round

Round floating point value to nearest integer number.

Declaration

Source position: mathh.inc line 98

Description

Round rounds X to the closest integer, which may be bigger or smaller than X.

In the case of .5, the algorithm uses "banker's rounding": .5 values are always rounded towards the even number.

Errors

None.

See also

Example

Program Example54;

{ Program to demonstrate the Round function. }

begin
  Writeln (Round(1234.56));  { Prints 1235     }
  Writeln (Round(-1234.56)); { Prints -1235    }
  Writeln (Round(12.3456));  { Prints 12       }
  Writeln (Round(-12.3456)); { Prints -12      }
  Writeln (Round(2.5));      { Prints 2 (down) }
  Writeln (Round(3.5));      { Prints 4 (up)   }
    
end.