| Description |
The Trunc function returns the integer part of a floating point number.
It returns this part as an Integer value.
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| Notes |
The Int function does the same, but returns the integer in a floating point value.
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| Related commands |
| Frac |
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The fractional part of a floating point number |
| Int |
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The integer part of a floating point number as a float |
| Round |
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Rounds a floating point number to an integer |
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| Example code : A simple example |
// Full Unit code.
// -----------------------------------------------------------
// You must store this code in a unit called Unit1 with a form
// called Form1 that has an OnCreate event called FormCreate.
unit Unit1;
interface
uses
// The System unit does not need to be defined
SysUtils,
Forms, Dialogs;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm} // Include form definitions
procedure TForm1.FormCreate(Sender: TObject);
begin
ShowMessage('Round(12.75) = '+IntToStr(Round(12.75)));
ShowMessage('Trunc(12.75) = '+IntToStr(Trunc(12.75)));
ShowMessage(' Int(12.75) = '+FloatToStr(Int(12.75)));
ShowMessage(' Frac(12.75) = '+FloatToStr(Frac(12.75)));
end;
end.
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| Hide full unit code |
Round(12.75) = 13
Trunc(12.75) = 12
Int(12.75) = 12
Frac(12.75) = 0.75
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