Horton

RE: power() function in Windows: "value out of range: underflow"

Huong Dangminh <huo-dangminh@ys.jp.nec.com>

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From: Huong Dangminh <huo-dangminh@ys.jp.nec.com>
To: David Rowley <david.rowley@2ndquadrant.com>
Cc: Euler Taveira <euler@timbira.com.br>, "pgsql-bugs@lists.postgresql.org" <pgsql-bugs@lists.postgresql.org>, Pg Hackers <pgsql-hackers@postgresql.org>, Akio Iwaasa <aki-iwaasa@vt.jp.nec.com>
Date: 2018-04-11T04:54:17Z
Lists: pgsql-bugs, pgsql-hackers 
> > I updated the patch as David Rowley mentioned.
> 
> Looks fine to me. Please add to the next commitfest.

Thanks. Added.

> --
>  David Rowley                   http://www.2ndQuadrant.com/
>  PostgreSQL Development, 24x7 Support, Training & Services
> 

---
Thanks and best regards,
Dang Minh Huong
NEC Solution Innovators, Ltd.
http://www.nec-solutioninnovators.co.jp/en/

Commits

  1. Revert back-branch changes in power()'s behavior for NaN inputs.

  2. Avoid wrong results for power() with NaN input on more platforms.

  3. Avoid wrong results for power() with NaN input on some platforms.