diff --git a/internal/ceres/block_random_access_dense_matrix.cc b/internal/ceres/block_random_access_dense_matrix.cc
index 2afaf5e..aedfc74 100644
--- a/internal/ceres/block_random_access_dense_matrix.cc
+++ b/internal/ceres/block_random_access_dense_matrix.cc
@@ -31,9 +31,9 @@
 #include "ceres/block_random_access_dense_matrix.h"
 
 #include <vector>
-#include <glog/logging.h>
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/block_random_access_sparse_matrix.cc b/internal/ceres/block_random_access_sparse_matrix.cc
index c496fcd..f789436 100644
--- a/internal/ceres/block_random_access_sparse_matrix.cc
+++ b/internal/ceres/block_random_access_sparse_matrix.cc
@@ -34,12 +34,12 @@
 #include <set>
 #include <utility>
 #include <vector>
-#include <glog/logging.h>
-#include "ceres/mutex.h"
-#include "ceres/triplet_sparse_matrix.h"
 #include "ceres/internal/port.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "ceres/mutex.h"
+#include "ceres/triplet_sparse_matrix.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/block_random_access_sparse_matrix_test.cc b/internal/ceres/block_random_access_sparse_matrix_test.cc
index 1e1f831..b2396a1 100644
--- a/internal/ceres/block_random_access_sparse_matrix_test.cc
+++ b/internal/ceres/block_random_access_sparse_matrix_test.cc
@@ -30,10 +30,10 @@
 
 #include <limits>
 #include <vector>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "ceres/block_random_access_sparse_matrix.h"
 #include "ceres/internal/eigen.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/block_sparse_matrix.cc b/internal/ceres/block_sparse_matrix.cc
index 7dd395e..9c737b5 100644
--- a/internal/ceres/block_sparse_matrix.cc
+++ b/internal/ceres/block_sparse_matrix.cc
@@ -33,11 +33,11 @@
 #include <cstddef>
 #include <algorithm>
 #include <vector>
-#include <glog/logging.h>
 #include "ceres/block_structure.h"
+#include "ceres/internal/eigen.h"
 #include "ceres/matrix_proto.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/eigen.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/block_sparse_matrix_test.cc b/internal/ceres/block_sparse_matrix_test.cc
index faf440f..5497365 100644
--- a/internal/ceres/block_sparse_matrix_test.cc
+++ b/internal/ceres/block_sparse_matrix_test.cc
@@ -31,14 +31,14 @@
 #include "ceres/block_sparse_matrix.h"
 
 #include <string>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "ceres/casts.h"
+#include "ceres/internal/eigen.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/matrix_proto.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/eigen.h"
-#include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/canonical_views_clustering.cc b/internal/ceres/canonical_views_clustering.cc
index 5a320d7..d0dc1e6 100644
--- a/internal/ceres/canonical_views_clustering.cc
+++ b/internal/ceres/canonical_views_clustering.cc
@@ -31,11 +31,11 @@
 
 #include "ceres/canonical_views_clustering.h"
 
-#include <glog/logging.h>
-#include "ceres/graph.h"
 #include "ceres/collections_port.h"
-#include "ceres/map_util.h"
+#include "ceres/graph.h"
 #include "ceres/internal/macros.h"
+#include "ceres/map_util.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/conditioned_cost_function.cc b/internal/ceres/conditioned_cost_function.cc
index ca80bfb..7322790 100644
--- a/internal/ceres/conditioned_cost_function.cc
+++ b/internal/ceres/conditioned_cost_function.cc
@@ -34,10 +34,10 @@
 
 #include <cstddef>
 
-#include <glog/logging.h>
-#include "ceres/stl_util.h"
 #include "ceres/internal/eigen.h"
+#include "ceres/stl_util.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 
diff --git a/internal/ceres/conditioned_cost_function_test.cc b/internal/ceres/conditioned_cost_function_test.cc
index 13135a7..03c553f 100644
--- a/internal/ceres/conditioned_cost_function_test.cc
+++ b/internal/ceres/conditioned_cost_function_test.cc
@@ -32,10 +32,10 @@
 
 #include "ceres/conditioned_cost_function.h"
 
