diff --git a/examples/fields_of_experts.cc b/examples/fields_of_experts.cc
index 60d179a..7b7983e 100644
--- a/examples/fields_of_experts.cc
+++ b/examples/fields_of_experts.cc
@@ -33,8 +33,8 @@
 
 #include "fields_of_experts.h"
 
-#include <fstream>
 #include <cmath>
+#include <fstream>
 
 #include "pgm_image.h"
 
@@ -80,14 +80,12 @@
   const double sum = 1.0 + sq_norm * c;
   const double inv = 1.0 / sum;
   // 'sum' and 'inv' are always positive, assuming that 's' is.
-  rho[0] = alpha_ *  log(sum);
+  rho[0] = alpha_ * log(sum);
   rho[1] = alpha_ * c * inv;
-  rho[2] = - alpha_ * c * c * inv * inv;
+  rho[2] = -alpha_ * c * c * inv * inv;
 }
 
-FieldsOfExperts::FieldsOfExperts()
-    :  size_(0), num_filters_(0) {
-}
+FieldsOfExperts::FieldsOfExperts() : size_(0), num_filters_(0) {}
 
 bool FieldsOfExperts::LoadFromFile(const std::string& filename) {
   std::ifstream foe_file(filename.c_str());
@@ -147,6 +145,5 @@
   return new FieldsOfExpertsLoss(alpha_[alpha_index]);
 }
 
-
 }  // namespace examples
 }  // namespace ceres