From ef8537bc9e0ec9cc4e711e17155e2ade272dfa1f Mon Sep 17 00:00:00 2001
From: gogotanaka <gogotanaka@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 15 Mar 2015 11:49:30 +0000
Subject: * math.c (math_cbrt): [DOC] Fix domain and codomain.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49973 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 math.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'math.c')

diff --git a/math.c b/math.c
index a41fdb5b54..64b38741db 100644
--- a/math.c
+++ b/math.c
@@ -658,9 +658,9 @@ math_sqrt(VALUE obj, VALUE x)
  *
  *  Returns the cube root of +x+.
  *
- *  Domain: [0, INFINITY)
+ *  Domain: (-INFINITY, INFINITY)
  *
- *  Codomain:[0, INFINITY)
+ *  Codomain: (-INFINITY, INFINITY)
  *
  *    -9.upto(9) {|x|
  *      p [x, Math.cbrt(x), Math.cbrt(x)**3]
-- 
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