WeightMover.h

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/**
 *  \file IMP/isd/WeightMover.h
 *  \brief A mover that perturbs a Weight particle.
 *
 *  Copyright 2007-2018 IMP Inventors. All rights reserved.
 *
 */

#ifndef IMPISD_WEIGHT_MOVER_H
#define IMPISD_WEIGHT_MOVER_H

#include "isd_config.h"
#include <IMP/core/MonteCarloMover.h>
#include <IMP/algebra/VectorD.h>
#include <IMP/isd/Weight.h>

IMPISD_BEGIN_NAMESPACE

//! A mover that perturbs a Weight particle.
class IMPISDEXPORT WeightMover : public core::MonteCarloMover {
 public:
  /** Mover for weight decorator
      \param[in] w particle
      \param[in] radius maximum radius of displacement
   */
  WeightMover(Particle *w, Float radius);
  void set_radius(Float radius) { radius_ = radius; }
  Float get_radius() { return radius_; }

 protected:
  virtual ModelObjectsTemp do_get_inputs() const IMP_OVERRIDE;
  virtual core::MonteCarloMoverResult do_propose() IMP_OVERRIDE;
  virtual void do_reject() IMP_OVERRIDE;
  IMP_OBJECT_METHODS(WeightMover);

 private:
  Weight w_;
  algebra::VectorKD oldweights_;
  Float radius_;
};

IMPISD_END_NAMESPACE

#endif /* IMPISD_WEIGHT_MOVER_H */