code: def lanczos3(x):
      fw, to_dtype, eps = set_framework_dependencies(x)
      return (
          (fw.sin(pi * x) * fw.sin(pi * x / 3) + eps)
          / ((pi**2 * x**2 / 3) + eps)
      ) * to_dtype(abs(x) < 3)
  
imports: from math import pi
label_desc: Use image node_id 5 for calling a global function with example usage: lanczos3(x) and returns: unknown