RAD Studio VCL Reference
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System.Abs Function
System | Description
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Returns an absolute value.

Pascal
procedure Abs(X);
C++
Abs( X);
File
Description

Abs returns the absolute value of the argument, X. 

X is an integer-type or real-type expression.  

Delphi Examples: 

 

Copy Code
{
This example converts negative floating point numbers and
integers to postive.
}
procedure TForm1.Button1Click(Sender: TObject);
begin
  Edit1.Text := '-2.3';
  Edit3.Text := FloatToStr(Abs(StrToFloat(Edit1.Text)));    { 2.3 }
  Edit2.Text := '-157';
  Edit4.Text := IntToStr(Abs(StrToInt(Edit2.Text)));    { 157 }
end;

 

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