quick fix for bug of negative index

92351659 · Guolin Ke · GitHub · 19e085c9 · 92351659
Commit 92351659 authored Nov 24, 2016 by Guolin Ke Committed by GitHub Nov 24, 2016
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src/io/sparse_bin.hpp src/io/sparse_bin.hpp +1 -1

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--- a/src/io/sparse_bin.hpp
+++ b/src/io/sparse_bin.hpp
@@ -279,7 +279,7 @@ inline VAL_T SparseBinIterator<VAL_T>::InnerGet(data_size_t idx) {
  while (cur_pos_ < idx && i_delta_ < bin_data_->num_vals_) {
    bin_data_->NextNonzero(&i_delta_, &cur_pos_);
  }
-  if (cur_pos_ == idx && i_delta_ < bin_data_->num_vals_) {
+  if (cur_pos_ == idx && i_delta_ < bin_data_->num_vals_ && i_delta_ >= 0) {
    return bin_data_->vals_[i_delta_];
  } else {
    return 0;