-- Rotations of ℝ³: the group SO3, its action on the unit sphere, the two -- generating rotations, and the freeness of the words in them -- Part of Cumulus, the Grace17 mathematics library. -- Copyright (c) 2026 Grant Passmore. -- Released under the Apache License 2.0. See LICENSE in the repository root. -- Authors: Grant Passmore module Grace.Cumulus.Rotation import Freeness import Determinant