code: def manual_seed(seed):
      """Set up a global random number generator using the specified seed."""
  
      if shared.opts.randn_source == "NV":
          global nv_rng
          nv_rng = rng_philox.Generator(seed)
          return
  
      torch.manual_seed(seed)
  
file_path: stable-diffusion-webui/modules/rng.py
imports: import torch
  from modules import devices, rng_philox, shared
label_desc: Use image node_id 5 for calling a global function with example usage: manual_seed(seed) without return types