complex.c (f_divide): canonicalize a quotient

Cannonicalize resultant real and imaginary parts when complex number
divided by non-complex number.

[Fix GH-2065] [Bug #15505] [ruby-core:90891]

From: Joe Peric <peric.joe@gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 4 deletions

diff --git a/complex.c b/complex.c
index 8c7f007b44..6c94f9a764 100644
--- a/complex.c
+++ b/complex.c
@@ -843,10 +843,11 @@ f_divide(VALUE self, VALUE other,
     }
     if (k_numeric_p(other) && f_real_p(other)) {
 	get_dat1(self);
-
-	return f_complex_new2(CLASS_OF(self),
-			      (*func)(dat->real, other),
-			      (*func)(dat->imag, other));
+        return f_complex_new2(CLASS_OF(self),
+                              rb_rational_canonicalize(
+                                  (*func)(dat->real, other)),
+                              rb_rational_canonicalize(
+                                  (*func)(dat->imag, other)));
     }
     return rb_num_coerce_bin(self, other, id);
 }