-#include "gtest/gtest.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/normal_prior.h"
 #include "ceres/types.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/conjugate_gradients_solver.cc b/internal/ceres/conjugate_gradients_solver.cc
index 7501bb2..ae8e877 100644
--- a/internal/ceres/conjugate_gradients_solver.cc
+++ b/internal/ceres/conjugate_gradients_solver.cc
@@ -41,11 +41,11 @@
 
 #include <cmath>
 #include <cstddef>
-#include <glog/logging.h>
 #include "ceres/fpclassify.h"
-#include "ceres/linear_operator.h"
 #include "ceres/internal/eigen.h"
+#include "ceres/linear_operator.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/corrector.cc b/internal/ceres/corrector.cc
index 4ca2c6f..eff4dff 100644
--- a/internal/ceres/corrector.cc
+++ b/internal/ceres/corrector.cc
@@ -32,8 +32,8 @@
 
 #include <cstddef>
 #include <cmath>
-#include <glog/logging.h>
 #include "ceres/internal/eigen.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/detect_structure.cc b/internal/ceres/detect_structure.cc
index e975504..90ee532 100644
--- a/internal/ceres/detect_structure.cc
+++ b/internal/ceres/detect_structure.cc
@@ -28,9 +28,9 @@
 //
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
-#include <glog/logging.h>
 #include "ceres/detect_structure.h"
 #include "ceres/internal/eigen.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/dogleg_strategy.cc b/internal/ceres/dogleg_strategy.cc
index 0950c0e..a62a7bd 100644
--- a/internal/ceres/dogleg_strategy.cc
+++ b/internal/ceres/dogleg_strategy.cc
@@ -32,13 +32,13 @@
 
 #include <cmath>
 #include "Eigen/Core"
-#include <glog/logging.h>
 #include "ceres/array_utils.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/linear_solver.h"
 #include "ceres/sparse_matrix.h"
 #include "ceres/trust_region_strategy.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/evaluator.cc b/internal/ceres/evaluator.cc
index 5e64a92..204198c 100644
--- a/internal/ceres/evaluator.cc
+++ b/internal/ceres/evaluator.cc
@@ -29,7 +29,6 @@
 // Author: keir@google.com (Keir Mierle)
 
 #include <vector>
-#include <glog/logging.h>
 #include "ceres/block_evaluate_preparer.h"
 #include "ceres/block_jacobian_writer.h"
 #include "ceres/compressed_row_jacobian_writer.h"
@@ -40,6 +39,7 @@
 #include "ceres/internal/port.h"
 #include "ceres/program_evaluator.h"
 #include "ceres/scratch_evaluate_preparer.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/file.cc b/internal/ceres/file.cc
index 14ddf8e..387f359 100644
--- a/internal/ceres/file.cc
+++ b/internal/ceres/file.cc
@@ -31,7 +31,7 @@
 // Really simple file IO.
 
 #include <cstdio>
-#include <glog/logging.h>
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/gradient_checking_cost_function.cc b/internal/ceres/gradient_checking_cost_function.cc
index abba408..7fb3ed7 100644
--- a/internal/ceres/gradient_checking_cost_function.cc
+++ b/internal/ceres/gradient_checking_cost_function.cc
@@ -36,18 +36,18 @@
 #include <string>
 #include <vector>
 
-#include <glog/logging.h>
+#include "ceres/cost_function.h"
+#include "ceres/internal/eigen.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/parameter_block.h"
+#include "ceres/problem.h"
 #include "ceres/problem_impl.h"
 #include "ceres/program.h"
 #include "ceres/residual_block.h"
 #include "ceres/runtime_numeric_diff_cost_function.h"
 #include "ceres/stringprintf.h"
-#include "ceres/cost_function.h"
-#include "ceres/internal/eigen.h"
-#include "ceres/internal/scoped_ptr.h"
-#include "ceres/problem.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/gradient_checking_cost_function_test.cc b/internal/ceres/gradient_checking_cost_function_test.cc
index 58a49b9..4e29c63 100644
--- a/internal/ceres/gradient_checking_cost_function_test.cc
+++ b/internal/ceres/gradient_checking_cost_function_test.cc
@@ -32,22 +32,21 @@
 
