Re: multiple precision version of BLAS and LAPACK

[Maho NAKATA]

Hi David Bateman,
Nice to meet you. ok, I'll invesitgate it.
Thanks

From: David Bateman <address@hidden>
Subject: Re: multiple precision version of BLAS and LAPACK
Date: Fri, 18 Sep 2009 18:26:22 +0200

> The fixed package was aimed at doing fixed point calculations for
> DSP/ASIC bit accurate analysis and do it fast. Typically 16 bit
> numbers or less are all that are used in that case.. GMP is for much
> larger numbers than that.. I'd suggest looking at the VPA type in the
> symbolic package instead.
>
> David
>
>
> Maho NAKATA wrote:
>> Hello Jaroslav Hajek,
>>
>> Many thanks for your kind reply. I'll look at it and maybe the
>> start from here looks very nice.
>>
>> Best,
>>
>> From: Jaroslav Hajek <address@hidden>
>> Subject: Re: multiple precision version of BLAS and LAPACK
>> Date: Fri, 18 Sep 2009 07:52:26 +0200
>>
>>
>>> On Thu, Sep 17, 2009 at 7:10 AM, Maho NAKATA <address@hidden> wrote:
>>>
>>>> Hi developers of octave,
>>>> my name is Nakata Maho, Japanese, who is interested in Octave.
>>>> Thanks for good software!
>>>>
>>>> Just my interest, I have been developing multiple precision version
>>>> of BLAS and LAPACK, using qd/dd/gmp [1]. I have a principal developer
>>>> of
>>>> SDPA-GMP [2], semidefinite programming solver using GMP. Actually,
>>>> MPACK, multiple precision arithmetic version of BLAS and LAPACK I have
>>>> developing is from the SDPA-GMP.
>>>>
>>>> I wonder what I can contribute to octave. Any advice is really
>>>> appreciated.
>>>>
>>>> [1] http://mplapack.sourceforge.net/
>>>> [2] http://sdpa.indsys.chuo-u.ac.jp/sdpa/download.html
>>>>
>>>> Best,
>>>> -- Nakata Maho http://accc.riken.jp/maho/ , http://ja.openoffice.org/
>>>>   Nakata Maho's PGP public keys: http://accc.riken.jp/maho/maho.pgp.txt
>>>>
>>>>
>>> Hello,
>>>
>>> Octave can conveniently be extended using external C++ packages. If
>>> you'd like to contribute a multi-precision package, probably the best
>>> way to start is to check out David Bateman's fixed point numbers
>>> package:
>>> http://octave.sourceforge.net/fixed/
>>> I don't think we want multiprecision computing in Octave's core now,
>>> but that may change in the future.
>>>
>>>
>>> hth
>>>
>>> --
>>> RNDr. Jaroslav Hajek
>>> computing expert & GNU Octave developer
>>> Aeronautical Research and Test Institute (VZLU)
>>> Prague, Czech Republic
>>> url: www.highegg.matfyz.cz
>>>
>>>
>
>
> --
> David Bateman                                address@hidden
> 35 rue Gambetta                              +33 1 46 04 02 18 (Home)
> 92100 Boulogne-Billancourt FRANCE            +33 6 72 01 06 33 (Mob)
>

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