Re: [PATCH 0/1] MR4790: msvcp140_2: Implement __std_smf_hypot3.

[Piotr Caban (＠piotr)]

Piotr Caban (@piotr) commented about dlls/msvcp140_2/math.c:
> -
> -
> -
> - This library is distributed in the hope that it will be useful,
> -
> - but WITHOUT ANY WARRANTY; without even the implied warranty of
> -
> - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> -
> - Lesser General Public License for more details.
> -
> -
> -
> - You should have received a copy of the GNU Lesser General Public
> -
> - License along with this library; if not, write to the Free Software
> -
> - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
> - */
> -
>
> +#include <math.h>
> -
>
> +double __std_smf_hypot3(double x, double y, double z)
> +{
> - return sqrt(x * x + y * y + z * z);

This should handle overflow during computations correctly:
```suggestion:-0+0
    return hypot(hypot(x, y), z);
```