 #include <cmath>
 #include <vector>
-
-#include <glog/logging.h>
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "ceres/mock_log.h"
-#include "ceres/problem_impl.h"
-#include "ceres/program.h"
-#include "ceres/parameter_block.h"
-#include "ceres/residual_block.h"
-#include "ceres/random.h"
 #include "ceres/cost_function.h"
 #include "ceres/internal/scoped_ptr.h"
 #include "ceres/local_parameterization.h"
 #include "ceres/loss_function.h"
+#include "ceres/mock_log.h"
+#include "ceres/parameter_block.h"
+#include "ceres/problem_impl.h"
+#include "ceres/program.h"
+#include "ceres/random.h"
+#include "ceres/residual_block.h"
 #include "ceres/sized_cost_function.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
 
 using testing::AllOf;
 using testing::AnyNumber;
diff --git a/internal/ceres/implicit_schur_complement.cc b/internal/ceres/implicit_schur_complement.cc
index b09d253..4af030a 100644
--- a/internal/ceres/implicit_schur_complement.cc
+++ b/internal/ceres/implicit_schur_complement.cc
@@ -30,13 +30,13 @@
 
 #include "ceres/implicit_schur_complement.h"
 
-#include <glog/logging.h>
 #include "Eigen/Dense"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/block_structure.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/implicit_schur_complement_test.cc b/internal/ceres/implicit_schur_complement_test.cc
index 9cf17af..f948403 100644
--- a/internal/ceres/implicit_schur_complement_test.cc
+++ b/internal/ceres/implicit_schur_complement_test.cc
@@ -31,19 +31,19 @@
 #include "ceres/implicit_schur_complement.h"
 
 #include <cstddef>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "Eigen/Dense"
 #include "ceres/block_random_access_dense_matrix.h"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/casts.h"
+#include "ceres/internal/eigen.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/linear_solver.h"
 #include "ceres/schur_eliminator.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/eigen.h"
-#include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/iterative_schur_complement_solver.cc b/internal/ceres/iterative_schur_complement_solver.cc
index 3d837b3..679c41f 100644
--- a/internal/ceres/iterative_schur_complement_solver.cc
+++ b/internal/ceres/iterative_schur_complement_solver.cc
@@ -33,8 +33,6 @@
 #include <algorithm>
 #include <cstring>
 #include <vector>
-
-#include <glog/logging.h>
 #include "Eigen/Dense"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/block_structure.h"
@@ -46,6 +44,7 @@
 #include "ceres/triplet_sparse_matrix.h"
 #include "ceres/types.h"
 #include "ceres/visibility_based_preconditioner.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/iterative_schur_complement_solver_test.cc b/internal/ceres/iterative_schur_complement_solver_test.cc
index 8a38107..d034747 100644
--- a/internal/ceres/iterative_schur_complement_solver_test.cc
+++ b/internal/ceres/iterative_schur_complement_solver_test.cc
@@ -35,19 +35,19 @@
 #include "ceres/iterative_schur_complement_solver.h"
 
 #include <cstddef>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "Eigen/Dense"
 #include "ceres/block_random_access_dense_matrix.h"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/casts.h"
+#include "ceres/internal/eigen.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/linear_solver.h"
 #include "ceres/schur_eliminator.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/eigen.h"
-#include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/levenberg_marquardt_strategy.cc b/internal/ceres/levenberg_marquardt_strategy.cc
index 81070e8..298748f 100644
--- a/internal/ceres/levenberg_marquardt_strategy.cc
+++ b/internal/ceres/levenberg_marquardt_strategy.cc
@@ -31,14 +31,14 @@
 #include "ceres/levenberg_marquardt_strategy.h"
 
 #include <cmath>
-#include "glog/logging.h"
+#include "Eigen/Core"
 #include "ceres/array_utils.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/linear_solver.h"
 #include "ceres/sparse_matrix.h"
 #include "ceres/trust_region_strategy.h"
 #include "ceres/types.h"
-#include "Eigen/Core"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/levenberg_marquardt_strategy_test.cc b/internal/ceres/levenberg_marquardt_strategy_test.cc
index 8338e5f..5f82b57 100644
--- a/internal/ceres/levenberg_marquardt_strategy_test.cc
+++ b/internal/ceres/levenberg_marquardt_strategy_test.cc
@@ -29,7 +29,7 @@
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
 
