2013-02-08  Edward Smith-Rowland  <3dw4rd@verizon.net>

	PR libstdc++/56216
	* include/tr1/special_function_util.h: Remove spurious const
	from numeric arguments.
	* include/tr1/riemann_zeta.tcc: Ditto.
	* include/tr1/exp_integral.tcc: Ditto.
	* include/tr1/bessel_function.tcc: Ditto.
	* include/tr1/hypergeometric.tcc: Ditto.
	* include/tr1/modified_bessel_func.tcc: Ditto.
	* include/tr1/poly_laguerre.tcc: Ditto.
	* include/tr1/gamma.tcc: Ditto.
	* include/tr1/legendre_function.tcc: Ditto.
	* include/tr1/poly_hermite.tcc: Ditto.
	* include/tr1/ell_integral.tcc: Ditto.
	* include/tr1/bessel_function.tcc (__cyl_bessel_ij_series):
	If argument is zero return function value.
	* testsuite/tr1/5_numerical_facilities/special_functions/08_cyl_bessel_i/pr56216.cc:
	New file.