code: def cubic(x):
      absx = torch.abs(x)
      absx2 = absx**2
      absx3 = absx**3
      return (1.5 * absx3 - 2.5 * absx2 + 1) * (
          (absx <= 1).type_as(absx)
      ) + (-0.5 * absx3 + 2.5 * absx2 - 4 * absx + 2) * (
          ((absx > 1) * (absx <= 2)).type_as(absx)
      )
  
imports: import os
  import math
  import random
  import numpy
  import torch
  import cv2
  from torchvision.utils import make_grid
  from datetime import datetime
label_desc: Use image node_id 46 for calling a global function with example usage: cubic(x) and returns: unknown