-#include <glog/logging.h>
+#include "glog/logging.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include "ceres/mock_log.h"
diff --git a/internal/ceres/linear_least_squares_problems.cc b/internal/ceres/linear_least_squares_problems.cc
index ef72cbd..234fc5e 100644
--- a/internal/ceres/linear_least_squares_problems.cc
+++ b/internal/ceres/linear_least_squares_problems.cc
@@ -33,17 +33,17 @@
 #include <cstdio>
 #include <string>
 #include <vector>
-#include <glog/logging.h>
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/block_structure.h"
 #include "ceres/casts.h"
 #include "ceres/compressed_row_sparse_matrix.h"
 #include "ceres/file.h"
-#include "ceres/matrix_proto.h"
-#include "ceres/triplet_sparse_matrix.h"
-#include "ceres/stringprintf.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "ceres/matrix_proto.h"
+#include "ceres/stringprintf.h"
+#include "ceres/triplet_sparse_matrix.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/linear_solver.cc b/internal/ceres/linear_solver.cc
index 5ddfed0..97dbba4 100644
--- a/internal/ceres/linear_solver.cc
+++ b/internal/ceres/linear_solver.cc
@@ -30,13 +30,13 @@
 
 #include "ceres/linear_solver.h"
 
-#include <glog/logging.h>
 #include "ceres/cgnr_solver.h"
 #include "ceres/dense_qr_solver.h"
 #include "ceres/iterative_schur_complement_solver.h"
 #include "ceres/schur_complement_solver.h"
 #include "ceres/sparse_normal_cholesky_solver.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/local_parameterization.cc b/internal/ceres/local_parameterization.cc
index eeae74e..26e7f49 100644
--- a/internal/ceres/local_parameterization.cc
+++ b/internal/ceres/local_parameterization.cc
@@ -28,10 +28,11 @@
 //
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
-#include <glog/logging.h>
-#include "ceres/internal/eigen.h"
 #include "ceres/local_parameterization.h"
+
+#include "ceres/internal/eigen.h"
 #include "ceres/rotation.h"
+#include "glog/logging.h"
 
 namespace ceres {
 
diff --git a/internal/ceres/local_parameterization_test.cc b/internal/ceres/local_parameterization_test.cc
index df59ed3..55c765b 100644
--- a/internal/ceres/local_parameterization_test.cc
+++ b/internal/ceres/local_parameterization_test.cc
@@ -29,12 +29,12 @@
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
 #include <cmath>
-#include "gtest/gtest.h"
 #include "ceres/fpclassify.h"
 #include "ceres/internal/autodiff.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/local_parameterization.h"
 #include "ceres/rotation.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/loss_function_test.cc b/internal/ceres/loss_function_test.cc
index eaeb2d8..8afcbd8 100644
--- a/internal/ceres/loss_function_test.cc
+++ b/internal/ceres/loss_function_test.cc
@@ -32,7 +32,7 @@
 
 #include <cstddef>
 
-#include <glog/logging.h>
+#include "glog/logging.h"
 #include "gtest/gtest.h"
 
 namespace ceres {
diff --git a/internal/ceres/normal_prior.cc b/internal/ceres/normal_prior.cc
index f30bbc8..392d728 100644
--- a/internal/ceres/normal_prior.cc
+++ b/internal/ceres/normal_prior.cc
@@ -32,11 +32,10 @@
 
 #include <cstddef>
 #include <vector>
-
-#include <glog/logging.h>
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 
diff --git a/internal/ceres/numeric_diff_cost_function_test.cc b/internal/ceres/numeric_diff_cost_function_test.cc
index d86bb58..1b17aa6 100644
--- a/internal/ceres/numeric_diff_cost_function_test.cc
+++ b/internal/ceres/numeric_diff_cost_function_test.cc
@@ -34,14 +34,14 @@
 #include <cmath>
 #include <string>
 #include <vector>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
-#include "ceres/stringprintf.h"
-#include "ceres/test_util.h"
 #include "ceres/cost_function.h"
 #include "ceres/internal/macros.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "ceres/stringprintf.h"
+#include "ceres/test_util.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/partitioned_matrix_view.cc b/internal/ceres/partitioned_matrix_view.cc
index fcf8fd5..0722fc8 100644
--- a/internal/ceres/partitioned_matrix_view.cc
+++ b/internal/ceres/partitioned_matrix_view.cc
@@ -35,10 +35,10 @@
 #include <algorithm>
 #include <cstring>
 #include <vector>
-#include <glog/logging.h>
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/block_structure.h"
 #include "ceres/internal/eigen.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/partitioned_matrix_view_test.cc b/internal/ceres/partitioned_matrix_view_test.cc
index 386a084..48f7d24 100644
--- a/internal/ceres/partitioned_matrix_view_test.cc
+++ b/internal/ceres/partitioned_matrix_view_test.cc
@@ -31,15 +31,15 @@
 #include "ceres/partitioned_matrix_view.h"
 
