Relax interaction values eq function (mmschlk#427)

* relax eq condition for interaction values

* fix pre-commit issues

Author: CloseChoice

src/shapiq/interaction_values.py

@@ -436,7 +436,7 @@ def __eq__(self, other: object) -> bool:
             or self.max_order != other.max_order
             or self.min_order != other.min_order
             or self.n_players != other.n_players
-            or self.baseline_value != other.baseline_value
+            or not np.allclose(self.baseline_value, other.baseline_value)
         ):
             return False
         if not np.allclose(self.values, other.values):

tests/test_interaction_values.py

@@ -0,0 +1,29 @@
+from __future__ import annotations
+
+import numpy as np
+
+from shapiq.interaction_values import InteractionValues
+
+
+def test_interaction_values_eq():
+    iv1 = InteractionValues(
+        index="SV",
+        max_order=1,
+        min_order=0,
+        estimated=False,
+        estimation_budget=None,
+        n_players=8,
+        baseline_value=2.0719469373788755,
+        values=np.array([0.0] * 300),
+    )
+    iv2 = InteractionValues(
+        index="SV",
+        max_order=1,
+        min_order=0,
+        estimated=False,
+        estimation_budget=None,
+        n_players=8,
+        baseline_value=2.071946937378876,  # Note the slight difference
+        values=np.array([0.0] * 300),
+    )
+    assert iv1 == iv2