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Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0
From: |
Gary E. Miller |
Subject: |
Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0 |
Date: |
Fri, 22 Jul 2016 17:03:05 -0700 |
Yo Greg!
On Fri, 22 Jul 2016 19:31:37 -0400
Greg Troxel <address@hidden> wrote:
> long double appears not really that portable.
>
> http://info.prelert.com/blog/the-pitfalls-of-long-double
Don't care, I just need better than double.
> "Gary E. Miller" <address@hidden> writes:
>
> > We aim to have gpsd run on 32 bit and 64 bit systems. RasPi's,
> > Odroid's and BBB's currently are 32 bit only.
>
> That really shouldn't be an issue. 32-bit CPUs of various kinds
> have implemented both uint64_t and double (the longer of the two
> normal IEEE754 types) for a long time. The thing to be careful
> about is to use uint64_t if you want a 64-bit type, and not to assume
> that that int, long, or any of the basic C types are particular
> sizes. This may well interact badly with python that tends to
> provide the native int.
Don't care, the issue is Python. gpsprof is written in Python.
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
address@hidden Tel:+1 541 382 8588
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- Re: [gpsd-dev] several messages, (continued)
- Re: [gpsd-dev] several messages, Fred Wright, 2016/07/22
- Re: [gpsd-dev] several messages, Greg Troxel, 2016/07/23
- Re: [gpsd-dev] CEP(50) 0.285 meters, Fred Wright, 2016/07/23
- Re: [gpsd-dev] CEP(50) 0.285 meters, Fred Wright, 2016/07/23
- Re: [gpsd-dev] ✘CEP(50) 0.285 meters, Gary E. Miller, 2016/07/23
- Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0, Greg Troxel, 2016/07/22
- Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0, Gary E. Miller, 2016/07/22
- Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0, Hal Murray, 2016/07/22
- Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0, Gary E. Miller, 2016/07/22
- Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0, Greg Troxel, 2016/07/22
- Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0,
Gary E. Miller <=