[PATCH v3] msvcrt: Compile but show an error if Bessel functions aren't available

[Piotr Caban]

Hi Alex,

On 03/02/18 17:21, Alex Henrie wrote:
> @@ -1472,12 +1497,17 @@ double CDECL MSVCRT__yn(int order, double num)
>   {
>     double retval;
>     if (!isfinite(num)) *MSVCRT__errno() = MSVCRT_EDOM;
> +#ifdef HAVE_YN
>     retval  = yn(order,num);
>     if (MSVCRT__fpclass(retval) == MSVCRT__FPCLASS_NINF)
>     {
>       *MSVCRT__errno() = MSVCRT_EDOM;
>       retval = sqrt(-1);
>     }
> +#else
> +  FIXME( "not implemented\n" );
> +  retval = 0;
> +#endif
>     return retval;
>   }
The patch looks mostly good for me. Could you please also remove the 
spaces after '(' and before ')' in FIXME to match surrounding code 
style? While you're at it, could you please also remove sqrt(-1) calls 
on error paths and just return NAN?

Thanks,
Piotr