my $a = 3.0;
my $b = '3.0';

my $stringCompareResult = $a eq $b?'true':'false';
my $numberCompareResult = $a == $b?'true':'false';

sub is_numeric {
  ($_[0] & ~ $_[0]) eq "0";
}

print ("\$stringCompareResult: $stringCompareResult\n");
print ("\$numberCompareResult: $numberCompareResult\n");

my $isNumericResultA = is_numeric($a)?'true':'false';
my $isNumericResultB = is_numeric($b)?'true':'false';
print ("\$isNumericResultA: $isNumericResultA\n");
print ("\$isNumericResultB: $isNumericResultB\n");


##</code><code>##

$stringCompareResult: false
$numberCompareResult: true
$isNumericResultA: true
$isNumericResultB: true