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⚡️ Speed up function _flatten_action_profile by 10% #6

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⚡️ Speed up function _flatten_action_profile by 10% #6

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8 changes: 3 additions & 5 deletions quantecon/game_theory/mclennan_tourky.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@
import numbers
import numpy as np
from .._compute_fp import _compute_fixed_point_ig
from .normal_form_game import pure2mixed
from .utilities import NashResult


Expand Down Expand Up @@ -287,10 +286,9 @@ def _flatten_action_profile(action_profile, indptr):

for i in range(N):
if isinstance(action_profile[i], numbers.Integral): # pure action
num_actions = indptr[i+1] - indptr[i]
mixed_action = pure2mixed(num_actions, action_profile[i])
out[indptr[i]:indptr[i+1]] = 0
out[indptr[i] + action_profile[i]] = 1
else: # mixed action
mixed_action = action_profile[i]
out[indptr[i]:indptr[i+1]] = mixed_action
out[indptr[i]:indptr[i+1]] = action_profile[i]

return out