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    %EXPM1  Compute EXP(X)-1 accurately.
%    EXPM1(X) computes EXP(X)-1, compensating for the roundoff in EXP(X).
%
%    For small real X, EXPM1(X) should be approximately X, whereas the
%    computed value of EXP(X)-1 can be zero or have high relative error.
%
%    See also EXP, LOG1P.

%   Copyright 1984-2011 The MathWorks, Inc.
%   Built-in function.