intpower

Return integer power.

Declaration

Source position: math.pp line 312

function intpower(

base: float;

const exponent: Integer

):float;

Description

Intpower returns base to the power exponent, where exponent is an integer value.

Errors

If base is zero and the exponent is negative, then an overflow error will occur.

Example

Program Example18;

{ Program to demonstrate the intpower function. }

Uses math;

Procedure DoIntpower (X : extended; Pow : Integer);

begin
  writeln(X:8:4,'^',Pow:2,' = ',intpower(X,pow):8:4);
end;

begin
  dointpower(0.0,0);
  dointpower(1.0,0);
  dointpower(2.0,5);
  dointpower(4.0,3);
  dointpower(2.0,-1);
  dointpower(2.0,-2);
  dointpower(-2.0,4);
  dointpower(-4.0,3);
end.

Notes