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Re: lib/45372: A bug in pow(3)

The following reply was made to PR lib/45372; it has been noted by GNATS.

From: Thomas Klausner <>
Subject: Re: lib/45372: A bug in pow(3)
Date: Sat, 17 Sep 2011 11:25:12 +0200

 On Sat, Sep 17, 2011 at 06:55:00AM +0000, Jukka Ruohonen wrote:
 > For pow(x, y), if x = -1 and y = +- Inf, 1.0 should be returned. But NetBSD
 > returns incorrectly NaN.
 So you're saying that -1^(+infinity) is 1?
 Which standard defines that?
 e_pow.c explicitly mentions the case:
  *      9.  +-1         ** +-INF is NAN
 and I tend to agree.

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