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-rw-r--r--src/pkg/math/hypot.go43
1 files changed, 0 insertions, 43 deletions
diff --git a/src/pkg/math/hypot.go b/src/pkg/math/hypot.go
deleted file mode 100644
index 2087cb05b..000000000
--- a/src/pkg/math/hypot.go
+++ /dev/null
@@ -1,43 +0,0 @@
-// 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
-
-func hypot(p, q float64) float64 {
- // special cases
- switch {
- case IsInf(p, 0) || IsInf(q, 0):
- return Inf(1)
- case IsNaN(p) || IsNaN(q):
- return NaN()
- }
- if p < 0 {
- p = -p
- }
- if q < 0 {
- q = -q
- }
- if p < q {
- p, q = q, p
- }
- if p == 0 {
- return 0
- }
- q = q / p
- return p * Sqrt(1+q*q)
-}