/**
 *  \file DerivativesToRefined.cpp
 *  \brief Cover a bond with a sphere.
 *
 *  Copyright 2007-2010 IMP Inventors. All rights reserved.
 */

#include "IMP/core/DerivativesToRefined.h"

#include "IMP/core/XYZ.h"

IMPCORE_BEGIN_NAMESPACE

DerivativesToRefined
::DerivativesToRefined(Refiner *r,
                       FloatKeys ks): refiner_(r),
                                      ks_(ks)
{
}


void DerivativesToRefined
::apply(Particle *p,
        DerivativeAccumulator &da) const
{
  Particles ps = refiner_->get_refined(p);

  for (unsigned int i=0; i< ps.size(); ++i) {
    for (unsigned int j=0; j< ks_.size(); ++j) {
      Float f= p->get_derivative(ks_[j]);
      ps[i]->add_to_derivative(ks_[j], f, da);
    }
  }
}

IMP_SINGLETON_MODIFIER_TO_REFINED(DerivativesToRefined, refiner_);

IMPCORE_END_NAMESPACE