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Remove some warnings from clang. (#7533)

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* Unused variable.
* Unnecessary virtual function.
This commit is contained in:
Jiaming Yuan 2022-01-05 03:28:21 +08:00 committed by GitHub
parent ec56d5869b
commit eea094e1bc
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 4 additions and 9 deletions
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4
include/xgboost/json_io.h
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@ -115,12 +115,10 @@ class JsonReader {
class JsonWriter {
static constexpr size_t kIndentSize = 2;
size_t n_spaces_;
std::vector<char>* stream_;
public:
explicit JsonWriter(std::vector<char>* stream) :
n_spaces_{0}, stream_{stream} {}
explicit JsonWriter(std::vector<char>* stream) : stream_{stream} {}
virtual ~JsonWriter() = default;

2
src/c_api/c_api_utils.h
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@ -165,9 +165,9 @@ inline float GetMissing(Json const &config) {
// Safe guard some global variables from being changed by XGBoost.
class XGBoostAPIGuard {
#if defined(XGBOOST_USE_CUDA)
int32_t device_id_ {0};
#if defined(XGBOOST_USE_CUDA)
void SetGPUAttribute();
void RestoreGPUAttribute();
#else

7
src/tree/updater_quantile_hist.h
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@ -166,11 +166,8 @@ class QuantileHistMaker: public TreeUpdater {
builder_monitor_.Init("Quantile::Builder");
}
// update one tree, growing
virtual void Update(const GHistIndexMatrix& gmat,
const ColumnMatrix& column_matrix,
HostDeviceVector<GradientPair>* gpair,
DMatrix* p_fmat,
RegTree* p_tree);
void Update(const GHistIndexMatrix& gmat, const ColumnMatrix& column_matrix,
HostDeviceVector<GradientPair>* gpair, DMatrix* p_fmat, RegTree* p_tree);
bool UpdatePredictionCache(const DMatrix* data,
linalg::VectorView<float> out_preds);