Run clang-format

source/listing_8.5.cpp

@@ -1,20 +1,18 @@
-template<typename Iterator,typename T>
-T parallel_accumulate(Iterator first,Iterator last,T init)
+template <typename Iterator, typename T>
+T
+parallel_accumulate(Iterator first, Iterator last, T init)
 {
-    unsigned long const length=std::distance(first,last);
-    unsigned long const max_chunk_size=25;
-    if(length<=max_chunk_size)
-    {
-        return std::accumulate(first,last,init);
-    }
-    else
-    {
-        Iterator mid_point=first;
-        std::advance(mid_point,length/2);
-        std::future<T> first_half_result=
-            std::async(parallel_accumulate<Iterator,T>,
-                       first,mid_point,init);
-        T second_half_result=parallel_accumulate(mid_point,last,T());
-        return first_half_result.get()+second_half_result;
-    }
+  unsigned long const length         = std::distance(first, last);
+  unsigned long const max_chunk_size = 25;
+  if (length <= max_chunk_size) {
+    return std::accumulate(first, last, init);
+  }
+  else {
+    Iterator mid_point = first;
+    std::advance(mid_point, length / 2);
+    std::future<T> first_half_result =
+        std::async(parallel_accumulate<Iterator, T>, first, mid_point, init);
+    T second_half_result = parallel_accumulate(mid_point, last, T());
+    return first_half_result.get() + second_half_result;
+  }
 }