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IMP Reference Guide  2.20.2
The Integrative Modeling Platform
PairPredicate.h
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1 // Autogenerated by ../../../../tmp/nightly-build-36632/imp-2.20.2/tools/build/make_containers.py
2 // from ../../../../tmp/nightly-build-36632/imp-2.20.2/tools/build/container_templates/kernel/ClassnamePredicate.h
3 // Do not edit - any changes will be lost!
4 
5 /**
6  * \file IMP/PairPredicate.h
7  * \brief Define PairPredicate.
8  *
9  * Copyright 2007-2022 IMP Inventors. All rights reserved.
10  */
11 
12 #ifndef IMPKERNEL_PAIR_PREDICATE_H
13 #define IMPKERNEL_PAIR_PREDICATE_H
14 
15 #include <IMP/kernel_config.h>
16 #include "base_types.h"
17 #include "DerivativeAccumulator.h"
18 #include "internal/container_helpers.h"
19 #include "model_object_helpers.h"
20 
21 IMPKERNEL_BEGIN_NAMESPACE
22 
23 //! Abstract predicate function
24 /** A predicate is a function which returns one of a discrete set of
25  values (eg -1, 0, 1 depending on whether a value is negative, zero
26  or positive). PairPredicates will evaluate the predicate for the passed
27  particles.
28 
29  Implementers should check out IMP_PAIR_PREDICATE().
30 */
31 class IMPKERNELEXPORT PairPredicate : public ParticleInputs,
32  public Object {
33  public:
34  typedef ParticlePair Argument;
36  PairPredicate(std::string name = "PairPredicate %1%");
37 
38 #if !defined(IMP_DOXYGEN) && !defined(SWIG)
39  //! remove any particles in ps for which this predicate evaluates to v
40  virtual void remove_if_equal(Model *m, ParticleIndexPairs &ps,
41  int v) const;
42  //! remove any particles in ps for which this predicate does not evaluate to v
43  virtual void remove_if_not_equal(Model *m, ParticleIndexPairs &ps,
44  int v) const;
45 #endif
46 
47  //! Compute the predicate and the derivative if needed.
48  virtual int get_value_index(Model *m, const ParticleIndexPair& vt) const = 0;
49 
50  //! Setup for a batch of calls to get_value_index_in_batch()
51  //! (could be used for improving performance - e.g. preload various
52  //! tables from model)
53  virtual void setup_for_get_value_index_in_batch(Model*) const {};
54 
55  //! Same as get_value_index, but possibly with optimizations
56  //! for a batch of calls. Call setup_for_get_value_index_in_batch()
57  //! right before calling a batch of those.
58  virtual int get_value_index_in_batch(Model* m, const ParticleIndexPair& vt) const{
59  return get_value_index(m, vt);
60  }
61 
62  //! Enable them to be use as functors
63  /** But beware of slicing.
64  */
65  int operator()(Model *m, const ParticleIndexPair& vt) const {
66  return get_value_index(m, vt);
67  }
68 
69  virtual Ints get_value_index(Model *m,
70  const ParticleIndexPairs &o) const {
71  Ints ret(o.size());
72  for (unsigned int i = 0; i < o.size(); ++i) {
73  ret[i] += get_value_index(m, o[i]);
74  }
75  return ret;
76  }
77 
78  IMP_REF_COUNTED_DESTRUCTOR(PairPredicate);
79 };
80 
81 IMPKERNEL_END_NAMESPACE
82 
83 #endif /* IMPKERNEL_PAIR_PREDICATE_H */
virtual int get_value_index_in_batch(Model *m, const ParticleIndexPair &vt) const
Definition: PairPredicate.h:58
Basic types used by IMP.
A class to store a fixed array of same-typed values.
Definition: Array.h:35
Class for adding derivatives from restraints to the model.
int operator()(Model *m, const ParticleIndexPair &vt) const
Enable them to be use as functors.
Definition: PairPredicate.h:65
Base class for objects that take particle arguments and read from them.
#define IMP_REF_COUNTED_DESTRUCTOR(Name)
Set up destructor for a ref counted object.
virtual void setup_for_get_value_index_in_batch(Model *) const
Definition: PairPredicate.h:53
Class for storing model, its restraints, constraints, and particles.
Definition: Model.h:86
Common base class for heavy weight IMP objects.
Definition: Object.h:111
Classes used in the construction of ModelObjects.
Abstract predicate function.
Definition: PairPredicate.h:31