[Piglit] [Beignet][PATCH 0] Add test cases generator.

[Sun, Yi]

Now the case generator can generate test cases for 47 built-in functions. And only three input data 0,1 and 3.14.
11 out of them are failed, as following table:

Function

Support Status

Run Results

Note

gentype atan (gentype y_over_x)

float(1,2,4,8,16)

fail

x=1.0 accuracy issue

gentype atan2 (gentype y, gentype x)

float(1,2,4,8,16)

fail

atan2(0.0 , 0.0)

gentype atanh (gentype)

float(1,2,4,8,16)

fail

atanh(0.0)

gentype cos (gentype)

float(1,2,4,8,16)

fail

x=1.0 accuracy issue

gentype erfc (gentype)

float(1,2,4,8,16)

fail

x=1.0accuracy issue

gentype erf (gentype)

float(1,2,4,8,16)

fail

x=1.0 accuracy issue

gentype nextafter (gentype x, gentype y)

float(1,2,4,8,16)

fail

nextafter(0.0 , 1.0)

gentype pow (gentype x, gentype y)

float(1,2,4,8,16)

fail

pow(0.0 , 0.0)

gentype rint (gentype)

float(1,2,4,8,16)

fail

rint(1.0)

gentype tan (gentype)

float(1,2,4,8,16)

fail

x=1.0 accuracy issue

gentype tgamma (gentype)

float(1,2,4,8,16)

fail

tgamma(1.0)



Thanks
  --Sun, Yi


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