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

#include "IMP/core/DerivativesFromRefined.h"

#include "IMP/core/XYZ.h"

IMPCORE_BEGIN_NAMESPACE

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


void DerivativesFromRefined
::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= ps[i]->get_derivative(ks_[j]);
      p->add_to_derivative(ks_[j], f, da);
    }
  }
}


IMP_SINGLETON_MODIFIER_FROM_REFINED(DerivativesFromRefined, refiner_);


IMPCORE_END_NAMESPACE