%ISLABTYPE Test dataset label type%%   N = ISLABTYPE(A,TYPE)%   N = ISLABTYPE(A,TYPE1,TYPE2)%   ISLABTYPE(A,TYPE)% 	ISLABTYPE(A,TYPE1,TYPE2)%% INPUT%   A      Dataset%   TYPEx  Label type: 'crisp', 'soft', 'target'%% OUTPUT%   N      1 if A has label type TYPE, or labeltype TYPE1 _or_ TYPE2;%            0 otherwise%% DESCRIPTION% If this routine is called without any output arguments an error is% generated if the label type is not equal to one of the supplied ones.% (i.e. it acts as an assertion).