Re^2: Padding with sprintf changing number

[sachin raj aryan]

This was the operation i was doing it before padding

print " Checking amnt before conversion $amt,\n";
        $amt= sprintf("%.2f",$amt);
        print " Checking amnt after rounding $amt,\n";
        $amt = $amt*100;

[haukex]

4887.15 cannot be stored accurately as a floating-point number, which is may be is causing your issue. See my post above for more information.

[syphilis]

4887.15 cannot be stored accurately as a floating-point number, which is causing your issue.

Could it be that (at least part of) the problem is that the OP is expecting that sprint("%d", 488714.999) will return the string 488715 ?
It won't:

C:\>perl -le "print sprintf('%d', 488714.999);"
488714


Cheers,
Rob

[haukex]

Yes, it could also be that $amt is intentionally something like 4887.14999..., so my statement above may be a little too certain (edited). That in Perl, rounding is often done with sprintf's %f instead of %d is a good point.

Update: Wait a minute - OP says they did $amt = sprintf("%.2f",$amt); before the $amt = $amt*100;, so the issue is pretty certainly that $amt was first something that rounds to 4887.15, which can't be represented accurately, and assuming $amt is the same as $amount in the root node, the cause of the issue is pretty clear.