Nugget - Using control references

[tst]

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@JeanPierre wrote:

And unfortunately, the last time I checked the recursion chain A_VI >> B_VI >> A_VI is not allowed

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8.5 has native recursion for LVOOP VIs (I think it's dynamic dispatch ones, but I'm not sure). It might be able to handle that as well.

P.S. Tomi, yes, I was actually thinking as well that this might be a good candidate for learning LVOOP.

[JeanPierre]

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@Ben wrote:

Thank you once again JPD.

You wrote;

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And unfortunately, the last time I checked the recursion chain A_VI >> B_VI >> A_VI is not allowed, only A_VI >> A_VI >> A_VI is possible.

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Well I did not know that, so I did exactly that in the example I posted (provided the data structure calls for it).

I have also tested doing A >>> B >>> A >>> B as far I was willing to test it.

I have single stepped it through those calls (in LV 8.2.1) to verify it is doing exactly that.

Warning:

Do NOT abort a VI while single stepping into recursive calls. LV will hang forever if you do. Better to get out of the calls and then abort.

Ben

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OK the last time I checked was with LV7.1. I checked with LV8.2 and LV8.5 and now it works (at least to 10 levels). See my signature....

[Ben]

" I checked with LV8.2 and LV8.5 and now it works (at least to 10 levels). "

Cool!

I don't remember seeing this change in a release note but without that functionality, this example would not have worked.

Don't you love when NI throws in functionality we need before we need it? 

Ben

[JeanPierre]

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@Ben wrote:

Don't you love when NI throws in functionality we need before we need it?

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You speak for yourself...

[Ray.R]

It's good to see you back JP!

Drop by more often..  🙂

Good comments on the nugget.  Thanks!

[Ben]

For a related thread on LAVA see here where you will find that Yair (also known as "tst" and "Yen" ) has taken some of the above methods as a starting point and has managed to back-save for LV 7.

Ben

[tst]

Just to clarify, what I backsaved was MGI's version. Originally, it used 8.x only features, but I replaced some of them with some of the OpenG code. The result is considerably faster than the current OpenG code (I've seen improvement by factors of ~20 to ~100).

Important note - what I posted on LAVA is NOT production level code. It was just a proof of concept. It works, but will fail to operate correctly under any number of circumstances.

[wildcatherder]

These are all wonderfully meaty nuggets that directly address my application.

Thank you. 

[Ben]

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wildcatherder wrote:

These are all wonderfully meaty nuggets that directly address my application.

Thank you. 

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I am very glad it helped Wild!

Ben

[doyles]

I updated this to include some of the above suggestions and adapted it to use TDMS versus config files here.