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Groups > comp.lang.java.programmer > #34620
| From | j4n bur53 <janburse@fastmail.fm> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Java Source of Meiyan Hash Scrambler? |
| Date | 2016-06-13 16:23 +0200 |
| Organization | albasani.net |
| Message-ID | <njmfkq$h9p$1@news.albasani.net> (permalink) |
| References | (5 earlier) <njbua3$jue$1@news.albasani.net> <9qaqlbhvajdm8kdcf99k7e5pfl933lpvik@4ax.com> <njjc12$ihr$1@news.albasani.net> <slrnnltfgk.456.avl@login.logic.tuwien.ac.at> <slrnnltg37.456.avl@login.logic.tuwien.ac.at> |
Indeed that is the first thing I saw, that
the numbers got bigger. Since I wrote:
> I am expecting these tokens:
> 16_777_619
> 2_166_136_261L
> in one single color.
And now it is:
16_777_61916_777_619
2_166_136_2612_166_136_261L
Conclusion:
An update was deliverd, testing failed, a new update is necessary.
Andreas Leitgeb schrieb:
> Andreas Leitgeb <avl@logic.at> wrote:
>> j4n bur53 <janburse@fastmail.fm> wrote:
>>> http://mindprod.com/jgloss/digest.html#FNV
>> Fwiw, I see the number literals all in red, but "doubleddoubled"!
>> e.g.: (direct copy & paste of these lines)
>> private static final int MAGIC_OFFSET = ( int ) ( 2_166_136_2612_166_136_261L & 0xffffffffL ); /* fake unsigned 32 bit */
>> private static final int MAGIC_PRIME = 16_777_61916_777_619; /* magic 32 bit FNV_prime = 2^24 + 2^8 + 0x93 = 16,777,619 */
>> (firefox here)
>
> And where the number is very big, it seems to hide a digit besides
> the doubling:
>
> /**
> * magic 64 bit initial value for the hash = 14,695,981,039,346,656,037, needs to be unsigned to fit in long.
> */
> private static final long MAGIC_OFFSET = 14_695_981_039_346_656_0314_695_981_039_346_656_03L * 10 + 7; /* 14_695_981_039_346_656_037L faked unsigned */
>
> Note, that 14_695_981_039_346_656_0314_695_981_039_346_656_03L lacks the
> digit 7 that is at the end of the figure in the comment. It's also possible
> that this one digit is actually just missing in the code, though.
>
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Java Source of Meiyan Hash Scrambler? bursejan@gmail.com - 2016-06-05 17:22 -0700
Re: Java Source of Meiyan Hash Scrambler? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-06 07:48 -0400
Re: Java Source of Meiyan Hash Scrambler? Jan Burse <janburse@fastmail.fm> - 2016-06-06 14:13 +0200
TreeBins Problem and Float/Double (Was: Java Source of Meiyan Hash Scrambler?) Jan Burse <janburse@fastmail.fm> - 2016-06-06 14:45 +0200
Re: Java Source of Meiyan Hash Scrambler? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-06 08:47 -0400
Floating-point hash keys (Was: Java Source of Meiyan Hash Scrambler?) Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-06 12:02 -0400
Re: Floating-point hash keys (Was: Java Source of Meiyan Hash Scrambler?) Roedy Green <inquiry@mindprod.com> - 2016-06-09 05:33 -0700
Re: Floating-point hash keys (Was: Java Source of Meiyan Hash Scrambler?) Jan Burse <janburse@fastmail.fm> - 2016-06-09 16:27 +0200
Re: Java Source of Meiyan Hash Scrambler? Roedy Green <inquiry@mindprod.com> - 2016-06-07 03:24 -0700
Re: Java Source of Meiyan Hash Scrambler? Jan Burse <janburse@fastmail.fm> - 2016-06-07 15:38 +0200
Re: Java Source of Meiyan Hash Scrambler? Jan Burse <janburse@fastmail.fm> - 2016-06-07 15:39 +0200
Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Jan Burse <janburse@fastmail.fm> - 2016-06-07 15:42 +0200
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Roedy Green <inquiry@mindprod.com> - 2016-06-09 05:29 -0700
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Mike Amling <mamling@chaff.us> - 2016-06-09 08:00 -0500
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Eric Douglas <e.d.programmer@gmail.com> - 2016-06-09 06:07 -0700
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Jerry Stuckle <jstucklex@attglobal.net> - 2016-06-09 11:41 -0400
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Roedy Green <inquiry@mindprod.com> - 2016-06-11 01:17 -0700
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Daniel Pitts <usenet@coloraura.com> - 2016-06-11 12:31 -0700
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Mike Amling <mamling@chaff.us> - 2016-06-12 15:42 -0500
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Daniel Pitts <usenet@coloraura.com> - 2016-06-12 21:03 -0700
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Roedy Green <inquiry@mindprod.com> - 2016-06-13 14:13 -0700
Re: Sideremark II ( Re: Java Source of Meiyan Hash Scrambler?) Roedy Green <inquiry@mindprod.com> - 2016-06-10 14:11 -0700
Re: Java Source of Meiyan Hash Scrambler? Roedy Green <inquiry@mindprod.com> - 2016-06-07 20:38 -0700
Re: Java Source of Meiyan Hash Scrambler? Roedy Green <inquiry@mindprod.com> - 2016-06-09 05:15 -0700
Re: Java Source of Meiyan Hash Scrambler? Jan Burse <janburse@fastmail.fm> - 2016-06-09 16:26 +0200
Re: Java Source of Meiyan Hash Scrambler? Roedy Green <inquiry@mindprod.com> - 2016-06-12 02:28 -0700
Re: Java Source of Meiyan Hash Scrambler? j4n bur53 <janburse@fastmail.fm> - 2016-06-12 12:03 +0200
Re: Java Source of Meiyan Hash Scrambler? Andreas Leitgeb <avl@logic.at> - 2016-06-13 14:07 +0000
Re: Java Source of Meiyan Hash Scrambler? Andreas Leitgeb <avl@logic.at> - 2016-06-13 14:17 +0000
Re: Java Source of Meiyan Hash Scrambler? Andreas Leitgeb <avl@logic.at> - 2016-06-13 14:20 +0000
Re: Java Source of Meiyan Hash Scrambler? j4n bur53 <janburse@fastmail.fm> - 2016-06-13 16:23 +0200
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