diff --git a/src/function.rs b/src/function.rs
index 6118edd..dffacee 100644
--- a/src/function.rs
+++ b/src/function.rs
@@ -93,8 +93,11 @@ impl Function {
         }
 
         // Makes sure proper arguments are passed when integral is enabled
-        if integral && (integral_min_x != Some(self.integral_min_x))
-                | (integral_max_x != Some(self.integral_max_x)) | (integral_num != Some(self.integral_num)) {
+        if integral
+            && (integral_min_x != Some(self.integral_min_x))
+                | (integral_max_x != Some(self.integral_max_x))
+                | (integral_num != Some(self.integral_num))
+        {
             self.front_cache = None;
             self.integral_min_x = integral_min_x.expect("integral_min_x is None");
             self.integral_max_x = integral_max_x.expect("integral_max_x is None");