fixed bug when dividend is 0

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@1098 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 6 insertions, 0 deletions

diff --git a/div_ui.c b/div_ui.c
index bf5e94c05..7589a0987 100644
--- a/div_ui.c
+++ b/div_ui.c
@@ -67,6 +67,12 @@ mpfr_div_ui(y, x, u, rnd_mode)
     }
 
   MPFR_CLEAR_INF(y);
+  
+  if (MPFR_IS_ZERO(x))
+    {
+      MPFR_SET_ZERO(y);
+      return 0;
+    }
 
   TMP_MARK(marker);
   xn = (MPFR_PREC(x)-1)/BITS_PER_MP_LIMB + 1;