Merge branch 'dev' of github.ibm.com:nemesis/nemesis into dev

Author: Irina Nicolae

art/attacks/newtonfool.py

@@ -42,6 +42,7 @@ def generate(self, x, **kwargs):
         x_adv = x.copy()
 
         # Initialize variables
+        clip_min, clip_max = self.classifier.clip_values
         y_pred = self.classifier.predict(x, logits=False)
         pred_class = np.argmax(y_pred, axis=1)
 
@@ -68,6 +69,9 @@ def generate(self, x, **kwargs):
                 # Update xi and pertubation
                 ex += di
 
+            # Apply clip
+            x_adv[j] = np.clip(ex, clip_min, clip_max)
+
         return x_adv
 
     def set_params(self, **kwargs):