TfLiteStatus Eval(TfLiteContext* context, TfLiteNode* node) {
  const TfLiteTensor* input;
  TF_LITE_ENSURE_OK(context, GetInputSafe(context, node, 0, &input));
  TfLiteTensor* output_index_tensor;
  TF_LITE_ENSURE_OK(context,
                    GetOutputSafe(context, node, 1, &output_index_tensor));
  TF_LITE_ENSURE_EQ(context, NumElements(output_index_tensor),
                    NumElements(input));

  switch (input->type) {
    case kTfLiteInt8:
      TF_LITE_ENSURE_STATUS(EvalImpl<int8_t>(context, input, node));
      break;
    case kTfLiteInt16:
      TF_LITE_ENSURE_STATUS(EvalImpl<int16_t>(context, input, node));
      break;
    case kTfLiteInt32:
      TF_LITE_ENSURE_STATUS(EvalImpl<int32_t>(context, input, node));
      break;
    case kTfLiteInt64:
      TF_LITE_ENSURE_STATUS(EvalImpl<int64_t>(context, input, node));
      break;
    case kTfLiteFloat32:
      TF_LITE_ENSURE_STATUS(EvalImpl<float>(context, input, node));
      break;
    case kTfLiteUInt8:
      TF_LITE_ENSURE_STATUS(EvalImpl<uint8_t>(context, input, node));
      break;
    default:
      context->ReportError(context, "Currently Unique doesn't support type: %s",
                           TfLiteTypeGetName(input->type));
      return kTfLiteError;
  }
  return kTfLiteOk;
}
TfLiteStatus Eval(TfLiteContext* context, TfLiteNode* node) {
  const TfLiteTensor* input;
  TF_LITE_ENSURE_OK(context, GetInputSafe(context, node, 0, &input));
  TfLiteTensor* output_index_tensor;
  TF_LITE_ENSURE_OK(context,
                    GetOutputSafe(context, node, 1, &output_index_tensor));
  TF_LITE_ENSURE_EQ(context, NumElements(output_index_tensor),
                    NumElements(input));

  switch (input->type) {
    case kTfLiteInt8:
      TF_LITE_ENSURE_STATUS(EvalImpl<int8_t>(context, input, node));
      break;
    case kTfLiteInt16:
      TF_LITE_ENSURE_STATUS(EvalImpl<int16_t>(context, input, node));
      break;
    case kTfLiteInt32:
      TF_LITE_ENSURE_STATUS(EvalImpl<int32_t>(context, input, node));
      break;
    case kTfLiteInt64:
      TF_LITE_ENSURE_STATUS(EvalImpl<int64_t>(context, input, node));
      break;
    case kTfLiteFloat32:
      TF_LITE_ENSURE_STATUS(EvalImpl<float>(context, input, node));
      break;
    case kTfLiteUInt8:
      TF_LITE_ENSURE_STATUS(EvalImpl<uint8_t>(context, input, node));
      break;
    default:
      context->ReportError(context, "Currently Unique doesn't support type: %s",
                           TfLiteTypeGetName(input->type));
      return kTfLiteError;
  }
  return kTfLiteOk;
}