GCC and Floating-Point

[Allan Sandfeld Jensen]

On Wednesday 25 May 2005 16:22, chris jefferson wrote:
>
> On the other hand, in general using != and == on floating point numbers
> is always dangerous if you do not know all the consequences. For
> example, on your above program if I use 30.1 and 90.3, the program fails
> without -ffast-math.
>
Yes. I still don't understand why gcc doesn't do -ffast-math by default like 
all other compilers. The people who needs perfect standard behavior are a lot 
fewer than all the packagers who doesn't understand which optimization flags 
gcc should _always_ be called with.

`Allan