X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXBearing.pm;h=637a6aa889642b33d3a04c3b62656312b3f9e4c2;hb=05bed9a172a48255aff58f64ab01df58a4d87891;hp=e7736f8a138d64a367865bce605631389f96f861;hpb=5bda7945001817ba3005d357b7b2f257ffe8a2cf;p=spider.git

diff --git a/perl/DXBearing.pm b/perl/DXBearing.pm
index e7736f8a..637a6aa8 100644
--- a/perl/DXBearing.pm
+++ b/perl/DXBearing.pm
@@ -13,20 +13,14 @@
 
 package DXBearing;
 
-use POSIX;
 use DXUtil;
+use POSIX qw(:math_h);
 
 use strict;
 use vars qw($pi);
 
 $pi = 3.14159265358979;
 
-use vars qw($VERSION $BRANCH);
-$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
-$main::build += $VERSION;
-$main::branch += $BRANCH;
-
 # convert a qra locator into lat/long in DEGREES
 sub qratoll
 {
@@ -95,12 +89,12 @@ sub bdist
 	my $e = dr(shift);
 	return (0, 0) if $hn == $n && $he == $e;
 	my $co = cos($he-$e)*cos($hn)*cos($n)+sin($hn)*sin($n);
-	my $ca = atan(abs(sqrt(1-$co*$co)/$co));
+	my $ca = $co ? atan(abs(sqrt(1-$co*$co)/$co)) : $pi;
 	$ca = $pi-$ca if $co < 0;
 	my $dx = 6367*$ca;
 	my $si = sin($e-$he)*cos($n)*cos($hn);
 	$co = sin($n)-sin($hn)*cos($ca);
-	my $az = atan(abs($si/$co));
+	my $az = $co ? atan(abs($si/$co)) : $pi;
 	$az = $pi - $az if $co < 0;
 	$az = -$az if $si < 0;
 	$az = $az+2*$pi if $az < 0;