Le 24 févr. 2010 à 18:58, Boszormenyi Zoltan a écrit :
>
> Here's the attached test code. Compile it with
>
> gcc -Wall -o nantest nantest.c -lm
>
> and run it. It tests NAN anf INFINITY values with isinf() and isnan().
> The expected output is:
>
> ==================
> $ ./nantest
> computed NAN
> 1 0
> computed INFINITY
> 0 1
> ==================
>
> Instead of "computed", NetBSD/x86-64 prints "defined"
> but the test results are the same as under Linux/x86-64.
>
Here it is :
-bash-4.1$ gcc -Wall -o nantest nantest.c -lm
-bash-4.1$ ./nantest
defined NAN
0 1
defined INFINITY
0 1
Ok. So, on NetBSD/mips (#ifdef __NetBSD__ && __mips__), isnan(NAN) is true, isnan((double)NAN) is false, and
isnan((double)(0.0/ 0.0)) is true.
Regards,
Rémi Zara