23 lines
751 B
Go
23 lines
751 B
Go
// Copyright ©2018 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package quat
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import "math"
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// IsInf returns true if any of real(q), imag(q), jmag(q), or kmag(q) is an infinity.
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func IsInf(q Number) bool {
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return math.IsInf(q.Real, 0) || math.IsInf(q.Imag, 0) || math.IsInf(q.Jmag, 0) || math.IsInf(q.Kmag, 0)
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}
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// Inf returns a quaternion infinity, quaternion(+Inf, +Inf, +Inf, +Inf).
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func Inf() Number {
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inf := math.Inf(1)
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return Number{Real: inf, Imag: inf, Jmag: inf, Kmag: inf}
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}
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