 #include <vector>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "ceres/block_structure.h"
 #include "ceres/casts.h"
+#include "ceres/internal/eigen.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/random.h"
 #include "ceres/sparse_matrix.h"
-#include "ceres/internal/eigen.h"
-#include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/polynomial_solver.cc b/internal/ceres/polynomial_solver.cc
index 027493a..20c0156 100644
--- a/internal/ceres/polynomial_solver.cc
+++ b/internal/ceres/polynomial_solver.cc
@@ -30,12 +30,11 @@
 
 #include "ceres/polynomial_solver.h"
 
-#include <glog/logging.h>
 #include <cmath>
 #include <cstddef>
-
 #include "Eigen/Dense"
 #include "ceres/internal/port.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/problem_impl.cc b/internal/ceres/problem_impl.cc
index 6824247..c186f52 100644
--- a/internal/ceres/problem_impl.cc
+++ b/internal/ceres/problem_impl.cc
@@ -37,16 +37,15 @@
 #include <string>
 #include <utility>
 #include <vector>
-
-#include <glog/logging.h>
+#include "ceres/cost_function.h"
+#include "ceres/loss_function.h"
+#include "ceres/map_util.h"
 #include "ceres/parameter_block.h"
 #include "ceres/program.h"
 #include "ceres/residual_block.h"
 #include "ceres/stl_util.h"
-#include "ceres/map_util.h"
 #include "ceres/stringprintf.h"
-#include "ceres/cost_function.h"
-#include "ceres/loss_function.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/residual_block_utils.cc b/internal/ceres/residual_block_utils.cc
index 395f469..ff18e21 100644
--- a/internal/ceres/residual_block_utils.cc
+++ b/internal/ceres/residual_block_utils.cc
@@ -33,13 +33,13 @@
 #include <cmath>
 #include <cstddef>
 #include <limits>
-#include <glog/logging.h>
 #include "ceres/array_utils.h"
-#include "ceres/residual_block.h"
-#include "ceres/parameter_block.h"
-#include "ceres/stringprintf.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/port.h"
+#include "ceres/parameter_block.h"
+#include "ceres/residual_block.h"
+#include "ceres/stringprintf.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/rotation_test.cc b/internal/ceres/rotation_test.cc
index 3dc8231..65421fa 100644
--- a/internal/ceres/rotation_test.cc
+++ b/internal/ceres/rotation_test.cc
@@ -31,16 +31,15 @@
 #include <cmath>
 #include <limits>
 #include <string>
-
-#include <glog/logging.h>
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "ceres/stringprintf.h"
-#include "ceres/test_util.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/port.h"
 #include "ceres/jet.h"
 #include "ceres/rotation.h"
+#include "ceres/stringprintf.h"
+#include "ceres/test_util.h"
+#include "glog/logging.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/runtime_numeric_diff_cost_function.cc b/internal/ceres/runtime_numeric_diff_cost_function.cc
index ac6d8aa..7af275c 100644
--- a/internal/ceres/runtime_numeric_diff_cost_function.cc
+++ b/internal/ceres/runtime_numeric_diff_cost_function.cc
@@ -35,11 +35,10 @@
 #include <algorithm>
 #include <numeric>
 #include <vector>
-
-#include <glog/logging.h>
 #include "Eigen/Dense"
 #include "ceres/cost_function.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/runtime_numeric_diff_cost_function_test.cc b/internal/ceres/runtime_numeric_diff_cost_function_test.cc
index bc195b8..71469ea 100644
--- a/internal/ceres/runtime_numeric_diff_cost_function_test.cc
+++ b/internal/ceres/runtime_numeric_diff_cost_function_test.cc
@@ -38,14 +38,13 @@
 #include <cmath>
 #include <string>
 #include <vector>
-
-#include <glog/logging.h>
-#include "gtest/gtest.h"
-#include "ceres/stringprintf.h"
-#include "ceres/test_util.h"
 #include "ceres/cost_function.h"
 #include "ceres/internal/macros.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "ceres/stringprintf.h"
+#include "ceres/test_util.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/schur_complement_solver_test.cc b/internal/ceres/schur_complement_solver_test.cc
index ea5c346..6c31c35 100644
--- a/internal/ceres/schur_complement_solver_test.cc
+++ b/internal/ceres/schur_complement_solver_test.cc
@@ -29,18 +29,17 @@
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
 #include <cstddef>
-
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/block_structure.h"
 #include "ceres/casts.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/linear_solver.h"
 #include "ceres/schur_complement_solver.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/schur_eliminator_test.cc b/internal/ceres/schur_eliminator_test.cc
index 5146d47..7fedb96 100644
--- a/internal/ceres/schur_eliminator_test.cc
+++ b/internal/ceres/schur_eliminator_test.cc
@@ -30,20 +30,20 @@
 
