naruse	2011-09-16 16:09:24 +0900 (Fri, 16 Sep 2011)

  New Revision: 33286

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=33286

  Log:
    Revert "* numeric.c (ruby_float_step): Avoid error on i386 and amd64."
    
    This reverts commit r33285 because of the message of r33284.

  Modified files:
    trunk/ChangeLog
    trunk/numeric.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 33285)
+++ ChangeLog	(revision 33286)
@@ -1,8 +1,3 @@
-Fri Sep 16 02:05:44 2011  Marc-Andre Lafortune  <ruby-core@m...>
-
-	* numeric.c (ruby_float_step): Avoid error on i386 and amd64.
-	  Patch by Vit Ondruch. Issue #4576.
-
 Thu Sep 15 11:39:43 2011  Nobuyoshi Nakada  <nobu@r...>
 
 	* gc.c (mark_entry, mark_key, mark_keyvalue): adjust callback
Index: numeric.c
===================================================================
--- numeric.c	(revision 33285)
+++ numeric.c	(revision 33286)
@@ -1683,7 +1683,6 @@
 	double unit = NUM2DBL(step);
 	double n = (end - beg)/unit;
 	double err = (fabs(beg) + fabs(end) + fabs(end-beg)) / fabs(unit) * epsilon;
-	double im = 0.0;
 	long i;
 
 	if (isinf(unit)) {
@@ -1692,8 +1691,7 @@
 	else {
 	    if (err>0.5) err=0.5;
 	    n = floor(n + err);
-	    im = ((long)n)*unit+beg;
-	    if (!excl || im < end) n++;
+	    if (!excl || ((long)n)*unit+beg < end) n++;
 	    for (i=0; i<n; i++) {
 		rb_yield(DBL2NUM(i*unit+beg));
 	    }

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