From 77c6f25fcf9c87ec101bdd645244ca24777534e2 Mon Sep 17 00:00:00 2001
From: "Vladimir V. Kisil" <V.Kisilv@leeds.ac.uk>
Date: Sat, 5 Feb 2022 12:41:25 +0000
Subject: [PATCH] Fix a typo in documentation of series_to_poly.

Signed-off-by: Vladimir V. Kisil <V.Kisilv@leeds.ac.uk>
---
 doc/tutorial/ginac.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index fda70841..c97da742 100644
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -5700,7 +5700,7 @@ using namespace GiNaC;
 ex machin_pi(int degr)
 @{
     symbol x;
-    ex pi_expansion = series_to_poly(atan(x).series(x,degr));
+    ex pi_expansion = series_to_poly(atan(x).series(x==0,degr));
     ex pi_approx = 16*pi_expansion.subs(x==numeric(1,5))
                    -4*pi_expansion.subs(x==numeric(1,239));
     return pi_approx;
-- 
2.34.1

