diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/mpfr.texi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/mpfr.texi b/doc/mpfr.texi index f5fa0037c..6492967ad 100644 --- a/doc/mpfr.texi +++ b/doc/mpfr.texi @@ -2840,7 +2840,8 @@ In other words, if the error on @var{b} is bounded by two to the power you should give @var{err}=@var{prec}@minus{}@var{k}. This function @strong{does not modify} its arguments. -If @var{rnd1} is @code{MPFR_RNDN}, the error is considered to be either +If @var{rnd1} is @code{MPFR_RNDN} or @code{MPFR_RNDF}, +the error is considered to be either positive or negative, thus the possible range is twice as large as with a directed rounding for @var{rnd1} (with the same value of @var{err}). |