This sounds like a real bug. However, we really can't work on something without a way to reproduce the behavior ourselves. So if you do come up with a small test program, at the very least we'll included it in our test suite, to remind us that the bug is there.
Gabriel Zachmann <[EMAIL PROTECTED]> writes: > I have a funny problem with gdb (GNU gdb Red Hat Linux (5.1-1)): > > In a C++ program I have the following two lines: > > float v = -numeric_limits<float>::max(); > fprintf(stderr,"v=%f\n", v ); > > When I run the program I always get the output > > v=-340282346638528859811704183484516925440.000000 > > However, when I run the program in gdb I sometimes get this > > 375 float v = -numeric_limits<float>::max(); > (gdb) > 376 fprintf(stderr,"v=%f\n", v ); > (gdb) > v=nan > > ^^^ > > Unfortunately, I seem to be unable to produce a small example program > exhibiting this behavior. > > I compile the program with g++ 3.0.4 using these options: > > -march=i686 -ansi -fno-default-inline -ffor-scope > -g3 -ggdb3 -Wall -W -Wpointer-arith > -Wcast-qual -Wcast-align -Wconversion -Woverloaded-virtual -Wsign-compare > -Wnon-virtual-dtor -Woverloaded-virtual -Wfloat-equal -Wmissing-prototypes > -Wunreachable-code -Wno-reorder -D_GNU_SOURCE > > Does anybody have any idea what might cause this differing behavior? > > Thanks a lot in advance, > Gabriel. > > > -- > /---------------------------------------------------------------------\ > | The mind -- what is it? | > | It is the sound of the breeze | > | Blowing through the pines in the picture. (Ikkyu) | > | | > | [EMAIL PROTECTED] __@/' [EMAIL PROTECTED] | > | web.informatik.uni-bonn.de/~zach __@/' www.gabrielzachmann.org | > \---------------------------------------------------------------------/ _______________________________________________ Bug-gdb mailing list [EMAIL PROTECTED] http://mail.gnu.org/mailman/listinfo/bug-gdb