use strict;
use warnings;

my $amt = 4887.15;

print " Checking amnt before conversion $amt,\n";
        $amt= sprintf("%.2f",$amt);
        print " Checking amnt after rounding $amt,\n";
        $amt = $amt*100;
        print " Checking amnt after conversion $amt,\n";
        printf "Checking the EXACT value of amnt: %.17g\n", $amt;

amnt($amt);

sub amnt
{
my $amount=$_[0];
$amount=int($amount);
print  "$amount i m checking amount before padding,\n";
#my $padamnt = sprintf("%016.0f",$amount);---> currently commented to check integer effect.
my $padamnt = sprintf("%016d",$amount);

print  "$padamnt i m checking amount after padding,\n";
 return $padamnt;
}