code: def _compute_gaussian_rdp(
      sigma: float, sum_sensitivity_square: float, alpha: float
  ) -> float:
      """Computes RDP of Gaussian mechanism."""
      if np.isinf(alpha):
          return np.inf
      return alpha * sum_sensitivity_square / (2 * sigma**2)
  
file_path: privacy/tensorflow_privacy/privacy/analysis/tree_aggregation_accountant.py
imports: import functools
  import math
  from typing import Collection, Optional, Union
  import dp_accounting
  import numpy
label_desc: Use image node_id 7 for calling a global function with example usage: _compute_gaussian_rdp(sigma, sum_sensitivity_square, alpha) and returns: unknown, np