%ISTRIU  Determine whether a gpuArray matrix is upper triangular.
%   ISTRIU(X)
%   
%   Example:
%    
%      X = gpuArray(triu(magic(1000)));
%      istriu(X)
%   
%   See also ISTRIU, TRIU, MAGIC, GPUARRAY.
%   


%   Copyright 2014 The MathWorks, Inc.

