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Re: Line intersection point is wrong - Mailing list pgsql-bugs

From Emre Hasegeli
Subject Re: Line intersection point is wrong
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Msg-id CAE2gYzzXG4BW7JoBhMFhgYoQxutkz-1CyDqMp5QPtXdE7BY2ww@mail.gmail.com
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In response to Re: Line intersection point is wrong  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Line intersection point is wrong  (Tom Lane <tgl@sss.pgh.pa.us>)
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> You haven't done anything to exclude the possibility that l1->B is zero,
> so you could be getting zero-divide in the y calculation.

Ah, yes.  We can use l2 when l1->B is zero.

I will send another patch on tomorrow addressing other bugs you found.

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