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function s = isfull (A)
%GRB.ISFULL determine if all entries are present.
% For either a GraphBLAS or built-in matrix, GrB.isfull (A) is true if
% numel(A) == nnz(A). GrB.isfull (A) is always true if A is a GraphBLAS
% or built-in full matrix.
%
% See also GrB/issparse, GrB/full.
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
if (isobject (A))
% GraphBLAS matrix
A = A.opaque ;
s = gb_isfull (A) ;
elseif (issparse (A))
% built-in sparse matrix
s = (numel (A) == nnz (A)) ;
else
% built-in full matrix, string, struct, etc
s = true ;
end
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