Newsgroups: comp.os.msdos.djgpp
From: cmatraki AT eleceng DOT ucl DOT ac DOT uk (Chris Matrakidis)
Subject: Re: Interrupts+emulation considered harmful
Sender: news AT ucl DOT ac DOT uk (Usenet News System)
Message-ID: <1996Nov13.182920.41305@ucl.ac.uk>
Date: Wed, 13 Nov 1996 18:29:20 GMT
References: <3285e9f2 DOT 28357936 AT news DOT netvision DOT net DOT il>
Organization: University College London
Lines: 10
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Ronen Friedman <ronen AT friendly DOT co DOT il> wrote:
>FYI - seems floating point emulation and hardware interrupts do not
>mix very well. I may be wrong, but the following details seem convincing:
>
Are you linking your program with libm?
There is a bug in functions ceil() and floor() whare some values are stored
under the stack pointer, and they are overwritten by a hardware int (I think
by the jump_buf).