code: def alternative_cosine(x, y):
      result = 0.0
      norm_x = 0.0
      norm_y = 0.0
      dim = x.shape[0]
      for i in range(dim):
          result += x[i] * y[i]
          norm_x += x[i] * x[i]
          norm_y += y[i] * y[i]
  
      if norm_x == 0.0 and norm_y == 0.0:
          return 0.0
      elif norm_x == 0.0 or norm_y == 0.0:
          return FLOAT32_MAX
      elif result <= 0.0:
          return FLOAT32_MAX
      else:
          result = np.sqrt(norm_x * norm_y) / result
          return np.log2(result)
  
imports: import numpy
  import numba
  from pynndescent.optimal_transport import allocate_graph_structures, initialize_graph_structures, initialize_supply, initialize_cost, network_simplex_core, total_cost, ProblemStatus, sinkhorn_transport_plan
label_desc: Use image node_id 25 for calling a global function with example usage: alternative_cosine(x, y) and returns: int, FLOAT32_MAX, FLOAT32_MAX, np