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| author | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2003-10-14 11:49:06 +0000 |
|---|---|---|
| committer | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2003-10-14 11:49:06 +0000 |
| commit | 1fa2277c10582baa8b8402b8cf1702116ccbc560 (patch) | |
| tree | 672209195ecad922dc489260098588b4dca469ad /log10.c | |
| parent | 51aef80e83eaf2fc76dd6be59c0549e890dccd2b (diff) | |
| download | mpfr-1fa2277c10582baa8b8402b8cf1702116ccbc560.tar.gz | |
replaced mpfr_can_round (approx, err, rnd1, GMP_RNDN, prec)
by mpfr_can_round (approx, err, rnd1, GMP_RNDZ, prec + 1)
which in addition guarantees a correct inexact flag
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@2492 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'log10.c')
| -rw-r--r-- | log10.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -124,7 +124,8 @@ mpfr_log10 (mpfr_ptr r, mpfr_srcptr a, mp_rnd_t rnd_mode) /* estimation of the error */ err = Nt - 4; - ok = mpfr_can_round (t, err, GMP_RNDN, rnd_mode, Ny); + ok = mpfr_can_round (t, err, GMP_RNDN, GMP_RNDZ, + Ny + (rnd_mode == GMP_RNDN)); /* log10(10^n) is exact */ if ((MPFR_SIGN(t) > 0) && mpfr_integer_p (t)) |