Some OSX details:OS X El CapitanVersion 10.11.2 Samples of the errors using /usr/bin/gcc or usr/bin/clang are: pdp_imageproc_portable.c:594:38: error: function definition is not allowed here double mapx(double _x, double _y){return cx + izx * ( c * (_x-cx) + ... pdp_imageproc_portable.c:595:38: error: function definition is not allowed here double mapy(double _x, double _y){return cy + izy * (-s * (_x-cx) + ...
I found this while getting the GUI port up and running on OSX. If anybody still uses PDP and wants to update this code to compile on OSX, let me know and I'll apply the patch(es). -Jonathan
On Saturday, February 20, 2016 3:05 PM, Jonathan Wilkes via Pd-list pd-list@lists.iem.at wrote:
(i remember having troubles with those functions on other
compilers...but it's been years :-)) Presently it fails to compile under OSX. It's a fairly recent mac air-- I don't have the specs atm but I'll check and post later. -Jonathan
On Saturday, February 20, 2016 2:36 PM, IOhannes m zmölnig <zmoelnig@iem.at> wrote:
On 02/19/2016 09:37 PM, Jonathan Wilkes via Pd-list wrote:
Hi List, Line 593 of pdp_imageproc_portable.c: /* affine x, y mappings in screen coordinates */ double mapx(double _x, double _y){return cx + izx * ( c * (_x-cx) + s * (_y-cy));} double mapy(double _x, double _y){return cy + izy * (-s * (_x-cx) + c * (_y-cy));}
These lines are found _inside_ a function called pdp_imageproc_resample_affinemap_process.
there's nothing (much) wrong with it: nested functions are a gcc extension. (i remember having troubles with those functions on other compilers...but it's been years :-))
It's fun to focus on the substring "portable.c", and just read these lines a few times. :)
"portable" means different things to different people.
for you it seems to refer to usability on multiple operating-systems and compilers. it could also have referred to the file-size (pdp_imageproc_portable.c easily fits on a floppy). knowing tom a bit, it's most likely that this is about portability between multiple architectures all running linux (and looking at the other files nearby this is very much the case - as the "portable" code is opposed to code explictely using i586 instructions)
gmasrd IOhannes
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