text: /*
   * Copyright 2018-present Facebook, Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include <folly/stats/QuantileEstimator-defs.h>
  
  namespace folly {
  namespace detail {
  
  QuantileEstimates estimatesFromDigest(
      const TDigest& digest,
      Range<const double*> quantiles) {
    QuantileEstimates result;
    result.quantiles.reserve(quantiles.size());
    result.sum = digest.sum();
    result.count = digest.count();
    for (auto& quantile : quantiles) {
      result.quantiles.push_back(
          std::make_pair(quantile, digest.estimateQuantile(quantile)));
    }
    return result;
  }
  
  } // namespace detail
  
  template class SimpleQuantileEstimator<std::chrono::steady_clock>;
  template class SlidingWindowQuantileEstimator<std::chrono::steady_clock>;
  
  } // namespace folly
  