[PD] Expr V0.5-alpha

[Matt Barber]

Any iterator should be over a range, not the whole array.

On Sat, Feb 6, 2016 at 11:52 AM, Jonathan Wilkes via Pd-list <
pd-list at lists.iem.at> wrote:

> Also-- since you have assignment operator now, would it make sense to have
> an iterator function for garrays?
>
> Something like:
> iterate(array_name, expression), where expression is evaluated for each
> element of the array.  Maybe an i() function to get the iteration
> number.
>
> -Jonathan
>
>
> On Saturday, February 6, 2016 10:48 AM, Jonathan Wilkes <
> jancsika at yahoo.com> wrote:
>
>
> Also, since you mentioned documentation:
> https://github.com/pd-l2ork/pd/blob/master/doc/pddp/expr-help.pd
> https://github.com/pd-l2ork/pd/blob/master/doc/pddp/expr%7E-help.pd
> https://github.com/pd-l2ork/pd/blob/master/doc/pddp/fexpr%7E-help.pd
>
> https://github.com/pd-l2ork/pd/blob/master/doc/pddp/all_about_expr_and_value.pd
>
> https://github.com/pd-l2ork/pd/blob/master/doc/pddp/all_about_expr_functions.pd
> https://github.com/pd-l2ork/pd/blob/master/doc/pddp/all_about_expr_if.pd
>
> https://github.com/pd-l2ork/pd/blob/master/doc/pddp/all_about_expr_multiline.pd
>
> -Jonathan
>
>
> On Friday, February 5, 2016 8:45 PM, Jonathan Wilkes via Pd-list <
> pd-list at lists.iem.at> wrote:
>
>
> Sounds great!
>
>
> On Friday, February 5, 2016 8:37 PM, Shahrokh Yadegari <sdy at ucsd.edu>
> wrote:
>
>
> Dear All,
>
> Attached is a pre-release of Expr 0.5 compiled for Mac os x (compiled on
> 10.9) and Linux (compiled on an older Cent OS). I have also attached
> Alexandre's big pd patch which listed the issues, with my comments.
>
> Hopefully I have addressed most of the issues that were brought up and now
> I am working on a more complete documentation of Expr objects. One open
> issue is that expr still supports no more than 10 expressions.
>
> I have provided a mechanism for local variables and abstraction
> substitutions ($0 and $1, $2, etc.) to work. Also, one hopefully useful new
> feature in V0.5 is the assign  '='  operator. Now you can use expr to
> assign to "value"s and into arrays. So if you have a variable called 'count'
>
> "value count"
>
> "expr count = count + 1"
>
> will implement a counter, raising the value of count with every "bang"
>
> You can also change values of arrays through the usual syntax.
>
> "expr array1[5] = $f1"
>
> will set the sixth value (counting zero based) of the array "array1" to
> the incoming float value on inlet 1.
>
> I will write a more informative and comprehensive release notes along with
> the documentation when I pass the sources to Miller. However, I have made a
> few changes to the parser and I am looking for alpha-testers who can run
> the code and let me know if any bugs are found, specially in parsing of
> complex expressions.
>
> I look forward to hearing from whoever uses these objects. Please let me
> know if you find any bugs. (NOTE: you need to create the links for expr and
> fexpr~ to get the new version for those as well.)
>
> cheers,
> Shahrokh
>
>
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