Refine reassess_dupes function in reassess_edge.py to enhance the threshold crossing logic for salary adjustments, ensuring accurate reduction of dupes when salaries transition from above to below the threshold, while maintaining clarity and readability.

global_func/reassess_edge.py

@@ -51,13 +51,19 @@ def reassess_dupes(row: pd.Series, salary_max: int) -> float:
     own_diff = float(row['own_diff'])
     dupes = int(row['Dupes'])
     
-    # Calculate distance from threshold
+    # Calculate current distance from threshold
     threshold = salary_max - 500
     distance_from_threshold = salary - threshold
     
-    # Apply dramatic reduction when below threshold
-    if distance_from_threshold < 0:
-        # For every 100 under threshold, divide dupes by 2
+    # Check if salary crossed the threshold due to salary_diff
+    original_salary = salary - salary_diff  # What the salary was before the change
+    
+    if original_salary >= threshold and salary < threshold:
+        # Salary crossed from above to below threshold - apply dramatic reduction
+        reduction_factor = 2 ** (abs(distance_from_threshold) / 100)
+        adjusted_dupes = dupes / reduction_factor
+    elif distance_from_threshold < 0:
+        # Already below threshold - apply reduction
         reduction_factor = 2 ** (abs(distance_from_threshold) / 100)
         adjusted_dupes = dupes / reduction_factor
     else: