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Re: pgsql: Add support for hyperbolic functions, as well as log10(). - Mailing list pgsql-hackers

From Tom Lane
Subject Re: pgsql: Add support for hyperbolic functions, as well as log10().
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Msg-id 2503.1552533507@sss.pgh.pa.us
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In response to Re: pgsql: Add support for hyperbolic functions, as well as log10().  (Andrew Dunstan <andrew.dunstan@2ndquadrant.com>)
Responses Re: pgsql: Add support for hyperbolic functions, as well aslog10().
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Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
> Or we could possibly call the function and then turn a result of -0 into 0?

But -0 is the correct output if the input is -0.  So that approach
requires distinguishing -0 from 0, which is annoyingly difficult.

            regards, tom lane

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