[Csnd] define twodimensional i-array

The Csound Mailinglist
1

Hi!

Is there a good way to define a 2-mentional array like in python/:

myArray = [ [1,2,3], [4,5,6] ]

I tried:

giInputChannels[][] init 4, 3 ; define left, right and inputs
giArr[] fillarray 1, 2,3
giInputChannels setrow 0, giArr;

also

giInputChannels[0] = giArr

and

giInputChannels[0] fillarray 1,2,3

But none of them work, giving and error error like

unable to find opcode entry for … with matching argument types

anks!

tarmo

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

2

Hi Tarmo,

You have just switched the order of arguments for setrow

This works
giInputChannels setrow giArr, 0

try this:
giInputChannels init 4, 3
printarray(giInputChannels)
giArr fillarray 1, 2,3
giInputChannels setrow giArr, 0
printarray(giInputChannels)

all best
Øyvind

man. 24. okt. 2022 kl. 11:48 skrev Tarmo Johannes <trmjhnns@gmail.com>:

Hi!

Is there a good way to define a 2-mentional array like in python/:

myArray = [ [1,2,3], [4,5,6] ]

I tried:

giInputChannels init 4, 3 ; define left, right and inputs
giArr fillarray 1, 2,3
giInputChannels setrow 0, giArr;

also

giInputChannels[0] = giArr

and

giInputChannels[0] fillarray 1,2,3

But none of them work, giving and error error like

unable to find opcode entry for … with matching argument types

anks!

tarmo

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

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

3

Thanks, Øyvind!

True, I was reading manual too quickly and go confused, which is which:

i/kout setrow i/kin,i/krow

Best!
Tarmo

Kontakt Oeyvind Brandtsegg (<obrandts@gmail.com>) kirjutas kuupäeval E, 24. oktoober 2022 kell 12:57:

Hi Tarmo,

You have just switched the order of arguments for setrow

This works
giInputChannels setrow giArr, 0

try this:
giInputChannels init 4, 3
printarray(giInputChannels)
giArr fillarray 1, 2,3
giInputChannels setrow giArr, 0
printarray(giInputChannels)

all best
Øyvind

man. 24. okt. 2022 kl. 11:48 skrev Tarmo Johannes <trmjhnns@gmail.com>:

Hi!

Is there a good way to define a 2-mentional array like in python/:

myArray = [ [1,2,3], [4,5,6] ]

I tried:

giInputChannels init 4, 3 ; define left, right and inputs
giArr fillarray 1, 2,3
giInputChannels setrow 0, giArr;

also

giInputChannels[0] = giArr

and

giInputChannels[0] fillarray 1,2,3

But none of them work, giving and error error like

unable to find opcode entry for … with matching argument types

anks!

tarmo

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

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

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

4

Fillarray is oblivious to the shape of the array so the way to define a 2D array is:



ixs[][] init 4, 3

ixs fillarray 0, 1, 2, \

              3, 4, 5, \

              6, 7, 8, \

              9, 10, 11
5

yes; this is also mentioned in

6

I think there's array literal syntax in cs7 branch, but I'm unsure if
it works for multidimensional arrays.

7

btw, 7.0 is in the develop branch, just to be clear. There's a cs7 branch but that's stale.

Prof. Victor Lazzarini
Maynooth University
Ireland