From: "Dan Goodman" Newsgroups: comp.os.msdos.djgpp Subject: SIGFPE Date: Fri, 3 Jul 1998 01:31:55 +0100 Message-ID: <899425828.6166.0.nnrp-03.9e989aee@news.demon.co.uk> NNTP-Posting-Host: fcbob.demon.co.uk Lines: 10 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk A program I have written (ray tracing sort of thing) is suddenly getting SIGFPEs, which doesn't stop it from running, but it runs half as slow as it used to and crashes RHIDE after it finishes. The error occurs when you change one value from a value lower than 0.9 to one greater than or equal to 0.9. I am now pretty sure it is not a divide by zero, sqrt(-x) or overflow problem, what else might cause a sigfpe and how can I trace the problem? Thanks in advance, Dan