How to specify &[f64] input? about gbdt-rs

[litongxin1991]

You can change the ValueType to f64 . Then gbdt-rs will support f64.
See https://github.com/mesalock-linux/gbdt-rs/blob/master/src/decision_tree.rs#L125

README describes the steps to use pretrained xgboost model. And there are examples in examples/test-xgb*.
You can use examples/convert_xgboost.py to convert the xgboost model to gbdt-rs model.
The comments in the examples will show you some detailed commands to use the script.
For example, https://github.com/mesalock-linux/gbdt-rs/blob/master/examples/test-xgb-reg-logistic.rs#L10