On Sat, Apr 22, 2023 at 5:52 PM Bruno Haible <br...@clisp.org> wrote: > > Ben Pfaff wrote: > > determine whether converting 'd' to 'long' would > > yield a 'long' with the same value as 'd'. > > Maybe > d == (double) (long) d > ? > > Just a wild guess. I haven't tested it.
I don't trust the undefined behavior in conversions that go outside the valid range. The program I showed gave me different output with and without GCC optimization turned on, for example.
