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Ldexp

Return (2 to the power p) times x.

Declaration

Source position: math.pp line 727

function Ldexp(X: single; p: Integer) : single;
function Ldexp(X: Double; p: Integer) : Double;
function Ldexp(X: extended; p: Integer) : extended;

Description

Ldexp returns (2 to the power p) times x.

Errors

None.

See also

Name Description
lnxp1 Return natural logarithm of 1+X.
log10 Return 10-Based logarithm.
log2 Return 2-based logarithm.
logn Return N-based logarithm.

Example

Program Example19;

{ Program to demonstrate the ldexp function. }

Uses math;

begin
  writeln(ldexp(2,4):8:4);
  writeln(ldexp(0.5,3):8:4);
end.