%ISINF  True for infinite elements.
%   ISINF(X) returns an array that contains 1's where the
%   elements of X are +Inf or -Inf and 0's where they are not.
%   For example, ISINF([pi NaN Inf -Inf]) is [0 0 1 1].
%
%   See also ISFINITE, ISNAN.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 5.6 $  $Date: 1997/11/21 23:29:03 $
%   Built-in function.
