Re: [PATCH] Fix error in powf for (-1.0, NaN) input

On Mar  2 15:40, Fabian Schriever wrote:
> Prevent confusion between -1.0 and 1.0 in powf. The corresponding
> similar error was previously fixed for pow (see commit bb25dd1b)
> ---
>  newlib/libm/math/ef_pow.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/newlib/libm/math/ef_pow.c b/newlib/libm/math/ef_pow.c
> index 524e3f9b0..d9e85a95e 100644
> --- a/newlib/libm/math/ef_pow.c
> +++ b/newlib/libm/math/ef_pow.c
> @@ -79,7 +79,7 @@ ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
>      /* x|y==NaN return NaN unless x==1 then return 1 */
>  	if(FLT_UWORD_IS_NAN(ix) ||
>  	   FLT_UWORD_IS_NAN(iy)) {
> -	    if(ix==0x3f800000) return one;
> +	    if(hx==0x3f800000) return one;
>  	    else return nanf("");
>  	}
>  
> -- 
> 2.24.1.windows.2

Pushed.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat

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