shyouhei	2007-08-22 10:11:29 +0900 (Wed, 22 Aug 2007)

  New Revision: 13172

  Modified files:
    branches/ruby_1_8_6/ChangeLog
    branches/ruby_1_8_6/bignum.c
    branches/ruby_1_8_6/version.h

  Log:
    * bignum.c (rb_big_neg): SIGNED_VALUE isn't in 1.8.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8_6/ChangeLog?r1=13172&r2=13171
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8_6/version.h?r1=13172&r2=13171
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8_6/bignum.c?r1=13172&r2=13171

Index: ruby_1_8_6/ChangeLog
===================================================================
--- ruby_1_8_6/ChangeLog	(revision 13171)
+++ ruby_1_8_6/ChangeLog	(revision 13172)
@@ -1,3 +1,9 @@
+Wed Aug 22 10:07:48 2007  Nobuyoshi Nakada  <nobu@r...>
+
+	* bignum.c (rb_big_neg): SIGNED_VALUE isn't in 1.8.
+
+	* bignum.c (bigtrunc): do not empty Bignum.  [ruby-dev:31229]
+
 Wed Aug 22 10:02:42 2007  Yukihiro Matsumoto  <matz@r...>
 
 	* numeric.c (fix_pow): 0**2 should not raise floating point
Index: ruby_1_8_6/version.h
===================================================================
--- ruby_1_8_6/version.h	(revision 13171)
+++ ruby_1_8_6/version.h	(revision 13172)
@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2007-08-22"
 #define RUBY_VERSION_CODE 186
 #define RUBY_RELEASE_CODE 20070822
-#define RUBY_PATCHLEVEL 60
+#define RUBY_PATCHLEVEL 63
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
Index: ruby_1_8_6/bignum.c
===================================================================
--- ruby_1_8_6/bignum.c	(revision 13171)
+++ ruby_1_8_6/bignum.c	(revision 13172)
@@ -74,6 +74,7 @@
     BDIGIT *ds = BDIGITS(x);
     BDIGIT_DBL num;
 
+    if (!i) return;
     while (i--) ds[i] = ~ds[i];
     i = 0; num = 1;
     do {
@@ -102,7 +103,7 @@
     long len = RBIGNUM(x)->len;
     BDIGIT *ds = BDIGITS(x);
 
-    while (len-- && !ds[len]);
+    while (--len && !ds[len]);
     RBIGNUM(x)->len = ++len;
     return x;
 }
@@ -1086,6 +1087,7 @@
     if (!RBIGNUM(x)->sign) get2comp(z);
     ds = BDIGITS(z);
     i = RBIGNUM(x)->len;
+    if (!i) return INT2FIX(~0);
     while (i--) ds[i] = ~ds[i];
     RBIGNUM(z)->sign = !RBIGNUM(z)->sign;
     if (RBIGNUM(x)->sign) get2comp(z);

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