2007-07-27  Emmanuele Somma  <emmanuele.somma@bancaditalia.it>

	* tests/@test_base/test_TSMATCheck.m (test_TSMATCheck): added test

	* TSMATCheckArithm.m (TSMATCheckArithm): Now if one arg is a
	double the other must be a tsmat. New error messages, caption and
	docs

