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* Use "units.h" from [http://www.gnu.org/software/units/ GNU units] in [http://octave.sourceforge.net/miscellaneous/function/units.html function units] (from the Octave-Forge [http://octave.sourceforge.net/miscellaneous/ miscellaneous package]) rather than making a system call and parsing its output (and having to handle multiple versions of it). This change will make it much more robust. It likely will alleviate the requirement of having [http://www.gnu.org/software/units/ GNU units] installed in the system separately by the user. This requires knowledge of C (units is written on C) and C++ to write its Octave interface. It can be very easy if the units.h truly allows to be used as library or maybe impossible if it does not. This has not been investigated yet. | * Use "units.h" from [http://www.gnu.org/software/units/ GNU units] in [http://octave.sourceforge.net/miscellaneous/function/units.html function units] (from the Octave-Forge [http://octave.sourceforge.net/miscellaneous/ miscellaneous package]) rather than making a system call and parsing its output (and having to handle multiple versions of it). This change will make it much more robust. It likely will alleviate the requirement of having [http://www.gnu.org/software/units/ GNU units] installed in the system separately by the user. This requires knowledge of C (units is written on C) and C++ to write its Octave interface. It can be very easy if the units.h truly allows to be used as library or maybe impossible if it does not. This has not been investigated yet. | ||
* Write | * Write self-tests for a function [[Files missing tests|missing test]]; see also [[Projects#Tests]]. | ||
* Use non-empty identifiers in all warnings and errors issued by Octave; see {{bug|39439}}, {{bug|39434}}, {{bug|37559}}, {{bug|36861}}. You may tackle as many or as few IDs as you have time for. As it is a widespread issue, finding occurrences in the source code should give you valuable knowledge about the Octave files | * Use non-empty identifiers in all warnings and errors issued by Octave; see {{bug|39439}}, {{bug|39434}}, {{bug|37559}}, {{bug|36861}}. You may tackle as many or as few IDs as you have time for. As it is a widespread issue, finding occurrences in the source code should give you valuable knowledge about the way Octave files are organized. | ||
** When raising errors and warnings try to use the ids that are documented in the functions [http://octave.sourceforge.net/octave/function/warning_ids.html warning_ids] and [http://octave.sourceforge.net/octave/function/error_ids.html error_ids]. If you really need a new id (please, first read the ones already there!), please add it to those functions as well. If you see other ids used in core that are not given by the functions mentioned above, please, report or submit patch for them, in addition to the patch to the calling functions as well. | ** When raising errors and warnings try to use the ids that are documented in the functions [http://octave.sourceforge.net/octave/function/warning_ids.html warning_ids] and [http://octave.sourceforge.net/octave/function/error_ids.html error_ids]. If you really need a new id (please, first read the ones already there!), please add it to those functions as well. If you see other ids used in core that are not given by the functions mentioned above, please, report or submit patch for them, in addition to the patch to the calling functions as well. | ||