Files
sjy01-image-proc/vendor/gonum.org/v1/gonum/num/quat/util.go
2024-10-24 15:46:01 +08:00

27 lines
631 B
Go

// 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)
}