 #include "ceres/schur_eliminator.h"
 
-#include <glog/logging.h>
-#include "ceres/file.h"
-#include "gflags/gflags.h"
-#include "gtest/gtest.h"
 #include "Eigen/Dense"
 #include "ceres/block_random_access_dense_matrix.h"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/casts.h"
 #include "ceres/detect_structure.h"
-#include "ceres/linear_least_squares_problems.h"
-#include "ceres/triplet_sparse_matrix.h"
+#include "ceres/file.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "ceres/linear_least_squares_problems.h"
+#include "ceres/triplet_sparse_matrix.h"
 #include "ceres/types.h"
+#include "gflags/gflags.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 // TODO(sameeragarwal): Reduce the size of these tests and redo the
 // parameterization to be more efficient.
diff --git a/internal/ceres/schur_ordering.cc b/internal/ceres/schur_ordering.cc
index c4fc1da..2fe1080 100644
--- a/internal/ceres/schur_ordering.cc
+++ b/internal/ceres/schur_ordering.cc
@@ -30,14 +30,14 @@
 
 #include "ceres/schur_ordering.h"
 
-#include <glog/logging.h>
 #include "ceres/graph.h"
 #include "ceres/graph_algorithms.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/map_util.h"
 #include "ceres/parameter_block.h"
 #include "ceres/program.h"
 #include "ceres/residual_block.h"
-#include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
 
 CERES_HASH_NAMESPACE_START
 
diff --git a/internal/ceres/suitesparse_test.cc b/internal/ceres/suitesparse_test.cc
index 7e688d9..72e3e68 100644
--- a/internal/ceres/suitesparse_test.cc
+++ b/internal/ceres/suitesparse_test.cc
@@ -29,11 +29,11 @@
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
 #include <algorithm>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
+#include "ceres/internal/port.h"
 #include "ceres/suitesparse.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/port.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/system_test.cc b/internal/ceres/system_test.cc
index 88b2f91..b771268 100644
--- a/internal/ceres/system_test.cc
+++ b/internal/ceres/system_test.cc
@@ -43,17 +43,17 @@
 #include <cstdlib>
 #include <string>
 
-#include <glog/logging.h>
+#include "ceres/autodiff_cost_function.h"
 #include "ceres/file.h"
-#include "gflags/gflags.h"
-#include "gtest/gtest.h"
+#include "ceres/problem.h"
+#include "ceres/rotation.h"
+#include "ceres/solver.h"
 #include "ceres/stringprintf.h"
 #include "ceres/test_util.h"
-#include "ceres/autodiff_cost_function.h"
-#include "ceres/problem.h"
-#include "ceres/solver.h"
 #include "ceres/types.h"
-#include "ceres/rotation.h"
+#include "gflags/gflags.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 DECLARE_string(test_srcdir);
 
diff --git a/internal/ceres/test_util.cc b/internal/ceres/test_util.cc
index 2bf4009..e98052d 100644
--- a/internal/ceres/test_util.cc
+++ b/internal/ceres/test_util.cc
@@ -31,9 +31,9 @@
 // Utility functions useful for testing.
 
