[Beignet] [PATCH] add builtin function atan2pi and ldexp

[Zhigang Gong]

LGTM, pushed, thanks.

On Thu, Jan 15, 2015 at 06:24:59PM +0800, Zhu Bingbing wrote:
> the two cases are are generated by utest_math_gen.py.
> Signed-off-by: Zhu Bingbing <bingbingx.zhu at intel.com>
> ---
>  utests/utest_math_gen.py | 38 +++++++++++++++++++++++++-------------
>  1 file changed, 25 insertions(+), 13 deletions(-)
> 
> diff --git a/utests/utest_math_gen.py b/utests/utest_math_gen.py
> index 71a031f..83edcc3 100755
> --- a/utests/utest_math_gen.py
> +++ b/utests/utest_math_gen.py
> @@ -161,19 +161,19 @@ static float atanpi(float x){
>  } '''
>    atanpiUtests = func('atanpi','atanpi',[atanpi_input_type],atanpi_output_type,[atanpi_input_values],'4 * FLT_ULP',atanpi_cpu_func)
>    
> -#  ##### gentype atan2pi(gentype y, gentype x)
> -#  atan2pi_base_values = base_input_values
> -#  atan2pi_input_values1 = []
> -#  atan2pi_input_values2 = []
> -#  atan2pi_input_values1,atan2pi_input_values2=gene2ValuesLoop(atan2pi_input_values1,atan2pi_input_values2,atan2pi_base_values)
> -#  atan2pi_input_type1 = ['float','float2','float4','float8','float16']
> -#  atan2pi_input_type2 = ['float','float2','float4','float8','float16']
> -#  atan2pi_output_type = ['float','float2','float4','float8','float16']
> -#  atan2pi_cpu_func='''
> -#static float atan2pi(float y, float x){
> -#  return atan2(y,x)/M_PI;
> -#} '''
> -#  atan2piUtests = func('atan2pi','atan2pi',[atan2pi_input_type1,atan2pi_input_type2],atan2pi_output_type,[atan2pi_input_values1,atan2pi_input_values2],'6 * FLT_ULP',atan2pi_cpu_func)
> +  ##### gentype atan2pi(gentype y, gentype x)
> +  atan2pi_base_values = base_input_values
> +  atan2pi_input_values1 = []
> +  atan2pi_input_values2 = []
> +  atan2pi_input_values1,atan2pi_input_values2=gene2ValuesLoop(atan2pi_input_values1,atan2pi_input_values2,atan2pi_base_values)
> +  atan2pi_input_type1 = ['float','float2','float4','float8','float16']
> +  atan2pi_input_type2 = ['float','float2','float4','float8','float16']
> +  atan2pi_output_type = ['float','float2','float4','float8','float16']
> +  atan2pi_cpu_func='''
> +static float atan2pi(float y, float x){
> +  return atan2(y,x)/M_PI;
> +} '''
> +  atan2piUtests = func('atan2pi','atan2pi',[atan2pi_input_type1,atan2pi_input_type2],atan2pi_output_type,[atan2pi_input_values1,atan2pi_input_values2],'6 * FLT_ULP',atan2pi_cpu_func)
>    
>    ##### gentype cbrt(gentype)
>    cbrt_input_values = base_input_values
> @@ -342,6 +342,18 @@ static float atanpi(float x){
>    ilogb_output_type = ['int','int2','int4','int8','int16']
>    ilogbUtests = func('ilogb','ilogb',[ilogb_input_type],ilogb_output_type,[ilogb_input_values],'0 * INT_ULP')
>  
> +  #### floatn ldexp(floatnx, intnk)
> +  ldexp_input_values1 = [FLT_MAX_POSI,FLT_MIN_NEGA,FLT_MIN_POSI,FLT_MAX_NEGA,80, -80, 3.14, -3.14, 0.5, 1, 0.0,1500.24,-1500.24]
> +  ldexp_input_values2 = [-1,-2,-3,4,5,6,7,8,10,12,14,16,12]
> +  ldexp_input_type1 = ['float','float2','float4','float8','float16']
> +  ldexp_input_type2 = ['int','int2','int4','int8','int16']
> +  ldexp_output_type = ['float','float2','float4','float8','float16']
> +  ldexp_cpu_func='''
> +static float ldexp(float x, int y){
> +    return x * exp2(y);
> +} '''
> +  ldexpUtests = func('ldexp','ldexp',[ldexp_input_type1,ldexp_input_type2],ldexp_output_type,[ldexp_input_values1,ldexp_input_values2],'0 * FLT_ULP', ldexp_cpu_func)
> +
>    ##### gentype lgamma(gentype x)
>    lgamma_input_values = base_input_values
>    lgamma_input_type = ['float','float2','float4','float8','float16']
> -- 
> 1.9.1
> 
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