code: def _xavier_init(linear):
      """
      Performs the Xavier weight initialization of the linear layer `linear`.
      """
      torch.nn.init.xavier_uniform_(linear.weight.data)
  
file_path: pytorch3d/projects/nerf/nerf/implicit_function.py
imports: from typing import Tuple
  import torch
  from pytorch3d.common.linear_with_repeat import LinearWithRepeat
  from pytorch3d.renderer import HarmonicEmbedding, ray_bundle_to_ray_points, RayBundle
label_desc: Use image node_id 1 for calling a global function with example usage: _xavier_init(linear) without return types