From 759833538095fcd3096bb8dd8a5391688537f8b0 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 9 Feb 2008 09:36:03 +0000
Subject: * math.c (math_cbrt): new method Math.cbrt.

* configure.in (cbrt): check for replacement functions.

* missing/cbrt.c: new file.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@15416 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 missing/cbrt.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 missing/cbrt.c

(limited to 'missing')

diff --git a/missing/cbrt.c b/missing/cbrt.c
new file mode 100644
index 000000000..54db2703a
--- /dev/null
+++ b/missing/cbrt.c
@@ -0,0 +1,10 @@
+#include <math.h>
+
+double cbrt(double x)
+{
+    if (x < 0)
+        return -pow(-x, 1/3.0);
+    else
+        return pow(x, 1/3.0);
+}
+
-- 
cgit