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function C = gbtest_cast (A, type)
%GBTEST_CAST cast a built-in matrix to another type.
% C = gbtest_cast (A, type) is identical to C = cast (A, type) when type
% is a valid built-in class ('logical', 'int8', 'int16', 'int32', 'int64',
% 'uint8', 'uint16', 'uint32', 'uint64', 'single', 'double'). Otherwise,
% A is converted to a single complex or double complex matrix C.
%
% A must be a full built-in matrix (not sparse). C is a full built-in matrix.
% To cast any matrix to a GraphBLAS matrix instead, use C = GrB (A, type).
%
% See also cast.
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
if (issparse (A))
error ('A must be full') ;
end
if (isa (A, 'GrB'))
error ('A must be a built-in matrix') ;
end
if (gb_contains (type, 'complex'))
if (gb_contains (type, 'single'))
C = complex (single (A)) ;
else
C = complex (double (A)) ;
end
else
C = cast (A, type) ;
end
assert (~issparse (C)) ;
assert (~isa (C, 'GrB')) ;
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