From 0c64e51f9d4fef0cf895795fe9c04066dfc807e5 Mon Sep 17 00:00:00 2001
From: enge <enge@211d60ee-9f03-0410-a15a-8952a2c7a4e4>
Date: Mon, 27 Aug 2012 09:49:26 +0000
Subject: TODO: added entry

git-svn-id: svn://scm.gforge.inria.fr/svn/mpc/trunk@1252 211d60ee-9f03-0410-a15a-8952a2c7a4e4
---
 TODO | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'TODO')

diff --git a/TODO b/TODO
index cb05aa4..f6e5622 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,8 @@
+From Andreas Enge 27 August 2012:
+Implement im(atan(x+i*y)) as
+1/4 * [log1p (4y / (x^2 +(1-y)^2))]
+(see http://lists.gforge.inria.fr/pipermail/mpc-discuss/2012-August/001196.html)
+
 From Andreas Enge 23 July 2012:
 go through tests and move them to the data files if possible
 (see, for instance, tcos.c)
-- 
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