Update lineups_to_remove calculation in exposure_spread function to handle zero target exposure and adjust for non-zero targets, improving accuracy in lineup adjustments.

global_func/exposure_spread.py

@@ -260,7 +260,10 @@ def exposure_spread(working_frame, exposure_player, exposure_target, exposure_st
     player_exposure = player_mask.sum() / len(working_frame)
 
     # find the number of lineups that need to be removed to reach the target exposure
-    lineups_to_remove = (player_exposure - exposure_target) * len(working_frame)
+    if exposure_target == 0:
+        lineups_to_remove = (player_exposure - exposure_target) * len(working_frame)
+    else:
+        lineups_to_remove = (player_exposure - math.ceil(exposure_target / 2)) * len(working_frame)
 
     # isolate the rows that contain the player
     player_rows = working_frame[player_mask]