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Date: | Sun, 25 May 1997 13:53:39 +0300 (IDT) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
To: | Paul Shirley <Paul AT chocolat*foobar.co.uk> |
cc: | djgpp AT delorie DOT com |
Subject: | Re: float & ints & triangle3d_f |
In-Reply-To: | <OsxmYGA+kegzEwW0@foobar.co.uk> |
Message-ID: | <Pine.SUN.3.91.970525135315.4960S-100000@is> |
MIME-Version: | 1.0 |
On Tue, 20 May 1997, Paul Shirley wrote: > Never compare floats if you can avoid it. If you really do have to do > it, compute the difference in fp, store it as a float then check bit31 > (the sign bit). This method can only tell whether two numbers are different, but it won't tell whether they are (approximately) equal.
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