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authorDominic Dunlop <domo@computer.org>2006-03-22 16:18:33 +0100
committerRafael Garcia-Suarez <rgarciasuarez@gmail.com>2006-03-22 14:27:21 +0000
commit9bf76a6a2fc16ab628a46452e34352d3e3d71674 (patch)
tree907ce4bd3e80d259db72fa7f0348918be3d9fb7b /README.win32
parenta90be0136120263e3a9bbc095158abaa7ae2eeb5 (diff)
downloadperl-9bf76a6a2fc16ab628a46452e34352d3e3d71674.tar.gz
Re: [perl #38779] NAN's on Win32
Message-Id: <E44A2151-DE7F-4C5D-8A4B-DDA0412229C2@mac.com> p4raw-id: //depot/perl@27567
Diffstat (limited to 'README.win32')
-rw-r--r--README.win328
1 files changed, 7 insertions, 1 deletions
diff --git a/README.win32 b/README.win32
index 066a6dc752..4815a32add 100644
--- a/README.win32
+++ b/README.win32
@@ -859,6 +859,12 @@ Thus, signals may work only for simple things like setting a flag
variable in the handler. Using signals under this port should
currently be considered unsupported.
+Numeric comparisons involving "Not a Number" (NaN, an IEEE floating point
+feature) will give incorrect results if you build with Visual C++ Version 6
+or earlier -- see I<Floating-Point Comparison> in
+L<http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndeepc/html/deep05282002.asp>
+for details. If possible, you should build using a later version of VC++.
+
Please send detailed descriptions of any problems and solutions that
you may find to E<lt>F<perlbug@perl.org>E<gt>, along with the output
produced by C<perl -V>.
@@ -909,6 +915,6 @@ Win9x support was added in 5.6 (Benjamin Stuhl).
Support for 64-bit Windows added in 5.8 (ActiveState Corp).
-Last updated: 30 September 2005
+Last updated: 22 March 2006
=cut