Date: Thu, 28 Aug 2003 00:13:06 +0200 From: "Eli Zaretskii" Sender: halo1 AT zahav DOT net DOT il To: djgpp-workers AT delorie DOT com Message-Id: <3791-Thu28Aug2003001305+0300-eliz@elta.co.il> X-Mailer: emacs 21.3.50 (via feedmail 8 I) and Blat ver 1.8.9 In-reply-to: <200308272025.h7RKPrFT003625@speedy.ludd.luth.se> (ams AT ludd DOT luth DOT se) Subject: Re: Arithmetic Exceptions in C99 References: <200308272025 DOT h7RKPrFT003625 AT speedy DOT ludd DOT luth DOT se> Reply-To: djgpp-workers AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp-workers AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > From: > Date: Wed, 27 Aug 2003 22:25:53 +0200 (CEST) > > Perhaps somebody (you?) should ask for clarification on comp.std.c. A good idea, IMHO. > > To cause the math functions to set SIGFPE, where they previously did > > not, could break existing code. > > Again, how do you _set_ SIGFPE? Simply pass the invalid argument(s) to the appropriate FP instructions, and you get SIGFPE for free. > The math functions shouldn't raise SIGFPE unless something goes wrong. But C9x sounds like invoking functions with abnormal arguments falls under that ``something wrong'' definition.