// 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. | |
// func Log(x float64) float64 | |
TEXT ·Log(SB),7,$0 | |
FLDLN2 // F0=log(2) | |
FMOVD x+0(FP), F0 // F0=x, F1=log(2) | |
FYL2X // F0=log(x)=log2(x)*log(2) | |
FMOVDP F0, r+8(FP) | |
RET |