ObjectPascal
Trunc
Function
The integer part of a floating point number System unit
 function Trunc ( const Number : Extended ) : Integer;
Description
The Trunc function returns the integer part of a floating point number.
 
It returns this part as an Integer value.
Notes
The Int function does the same, but returns the integer in a floating point value.
Related commands
Frac The fractional part of a floating point number
Int The integer part of a floating point number as a float
Round Rounds a floating point number to an integer
 
Example code : A simple example
begin
  WriteLn('Round(12.75) = '+IntToStr(Round(12.75)));
  WriteLn('Trunc(12.75) = '+IntToStr(Trunc(12.75)));
  WriteLn('  Int(12.75) = '+FloatToStr(Int(12.75)));
  WriteLn(' Frac(12.75) = '+FloatToStr(Frac(12.75)));
end;
Show full unit code
   Round(12.75) = 13
   Trunc(12.75) = 12
     Int(12.75) = 12
   Frac(12.75) = 0.75