checking for overflow in C

[Henry Spencer]

In article <1079 at atanasoff.cs.iastate.edu> hascall at atanasoff.cs.iastate.edu (John Hascall) writes:
>     If this overflow business is important to you (and it certainly is
>     for some)...  Why not use SIGFPE?  This works (is documented to work,
>     I've never had occasion to try it) under BSD on the VAX, perhaps
>     it works on your machine as well.  Did ANSI have anything to say
>     on this topic?

SIGFPE and friends unfortunately are *very* machine-specific, because you
get signals only when the hardware feels like supplying them.
-- 
Mars in 1980s:  USSR, 2 tries, |     Henry Spencer at U of Toronto Zoology
2 failures; USA, 0 tries.      | uunet!attcan!utzoo!henry henry at zoo.toronto.edu