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* Take a look at https://gnu-octave.github.io/packages/ if you would like to work on some package there.
* Take a look at https://gnu-octave.github.io/packages/ if you would like to work on some package there.


=== Easy Closes ===
== Easy Closes ==
Below is a non exhaustive list of bugs which should be looked at and appear to be easy
Status (working from oldest stopped at 51317 aka items 1001-1050)
Notes:
*From this range ~5% could be closed
*The last full scrub came from hardy for v4.2
*Suspect many of the plotting and java bugs could be closed.


{| class="wikitable"  
{| class="wikitable"  
Line 33: Line 39:
! bug !! bug title !! status
! bug !! bug title !! status
|-
|-
| {{bug|32839}} || pkg build/install does not work with directories || OP states to close
| {{bug|36954}} || datenum / datevec convert date-time string incorrectly during hour lost to DST || siko1056 suggests closing as won't fix
|-
|-
| {{bug|36954}} || datenum / datevec convert date-time string incorrectly during hour lost to DST || siko1056 suggests closing as won't fix
| {{bug|39243}} || patch {x,y,z,c}data properties are not independent || hardy states original issue seems to be FIXED now
|-
| {{bug|39249}} ||imread and 32 bit (float) TIFF images || rik5 suggested closing
|-
| {{bug|40357}} ||OOM when converting from sparse double to sparse logical|| hardy thinks this might be a DUPLICATE
|-
| {{bug|41661}} || [octave forge] (generate_html) generate_package_html page header contains wrong links || cdf (OP) asks this item still relevant
|-  
| {{bug|41674}} || [octave forge] (image) reduce memory footprint of imresize|| nrjank suggests the bug has largely been solved (reduced 3x) by other changes on the default branch and the report could be closed unless further improvement (which would have to be done to imremap) is possible.
|-
| {{bug|42118}} || COW memory issues when extracting small slices from large arrays||rik5 isn't worth the maintenance burden
|-
| {{bug|42282}} || overloaded vertcat fails if some rows contain only built-in types|| cmb suggests this is a DUPLICATE
|-
| {{bug|43327}} || dir function is too slow|| siko1056 suggests to close as won't fix.
|-
| {{bug|43717}} || rats LEN Matlab incompatibility|| riks states wouldn't bother to fix this as Octave's solution seems better.
|-
| {{bug|44130}} || [octave forge] (statistics) mvncdf outputs different results for same input parameters || mangosauce35 states not a bug but a matter of precision
|-
| {{bug|44971}} || [octave forge] (generate_html) fails to generate "See also" hyperlinks|| jbect questions if it is a DUPLICATE
|-
| {{bug|45166}} || [octave forge] (communications) typos in function docstrings || appears can be closed
|-
| {{bug|45390}} || [octave forge] (communications) finddelay function|| appears can be closed
|-
| {{bug|45404}} || Breakpoints cannot be set in classdef methods or +package function files|| jwe suggest closing this
|-
| {{bug|45650}} || [octave forge] (communications) 'fmmod.m' help does not mention its last parameter (freqdev) || appears can be closed
|-
| {{bug|45944}} || eig(X,'nobalance') does not exist in Octave vs. Matlab || nir_krakauer shows this has been implemented
|-
| {{bug|47496}} || Values in Workspace view are limited by 10 numbers || mtmiller states let's just call this won't fix
|-
| {{bug|47553}} || textscan Whitespace characters different from Matlab|| lachlan states You're welcome to close it
|-
| {{bug|48088}} || document that issquare, iscolumn, isempty, etc operate on cell arrays|| pot states this is probably good enough
|-
| {{bug|49072}} || assigning double arrays to cell arrays: matlab incompatibility? || mtmiller states may also be closed later as won't fix if no one reports any interest in working on this
|-
| {{bug|49091}} || MinGW std::acosh less accurate than Linux versions || rik5 states
This and {{bug|48312}} were supposed to be closed at the same time.
|-
| {{bug|49135}} || gnuplot: Default font must be set for "windows" terminal || rik5 states was implemented on stable branch prior to 4.2 and the default after
|-
| {{bug|49275}} || history_append: new boolean option to mimic bash "histappend" option || hardy states I think I will let it rest in peace.
|-
| {{bug|49360}} ||odeset lacks documentation for solver options || siko1056 on 28.09.2018 So maybe leave it open for another two years.
|-
| {{bug|53576}} || [octave forge] (symbolic) dsolve errors on sqrt coefficient|| cbm states should be fixed in the next sympy 1.4, can be closed
|-
| {{bug|54156}} || [octave forge] (communications) qfuncinv should use erfcinv instead of norminv || appears can be closed
|-
| {{bug|54679}} || datenum accepts a matrix, which is undocumented || apjanke provided a patch and phillipnienhuis states Documentation patches are really easy.
|-
| {{bug|55065}} || Implement uiopen and uisave || rik states they would be easy to implement
|-
| {{bug|58530}} || missing functions: xline() and yline() || rik states I can dust them off and add them to Octave.
|}
 
