Reply-To:	<arfa AT clara DOT net>
From:	"Arthur" <arfa AT clara DOT net>
To:	"DJGPP Mailing List" <djgpp AT delorie DOT com>
Subject:	RE: 80x87 detection in DJGPP programs
Date:	Fri, 31 Jul 1998 15:04:33 +0100
Message-ID:	<000101bdbc8c$24bdbe20$674e08c3@arthur>
MIME-Version:	1.0
Importance:	Normal
In-Reply-To:	<35C14346.6A03@icrdl.net>

> Hi Im  making a 3d engine and i needed a sqrt routine.
> The DJGPP library sqrt() is fast when the machine have
> a coprocessor, but the emulation is terribly slow. Since
> i works with fixed point i wrote an integer sqrt routine,
> which is faster. On the other hand, it is slower than a 80x87.
>
> So my question is: how can I detect a 80x87 in a DJGPP program?

You could use Allegro - it has a global variable which is set to TRUE if you have a
FPU.

James Arthur
jaa AT arfa DOT clara DOT net
ICQ#15054819

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