Added an item about the future MPFR_FLAGS_ERANGE flag.

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@2996 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 6 insertions, 0 deletions

diff --git a/TODO b/TODO
index 224f96a90..6221ff429 100644
--- a/TODO
+++ b/TODO
@@ -64,6 +64,12 @@ Changes in existing functions:
    rounding, if the round bit is 0 (resp. 1), we just have to check
    round(approx-error) (resp. round(approx+error)).
 
+- add a flag MPFR_FLAGS_ERANGE to signal a domain error when the result
+  is not a MPFR number (otherwise NaN is used both in __gmpfr_flags and
+  in the result). Modify the following functions to use it:
+    * Conversions MPFR -> C integer (e.g. mpfr_get_ui).
+    * Comparisons when NaN is not accepted.
+
 New functions to implement:
 
 - modf (to extract integer and fractional parts), suggested by