| // Copyright ©2018 The Gonum Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // Copyright 2017 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package quat |
| |
| func lift(v float64) Number { |
| return Number{Real: v} |
| } |
| |
| func split(q Number) (float64, Number) { |
| return q.Real, Number{Imag: q.Imag, Jmag: q.Jmag, Kmag: q.Kmag} |
| } |
| |
| func join(w float64, uv Number) Number { |
| uv.Real = w |
| return uv |
| } |
| |
| func unit(q Number) Number { |
| return Scale(1/Abs(q), q) |
| } |
