Editando: hypot.go
// Copyright 2010 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 math /* Hypot -- sqrt(p*p + q*q), but overflows only if the result does. */ // Hypot returns [Sqrt](p*p + q*q), taking care to avoid // unnecessary overflow and underflow. // // Special cases are: // // Hypot(±Inf, q) = +Inf // Hypot(p, ±Inf) = +Inf // Hypot(NaN, q) = NaN // Hypot(p, NaN) = NaN func Hypot(p, q float64) float64 { if haveArchHypot { return archHypot(p, q) } return hypot(p, q) } func hypot(p, q float64) float64 { p, q = Abs(p), Abs(q) // special cases switch { case IsInf(p, 1) || IsInf(q, 1): return Inf(1) case IsNaN(p) || IsNaN(q): return NaN() } if p < q { p, q = q, p } if p == 0 { return 0 } q = q / p return p * Sqrt(1+q*q) }
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Kerym Chaeceran