tree 00500e674eee93e964c6e7b4a8ee29369190b437
parent 12d40adac46b5c771247a789205f7893bfd808b2
author kakulisen <lziqiang1@gmail.com> 1589444458 +0800
committer Emmanuel Odeke <emm.odeke@gmail.com> 1597458042 +0000

math: simplify the code

Simplifying some code without compromising performance.
My CPU is Intel Xeon Gold 6161, 2.20GHz, 64-bit operating system.
The memory is 8GB. This is my test environment, I hope to help you judge.

Benchmark:

name      old time/op    new time/op    delta
Log1p-4    21.8ns ± 5%    21.8ns ± 4%   ~     (p=0.973 n=20+20)

Change-Id: Icd8f96f1325b00007602d114300b92d4c57de409
Reviewed-on: https://go-review.googlesource.com/c/go/+/233940
Reviewed-by: Robert Griesemer <gri@golang.org>