ISSTACKED

Test on stacked mapping

    N = ISSTACKED(W)
    ISSTACKED(W)

Input
W	Mapping

Output
N	Scalar, 1 if W is a stacked mapping, 0 otherwise

Description

Returns 1 for stacked mappings. If no output is requested, false outputs  are turned into errors. This may be used for assertion.

See also

ismapping, isparallel,