doc update

Author: dengdifan

ConfigSpace/c_util.pyx

@@ -288,7 +288,8 @@ cpdef np.ndarray change_hp_value(
     # Hyperparameters which are going to be set to inactive
     disabled = []
 
-    # Hyperparameters which are going to be set activate, this is applicable to diamond conditional space:
+    # Hyperparameters which are going to be set activate, we introduce this to resolve the conflict that might be raised
+    # by OrConjunction:
     # Suppose that we have a parent HP_p whose possible values are A, B, C; a child HP_d is activate if
     # HP_p is A or B. Then when HP_p switches from A to B, HP_d needs to remain activate.
     hps_to_be_activate = set()

test/test_util.py

@@ -277,7 +277,7 @@ def test_check_neighbouring_config_diamond(self):
 
         np.testing.assert_almost_equal(new_array, expected_array)
 
-    def test_check_neighbouring_config_hierarchical_diamond(self):
+    def test_check_neighbouring_config_diamond_or_conjunction(self):
         diamond = ConfigurationSpace()
         top = CategoricalHyperparameter('top', [0, 1], 0)
         middle = CategoricalHyperparameter('middle', [0, 1], 1)