On Wed, Dec 21, 2016 at 05:38:38PM +0100, BERTRAND Joël wrote: > einstein:[~] > gcc -o test test.c > einstein:[~] > ./test > 234000000000000000000.000000 -5807672958224171008 > > but result is (for me) strange. The value is out of range, so it can be anything. Does gdb "info float" give anything useful, or "p $fpcr"?