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Re: tolerance in binopdf.m
From: |
Jordi Gutiérrez Hermoso |
Subject: |
Re: tolerance in binopdf.m |
Date: |
Wed, 21 Sep 2011 11:32:08 -0500 |
>> On 9/21/2011 3:07 PM, Ben Abbott wrote:
>>> Thus, it looks to me as if Apple has a different implementation of
>>> lgamma (?).
>>>
>>> As this is not a bug in Octave, I'm inclined to add a tolerance
>>> for MaOS.
>>>
>>> However, I'm curious about what Apple did.
>>>
>>> I'm using Xcode 4.1. The sources are below.
>>>
>>> http://www.opensource.apple.com/
>>>
>>> Does anyone have an idea of where to look to find the sources for
>>> lgamma?
> On Sep 21, 2011, at 11:01 AM, Marco atzeri wrote:
>>
>> Could be here ?
>>
>> http://opensource.apple.com/source/Libm/
>> http://opensource.apple.com/source/Libm/Libm-2026/Source/Intel/xmm_erfgamma.c
On 21 September 2011 10:25, Ben Abbott <address@hidden> wrote:
> Yes, that is it!
Who knows why, but their implementation does differ slightly from the
one in GNU's libc:
http://www.eglibc.org/cgi-bin/viewcvs.cgi/trunk/libc/sysdeps/ieee754/dbl-64/e_lgamma_r.c?rev=3747&view=auto
HTH,
- Jordi G. H.
- Re: tolerance in binopdf.m, (continued)
- Re: tolerance in binopdf.m, Ben Abbott, 2011/09/21
- Re: tolerance in binopdf.m, Rik, 2011/09/21
- Re: tolerance in binopdf.m, Marco Atzeri, 2011/09/21
- Re: tolerance in binopdf.m, Jordi Gutiérrez Hermoso, 2011/09/21
- Re: tolerance in binopdf.m, Michael D Godfrey, 2011/09/21
- Re: tolerance in binopdf.m, Michael D Godfrey, 2011/09/21
- Re: tolerance in binopdf.m, Ben Abbott, 2011/09/21
- Re: tolerance in binopdf.m, Ben Abbott, 2011/09/21
- Re: tolerance in binopdf.m, Marco atzeri, 2011/09/21
- Re: tolerance in binopdf.m, Ben Abbott, 2011/09/21
- Re: tolerance in binopdf.m,
Jordi Gutiérrez Hermoso <=
- Re: tolerance in binopdf.m, Dr. Alexander Klein, 2011/09/21
Re: Overhaul of statistical distribution functions, Michael D Godfrey, 2011/09/21
Re: Overhaul of statistical distribution functions, Michael D Godfrey, 2011/09/21