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Fix the segmentation fault in the CKF by limiting the minimum track momentum during reconstruction. An excessively large
qop
value can lead the stepper to issue invalid track parameters (containingnan
) duringevaluate_dqopds
andevaluate_dtds
leading to a crash of the navigator.TODO: Another source of such a track state seems to be from the Kalman Fitter in single precision with covariance inflation. Double precision seems to be fine, as is setting the inflation factor to 1 in single precision. Running in a debug build triggers an exception in the material_interactor that
qop
is zero. The source of this will need to be followed up (see also #944 )