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Re: [gpsd-dev] âCEP(50) 0.285 metersMime-Version: 1.0
From: |
Fred Wright |
Subject: |
Re: [gpsd-dev] âCEP(50) 0.285 metersMime-Version: 1.0 |
Date: |
Fri, 22 Jul 2016 13:55:52 -0700 (PDT) |
On Fri, 22 Jul 2016, Gary E. Miller wrote:
> My main attack for a while will we be in geting the numeric precision
> solid. Calculating things to about 11 significant decimal digits is
> harder than it looks. A 64 bit long is only about 10 decimal digits.
Umm, a *64-bit* long is about 19 decimal digits. Though a double is only
good for about 15.
> For example, my longitude is 121.314064921W, but a long can only
> hold 2147483647.
Then it must be a 32-bit long.
Fred Wright
- Re: [gpsd-dev] âCEP(50) 0.285 metersMime-Version: 1.0, Hal Murray, 2016/07/22
- Re: [gpsd-dev] âCEP(50) 0.285 metersMime-Version: 1.0, Gary E. Miller, 2016/07/22
- Re: [gpsd-dev] âCEP(50) 0.285 metersMime-Version: 1.0, Norton Allen, 2016/07/22
- Re: [gpsd-dev] âCEP(50) 0.285 metersMime-Version: 1.0,
Fred Wright <=
- 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, Fred Wright, 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, Hal Murray, 2016/07/22
- Re: [gpsd-dev] ✘CEP(50) 0.285 metersMime-Version: 1.0, Fred Wright, 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, Fred Wright, 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, Fred Wright, 2016/07/22