There’s still a warning on file Command.cc <http://system.cc/>, on macOS:
g++ -DHAVE_CONFIG_H -I. -I.. -Wall -I sql -I /Users/admin/Subversion/apl
-I/opt/local/include -I /Users/admin/Subversion/apl -MT apl-Command.o -MD
-MP -MF .deps/apl-Command.Tpo -c -o apl-Command.o `test -f 'Command.cc' || echo
'./'`Command.cc
Command.cc:2189:46: warning: expression result unused [-Wunused-value]
if (c == 0) command_name[c] != ']' && command_name[c] != ')';
~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
> On Sep 21, 2022, at 14:43, Dr. Jürgen Sauermann
> <m...@xn--jrgen-sauermann-zvb.de> wrote:
>
> Hi Christian,
>
> thanks, fixed in SVN 1590.
>
> Best Regards,
> Jürgen
>
>
> On 9/21/22 8:04 PM, Christian Robert wrote:
>> There are two comments that start with "/" rather than "//"
>>
>> Xtian.
>>
>>
>> Quad_PNG.cc:865:1: error: expected unqualified-id before ‘/’ token
>> 865 |
>> /----------------------------------------------------------------------------
>> | ^
>> Quad_PNG.cc:886:1: error: expected unqualified-id before ‘/’ token
>> 886 |
>> /-----------------------------------------------------------------------------
>> | ^
>> Quad_PNG.cc:51:12: warning: ‘verbosity’ defined but not used
>> [-Wunused-variable]
>> 51 | static int verbosity = SHOW_NONE;
>> | ^~~~~~~~~
>> make[3]: *** [Makefile:4374: apl-Quad_PNG.o] Error 1
>> make[3]: *** Waiting for unfinished jobs....
>> mv -f .deps/apl-UserPreferences.Tpo .deps/apl-UserPreferences.Po
>> make[3]: Leaving directory '/home/xtian/gnuapl/src'
>> make[2]: *** [Makefile:5010: all-recursive] Error 1
>> make[2]: Leaving directory '/home/xtian/gnuapl/src'
>> make[1]: *** [Makefile:537: all-recursive] Error 1
>> make[1]: Leaving directory '/home/xtian/gnuapl'
>> make: *** [Makefile:425: all] Error 2
>> [xtian@fedora:/home/xtian/gnuapl] $
>>
>>
>> On 2022-09-21 07:49, Dr. Jürgen Sauermann wrote:
>>> Hi,
>>>
>>> I would like to announce a new GNU APL feature: ⎕PNG
>>>
>>> PNG stands for "Portable Network Graphics" and is a file format,
>>> standardized
>>> in RFC 2083, for (still) images that is, among several other use cases,
>>> also
>>> directly understood by web browsers.
>>>
>>> Unlike some of the other image file formats around, the PNG file format
>>> has no strings attached, such as patents or copyrights. This was one of the
>>> reasons for choosing it in GNU APL.
>>>
>>> While APL appears to be the perfect choice for manipulating the large pixel
>>> arrays of images, this is not the case for the files on disc from which the
>>> pixel
>>> arrays are read or eventually stored. ⎕PNG tries to close this gap.
>>>
>>> *⎕PNG* is comprised of three simple sub-function for:
>>>
>>> 1. reading a *.png* file into an APL array of pixels,
>>> 2. displaying such an array in a GTK window on the screen, and
>>> 3. writing a (supposedly somehow manipulated) pixel array into a *.png*
>>> file.
>>>
>>> The main work in the conversions above is actually provided by *libpng*
>>> (see
>>> www.libpng.org <http://www.libpng.org/> <www.libpng.org
>>> <http://www.libpng.org/>>) therefore ⎕PNG is merely a lightweight wrapper
>>> around
>>> *libpng*. ⎕PNG is supposed to support all file variants (colour and
>>> grayscale,
>>> different pixel resolutions from 1 to 16 bits, with or without alpha
>>> channel),
>>> on input and most (= all but pixel arrays using colour palettes) on output.
>>>
>>> *SVN 1589*, see also i*nfo apl* section 2.32 for details.
>>>
>>> Enjoy,
>>> Jürgen
>>>
>>>
>>>
>>
>
---
Louis Chrétien
lchret...@mac.com
