crosscorrelate.h

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/*
 * Copyright 2009-2020 The VOTCA Development Team (http://www.votca.org)
 *
 * 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.
 *
 */
 
#ifndef VOTCA_TOOLS_CROSSCORRELATE_H
#define VOTCA_TOOLS_CROSSCORRELATE_H
 
// Standard includes
#include <iostream>
#include <vector>
 
// Local VOTCA includes
#include "datacollection.h"
#include "eigen.h"
#include "types.h"
 
namespace votca {
namespace tools {
 
class CrossCorrelate {
 public:
  CrossCorrelate() = default;
  ~CrossCorrelate() = default;
 
  void AutoCorrelate(DataCollection<double>::selection& data);
 
  std::vector<double>& getData() { return corrfunc_; }
  const std::vector<double>& getData() const { return corrfunc_; }
 
 private:
  std::vector<double> corrfunc_;
};
 
inline std::ostream& operator<<(std::ostream& out, const CrossCorrelate& c) {
  for (Index i = 0; i < Index(c.getData().size()); i++) {
    out << i << " " << c.getData()[i] << std::endl;
  }
  return out;
}
 
}  // namespace tools
}  // namespace votca
 
#endif  // VOTCA_TOOLS_CROSSCORRELATE_H