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function s = GB_spec_type (X)
%GB_SPEC_TYPE determine the class of a MATLAB matrix
% s = GB_spec_type (X) determines the class of X. It is identical to s =
% class(X), except when X is a complex matrix. In this case the string
% 'complex' is appended to the result of class (X). If X is a single and
% iscomplex (X) is true, then s is 'single complex', and if X double, s is
% 'double complex'. Complex integer matrices result in 'int8 complex' (for
% example), although GraphBLAS does not currently handle those.
%
% For a MATLAB matrix X, GB_spec_type (X) and GrB.type (X) are identical.
%
% See also GrB.type.
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights Reserved.
% http://suitesparse.com See GraphBLAS/Doc/License.txt for license.
s = class (X) ;
if (~isreal (X))
s = [s ' complex'] ;
end
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