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Determine of data type contains specific class


output = H5T.detect_class(type_id,class_id)


output = H5T.detect_class(type_id,class_id) returns a positive value if the data type specified in type_id contains any data types of the data type class specified in class_id, or zero to indicate that it does not. A negative value indicates failure.


fid ='example.h5');
dset_id =,'/g3/vlen');
type_id = H5D.get_type(dset_id);
has_double = H5T.detect_class(type_id,'H5T_FLOAT');

See Also