Compute the angle of the line joining the two WDs with respect to the x-axis and print it to the diagnostic output. One use for this is for circular orbit tests in the inertial frame, to check whether the stars have returned to their original axis when you think they should.
Compute the angle of the line joining the two WDs with respect to the x-axis and print it to the diagnostic output. One use for this is for circular orbit tests in the inertial frame, to check whether the stars have returned to their original axis when you think they should.

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