perlfunc.pod: atan2(0,0) returns 0, not undef
Paul Fenwick [Sun, 6 Apr 2008 11:28:27 +0000 (21:28 +1000)]
Message-ID: <47F8273B.6010504@perltraining.com.au>

p4raw-id: //depot/perl@33650

pod/perlfunc.pod

index 886aae9..3e107c9 100644 (file)
@@ -492,7 +492,8 @@ function, or use the familiar relation:
 
     sub tan { sin($_[0]) / cos($_[0])  }
 
-Note that atan2(0, 0) is not well-defined.
+Note that atan2(0, 0) is not well-defined, however the Perl
+implmentation returns C<0> for this value.
 
 =item bind SOCKET,NAME
 X<bind>