/* Return the number of terms in the expression.  */
int cr_term_nr_values(CRTerm *a_this)
/* Return the number of terms in the expression.  */
int cr_term_nr_values(CRTerm *a_this)
{
	CRTerm *cur = NULL ;
	int nr = 0;
	g_return_val_if_fail (a_this, -1) ;
	for (cur = a_this ; cur ; cur = cur->next)
		nr ++;
	return nr;
}