Data interface ready

old_src/io/io.h

@@ -1,47 +0,0 @@
-/*!
- * Copyright 2014 by Contributors
- * \file io.h
- * \brief handles input data format of xgboost
- *    I/O module handles a specific DMatrix format
- * \author Tianqi Chen
- */
-#ifndef XGBOOST_IO_IO_H_
-#define XGBOOST_IO_IO_H_
-
-#include "../data.h"
-#include "../learner/dmatrix.h"
-
-namespace xgboost {
-/*! \brief namespace related to data format */
-namespace io {
-/*! \brief DMatrix object that I/O module support save/load */
-typedef learner::DMatrix DataMatrix;
-/*!
- * \brief load DataMatrix from stream
- * \param fname file name to be loaded
- * \param silent whether print message during loading
- * \param savebuffer whether temporal buffer the file if the file is in text format
- * \param loadsplit whether we only load a split of input files
- *        such that each worker node get a split of the data
- * \param cache_file name of cache_file, used by external memory version
- *        can be NULL, if cache_file is specified, this will be the temporal
- *        space that can be re-used to store intermediate data
- * \return a loaded DMatrix
- */
-DataMatrix* LoadDataMatrix(const char *fname,
-                           bool silent,
-                           bool savebuffer,
-                           bool loadsplit,
-                           const char *cache_file = NULL);
-/*!
- * \brief save DataMatrix into stream,
- *  note: the saved dmatrix format may not be in exactly same as input
- *  SaveDMatrix will choose the best way to materialize the dmatrix.
- * \param dmat the dmatrix to be saved
- * \param fname file name to be saved
- * \param silent whether print message during saving
- */
-void SaveDataMatrix(const DataMatrix &dmat, const char *fname, bool silent = false);
-}  // namespace io
-}  // namespace xgboost
-#endif  // XGBOOST_IO_IO_H_