very useful, thanks!
Andrea S.

----- Original Message ----- 
From: "joachim heintz" 
To: 
Sent: Sunday, January 06, 2019 12:13 PM
Subject: [Csnd] new array udo's


> there are a lot of new array functions in
> https://github.com/csudo/csudo/tree/master/arrays
>
> the UDOs can be importet by including
> https://github.com/csudo/csudo/blob/master/arrays/arrays.udo to any
> csound file.  i attach an example collection.
>
> this is a list of all the UDOs and what they do:
>
> ArrAddEl   : iOutArr[] ArrAddEl iInArr[], iEl [,iPos]
>   add an element to an array
> ArrAvrg    : iAvrg ArrAvrg iArr[] [,iStart [,iEnd]]
>   calculate the average of a numeric array
> ArrCat     : iOutArr[] ArrCat iArr1[], iArr2[]
>   concatenate two arrays
> ArrElCnt   : iFound ArrElCnt iNeedle, iInArr[]
>   count the instances of an element in an array
> ArrElIn    : iRes ArrElIn iEl, iArr[]
>   report wheter an element is in an array or not
> ArrPermRnd : iOutArr[] ArrPermRnd iInArr[] [, iN]
>   randomly permute an array (SC: scramble)
> ArrPermRnd2: iOutArr[] ArrPermRnd2 iInArr[] [, iStart [, iEnd]]
>   randomly permute a slice of an array
> ArrPermRndIndx: iOutArr[] ArrPermRndIndx iInArr[] [, iN]
>   randomly permute the indices of an array
> ArrPldrm   : iOutArr[] ArrPldrm iInArr[] [,iOpt]
>   creates a palindrome (SC: mirror)
> ArrRmDup   : iOutArr[] ArrRmDup iInArr[]
>   remove duplicate elements of an array
> ArrRmEl    : iOutArr[] ArrRmEl iInArr[], iEl
>   remove a specified element of an array
> ArrRmIndx  : iOutArr[] ArrRmIndx iInArr[], iIndx
>   remove a specified index of an array
> ArrRndEl   : iEl ArrRndEl iInArr[] [, iStart [, iEnd]]
>   return a random element of an array
> ArrRtt     : iOutArr[] ArrRtt iInArr[] [,iRot]
>   rotate an array
> ArrRvrs    : iOutArr[] ArrRvrs iInArr[]
>   reverse of an array
> ArrSrt     : kOutArr[] ArrSrt kInArr[] [,iOutN [,kOutType ,[kStart
> [,kEnd [,kHop]]]]]
>   special sort of an array
>
> together with the opcodes lenarray, minarray, maxarry, sumarray,
> sorta(d), slicearray, scalearray, maparray, (de)interleave,
> get(set)row(col), and printarray (to view the content), we have now a
> nice collection to work with arrays, i think.
>
> the UDO collection can perhaps also show that it is really easy to write
> own functions, depending on the own needs.
>
> thanks for corrections and suggestions, and if you have own UDOs which
> you want to see here (as ArrElCnt by kevin welsh), just write me an 
> email -
>
> joachim
>
> Csound mailing list
> Csound@listserv.heanet.ie
> https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND
> Send bugs reports to
>        https://github.com/csound/csound/issues
> Discussions of bugs and features can be posted here
> 


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