nasa/cml

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The Common Model Library. CML provides a collection of generic, verified, validated, and reusable C++ models of spacecraft that are compatible with NASA's Trick Simulation Environment.

Stars: 13
Forks: 6
Open beginner issues: 0
Indexed issues: 36
Avg merge: 2d 16h
Merged PRs (30d): 11

Dominant language: C++
License: No license data
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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36 open issues indexed

Create Generic RCS model tests Open

enhancement

nasa/cml#113 · 1 assignee · Opened Sep 17, 2026
Mean Sea Level model follow-up tasks Open

enhancement new model

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nasa/cml#112 · Opened Sep 17, 2026
Completely refactor the vent model Open

enhancement infrastructure

Difficulty 5/5 Over a week Newbie friendliness 30/100

nasa/cml#107 · Opened Sep 12, 2026
Separate Structural Dry Mass and Residual Wet Mass in DynamicMassBody Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

nasa/cml#101 · Opened Sep 9, 2026
DRWP Atmos binary utilities have insufficient documentation Open

documentation infrastructure

Difficulty 4/5 3-5 days Newbie friendliness 38/100

nasa/cml#99 · Opened Sep 8, 2026
Create radian and degree conversion functions Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

nasa/cml#98 · Opened Sep 8, 2026
Convert applicable functions to static Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

nasa/cml#97 · Opened Sep 4, 2026
Remove everything marked deprecated Open

enhancement infrastructure

Difficulty 3/5 1-2 days Newbie friendliness 35/100

nasa/cml#96 · Opened Sep 4, 2026
Create polynomial class Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

nasa/cml#95 · Opened Sep 4, 2026
Gravity fidelity manager should use new JEOD interface Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

nasa/cml#92 · Opened Sep 2, 2026
Stop using reserved identifiers Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

nasa/cml#87 · Opened Aug 28, 2026
Step up to C++20 Open

enhancement infrastructure

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nasa/cml#86 · Opened Aug 28, 2026
Use Rocky Linux 9 for CI Open

infrastructure

Difficulty 3/5 1-2 days Newbie friendliness 55/100

nasa/cml#85 · Opened Aug 28, 2026
Replace void casts with [[maybe_unused]] Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

nasa/cml#81 · Opened Aug 16, 2026
Move unit test framework expand env vars function to the env utils model Open

infrastructure

Difficulty 3/5 1-2 days Newbie friendliness 50/100

nasa/cml#80 · Opened Aug 16, 2026
Remove deprecated methods in DRWP Atmos model Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

nasa/cml#79 · Opened Aug 16, 2026
Convert String model should use C++ interfaces Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

nasa/cml#78 · 1 comment · Opened Aug 16, 2026
Get unit tests working with JEOD Open

infrastructure

nasa/cml#75 · 1 assignee · Opened Aug 12, 2026
Clean up defaulted child class destructors Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

nasa/cml#73 · Opened Aug 6, 2026
Deprecate fault arch model Open

infrastructure

Difficulty 3/5 1-2 days Newbie friendliness 38/100

nasa/cml#72 · Opened Jul 31, 2026
Evaluate C interfaces that can be removed Open

documentation enhancement

nasa/cml#69 · 1 assignee · Opened Jul 23, 2026
Quaternion spherical interpolation should use JEOD slerp function Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

nasa/cml#61 · 3 comments · Opened Jul 22, 2026
Add weekly test against bleeding edge Trick and JEOD Open

enhancement infrastructure

Difficulty 4/5 3-5 days Newbie friendliness 48/100

nasa/cml#59 · Opened Jul 21, 2026
Remove models directory from unit test Open

enhancement infrastructure

Difficulty 1/5 Under an hour Newbie friendliness 82/100

nasa/cml#58 · Opened Jul 21, 2026
Remove CPP from table interpolation model name Open

documentation enhancement infrastructure

Difficulty 1/5 Under an hour Newbie friendliness 65/100

nasa/cml#57 · Opened Jul 21, 2026
Add configuration for effective vs actual on times in RcsJet minimum on and off time checks Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

nasa/cml#53 · 1 comment · Opened Jul 17, 2026
Eclipse calculator model should handle arbitrary celestial bodies Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

nasa/cml#43 · Opened Jul 13, 2026
Standardize file naming conventions Open

enhancement infrastructure

nasa/cml#40 · 1 assignee · Opened Jul 9, 2026
Stop including from above CML and JEOD roots Open

enhancement infrastructure

Difficulty 4/5 3-5 days Newbie friendliness 45/100

nasa/cml#39 · Opened Jul 9, 2026
Fix overloaded virtual functions Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 38/100

nasa/cml#27 · Opened Jul 1, 2026
Add divide-by-zero protection in RCS Generic Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 66/100

nasa/cml#12 · Opened Jun 23, 2026
Remove deprecated state initialize input options Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 67/100

nasa/cml#11 · Opened Jun 23, 2026
Move C++ code to the cml namespace Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

nasa/cml#10 · Opened Jun 22, 2026
Apply standard C and C++ format Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 58/100

nasa/cml#9 · Opened Jun 22, 2026
Add Python linting to CI Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

nasa/cml#7 · Opened Jun 22, 2026
Use Ruff to format all Python files Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

nasa/cml#6 · Opened Jun 22, 2026

nasa/cml

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