Merge commit '3d11f56880521c1d45504c965ae12886e9b72ace'

subtree/rabit/rabit-learn/utils/data.h

@@ -93,43 +93,6 @@ struct SparseMat {
   std::vector<float> labels;
 };
 
-// dense matrix
-struct Matrix {
-  inline void Init(size_t nrow, size_t ncol, float v = 0.0f) {
-    this->nrow = nrow;
-    this->ncol = ncol;
-    data.resize(nrow * ncol);
-    std::fill(data.begin(), data.end(), v);
-  }
-  inline float *operator[](size_t i) {
-    return &data[0] + i * ncol;
-  }
-  inline const float *operator[](size_t i) const {
-    return &data[0] + i * ncol;
-  }
-  inline void Print(const char *fname) {
-    FILE *fo;
-    if (!strcmp(fname, "stdout")) {
-      fo = stdout;
-    } else {
-      fo = utils::FopenCheck(fname, "w");
-    }
-    for (size_t i = 0; i < data.size(); ++i) {
-      fprintf(fo, "%g", data[i]);
-      if ((i+1) % ncol == 0) {
-        fprintf(fo, "\n");
-      } else {
-        fprintf(fo, " ");
-      }
-    }
-    // close the filed
-    if (fo != stdout) fclose(fo);
-  }
-  // number of data
-  size_t nrow, ncol;
-  std::vector<float> data;
-};
-
 /*!\brief computes a random number modulo the value */
 inline int Random(int value) {
   return rand() % value;