This is kind of a follow-on from Eduardo's post about immutable strings but would it be a lot of work to allow arrays of channel names to be passed to chnget? i.e, 

SChannels init 3

SChannels[0] = "gain"

SChannels[0] = "freq" 

SChannels[0] = "bling"   

kChannelData[] chnget SChannels

This would allow people to use check multiple channels with a single chnget, without the need for k-rate strings?  

 

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Is this what you are talking about?

chnset(1, "gain")

chnset(2, "freq")
chnset(3, "bling")


opcode rory_chnget, k[], S[]
  Svals[] xin
  ilen = lenarray(Svals)
  kout[] init ilen
  indx = 0
  while (indx < ilen) do
    kout[indx] init chnget:i(Svals[indx])
    indx += 1
  od
  xout kout
endop
 
gkvals[] = rory_chnget(fillarray("gain", "freq", "bling"))
print i(gkvals, 0)
print i(gkvals, 1)
print i(gkvals, 2)

On Thu, Nov 7, 2019 at 8:44 AM Rory Walsh <rorywalsh@ear.ie> wrote:

This is kind of a follow-on from Eduardo's post about immutable strings but would it be a lot of work to allow arrays of channel names to be passed to chnget? i.e, 

SChannels init 3

SChannels[0] = "gain"

SChannels[0] = "freq" 

SChannels[0] = "bling"   

kChannelData[] chnget SChannels

This would allow people to use check multiple channels with a single chnget, without the need for k-rate strings?  

 

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No, because it doesn't work at run time. 

On Thu, 7 Nov 2019 at 14:57, Steven Yi <stevenyi@gmail.com> wrote:

Is this what you are talking about?

chnset(1, "gain")

chnset(2, "freq")
chnset(3, "bling")


opcode rory_chnget, k[], S[]
  Svals[] xin
  ilen = lenarray(Svals)
  kout[] init ilen
  indx = 0
  while (indx < ilen) do
    kout[indx] init chnget:i(Svals[indx])
    indx += 1
  od
  xout kout
endop
 
gkvals[] = rory_chnget(fillarray("gain", "freq", "bling"))
print i(gkvals, 0)
print i(gkvals, 1)
print i(gkvals, 2)

On Thu, Nov 7, 2019 at 8:44 AM Rory Walsh <rorywalsh@ear.ie> wrote:

This is kind of a follow-on from Eduardo's post about immutable strings but would it be a lot of work to allow arrays of channel names to be passed to chnget? i.e, 

SChannels init 3

SChannels[0] = "gain"

SChannels[0] = "freq" 

SChannels[0] = "bling"   

kChannelData[] chnget SChannels

This would allow people to use check multiple channels with a single chnget, without the need for k-rate strings?  

 

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One could probably do it with a recursive UDO. But still, I think it would be nice to have a way to do it out of the box. 

On Thu, 7 Nov 2019 at 15:05, Rory Walsh <rorywalsh@ear.ie> wrote:

No, because it doesn't work at run time. 

On Thu, 7 Nov 2019 at 14:57, Steven Yi <stevenyi@gmail.com> wrote:

Is this what you are talking about?

chnset(1, "gain")

chnset(2, "freq")
chnset(3, "bling")


opcode rory_chnget, k[], S[]
  Svals[] xin
  ilen = lenarray(Svals)
  kout[] init ilen
  indx = 0
  while (indx < ilen) do
    kout[indx] init chnget:i(Svals[indx])
    indx += 1
  od
  xout kout
endop
 
gkvals[] = rory_chnget(fillarray("gain", "freq", "bling"))
print i(gkvals, 0)
print i(gkvals, 1)
print i(gkvals, 2)

On Thu, Nov 7, 2019 at 8:44 AM Rory Walsh <rorywalsh@ear.ie> wrote:

This is kind of a follow-on from Eduardo's post about immutable strings but would it be a lot of work to allow arrays of channel names to be passed to chnget? i.e, 

SChannels init 3

SChannels[0] = "gain"

SChannels[0] = "freq" 

SChannels[0] = "bling"   

kChannelData[] chnget SChannels

This would allow people to use check multiple channels with a single chnget, without the need for k-rate strings?  

 

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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I think it can be done recursively.
========================
Prof. Victor Lazzarini
Maynooth University
Ireland

> On 7 Nov 2019, at 15:20, Steven Yi <stevenyi@gmail.com> wrote:
>
> Okay, file an issue for a new opcode that takes in S[] and outputs k[] and updates at perf-time. (I can't think of an efficient way to do it with user-code with CS6.)
>
> On Thu, Nov 7, 2019 at 10:08 AM Rory Walsh <rorywalsh@ear.ie> wrote:
> One could probably do it with a recursive UDO. But still, I think it would be nice to have a way to do it out of the box.
>
> On Thu, 7 Nov 2019 at 15:05, Rory Walsh <rorywalsh@ear.ie> wrote:
> No, because it doesn't work at run time.
>
> On Thu, 7 Nov 2019 at 14:57, Steven Yi <stevenyi@gmail.com> wrote:
> Is this what you are talking about?
>
> chnset(1, "gain")
> chnset(2, "freq")
> chnset(3, "bling")
>
>
> opcode rory_chnget, k[], S[]
>   Svals[] xin
>   ilen = lenarray(Svals)
>   kout[] init ilen
>   indx = 0
>   while (indx < ilen) do
>     kout[indx] init chnget:i(Svals[indx])
>     indx += 1
>   od
>   xout kout
> endop
>   
> gkvals[] = rory_chnget(fillarray("gain", "freq", "bling"))
> print i(gkvals, 0)
> print i(gkvals, 1)
> print i(gkvals, 2)
>
>
>
> On Thu, Nov 7, 2019 at 8:44 AM Rory Walsh <rorywalsh@ear.ie> wrote:
> This is kind of a follow-on from Eduardo's post about immutable strings but would it be a lot of work to allow arrays of channel names to be passed to chnget? i.e,
>
> SChannels init 3
> SChannels[0] = "gain"
> SChannels[0] = "freq"
> SChannels[0] = "bling"   
>
> kChannelData[] chnget SChannels
>
> This would allow people to use check multiple channels with a single chnget, without the need for k-rate strings? 
>
> 
> 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
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