687             const CvMat* _sample_weights, const CvMat* _sample_idx,  in prepare_to_train()  argument
739     if( _sample_weights )  in prepare_to_train()
741         if( !CV_IS_MAT(_sample_weights) )  in prepare_to_train()
744         sw_type = CV_MAT_TYPE(_sample_weights->type);  in prepare_to_train()
745         sw_count = _sample_weights->cols + _sample_weights->rows - 1;  in prepare_to_train()
748             _sample_weights->cols != 1 && _sample_weights->rows != 1 ||  in prepare_to_train()
754         sw_step = CV_IS_MAT_CONT(_sample_weights->type) ? 1 :  in prepare_to_train()
755             _sample_weights->step/CV_ELEM_SIZE(sw_type);  in prepare_to_train()
776                 (double)_sample_weights->data.fl[si*sw_step] :  in prepare_to_train()
777                 _sample_weights->data.db[si*sw_step];  in prepare_to_train()
817                       const CvMat* _sample_weights, const CvMat* _sample_idx,  in train()  argument
839     CV_CALL( prepare_to_train( _inputs, _outputs, _sample_weights,  in train()