Right, math operations through 5.6.x "promote" to floating point. If you've a 64-bit integer perl without longer (80 bit or more) floats, this is bad.

What you need to do is do all your manipulation in a block with "use integer;" in effect. That'll stop perl from promoting.

In reply to Re: Manipulating 64-bit values by Elian
in thread Manipulating 64-bit values by rjbell4

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