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Date: Tue, 14 Aug 2018 19:44:15 +0000
From: Joseph Myers <joseph AT codesourcery DOT com>
To: Masamichi Hosoda <trueroad AT trueroad DOT jp>
CC: <newlib AT sourceware DOT org>, <cygwin AT cygwin DOT com>, <corinna-cygwin AT cygwin DOT com>
Subject: Re: strtod ("nan") returns negative NaN
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On Wed, 15 Aug 2018, Masamichi Hosoda wrote:

> On Linux with glibc, both strtod ("nan")
> and strtod ("-nan") return positive NaN.
> 
> So I've created the patch that behaves like glibc.
> Both strtod ("nan") and strtod ("-nan") return positive NaN.

I would suggest that you should not consider fixed bugs in glibc (bug 
23007 in this case) to be appropriate to emulate in other libraries.

-- 
Joseph S. Myers
joseph AT codesourcery DOT com

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