
- TVarArrayBound Type
- TVarData Type
- TVarRec Type
- Type Keyword
- TypeInfo Function
- Unassigned Variable
- UniqueString Procedure
- Unit Keyword
- UnitEntryTable Type
- UnregisterModule Procedure
- Until Keyword
- UpCase Function
- Uses Keyword
- Val Procedure
- Var Keyword
- VarArrayCreate Function
- VarArrayDimCount Function
- VarArrayHighBound Function
- VarArrayLock Function
- VarArrayLowBound Function
- VarArrayOf Function
- VarArrayRedim Procedure
- VarArrayRef Function
- VarArrayUnlock Procedure
- VarAsType Function
- VarCast Procedure
- VarClear Procedure
- VarCopy Procedure
- VarDispProc Variable
- VarFromDateTime Function
- Variant Type
- VarIsArray Function
- VarIsEmpty Function
- VarIsNull Function
- VarToDateTime Function
- VarToStr Function
- VarType Function
- Virtual Directive
- While Keyword
- WideChar Type
- WideCharLenToString Function
- WideCharLenToStrVar Procedure
- WideCharToString Function
- WideCharToStrVar Procedure
- WideString Type
- With Keyword
- Word Type
- WordBool Type
- Write Directive
- Write Procedure
- WriteLn Procedure
- Writeonly Directive
- Xor Keyword
- 6. System Constants
- 7. Operators
- 8. Compiler Directives
- $A Compiler Directive
- $Align Compiler Directive
- $AppType Compiler Directive
- $Assertions Compiler Directive
- $B Compiler Directive
- $BoolEval Compiler Directive
- $C Compiler Directive
- $D Compiler Directive
- $DebugInfo Compiler Directive
- $Define Compiler Directive
- $DefinitionInfo Compiler Directive
- $DenyPackageUnit Compiler Directive
- $Description Compiler Directive
- $DesignOnly Compiler Directive
- $E Compiler Directive
- $Else Compiler Directive
- $EndIf Compiler Directive
- $ExtendedSyntax Compiler Directive
- $ExternalSym Compiler Directive
- $G Compiler Directive
- $H Compiler Directive
- $Hints Compiler Directive
- $HppEmit Compiler Directive
- $I Compiler Directive
- $IfDef Compiler Directive
- $IfNDef Compiler Directive
- $IfOpt Compiler Directive
- $ImageBase Compiler Directive
- $ImplicitBuild Compiler Directive
- $ImportedData Compiler Directive
- $Include Compiler Directive
- $IOChecks Compiler Directive
- $J Compiler Directive
- $L Compiler Directive
- $Link Compiler Directive
- $LocalSymbols Compiler Directive
- $LongStrings Compiler Directive
- $M Compiler Directive
- $MaxStackSize Compiler Directive
- $MinEnumSize Compiler Directive
- $MinStackSize Compiler Directive
- $NoDefine Compiler Directive
- $NoInclude Compiler Directive
- $O Compiler Directive
- $ObjExportAll Compiler Directive
- $OpenStrings Compiler Directive
- $Optimization Compiler Directive
- $OverflowChecks Compiler Directive
- $P Compiler Directive
- $Q Compiler Directive
- $R Compiler Directive
- $RangeChecks Compiler Directive
- $RealCompatibility Compiler Directive
- $ReferenceInfo Compiler Directive
- $Resource Compiler Directive
- $RunOnly Compiler Directive
- $SafeDivide Compiler Directive
- $StackFrames Compiler Directive
- $T Compiler Directive
- $TypedAddress Compiler Directive
- $TypeInfo Compiler Directive
- $U
- $Undef Compiler Directive
- $V Compiler Directive
- $VarStringChecks Compiler Directive
- $W Compiler Directive
- $Warnings Compiler Directive
- $WeakPackageUnit Compiler Directive
- $WriteableConst Compiler Directive
- $X Compiler Directive
- $Y Compiler Directive
- $Z Compiler Directive
- A. Command-Line Tools
- B. The SysUtils Unit
- Index
- About the Author
- Copyright
Name
TestFDIV Variable
Description
The TestFDIV
variable tells whether the
floating-point processor has a correct implementation of the FDIV
instruction.
If you use the $U or
$SafeDivide compiler directive, all floating-point
division operations call a function that tests the floating-point
processor for the infamous Pentium FDIV bug. If the bug is present,
future divisions will be performed by a software subroutine that
gives the correct answer. If the bug is not present, future divisions
will be performed by the floating-point hardware.
The TestFDIV variable contains one of the
following values:
- -1
The processor is flawed and will be bypassed.
- 0
The processor has not yet been tested.
- 1
The processor has been tested and is correct.
-
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