On 24.5.2010 7:52, Campbell Barton wrote: > The argument --debug-fpe to enable floating point exceptions currently > only works on linux& SGI.
I've committed support for Windows (with MSVC) in r29013 for this. /Nathan > > This command is useful for tracking down invalid floating point math, > divide by zero, invalid arguments to math.h functions& operations > resulting in NAN or INF, since you get a crash at the point in the > code where the error is made. > > For example, it made finding this bug simple ([#22398 black pixels > with HDR textures). > http://markmail.org/message/vlkta3nzwmm3sywr > > This is the function in creator.c now. just needs mac/windows #ifdefs, > probably not hard but needs testing by a developer who uses osx/win. > > --- > > static int set_fpe(int argc, char **argv, void *data) > { > #if defined(__sgi) || defined(__linux__) > /* zealous but makes float issues a heck of a lot easier to find! > * set breakpoints on fpe_handler */ > signal(SIGFPE, fpe_handler); > > #if defined(__linux__)&& defined(__GNUC__) > feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW ); > #endif > #endif > return 0; > } > -- Nathan Letwory Letwory Interactive http://www.letworyinteractive.com _______________________________________________ Bf-committers mailing list [email protected] http://lists.blender.org/mailman/listinfo/bf-committers
