From 7a6ebecf9ea5d00ccde2d78d45d35aaff3866845 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 4 May 2014 01:23:01 +0000
Subject: math.c: C99-like atan2

* math.c (math_atan2): return values like as expected by C99 if
  both two arguments are infinity.  based on the patch by cremno
  phobia <cremno AT mail.ru> in [ruby-core:62310].  [Feature #9799]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45805 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 1 +
 1 file changed, 1 insertion(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index 1258daac42..57bb40086a 100644
--- a/configure.in
+++ b/configure.in
@@ -1941,6 +1941,7 @@ AC_CHECK_FUNCS(__syscall)
 AC_CHECK_FUNCS(_longjmp)		# used for AC_ARG_WITH(setjmp-type)
 AC_CHECK_FUNCS(_setjmp)			# used for AC_ARG_WITH(setjmp-type)
 AC_CHECK_FUNCS(_setjmpex)		# used for AC_ARG_WITH(setjmp-type)
+AC_CHECK_FUNCS(atan2l atan2f)
 AC_CHECK_FUNCS(chroot)
 AC_CHECK_FUNCS(chsize)
 AC_CHECK_FUNCS(clock_gettime)
-- 
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