From ed94fef7e3e6e5c886ada791bb563339b028ddb9 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 13 Apr 2004 21:48:43 +0000
Subject: [PATCH] Fix bug, add support for +/-

llvm-svn: 12934
---
 llvm/utils/fpcmp/fpcmp.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/utils/fpcmp/fpcmp.cpp b/llvm/utils/fpcmp/fpcmp.cpp
index ae5667a46d83..3df0fa5480ca 100644
--- a/llvm/utils/fpcmp/fpcmp.cpp
+++ b/llvm/utils/fpcmp/fpcmp.cpp
@@ -56,7 +56,7 @@ static bool isNumberChar(char C) {
   switch (C) {
   case '0': case '1': case '2': case '3': case '4':
   case '5': case '6': case '7': case '8': case '9': 
-  case '.':
+  case '.': case '+': case '-':
   case 'e':
   case 'E': return true;
   default: return false;
@@ -64,7 +64,7 @@ static bool isNumberChar(char C) {
 }
 
 static char *BackupNumber(char *Pos, char *FirstChar) {
-  while (Pos < FirstChar && isNumberChar(Pos[-1]))
+  while (Pos > FirstChar && isNumberChar(Pos[-1]))
     --Pos;
   return Pos;
 }