avoid evaluating forbidden relations on HPOs that were disabled/not s…

…ampled because of conditions that were not met

src/ConfigSpace/forbidden.py

@@ -620,7 +620,10 @@ def is_forbidden_vector(self, vector: Array[f64]) -> bool:
     def is_forbidden_vector_array(self, arr: Array[f64]) -> Mask:
         left = arr[self.vector_ids[0]]
         right = arr[self.vector_ids[1]]
-        return self.left.to_value(left) < self.right.to_value(right)
+        mask = ~(np.isnan(left) | np.isnan(right))
+        out = np.zeros_like(mask)
+        out[mask] = self.left.to_value(left[mask]) < self.right.to_value(right[mask])
+        return out
 
 
 class ForbiddenEqualsRelation(ForbiddenRelation):
@@ -686,7 +689,10 @@ def is_forbidden_vector(self, vector: Array[f64]) -> bool:
     def is_forbidden_vector_array(self, arr: Array[f64]) -> Mask:
         left = arr[self.vector_ids[0]]
         right = arr[self.vector_ids[1]]
-        return self.left.to_value(left) == self.right.to_value(right)  # type: ignore
+        mask = ~(np.isnan(left) | np.isnan(right))
+        out = np.zeros_like(mask)
+        out[mask] = self.left.to_value(left[mask]) == self.right.to_value(right[mask])
+        return out  # type: ignore
 
 
 class ForbiddenGreaterThanRelation(ForbiddenRelation):
@@ -751,7 +757,10 @@ def is_forbidden_vector(self, vector: Array[f64]) -> bool:
     def is_forbidden_vector_array(self, arr: Array[f64]) -> Mask:
         left = arr[self.vector_ids[0]]
         right = arr[self.vector_ids[1]]
-        return self.left.to_value(left) > self.right.to_value(right)
+        mask = ~(np.isnan(left) | np.isnan(right))
+        out = np.zeros_like(mask)
+        out[mask] = self.left.to_value(left[mask]) > self.right.to_value(right[mask])
+        return out
 
 
 ForbiddenLike = Union[