Thanks for the reply !
I got accurate result from string.format("%f",b)), and got that precision
of floating point number. Many thanks !
2014-11-21 6:55 GMT+08:00 Guy Harris <[email protected]>:
>
> On Nov 20, 2014, at 2:43 PM, John Sullivan <[email protected]>
> wrote:
>
> > The second part of the answer involves the meaning of a nanosecond
> > precision packet timestamp.
>
> Especially given that there isn't necessarily a guarantee that the time
> stamps reflect the exact arrival time of the first bit - or the last bit -
> of the packet at the receiver's network adapter, or that it reflects
> *anything* other than the time when the hardware, software, or firmware
> that timestamps the packet first sees the packet (which could be at some
> point in the host networking stack).
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