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Re: [gpsd-dev] PPS and doubles

From: Gary E. Miller
Subject: Re: [gpsd-dev] PPS and doubles
Date: Sun, 1 Feb 2015 15:12:48 -0800

Yo Hal!

On Sun, 01 Feb 2015 15:06:16 -0800
Hal Murray <address@hidden> wrote:

> Took me a while to understand that.
> 33+20 is 53, not 63.
> Looks like a typo here:
>   tv_nsec = 20 bits of precision
> Microseconds would be 20 bits.  Nanoseconds are 30 bits.

Gack.  You are correct.  I got it right in a comment I just
added to ppsthread.c

But the moral is the same: 63 bits of data does not fit in a double.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
        address@hidden  Tel:+1(541)382-8588

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