TTTT Analysis  0.1
filter.hpp
Go to the documentation of this file.
1 
37 #ifndef filter_h
38 #define filter_h
39 #include <iostream>
40 #include <functional>
41 #include "value.hpp"
42 namespace fv {
43 
44 class ObsFilter : public DerivedValue<bool>{
45  private:
46  Function<bool()>& filter_function;
47 
48  void update_value(){
49  value = filter_function();
50  }
51 
52  void verify_integrity(){ };
53 
54  public:
55  ObsFilter(const std::string& name, std::function<bool()> filter_function, const std::string& impl="")
56  :DerivedValue<bool>(name),
57  filter_function(GenFunction::register_function<bool()>("filter::"+name, filter_function, impl)){ }
58 
61  static ObsFilter* conj(ObsFilter *f1, ObsFilter *f2){
62  auto new_name = f1->get_name() + "&&" + f2->get_name();
63  return new ObsFilter(new_name, [f1,f2](){return f1->get_value() && f2->get_value();});
64  }
65 
68  static ObsFilter* disj(ObsFilter *f1, ObsFilter *f2){
69  auto new_name = f1->get_name() + "||" + f2->get_name();
70  return new ObsFilter(new_name, [f1, f2](){return f1->get_value() && f2->get_value();});
71  }
72 
75  ObsFilter* operator*(ObsFilter *f){
76  auto new_name = this->get_name() + "&&" + f->get_name();
77  return new ObsFilter(new_name, [this, f](){return this->get_value() && f->get_value();});
78  }
79 
83  ObsFilter* operator+(ObsFilter *f){
84  auto new_name = this->get_name() + "||" + f->get_name();
85  return new ObsFilter(new_name, [this, f](){return this->get_value() || f->get_value();});
86  }
87 
90  ObsFilter* operator!(){
91  auto new_name = std::string("!(") + this->get_name() + std::string(")");
92  return new ObsFilter(new_name, [this](){return !this->get_value();});
93  }
94 };
95 
96 template <typename T>
97 class RangeObsFilter : public ObsFilter{
98  private:
99  public:
100  RangeObsFilter(const std::string name, Value<T>* test_value, T range_low, T range_high):
101  ObsFilter(name, [test_value, range_low, range_high]{
102  T val = test_value->get_value();
103  return (val >= range_low) && (val < range_high);
104  }) { }
105 };
106 }
107 #endif // filter_h
The namespace containing all filval classes and functions.
Definition: api.hpp:46