function gbtest35
%GBTEST35 test reshape (built-in variant)

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

rng ('default')

for m = 0:6
    for n = 0:10
        for kind = [0 1]
            if (kind == 0)
                A = rand (m, n) ;
            else
                A = sprand (m, n, 0.3) ;
            end
            G = GrB (A) ;
            mn = m*n ;
            if (mn == 0)
                C1 = reshape (A, n, m) ;
                C2 = reshape (G, n, m) ;
                assert (gbtest_eq (C1, C2)) ;
            else
                f = factor (mn) ;
                for k = 1:length (f)
                    S = nchoosek (f, k) ;
                    for i = 1:size(S,1)
                        m2 = prod (S (i,:)) ;
                        n2 = mn / m2 ;
                        C1 = reshape (A, m2, n2) ;
                        C2 = reshape (G, m2, n2) ;
                        assert (gbtest_eq (C1, C2)) ;
                        C1 = reshape (A, [m2 n2]) ;
                        C2 = reshape (G, [m2 n2]) ;
                        assert (gbtest_eq (C1, C2)) ;
                    end
                end
            end
        end
    end
end

fprintf ('gbtest35: all tests passed\n') ;
