nobu	2008-06-21 16:21:10 +0900 (Sat, 21 Jun 2008)

  New Revision: 17498

  Modified files:
    trunk/ChangeLog
    trunk/numeric.c

  Log:
    * numeric.c (flo_round): get rid of overflow.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/numeric.c?r1=17498&r2=17497&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=17498&r2=17497&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 17497)
+++ ChangeLog	(revision 17498)
@@ -1,3 +1,7 @@
+Sat Jun 21 16:21:07 2008  Nobuyoshi Nakada  <nobu@r...>
+
+	* numeric.c (flo_round): get rid of overflow.
+
 Sat Jun 21 15:57:15 2008  Nobuyoshi Nakada  <nobu@r...>
 
 	* lib/rdoc/parsers/parse_rb.rb (RDoc#collect_first_comment): skip
Index: numeric.c
===================================================================
--- numeric.c	(revision 17497)
+++ numeric.c	(revision 17498)
@@ -1299,11 +1299,16 @@
     while  (--i >= 0)
 	f = f*10.0;
 
-    if (ndigits < 0) number /= f;
-    else number *= f;
-    number = round(number);
-    if (ndigits < 0) number *= f;
-    else number /= f;
+    if (isinf(f)) {
+	if (ndigits < 0) number = 0;
+    }
+    else {
+	if (ndigits < 0) number /= f;
+	else number *= f;
+	number = round(number);
+	if (ndigits < 0) number *= f;
+	else number /= f;
+    }
 
     if (ndigits > 0) return DOUBLE2NUM(number);
 

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