fixed indentation

Author: Chris Sullivan

example.cc

@@ -9,46 +9,46 @@ using namespace std;
 
 
 void scale(int i, double* a, double* b) {
-        a[i]=4*b[i];
+  a[i]=4*b[i];
 }
 
 int main () {
 
-        ThreadPool pool(8);
-
-        int N = 1e9;
-        auto a = (double*)calloc(N,sizeof(double));
-        auto b = (double*)calloc(N,sizeof(double));
-        for (int i=0; i<N; i++) { b[i] = i; }
-
-
-        // cold start for timing purposes
-        pool.ParallelFor(0,N,scale,a,b);
-
-        int ntrials = 10;
-        double tperformance = 0.0;
-        cout << "Callable: c-function pointer\n";
-        for (int i=0; i<ntrials; i++)
-        {
-                Timer timer([&](int elapsed){
-                                cout << "Trial " << i << ": "<< elapsed*1e-6 << " ms\n";
-                                tperformance+=elapsed;
-                        });
-                pool.ParallelFor(0,N,scale,a,b);
-        }
-        cout << "Average: " << tperformance*1e-6 / ntrials << " ms\n\n";
-
-        tperformance = 0.0;
-        cout << "Callable: lambda function (without capture) \n";
-        for (int i=0; i<ntrials; i++)
-        {
-                Timer timer([&](int elapsed){
-                                cout << "Trial " << i << ": "<< elapsed*1e-6 << " ms\n";
-                                tperformance+=elapsed;
-                        });
-                pool.ParallelFor(0,N,[](int k, double* a, double* b) {return a[k] = 4*b[k];},a,b);
-        }
-        cout << "Average: " << tperformance*1e-6 / ntrials << " ms\n\n";
-
-        return 0;
+  ThreadPool pool(8);
+
+  int N = 1e9;
+  auto a = (double*)calloc(N,sizeof(double));
+  auto b = (double*)calloc(N,sizeof(double));
+  for (int i=0; i<N; i++) { b[i] = i; } // initialize
+
+
+  // cold start for timing purposes
+  pool.ParallelFor(0,N,scale,a,b);
+
+  int ntrials = 10;
+  double tperformance = 0.0;
+  cout << "Callable: c-function pointer\n";
+  for (int i=0; i<ntrials; i++)
+  {
+    Timer timer([&](int elapsed){
+        cout << "Trial " << i << ": "<< elapsed*1e-6 << " ms\n";
+        tperformance+=elapsed;
+      });
+    pool.ParallelFor(0,N,scale,a,b);
+  }
+  cout << "Average: " << tperformance*1e-6 / ntrials << " ms\n\n";
+
+  tperformance = 0.0;
+  cout << "Callable: lambda function (without capture) \n";
+  for (int i=0; i<ntrials; i++)
+  {
+    Timer timer([&](int elapsed){
+        cout << "Trial " << i << ": "<< elapsed*1e-6 << " ms\n";
+        tperformance+=elapsed;
+      });
+    pool.ParallelFor(0,N,[](int k, double* a, double* b) {return a[k] = 4*b[k];},a,b);
+  }
+  cout << "Average: " << tperformance*1e-6 / ntrials << " ms\n\n";
+
+  return 0;
 }