Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Bitscan Updated

Author: Matt Taylor

Date: 08:38:31 02/18/03

Go up one level in this thread


On February 18, 2003 at 03:21:28, Dave Gomboc wrote:

>On February 14, 2003 at 21:23:45, Dann Corbit wrote:
>
>>On February 14, 2003 at 20:40:05, Dave Gomboc wrote:
>>
>>>On February 14, 2003 at 13:36:39, Matt Taylor wrote:
>>>
>>>>On February 14, 2003 at 08:24:47, Dave Gomboc wrote:
>>>>
>>>>>On February 14, 2003 at 03:40:53, Matt Taylor wrote:
>>>>>
>>>>>>AFAIK all suggestions are now incorporated:
>>>>>>ftp://24.73.126.6/lsb.h
>>>>>>ftp://24.73.126.6/lsb.c
>>>>>>
>>>>>>Somebody (I no longer remember who) asked me to create a version that does not
>>>>>>use cmovcc so it will run on older chips. I may get around to this, but it is
>>>>>>not high priority. Staying sane is high priority.
>>>>>>
>>>>>>Popcount was also requested; this may make its way into that file very soon -- I
>>>>>>just need to copy code from the K7 optimization manual.
>>>>>>
>>>>>>All versions (inline C and all 3 asm routines) tested in GCC and VC against a
>>>>>>pure-C routine and seem to work for me.
>>>>>>
>>>>>>Once again, suggestions are always welcome. Bug reports are even more welcome.
>>>>>>
>>>>>>Happy bit fiddling!
>>>>>>
>>>>>>-Matt
>>>>>
>>>>>I suggest you add a copyright notice and licence. ;-)
>>>>>
>>>>>Dave
>>>>
>>>>Sigh, I guess I should. I was trying to ignore that, too.
>>>>
>>>>-Matt
>>>
>>>Well, you can enter it into the public domain if you want to. <shrug/>
>>
>>In the US (at least) copyright does not depend upon a notice.  If you wrote it,
>>the copyright belongs to you.
>>
>>Public domain (on the other hand) must be specifically stated.
>
>Fine, so if Matt wants other people to be able to use that code in any way they
>like, he ought to indicate so.
>
>Dave

And I have.

-Matt



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.