* zeta(n,x) is now zetaderiv(n,s)

[ginac.git] / ginac / inifcns_zeta.cpp

diff --git a/ginac/inifcns_zeta.cpp b/ginac/inifcns_zeta.cpp
deleted file mode 100644 (file)
index 2dba976..0000000
--- a/ginac/inifcns_zeta.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-/** @file inifcns_zeta.cpp
- *
- *  Implementation of the Zeta-function and some related stuff. */
-
-/*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <vector>
-#include <stdexcept>
-
-#include "inifcns.h"
-#include "constant.h"
-#include "numeric.h"
-#include "power.h"
-#include "symbol.h"
-#include "operators.h"
-#include "utils.h"
-
-namespace GiNaC {
-
-//////////
-// Derivatives of Riemann's Zeta-function  zeta(0,x)==zeta(x)
-//////////
-
-static ex zeta2_eval(const ex & n, const ex & x)
-{
-       if (n.info(info_flags::numeric)) {
-               // zeta(0,x) -> zeta(x)
-               if (n.is_zero())
-                       return zeta(x);
-       }
-       
-       return zeta(n, x).hold();
-}
-
-static ex zeta2_deriv(const ex & n, const ex & x, unsigned deriv_param)
-{
-       GINAC_ASSERT(deriv_param<2);
-       
-       if (deriv_param==0) {
-               // d/dn zeta(n,x)
-               throw(std::logic_error("cannot diff zeta(n,x) with respect to n"));
-       }
-       // d/dx psi(n,x)
-       return zeta(n+1,x);
-}
-
-unsigned zeta2_SERIAL::serial =
-       function::register_new(function_options("zeta").
-                              eval_func(zeta2_eval).
-                              derivative_func(zeta2_deriv).
-                              latex_name("\\zeta").
-                              overloaded(2));
-
-} // namespace GiNaC