public unsafe double[] GetPredict(int dataIdx)
{
long outLen = GetNumPredict(dataIdx);
double[] res = new double[outLen];
fixed (double* ptr = res)
{
PInvokeException.Check(PInvoke.BoosterGetPredict(Handle, dataIdx, ref outLen, ptr),
nameof(PInvoke.BoosterGetPredict));
}
Debug.Assert(outLen == res.Length);
return res;
}