some lint

src/io/page_dmatrix-inl.hpp

@@ -5,6 +5,7 @@
  * row iterator based on sparse page
  * \author Tianqi Chen
  */
+#include <vector>
 #include "../data.h"
 #include "../utils/iterator.h"
 #include "../utils/thread_buffer.h"
@@ -15,7 +16,7 @@ namespace io {
 /*! \brief page structure that can be used to store a rowbatch */
 struct RowBatchPage {
  public:
-  RowBatchPage(size_t page_size) : kPageSize(page_size) {
+  explicit RowBatchPage(size_t page_size) : kPageSize(page_size) {
     data_ = new int[kPageSize];
     utils::Assert(data_ != NULL, "fail to allocate row batch page");
     this->Clear();
@@ -85,8 +86,8 @@ struct RowBatchPage {
  private:
   /*! \return number of elements */
   inline size_t FreeBytes(void) {
-    return (kPageSize - (Size() + 2)) * sizeof(int) 
-        - row_ptr(Size()) * sizeof(RowBatch::Entry) ;
+    return (kPageSize - (Size() + 2)) * sizeof(int) -
+        row_ptr(Size()) * sizeof(RowBatch::Entry);
   }
   /*! \brief equivalent row pointer at i */
   inline int& row_ptr(int i) {
@@ -108,8 +109,7 @@ class ThreadRowPageIterator: public utils::IIterator<RowBatch> {
     page_ = NULL;
     base_rowid_ = 0;
   }
-  virtual ~ThreadRowPageIterator(void) {    
-  }
+  virtual ~ThreadRowPageIterator(void) {}
   virtual void Init(void) {
   }
   virtual void BeforeFirst(void) {
@@ -152,6 +152,7 @@ class ThreadRowPageIterator: public utils::IIterator<RowBatch> {
   }
   /*! \brief page size 64 MB */
   static const size_t kPageSize = 64 << 18;
+
  private:
   // base row id
   size_t base_rowid_;
@@ -249,8 +250,8 @@ class DMatrixPageBase : public DataMatrix {
   }
   /*! \brief magic number used to identify DMatrix */
   static const int kMagic = TKMagic;
- protected:
 
+ protected:
   /*! \brief row iterator */
   ThreadRowPageIterator *iter_;
 };

src/io/page_fmatrix-inl.hpp

@@ -5,6 +5,9 @@
  * sparse page manager for fmatrix
  * \author Tianqi Chen
  */
+#include <vector>
+#include <string>
+#include <algorithm>
 #include "../data.h"
 #include "../utils/iterator.h"
 #include "../utils/io.h"
@@ -52,6 +55,7 @@ class CSCMatrixManager {
       batch.col_data  = BeginPtr(col_data);
       return batch;
     }
+
    private:
     /*! \brief buffer space, not to be changed since ready */
     std::vector<ColBatch::Entry> buffer;
@@ -124,6 +128,7 @@ class CSCMatrixManager {
       }
     }
   }
+
  private:
   /*! \brief fill a page with */
   inline bool TryFill(size_t cidx, Page *p_page) {
@@ -187,7 +192,8 @@ class ThreadColPageIterator : public utils::IIterator<ColBatch> {
   inline const std::vector<size_t> &col_ptr(void) const {
     return itr_.get_factory().col_ptr();
   }
-  inline void SetColSet(const std::vector<bst_uint> &cset, bool setall = false) {
+  inline void SetColSet(const std::vector<bst_uint> &cset,
+                        bool setall = false) {
     itr_.get_factory().SetColSet(cset, setall);
   }
 
@@ -197,7 +203,6 @@ class ThreadColPageIterator : public utils::IIterator<ColBatch> {
   // internal iterator
   utils::ThreadBuffer<CSCMatrixManager::PagePtr, CSCMatrixManager> itr_;
 };
-
 /*!
  * \brief sparse matrix that support column access
  */
@@ -295,7 +300,6 @@ class FMatrixPage : public IFMatrix {
     utils::FileStream fo(utils::FopenCheck(fname, "wb+"));
     // use 64M buffer
     utils::SparseCSRFileBuilder<ColBatch::Entry> builder(&fo, buffer_size);
-    
     // start working
     row_iter_->BeforeFirst();
     while (row_iter_->Next()) {
@@ -350,7 +354,7 @@ class FMatrixPage : public IFMatrix {
 
 class DMatrixColPage : public DMatrixPageBase<0xffffab03> {
  public:
-  DMatrixColPage(const char *fname) {
+  explicit DMatrixColPage(const char *fname) {
     std::string fext = fname;
     fext += ".col";
     fmat_ = new FMatrixPage(iter_, fext.c_str());