Internal verbose print function

        Parameters
        ----------
        desc : InitDesc or str
            name of the array
        init : str
            initializer pattern
        arr : NDArray
            initialized array

def _verbose_print(self, desc, init, arr):
        """Internal verbose print function

        Parameters
        ----------
        desc : InitDesc or str
            name of the array
        init : str
            initializer pattern
        arr : NDArray
            initialized array
        """
        if self._verbose and self._print_func:
            logging.info('Initialized %s as %s: %s', desc, init, self._print_func(arr))