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| author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2012-04-27 13:51:49 +0000 |
|---|---|---|
| committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2012-04-27 13:51:49 +0000 |
| commit | f4623ed2e19e5b5317864bf499de22f6aab27c2f (patch) | |
| tree | 5c9a6e9a0ac3b54d2016049825729ef4b2a576bd /TODO | |
| parent | 873818817bcc94fc58f393642ff2b14dee87766d (diff) | |
| download | mpfr-f4623ed2e19e5b5317864bf499de22f6aab27c2f.tar.gz | |
[TODO] Suggested a new rounding mode: MPFR_RNDE, to be used when the
result is known to be exact (normal mode: optimize; debug mode: check).
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@8168 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -397,6 +397,11 @@ Table of contents: z = round(y, p, TO_NEAREST_EVEN), then z = round(x, p, TO_NEAREST_EVEN) so it avoids the double-rounding problem. +- new rounding mode MPFR_RNDE when the result is known to be exact? + * In normal mode, this would allow MPFR to optimize using + this information. + * In debug mode, MPFR would check that the result is exact + (i.e. that the ternary value is 0). - add tests of the ternary value for constants |