Formal comment #121 (defect) Instances of acos are missing Reported by: Alan Watson Component: arithmetic Version: 5.91 Instances of acos are missing from the functions listed in 16.4 (flacos) and 16.6 (inexact-acos). RESPONSE: The `flacos' procedure will be added in the next revision of the report. The inexact-arithmetic library will be deleted in the next revision of the report; hence, this part of the comment will not apply anymore.