[src/sum.c] Update.

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/branches/new-sum@9297 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 8 insertions, 1 deletions

diff --git a/src/sum.c b/src/sum.c
index 1d3f44a6e..7f1319063 100644
--- a/src/sum.c
+++ b/src/sum.c
@@ -850,7 +850,14 @@ sum_aux (mpfr_ptr sum, mpfr_ptr *const x, unsigned long n, mpfr_rnd_t rnd,
         MPFR_LOG_MSG (("[Step 8] tmd=%d rbit=%d sst=%d\n",
                        tmd, rbit != 0, sst));
 
-
+        inex =
+          MPFR_IS_LIKE_RNDD (rnd, pos ? 1 : -1) ? (sst ? -1 : 0) :
+          MPFR_IS_LIKE_RNDU (rnd, pos ? 1 : -1) ? (sst ?  1 : 0) :
+          (MPFR_ASSERTD (rnd == MPFR_RNDN),
+           tmd == 1 ? - sst : sst);
+        /* Note: halfway cases may have to be corrected. */
+
+        /* TODO: possible correction of the value (+/- 1 ulp)... */
 
       }  /* Step 8 block */