From 38489e5cfd83f49b21b7d3d27b1cb405c8df28b4 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Tue, 18 Apr 2023 13:24:42 +0200 Subject: ilogbl: Work around a Cygwin 3.4.6 bug. * m4/ilogbl.m4 (gl_FUNC_ILOGBL_WORKS): Also test the value of ilogbl(NaN). * doc/posix-functions/ilogbl.texi: Mention the new Cygwin bug. --- doc/posix-functions/ilogbl.texi | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'doc') diff --git a/doc/posix-functions/ilogbl.texi b/doc/posix-functions/ilogbl.texi index a038376f88..dab44c8367 100644 --- a/doc/posix-functions/ilogbl.texi +++ b/doc/posix-functions/ilogbl.texi @@ -16,6 +16,10 @@ This function returns a wrong result for a zero argument on some platforms: @c https://cygwin.com/ml/cygwin/2019-12/msg00074.html Cygwin 2.9. @item +This function returns a wrong result for a NaN argument on some platforms: +@c https://cygwin.com/pipermail/cygwin/2023-April/253511.html +Cygwin 3.4.6. +@item This function returns a wrong result for denormalized arguments on some platforms: AIX 7.1 64-bit, Haiku 2017. @end itemize -- cgit v1.2.1