The equivalent suggestions for patches.
{| class="wikitable"
|-
|-
| {{bug|38134}} || [octave forge] (signal) bug in remez|| njank recommends closing
! patch !! patch title !! status
|-
|-
| {{bug|38297}} || [octave forge] (signal) bilinear not compatible with Matlab || rjank suggests this is resolved
| {{patch|7537}} || Handle matlab way to store cell arrays in hdf5 files.|| nrjank states otherwise close bug as a 'won't fix'
|-
|-
| {{bug|39243}} || patch {x,y,z,c}data properties are not independent || hardy states original issue seems to be FIXED now
| {{patch|9693}} || [octave forge] (signal) sos2ss: new function || mtmiller states on 2018.09.26 feel free to ping or push if it gets to be the end of October
|-
|-
|}
|}
A list of patch reports with attachments not marked "Done or Cancelled" can be viewed in the SavannaAPI, [https://octave.space/savannah/api.php?Action=get&Format=HTMLCSS&OrderBy=SubmittedOn&OpenClosed=open&TrackerID=patch&AttachedFiles!=0&Category!=Forge,website&Status!=Done,Cancelled sorted by oldest first] or [https://octave.space/savannah/api.php?Action=get&Format=HTMLCSS&OrderBy=LastComment&OpenClosed=open&TrackerID=patch&AttachedFiles!=0&Category!=Forge,website&Status!=Done,Cancelled sorted by "longest since last comment" first]. While some of these older submissions may still be viable and just need a patch refresh to the current code base, many will have become out of date or rendered inapplicable due to code or function changes, and could be closed as 'Wont Fix'.


== See also ==
== See also ==

Revision as of 16:55, 30 August 2021

This is a collection of small projects to start contributing to Octave. Projects of long duration are listed in the Projects page.
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If you never contributed to Octave before, we suggest to start with our Developer FAQ.

Review and fix existing bugs

  • Review bugs that catch your interest on the Octave bug tracker on GNU Savannah.
    • A modern interface to the Octave bug tracker is given by SavannahAPI.
  • Discuss with the developers there how to fix that bug or upload a patch there.
  • Some bugs have already patches attached.
    • Help testing those patches.
    • Help updating outdated patches to the latest development version (this requires some Mercurial knowledge).

Implement missing Matlab functions

Use the Savannah patch tracker for submissions unrelated to an existing bug.

Write Built-In Self Tests (BISTs)

Writing BISTs improves Octave's regression testing and ensures that we don't break anything when we add new features.

