golang log_stub 代码
文件路径：/src/math/log_stub.go
/ Copyright 2021 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.
/go:build !amd64 && !s390x
package math
const haveArchLog = false
func archLog(x float64) float64 {
panic("not implemented")
}