 #include <cmath>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "ceres/stringprintf.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/triplet_sparse_matrix.cc b/internal/ceres/triplet_sparse_matrix.cc
index 3f5c5ca..4060907 100644
--- a/internal/ceres/triplet_sparse_matrix.cc
+++ b/internal/ceres/triplet_sparse_matrix.cc
@@ -32,12 +32,12 @@
 
 #include <algorithm>
 #include <cstddef>
-#include <glog/logging.h>
-#include "ceres/matrix_proto.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/port.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "ceres/matrix_proto.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/trust_region_minimizer.cc b/internal/ceres/trust_region_minimizer.cc
index a6cb830..d08255f 100644
--- a/internal/ceres/trust_region_minimizer.cc
+++ b/internal/ceres/trust_region_minimizer.cc
@@ -36,17 +36,17 @@
 #include <cstring>
 #include <string>
 #include <vector>
-#include <glog/logging.h>
 
 #include "Eigen/Core"
 #include "ceres/array_utils.h"
 #include "ceres/evaluator.h"
-#include "ceres/linear_least_squares_problems.h"
 #include "ceres/internal/eigen.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "ceres/linear_least_squares_problems.h"
 #include "ceres/sparse_matrix.h"
 #include "ceres/trust_region_strategy.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/unsymmetric_linear_solver_test.cc b/internal/ceres/unsymmetric_linear_solver_test.cc
index 35cec80..f13c5a4 100644
--- a/internal/ceres/unsymmetric_linear_solver_test.cc
+++ b/internal/ceres/unsymmetric_linear_solver_test.cc
@@ -28,15 +28,15 @@
 //
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "ceres/casts.h"
 #include "ceres/compressed_row_sparse_matrix.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/linear_solver.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 
 namespace ceres {
diff --git a/internal/ceres/visibility.cc b/internal/ceres/visibility.cc
index fd41648..9d80654 100644
--- a/internal/ceres/visibility.cc
+++ b/internal/ceres/visibility.cc
@@ -34,11 +34,10 @@
 #include <set>
 #include <vector>
 #include <utility>
-
-#include <glog/logging.h>
 #include "ceres/block_structure.h"
 #include "ceres/collections_port.h"
 #include "ceres/graph.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/visibility_based_preconditioner.cc b/internal/ceres/visibility_based_preconditioner.cc
index 6953075..4caad03 100644
--- a/internal/ceres/visibility_based_preconditioner.cc
+++ b/internal/ceres/visibility_based_preconditioner.cc
@@ -36,7 +36,6 @@
 #include <set>
 #include <utility>
 #include <vector>
-#include <glog/logging.h>
 #include "Eigen/Dense"
 #include "ceres/block_random_access_sparse_matrix.h"
 #include "ceres/block_sparse_matrix.h"
@@ -45,10 +44,11 @@
 #include "ceres/detect_structure.h"
 #include "ceres/graph.h"
 #include "ceres/graph_algorithms.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_solver.h"
 #include "ceres/schur_eliminator.h"
 #include "ceres/visibility.h"
-#include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
 
 namespace ceres {
 namespace internal {
diff --git a/internal/ceres/visibility_based_preconditioner_test.cc b/internal/ceres/visibility_based_preconditioner_test.cc
index 244d0b0..5c4a6e8 100644
--- a/internal/ceres/visibility_based_preconditioner_test.cc
+++ b/internal/ceres/visibility_based_preconditioner_test.cc
@@ -32,21 +32,21 @@
 
 #include "ceres/visibility_based_preconditioner.h"
 
-#include <glog/logging.h>
-#include "ceres/file.h"
-#include "gtest/gtest.h"
 #include "Eigen/Dense"
 #include "ceres/block_random_access_dense_matrix.h"
 #include "ceres/block_random_access_sparse_matrix.h"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/casts.h"
 #include "ceres/collections_port.h"
+#include "ceres/file.h"
+#include "ceres/internal/eigen.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/schur_eliminator.h"
 #include "ceres/stringprintf.h"
-#include "ceres/internal/eigen.h"
-#include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 DECLARE_string(test_srcdir);
 
diff --git a/internal/ceres/visibility_test.cc b/internal/ceres/visibility_test.cc
index ac26dfc..793a19d 100644
--- a/internal/ceres/visibility_test.cc
+++ b/internal/ceres/visibility_test.cc
@@ -33,11 +33,11 @@
 
 #include <set>
 #include <vector>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "ceres/block_structure.h"
 #include "ceres/graph.h"
 #include "ceres/internal/scoped_ptr.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {