sort intermediate bounds

CPMpy · Jul 10, 2023 · 7dab664 · 7dab664
1 parent f217843
commit 7dab664
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/cpmpy/expressions/core.py b/cpmpy/expressions/core.py
@@ -562,7 +562,9 @@ def get_bounds(self):
             weights, vars = self.args
             bounds = []
             for i, varbounds in enumerate([get_bounds(arg) for arg in vars]):
-                bounds += [(list(weights[i] * x for x in varbounds))]
+                sortbounds = (list(weights[i] * x for x in varbounds))
+                sortbounds.sort()
+                bounds += [sortbounds]
             lbs, ubs = (zip(*bounds))
             lowerbound, upperbound = sum(lbs), sum(ubs)
         elif self.name == 'sub':