simd_matrix4x4(_:) Returns a new matrix with the specified quarternion. Declarationfunc simd_matrix4x4(_ q: simd_quatd) -> simd_double4x4 See AlsoMatrix Creation Functionssimd_matrix(_:_:_:_:)simd_matrix_from_rows(_:_:_:_:)matrix_from_rows(_:_:_:_:)