Bug fix: '-' should not be counted as a digit(to_s(n) format).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 4 deletions

diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index e850fbd047..854756b4ee 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -3109,10 +3109,8 @@ VpFormatSt(char *psz,S_INT fFmt)
     for(i = 0; i < ie; ++i) {
         ch = psz[i];
         if(!ch) break;
-        if(ch == '.') {
-            nf = 0;
-            continue;
-        }
+        if(ch=='-' || ch=='+') continue;
+        if(ch == '.') { nf = 0;continue;}
         if(ch == 'E') break;
         nf++;
         if(nf > fFmt) {