X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Finifcns_zeta.cpp;h=7a8b089aa11131876f2d528dbd1f86c7a73cfe6f;hp=63637374dfb8d4590a1f8d360aee94d0e56e83a0;hb=5184d67c0ec1056ac039419e08558632793a4e2c;hpb=b2613f4b583961c3b3fe46dc6ddd2bd1f1b2684c

diff --git a/ginac/inifcns_zeta.cpp b/ginac/inifcns_zeta.cpp
index 63637374..7a8b089a 100644
--- a/ginac/inifcns_zeta.cpp
+++ b/ginac/inifcns_zeta.cpp
@@ -81,7 +81,12 @@ static ex zeta1_deriv(const ex & x, unsigned deriv_param)
     return zeta(_ex1(), x);
 }
 
-const unsigned function_index_zeta1 = function::register_new("zeta", zeta1_eval, zeta1_evalf, zeta1_deriv, NULL);
+const unsigned function_index_zeta1 =
+    function::register_new(function_options("zeta").
+                           eval_func(zeta1_eval).
+                           evalf_func(zeta1_evalf).
+			   derivative_func(zeta1_deriv).
+			   overloaded(2));
 
 //////////
 // Derivatives of Riemann's Zeta-function  zeta(0,x)==zeta(x)
@@ -110,7 +115,11 @@ static ex zeta2_deriv(const ex & n, const ex & x, unsigned deriv_param)
     return zeta(n+1,x);
 }
 
-const unsigned function_index_zeta2 = function::register_new("zeta", zeta2_eval, NULL, zeta2_deriv, NULL);
+const unsigned function_index_zeta2 =
+    function::register_new(function_options("zeta").
+                           eval_func(zeta2_eval).
+			   derivative_func(zeta2_deriv).
+			   overloaded(2));
 
 #ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC