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.