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IMP Reference Guide  2.20.2
The Integrative Modeling Platform
version 2.20.2
GammaPrior.h
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1 /**
2  * \file IMP/isd/GammaPrior.h
3  * \brief A restraint on a scale parameter.
4  *
5  * Copyright 2007-2022 IMP Inventors. All rights reserved.
6  *
7  */
8 
9 #ifndef IMPISD_GAMMA_PRIOR_H
10 #define IMPISD_GAMMA_PRIOR_H
11 
12 #include <IMP/isd/isd_config.h>
13 #include <IMP/SingletonScore.h>
14 #include <IMP/Restraint.h>
15 
16 IMPISD_BEGIN_NAMESPACE
17 
18 //! Uniform distribution with harmonic boundaries
19 
20 class IMPISDEXPORT GammaPrior : public Restraint
21 {
22  Pointer<Particle> p_;
23  Float theta_;
24  Float k_;
25 
26 public:
27  //! Create the restraint.
28  GammaPrior(IMP::Model* m, Particle *p, Float k,
29  Float theta, std::string name="GammaPrior%1%");
30 
31  virtual double
32  unprotected_evaluate(IMP::DerivativeAccumulator *accum)
33  const override;
34  virtual double evaluate_at(Float val) const;
35  virtual IMP::ModelObjectsTemp do_get_inputs() const override;
36  IMP_OBJECT_METHODS(GammaPrior);
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_GAMMA_PRIOR_H */
IMP_OBJECT_METHODS
#define IMP_OBJECT_METHODS(Name)
Define the basic things needed by any Object.
Definition: object_macros.h:25
IMP::Restraint::unprotected_evaluate
virtual double unprotected_evaluate(DerivativeAccumulator *da) const
Return the unweighted score for the restraint.
IMP::Vector
A more IMP-like version of the std::vector.
Definition: Vector.h:42
IMP::isd::GammaPrior
Uniform distribution with harmonic boundaries.
Definition: GammaPrior.h:20
IMP::Pointer
A smart pointer to a reference counted object.
Definition: Pointer.h:87
IMP::Model
Class for storing model, its restraints, constraints, and particles.
Definition: Model.h:86
SingletonScore.h
Define SingletonScore.
IMP::Float
double Float
Basic floating-point value (could be float, double...)
Definition: types.h:19
IMP::Particle
Class to handle individual particles of a Model object.
Definition: Particle.h:43
Restraint.h
Abstract base class for all restraints.
IMP::ModelObject::do_get_inputs
virtual ModelObjectsTemp do_get_inputs() const =0
IMP::DerivativeAccumulator
Class for adding derivatives from restraints to the model.
Definition: DerivativeAccumulator.h:24
IMP::Restraint
A restraint is a term in an IMP ScoringFunction.
Definition: Restraint.h:56