From 2d47bf629f711cf5e0c2084225e9573fc8007db5 Mon Sep 17 00:00:00 2001 From: hsbt Date: Sun, 18 Jan 2015 09:32:26 +0000 Subject: [PATCH] * math.c (math_atan2): revive documentation before r49220. http://d.hatena.ne.jp/nagachika/20150112/ruby_trunk_changes_49213_49226 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 5 +++++ math.c | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index 03df9e9893..6ca1e67279 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Sun Jan 18 18:32:20 2015 SHIBATA Hiroshi + + * math.c (math_atan2): revive documentation before r49220. + http://d.hatena.ne.jp/nagachika/20150112/ruby_trunk_changes_49213_49226 + Sun Jan 18 15:57:32 2015 Seiei Higa * vm_method.c (check_definition): Module#public_method_defined?, diff --git a/math.c b/math.c index 20b3e77cee..7c18f07181 100644 --- a/math.c +++ b/math.c @@ -37,7 +37,9 @@ VALUE rb_eMathDomainError; * call-seq: * Math.atan2(y, x) -> Float * - * Returns a angle in radians between the positive x-axis of cartesian plane + * Computes the arc tangent given +y+ and +x+. + * Returns a Float in the range -PI..PI. Return value is a angle + * in radians between the positive x-axis of cartesian plane * and the point given by the coordinates (+x+, +y+) on it. * * Domain: (-INFINITY, INFINITY)