added mpfr_atanu and mpfr_atanpi

git-svn-id: https://scm.gforge.inria.fr/anonscm/svn/mpfr/trunk@14307 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 8 insertions, 4 deletions

diff --git a/doc/mpfr.texi b/doc/mpfr.texi
index e2f88f3af..a669adfef 100644
--- a/doc/mpfr.texi
+++ b/doc/mpfr.texi
@@ -2329,17 +2329,19 @@ small precision of @var{rop}.
 
 @deftypefun int mpfr_acosu (mpfr_t @var{rop}, mpfr_t @var{op}, unsigned long int @var{u}, mpfr_rnd_t @var{rnd})
 @deftypefunx int mpfr_asinu (mpfr_t @var{rop}, mpfr_t @var{op}, unsigned long int @var{u}, mpfr_rnd_t @var{rnd})
+@deftypefunx int mpfr_atanu (mpfr_t @var{rop}, mpfr_t @var{op}, unsigned long int @var{u}, mpfr_rnd_t @var{rnd})
 Set @var{rop} to @var{a} multiplied by @var{u} and divided by
-@m{2\pi,2@tie{}Pi}, where @var{a} is the arc-cosine (resp.@: arc-sine)
-of @var{op}.
+@m{2\pi,2@tie{}Pi}, where @var{a} is the arc-cosine (resp.@: arc-sine and
+arc-tangent) of @var{op}.
 For example, if @var{u} equals 360, @code{mpfr_acosu} yields the arc-cosine in
 degrees.
 @end deftypefun
 
 @deftypefun int mpfr_acospi (mpfr_t @var{rop}, mpfr_t @var{op}, mpfr_rnd_t @var{rnd})
 @deftypefunx int mpfr_asinpi (mpfr_t @var{rop}, mpfr_t @var{op}, mpfr_rnd_t @var{rnd})
-Set @var{rop} to @code{acos(op)} (resp.@: @code{asin(op)}) divided
-by @m{\pi,Pi}.
+@deftypefunx int mpfr_atnnpi (mpfr_t @var{rop}, mpfr_t @var{op}, mpfr_rnd_t @var{rnd})
+Set @var{rop} to @code{acos(op)} (resp.@: @code{asin(op)} and @code{atnn(op)})
+divided by @m{\pi,Pi}.
 @end deftypefun
 
 @deftypefun int mpfr_atan2 (mpfr_t @var{rop}, mpfr_t @var{y}, mpfr_t @var{x}, mpfr_rnd_t @var{rnd})
@@ -4123,6 +4125,8 @@ that were added after MPFR@tie{}2.2, and in which MPFR version.
 
 @item @code{mpfr_asprintf} in MPFR@tie{}2.4.
 
+@item @code{mpfr_atanpi} and @code{mpfr_atanu} in MPFR@tie{}4.2.0.
+
 @item @code{mpfr_beta} in MPFR@tie{}4.0 (incomplete, experimental).
 
 @item @code{mpfr_buildopt_decimal_p} in MPFR@tie{}3.0.