def run_affine():
weight_array = SparseWeightArray(
{Vector.index_vector(3) + (1, 1, 1) : 5}
)
component = StencilComponent(
"input",
weight_array
)
stencil = Stencil(
component,
"output",
[(1, -1, 1)]*3
)
compiler = PythonCompiler()
kern = compiler.compile(stencil)
arr = np.arange(6**3, dtype=np.float).reshape((6, 6, 6))
out = np.zeros_like(arr)
kern(out, arr)
print(out)
