Bug in BigDecimal("1e#{n}").add BigDecimal('.5'),n) reported and fixed by Javier Goizueta.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5602 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 3 deletions

diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 6a9940d335..0d339c9cfc 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -3788,10 +3788,9 @@ VpMidRound(Real *y, int f, int nf)
     }
     for(i=0;i<=n;++i) div *= 10;
     if(div>=BASE) {
-        y->frac[ix] = 0;
         if(ix) {
-            VpNmlz(y);
-            VpRdup(y,0);
+            y->frac[ix] = 0;
+            VpRdup(y,ix);
         } else {
             S_INT s = VpGetSign(y);
             VpSetOne(y);