Date: Fri, 28 Aug 1998 09:41:28 +0000 From: Mike Smith <mike@smith.net.au> To: Tim Borgeaud <Tim.Borgeaud@bristol.ac.uk> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Why is my code failing with SIGFPE? Message-ID: <199808280941.JAA05495@word.smith.net.au> In-Reply-To: Your message of "Fri, 28 Aug 1998 17:14:45 %2B0100." <199808281614.RAA27907@zeus.bris.ac.uk>
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> Apologies to all. I have managed to find the problem in my code. > > I had missed out one of my include files. This had lead to a function being > implicitly declared rather than declared as a function returning a double. > > After browsing the mail archives and some careful attention to compiling > I found the error. I forget who wrote the message that described this function > misdeclaration as a cause of SIGFPE. Thanks to whoever it was. > > Is this kind of behaviour from the compiler unavoidable? It took me ages to > track down the bloody problem. As a novice programmer I was confused by the > floating point exception and spent a long time wondering how my variables could > have gone out of range. It's a lesson: always study the compiler output. If you're just starting out, make sure you add '-ansi -Wall -Werror' to your compiler flags. This'll get you playing more attention to it. 8) -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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