X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXBearing.pm;h=637a6aa889642b33d3a04c3b62656312b3f9e4c2;hb=b9dffeff7239952814342dad19db3a51def6fab7;hp=e2c45e30cad82cb6358b34df06e23fa2f62a0bc3;hpb=2b58ccdf81685a1167a43c38705a0d84b9d8d661;p=spider.git diff --git a/perl/DXBearing.pm b/perl/DXBearing.pm index e2c45e30..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; -$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 $az < 0; @@ -110,7 +104,7 @@ sub bdist # turn a lat long string into floating point lat and long sub stoll { - my ($latd, $latm, $latl, $longd, $longm, $longl) = $_[0] =~ /(\d{1,2})\s+(\d{1,2})\s*([NnSs])\s+(\d{1,2})\s+(\d{1,2})\s*([EeWw])/; + my ($latd, $latm, $latl, $longd, $longm, $longl) = $_[0] =~ /(\d{1,2})\s+(\d{1,2})\s*([NnSs])\s+(1?\d{1,2})\s+(\d{1,2})\s*([EeWw])/; $longd += ($longm/60); $longd = 0-$longd if (uc $longl) eq 'W';