Re: FPU, i386

[Gunther Mayer]

Andrey Ulanov wrote:

> Look at this:
>
> $ cat test.c
> #include <stdio.h>
>
> main()
> {
>         double h = 0.2;
>
>         if(1/h == 5.0)
>             printf("1/h == 5.0\n");
>
>         if(1/h < 5.0)
>             printf("1/h < 5.0\n");
>         return 0;
> }
> $ gcc test.c
> $ ./a.out
> 1/h < 5.0
> $
>
> I also ran same a.out under FreeBSD. It says "1/h == 5.0".
> It seems there is difference somewhere in FPU
> initialization code. And I think it should be fixed.
>
> ps. cc to me
> --
> with best regards, Andrey Ulanov.
> [e-mail]
>

google for every scientist should know about floating point