MassMatrix3 Python interface

[ahcorde]

Signed-off-by: ahcorde [email protected]

🎉 New feature

Summary

Added MassMatrix3 Python interface.

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

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[ahcorde]

it Requires #251

[codecov]

Codecov Report

Merging #260 (ece3c29) into ign-math6 (000ab21) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           ign-math6     #260   +/-   ##
==========================================
  Coverage      99.41%   99.41%           
==========================================
  Files             67       67           
  Lines           6374     6374           
==========================================
  Hits            6337     6337           
  Misses            37       37           

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approved the wrong PR

[ahcorde]

approved the wrong PR

Is there something wrong here ?

[scpeters]

approved the wrong PR

Is there something wrong here ?

no I just haven't reviewed it yet

[scpeters]

it looks like some of the C++ test comments are out of date, but I won't block on that

[osrf-triage]

This pull request has been mentioned on Gazebo Community. There might be relevant details there:

https://community.gazebosim.org/t/new-ignition-releases-2022-03-01-citadel-edifice-fortress/1313/1