[paparazzi-commits] [paparazzi/paparazzi] e83643: Protect quat to euler conversion for NaN (#2580)

[Ewoud Smeur]

  Branch: refs/heads/master
  Home:   https://github.com/paparazzi/paparazzi
  Commit: e83643812c1bc4d31283b99e9b405c3defee66a1
      
https://github.com/paparazzi/paparazzi/commit/e83643812c1bc4d31283b99e9b405c3defee66a1
  Author: Ewoud Smeur <ewoud_smeur@msn.com>
  Date:   2020-09-14 (Mon, 14 Sep 2020)

  Changed paths:
    M sw/airborne/math/pprz_algebra_float.c
    M sw/airborne/math/pprz_algebra_int.c

  Log Message:
  -----------
  Protect quat to euler conversion for NaN (#2580)

If the quaternion is slightly off around +-90 degrees pitch, the result
might be a NaN if the asin is computed. Added bounds to make sure this
can never happen. The argument should not be outside [-1,1] anyway.