Problem::Evaluate implementation.
1. Add Problem::Evaluate and tests.
2. Remove Solver::Summary::initial/final_*
3. Remove Solver::Options::return_* members.
4. Various cpplint cleanups.
Change-Id: I4266de53489896f72d9c6798c5efde6748d68a47
diff --git a/internal/ceres/linear_solver.h b/internal/ceres/linear_solver.h
index 219939e..a980514 100644
--- a/internal/ceres/linear_solver.h
+++ b/internal/ceres/linear_solver.h
@@ -35,17 +35,16 @@
#define CERES_INTERNAL_LINEAR_SOLVER_H_
#include <cstddef>
+#include <map>
#include <vector>
-
-#include <glog/logging.h>
#include "ceres/block_sparse_matrix.h"
#include "ceres/casts.h"
#include "ceres/compressed_row_sparse_matrix.h"
#include "ceres/dense_sparse_matrix.h"
#include "ceres/execution_summary.h"
-#include "ceres/execution_summary.h"
#include "ceres/triplet_sparse_matrix.h"
#include "ceres/types.h"
+#include "glog/logging.h"
namespace ceres {
namespace internal {
