Esempio n. 1
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 DLLEXPORT void XGBoosterUpdateInteract( void *handle, void *dtrain, const char *action ){
     Booster *bst = static_cast<Booster*>(handle);
     DMatrix *dtr = static_cast<DMatrix*>(dtrain); 
     bst->CheckInit(); dtr->CheckInit(); 
     std::string act( action );
     bst->UpdateInteract( act, *dtr );
 }
Esempio n. 2
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 DLLEXPORT void XGBoosterBoostOneIter( void *handle, void *dtrain, 
                             float *grad, float *hess, size_t len, int bst_group ){
     Booster *bst = static_cast<Booster*>(handle);
     DMatrix *dtr = static_cast<DMatrix*>(dtrain);
     bst->CheckInit(); dtr->CheckInit(); 
     bst->BoostOneIter( *dtr, grad, hess, len, bst_group );
 }      
Esempio n. 3
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    // xgboost implementation
    DLLEXPORT void *XGBoosterCreate( void *dmats[], size_t len ){

        std::vector<xgboost::regrank::DMatrix*> mats;
        for( size_t i = 0; i < len; ++i ){
            DMatrix *dtr = static_cast<DMatrix*>(dmats[i]);
            dtr->CheckInit();
            log_debug("XGBoosterCreate: * i=%u", (unsigned int)i);
            mats.push_back( dtr );
            log_debug("XGBoosterCreate: ** i=%u", (unsigned int)i);
        }
       
        log_debug("XGBoosterCreate: xxxx");
        log_debug("XGBoosterCreate: mats=%u", (unsigned int)mats.size());
        void *booster = new Booster( mats );
        log_debug("XGBoosterCreate: booster=%p", booster);
        return booster;
    }
Esempio n. 4
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 DLLEXPORT void XGBoosterUpdateOneIter( void *handle, void *dtrain ){
     Booster *bst = static_cast<Booster*>(handle);
     DMatrix *dtr = static_cast<DMatrix*>(dtrain);
     bst->CheckInit(); dtr->CheckInit();
     bst->UpdateOneIter( *dtr );
 }