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The [ expr ] object can not be used in libpd. is it true?
  • jesijesi
    The [ expr ] object can not be used in libpd. is it true? 

    it logs out "Pd: error: ... couldn't create" in xcode :(
  • pbrinkmannpbrinkmann
    expr is an external that's not compiled into libpd by default. You'll need to add expr to your project. Instructions are here: https://github.com/libpd/pd-for-ios/wiki/ios You can find further details in my book.
  • jesijesi
    Thank you Peter!
    is the rev3~ a external too? I don't know how to add the rev3~ external to xcode, because I can't find the "rev3~.c" file in extra folder.
  • pbrinkmannpbrinkmann
    rev3~ is an abstraction, in libpd/pure-data/extra/rev3~.pd.  Just add it as a resource to your project, much like your patch, and make sure that libpd can find it.
  • ogsusogsus

    Hello, I just found out that some of my patches, although they are vanilla, won't work properly because there are some 'expr's for mathematical calculations (like 'expr (($f1 / 100) + 1) * $f2') included. If I want to bring my app to the Apple store, did I understood that right, I should not use expr at all, even not the way described in the book, page 100? So I better replace all expr calculations with standard calculations?

  • danomatikadanomatika

    [expr]/[expr~] use the GPL which is not compatible with the Apple App Store. Yes, you're right in that it's easiest to change your existing patches to use regular math instead of [expr].

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