A SpiceyPy user recently opened an issue (AndrewAnnex/SpiceyPy#473) to report that tkfram was returning a incorrectly transposed rotation matrix. I identified this issue to be due to the use of the direct c converted fortran spice functions and that the zzdynrot was also likely effected, while other similar fortran functions (irfrot etc) were not effected. After looking into this further, both zzdynrot and tkfram were added via a pull request to support ALE in 2019 AndrewAnnex/SpiceyPy#301, so this bug has been lurking in the codebase for a while.
I currently have a pull request AndrewAnnex/SpiceyPy#474 that includes the fixes, but this project should evaluate the degree to which they are impacted by this change.
A SpiceyPy user recently opened an issue (AndrewAnnex/SpiceyPy#473) to report that
tkframwas returning a incorrectly transposed rotation matrix. I identified this issue to be due to the use of the direct c converted fortran spice functions and that thezzdynrotwas also likely effected, while other similar fortran functions (irfrot etc) were not effected. After looking into this further, both zzdynrot and tkfram were added via a pull request to support ALE in 2019 AndrewAnnex/SpiceyPy#301, so this bug has been lurking in the codebase for a while.I currently have a pull request AndrewAnnex/SpiceyPy#474 that includes the fixes, but this project should evaluate the degree to which they are impacted by this change.