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Get rid of a few trivial compiler warnings. (#4312)

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This commit is contained in:
Hajime Morrita
2019-03-30 09:02:29 -07:00
committed by Jiaming Yuan
parent ad4de0d718
commit 680a1b36f3
5 changed files with 4 additions and 6 deletions
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4
src/data/sparse_page_dmatrix.cc
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@@ -81,12 +81,12 @@ float SparsePageDMatrix::GetColDensity(size_t cidx) {
if (col_density_.empty()) {
std::vector<size_t> column_size(this->Info().num_col_);
for (const auto &batch : this->GetColumnBatches()) {
for (int i = 0; i < batch.Size(); i++) {
for (auto i = 0u; i < batch.Size(); i++) {
column_size[i] += batch[i].size();
}
}
col_density_.resize(column_size.size());
for (int i = 0; i < col_density_.size(); i++) {
for (auto i = 0u; i < col_density_.size(); i++) {
size_t nmiss = this->Info().num_row_ - column_size[i];
col_density_[i] =
1.0f - (static_cast<float>(nmiss)) / this->Info().num_row_;