[m-users.] Transposing array2d

[fabrice nicol]

Thanks Sean, actually  the 'transpose' algorithm is encoded in file 
'Matrix.asm', not in in Array.asm as I first thought.

I will look into it and see if it proves useful.

Fabrice

Le 17/05/2021 à 10:01, Sean Charles (emacstheviking) a écrit :
> On a possibly connected but probably orthogonal note, this came across 
> my radar from the SWI list, an assembly language written numerical 
> library. I don’t know if it has array transposition but somebody might 
> care to wrap it with the FFI library in the future? It does have Array 
> Functions section and moving and copying things but no explicit 
> mention on that page. The source might reveal more.
>
> http://linasm.sourceforge.net/docs/api/array.php 
> <http://linasm.sourceforge.net/docs/api/array.php>
>
> http://linasm.sourceforge.net/about/benchmarks.php 
> <http://linasm.sourceforge.net/about/benchmarks.php>
>
>
>> On 17 May 2021, at 06:50, fabrice nicol <fabrnicol at gmail.com 
>> <mailto:fabrnicol at gmail.com>> wrote:
>>
>> I wondered whether someone ever implemented a 'transpose' procedure 
>> for array2d.
>>
>> As there seems to be none, I have implemented a basic fallback here: 
>> https://github.com/fabnicol/RMercury/blob/library/ri.m, line 1236.
>>
>> [Note: the library itself is very much work in progress, with 
>> numerous issues and loose ends. I'm just quoting it for reference to 
>> 'transpose'.]
>>
>> This works, but it is the basic Cate & Twigg formula. There are 
>> numerous better options around, perhaps someone knows of some free 
>> code around?
>>
>> Fabrice
>>
>>
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