IMP  2.1.1
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 2007-2013 IMP Inventors. All rights reserved.
6  *
7  */
8 
9 #ifndef IMPISD_JEFFREYS_RESTRAINT_H
10 #define IMPISD_JEFFREYS_RESTRAINT_H
11 
12 #include <IMP/restraint_macros.h>
13 #include <IMP/isd/isd_config.h>
14 #include <IMP/SingletonScore.h>
15 #include <IMP/kernel/Restraint.h>
16 
17 IMPISD_BEGIN_NAMESPACE
18 
19 //! Score a Scale particle with log(scale)
20 //! the probability is 1/scale
21 
22 class IMPISDEXPORT JeffreysRestraint : public kernel::Restraint
23 {
24  base::Pointer<Particle> p_;
25 
26 public:
27  //! Create the restraint.
28  JeffreysRestraint(Model *m, Particle *p);
29 
30  virtual double unprotected_evaluate(
31  IMP::kernel::DerivativeAccumulator *accum) const IMP_OVERRIDE;
32  virtual IMP::kernel::ModelObjectsTemp do_get_inputs() const IMP_OVERRIDE;
33 
34  IMP_OBJECT_METHODS(JeffreysRestraint);
35 
36 
37 
38  /* call for probability */
39  virtual double get_probability() const
40  {
41  return exp(-unprotected_evaluate(nullptr));
42  }
43 
44 };
45 
46 IMPISD_END_NAMESPACE
47 
48 #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_macros.h
Import IMP/kernel/restraint_macros.h in the namespace.
Restraint.h
Abstract base class for all restraints.
IMP::kernel::Restraint
A restraint is a term in an IMP ScoringFunction.
Definition: kernel/declare_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/declare_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/declare_Model.h:72