Re: BUG #4660: float functions return -0

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "ITAGAKI Takahiro" <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #4660: float functions return -0
Date: 2009-02-16 15:00:31
Message-ID: 16359.1234796431@sss.pgh.pa.us
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"ITAGAKI Takahiro" <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> writes:
> We avoid -0 in float8um (unary minus),

I wonder why we do that.

regards, tom lane

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