mpfr.texi: forgot the case x^(±0). [svn merge -c5418 .../mpfr/trunk]

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/branches/2.3@5419 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 1 insertions, 0 deletions

diff --git a/mpfr.texi b/mpfr.texi
index a507e4a20..dcad7c588 100644
--- a/mpfr.texi
+++ b/mpfr.texi
@@ -1342,6 +1342,7 @@ for the @code{pow} function (note this may change in future versions):
 @item @code{pow(@pom{}0, @var{y})} returns plus zero for @var{y} positive and not an odd integer.
 @item @code{pow(-1, @pom{}Inf)} returns 1.
 @item @code{pow(+1, @var{y})} returns 1 for any @var{y}, even a NaN.
+@item @code{pow(@var{x}, @pom{}0)} returns 1 for any @var{x}, even a NaN.
 @item @code{pow(@var{x}, @var{y})} returns NaN for finite negative @var{x} and finite non-integer @var{y}.
 @item @code{pow(@var{x}, -Inf)} returns plus infinity for @math{0 < @GMPabs{x} < 1}, and plus zero for @math{@GMPabs{x} > 1}.
 @item @code{pow(@var{x}, +Inf)} returns plus zero for @math{0 < @GMPabs{x} < 1}, and plus infinity for @math{@GMPabs{x} > 1}.