[Piglit] [PATCH 3/3] cl: add atan2pi test

[Bruno Jimenez]

On Wed, 2015-03-25 at 13:33 -0400, Jan Vesely wrote:
> tested on clover and intel ocl-sdk
> 
> Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
> ---
>  generated_tests/gen_cl_math_builtins.py | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/generated_tests/gen_cl_math_builtins.py b/generated_tests/gen_cl_math_builtins.py
> index d86b53a..59b7f18 100644
> --- a/generated_tests/gen_cl_math_builtins.py
> +++ b/generated_tests/gen_cl_math_builtins.py
> @@ -39,6 +39,7 @@ CLC_VERSION_MIN = {
>      'asinpi' : 10,
>      'atan' : 10,
>      'atan2' : 10,
> +    'atan2pi' : 10,
>      'atanh' : 10,
>      'atanpi': 10,
>      'cbrt' : 10,
> @@ -153,6 +154,16 @@ tests = {
>          ],
>          'tolerance' : 6
>       },
> +    'atan2pi' : {
> +        'arg_types' : [F, F, F],
> +        'function_type': 'ttt',
> +        'values' : [
> +            [atan2(0.0, 0.0)/pi, atan2(1.2345, 10.0)/pi, atan2(35671470.0, 0.1)/pi], # Result
> +            [0.0,             1.2345,              35671470.0            ], # Arg0
> +            [0.0,             10.0,                0.1                   ]  # Arg1
> +
Hi,

If I remember correctly, atan2 also accepts negative imputs for x and y,
and returns the correct angle (remember that tan(x) == tan(x + pi)).
Should they be also tested?

-Bruno

>         ],
> +        'tolerance' : 6
> +     },
>      'atanh' : {
>          'arg_types' : [F, F],
>          'function_type': 'ttt',