File: gb_max1.m

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function C = gb_max1 (op, A)
%GB_MAX1 single-input max
% Implements C = max (A)

% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0

[m, n] = gbsize (A) ;
if (m == 1 || n == 1)
    % C = max (A) for a vector A results in a scalar C
    C = gb_maxall (op, A) ;
else
    C = gb_maxbycol (op, A) ;
end