/** Riemann's Zeta-function. */
DECLARE_FUNCTION_1P(zeta)
-DECLARE_FUNCTION_2P(zeta)
-
+//DECLARE_FUNCTION_2P(zeta)
+
/** Gamma-function. */
DECLARE_FUNCTION_1P(gamma)
/** Psi-function (aka polygamma-function). */
-DECLARE_FUNCTION_1P(psi)
+//DECLARE_FUNCTION_1P(psi)
DECLARE_FUNCTION_2P(psi)
/** Factorial function. */