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#==========================================================================
# Copyright (c) 1995-1999 Martien Verbruggen
#--------------------------------------------------------------------------
#
# Name:
# GD::Graph::utils.pm
#
# Description:
# Package of general utilities.
#
# $Id: utils.pm,v 1.5 2000/03/18 06:01:43 mgjv Exp $
#
#==========================================================================
package GD::Graph::utils;
$GD::Graph::utils::VERSION = '$Revision: 1.5 $' =~ /\s([\d.]+)/;
use strict;
use vars qw( @EXPORT_OK %EXPORT_TAGS );
require Exporter;
@GD::Graph::utils::ISA = qw( Exporter );
@EXPORT_OK = qw(_max _min _round);
%EXPORT_TAGS = (all => [qw(_max _min _round)]);
sub _max {
my ($a, $b) = @_;
return undef if (!defined($a) and !defined($b));
return $a if (!defined($b));
return $b if (!defined($a));
( $a >= $b ) ? $a : $b;
}
sub _min {
my ($a, $b) = @_;
return undef if (!defined($a) and !defined($b));
return $a if (!defined($b));
return $b if (!defined($a));
( $a <= $b ) ? $a : $b;
}
sub _round { sprintf "%.0f", shift }
sub version { $GD::Graph::utils::VERSION }
"Just another true value";
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