code review 874041: cmath pkg

src/pkg/cmath/conj.go

Index: src/pkg/cmath/conj.go
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+++ b/src/pkg/cmath/conj.go
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+// 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 cmath
+
+// Conj returns the complex conjugate of x.
+func Conj(x complex128) complex128 { return cmplx(real(x), -imag(x)) }