Power

Return real power.

Declaration

Source position: math.pp line 397

  function Power(base: Float; exponent: Float) : Float;

Description

power raises base to the power power. This is equivalent to exp(power*ln(base)). Therefore base should be non-negative.

Errors

Any number of floating point math exceptions may be raised, if they are not masked by SetExceptionMask .

See also

Name Description
intpower Return integer power.

Example

Program Example34;
{ Program to demonstrate the power function. }
Uses Math;
procedure dopower(x,y : float);
begin
  writeln(x:8:6,'^',y:8:6,' = ',power(x,y):8:6)
end;
begin
  dopower(2,2);
  dopower(2,-2);
  dopower(2,0.0);
end.