IMP  2.2.1
The Integrative Modeling Platform
JeffreysRestraint.h
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1 /**
2  * \file IMP/isd/JeffreysRestraint.h
3  * \brief A restraint on a scale parameter.
4  *
5  * Copyright 2007-2014 IMP Inventors. All rights reserved.
6  *
7  */
8 
9 #ifndef IMPISD_JEFFREYS_RESTRAINT_H
10 #define IMPISD_JEFFREYS_RESTRAINT_H
11 
12 #include <IMP/isd/isd_config.h>
13 #include <IMP/SingletonScore.h>
14 #include <IMP/kernel/Restraint.h>
15 
16 IMPISD_BEGIN_NAMESPACE
17 
18 //! Score a Scale particle with log(scale)
19 //! the probability is 1/scale
20 
21 class IMPISDEXPORT JeffreysRestraint : public kernel::Restraint {
22  base::Pointer<Particle> p_;
23 
24  public:
25  //! Create the restraint.
26  JeffreysRestraint(Model *m, Particle *p);
27 
28  virtual double unprotected_evaluate(IMP::kernel::DerivativeAccumulator *accum)
29  const IMP_OVERRIDE;
30  virtual IMP::kernel::ModelObjectsTemp do_get_inputs() const IMP_OVERRIDE;
31 
32  IMP_OBJECT_METHODS(JeffreysRestraint);
33 
34  /* call for probability */
35  virtual double get_probability() const {
36  return exp(-unprotected_evaluate(nullptr));
37  }
38 };
39 
40 IMPISD_END_NAMESPACE
41 
42 #endif /* IMPISD_JEFFREYS_RESTRAINT_H */
IMP::kernel::DerivativeAccumulator
Class for adding derivatives from restraints to the model.
Definition: kernel/DerivativeAccumulator.h:25
IMP::base::Pointer
A smart pointer to a reference counted object.
Definition: base/Pointer.h:87
Restraint.h
Abstract base class for all restraints.
IMP::kernel::Restraint
A restraint is a term in an IMP ScoringFunction.
Definition: kernel/Restraint.h:52
IMP_OBJECT_METHODS
#define IMP_OBJECT_METHODS(Name)
Define the basic things needed by any Object.
Definition: base/object_macros.h:25
IMP::kernel::Particle
Class to handle individual model particles.
Definition: kernel/Particle.h:34
SingletonScore.h
Import IMP/kernel/SingletonScore.h in the namespace.
IMP::kernel::ModelObject::do_get_inputs
virtual ModelObjectsTemp do_get_inputs() const =0
IMP::kernel::Model
Class for storing model, its restraints, constraints, and particles.
Definition: kernel/Model.h:72