Work on Octave packages

Easy Closes

Below is a non exhaustive list of bugs which should be looked at and appear to be easy Status (working from oldest stopped at 51317 aka items 1001-1050) Notes:

  • From this range ~5% could be closed
  • The last full scrub came from hardy for v4.2
  • Suspect many of the plotting and java bugs could be closed.
bug bug title status
#36954 datenum / datevec convert date-time string incorrectly during hour lost to DST siko1056 suggests closing as won't fix
#39243 patch {x,y,z,c}data properties are not independent hardy states original issue seems to be FIXED now
#39249 imread and 32 bit (float) TIFF images rik5 suggested closing
#40357 OOM when converting from sparse double to sparse logical hardy thinks this might be a DUPLICATE
#41661 [octave forge] (generate_html) generate_package_html page header contains wrong links cdf (OP) asks this item still relevant
#41674 [octave forge] (image) reduce memory footprint of imresize nrjank suggests the bug has largely been solved (reduced 3x) by other changes on the default branch and the report could be closed unless further improvement (which would have to be done to imremap) is possible.
#42118 COW memory issues when extracting small slices from large arrays rik5 isn't worth the maintenance burden
#42282 overloaded vertcat fails if some rows contain only built-in types cmb suggests this is a DUPLICATE
#43327 dir function is too slow siko1056 suggests to close as won't fix.
#43717 rats LEN Matlab incompatibility riks states wouldn't bother to fix this as Octave's solution seems better.
#44130 [octave forge] (statistics) mvncdf outputs different results for same input parameters mangosauce35 states not a bug but a matter of precision
#44971 [octave forge] (generate_html) fails to generate "See also" hyperlinks jbect questions if it is a DUPLICATE
#45166 [octave forge] (communications) typos in function docstrings appears can be closed
#45390 [octave forge] (communications) finddelay function appears can be closed
#45404 Breakpoints cannot be set in classdef methods or +package function files jwe suggest closing this
#45650 [octave forge] (communications) 'fmmod.m' help does not mention its last parameter (freqdev) appears can be closed
#45944 eig(X,'nobalance') does not exist in Octave vs. Matlab nir_krakauer shows this has been implemented
#47496 Values in Workspace view are limited by 10 numbers mtmiller states let's just call this won't fix
#47553 textscan Whitespace characters different from Matlab lachlan states You're welcome to close it
#48088 document that issquare, iscolumn, isempty, etc operate on cell arrays pot states this is probably good enough
#49072 assigning double arrays to cell arrays: matlab incompatibility? mtmiller states may also be closed later as won't fix if no one reports any interest in working on this
#49091 MinGW std::acosh less accurate than Linux versions rik5 states

This and #48312 were supposed to be closed at the same time.

#49135 gnuplot: Default font must be set for "windows" terminal rik5 states was implemented on stable branch prior to 4.2 and the default after
#49275 history_append: new boolean option to mimic bash "histappend" option hardy states I think I will let it rest in peace.
#49360 odeset lacks documentation for solver options siko1056 on 28.09.2018 So maybe leave it open for another two years.
#53576 [octave forge] (symbolic) dsolve errors on sqrt coefficient cbm states should be fixed in the next sympy 1.4, can be closed
#54156 [octave forge] (communications) qfuncinv should use erfcinv instead of norminv appears can be closed
#54679 datenum accepts a matrix, which is undocumented apjanke provided a patch and phillipnienhuis states Documentation patches are really easy.
#55065 Implement uiopen and uisave rik states they would be easy to implement
#58530 missing functions: xline() and yline() rik states I can dust them off and add them to Octave.

The equivalent suggestions for patches.

patch patch title status
#7537 Handle matlab way to store cell arrays in hdf5 files. nrjank states otherwise close bug as a 'won't fix'
#9693 [octave forge] (signal) sos2ss: new function mtmiller states on 2018.09.26 feel free to ping or push if it gets to be the end of October

A list of patch reports with attachments not marked "Done or Cancelled" can be viewed in the SavannaAPI, sorted by oldest first or sorted by "longest since last comment" first. While some of these older submissions may still be viable and just need a patch refresh to the current code base, many will have become out of date or rendered inapplicable due to code or function changes, and could be closed as 'Wont Fix'.

See also