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RangeConfidence.hpp
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RangeConfidence.hpp
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//===-- rosa/agent/RangeConfidence.hpp --------------------------*- C++ -*-===//
//
// The RoSA Framework
//
//===----------------------------------------------------------------------===//
///
/// \file rosa/agent/RangeConfidence.hpp
///
/// \author Benedikt Tutzer (benedikt.tutzer@tuwien.ac.at)
///
/// \date 2019
///
/// \brief Definition of *RangeConfidence* *functionality*.
///
//===----------------------------------------------------------------------===//
#ifndef ROSA_AGENT_RANGECONFIDENCE_HPP
#define ROSA_AGENT_RANGECONFIDENCE_HPP
#include "rosa/agent/Functionality.h"
#include "rosa/agent/Abstraction.hpp"
#include "rosa/agent/FunctionAbstractions.hpp"
#include "rosa/support/debug.hpp"
#include <algorithm>
#include <vector>
#include <cmath>
#include <memory>
namespace rosa {
namespace agent {
/// Evaluates a vector of Abstractions at a given value and returns the results
/// as a vector
///
/// \note This implementation is supposed to be used to abstract ranges of
/// arithmetic types into vectors of another arithmetic type, which is
/// statically enforced.
///
/// \tparam T type to abstract from
/// \tparam A type to abstract a vector of to
template <typename T, typename A, typename B>
class RangeConfidence : protected Abstraction<T, std::map<A, B>>,
private std::map<A, PartialFunction<T, B>>{
// Make sure the actual type arguments are matching our expectations.
STATIC_ASSERT((std::is_arithmetic<T>::value), "abstracting not arithmetic");
STATIC_ASSERT((std::is_arithmetic<B>::value),
"abstracting not to arithmetic");
// Bringing into scope inherited members.
using std::map<A, PartialFunction<T, B>>::size;
using std::map<A, PartialFunction<T, B>>::begin;
using std::map<A, PartialFunction<T, B>>::end;
private:
bool IgnoreDefaults;
public:
/// Creates an instance by Initializing the underlying \c RangeAbstraction.
///
/// \param Abstractions the Abstractions to be evaluated
RangeConfidence(const std::map<A, PartialFunction<T, B>> &Abstractions,
bool IgnoreDefaults = false)
: Abstraction<T, std::map<A, B>>({}),
std::map<A, PartialFunction<T, B>>(Abstractions),
IgnoreDefaults(IgnoreDefaults){
}
/// Destroys \p this object.
~RangeConfidence(void) = default;
/// Evaluates an Abstraction from type \p T to type \p A based on the set
/// mapping.
///
/// Results in the value associated by the set mapping to the argument, or
/// \c rosa::agent::RangeAbstraction::Default if the actual argument is not
/// included in any of the ranges in the set mapping.
///
/// \param V value to abstract
///
/// \return the abstracted value based on the set mapping
std::map<A, B> operator()(const T &V) const noexcept override {
std::map<A, B> ret;
for (auto const& p : ((std::map<A, PartialFunction<T, B>>)*this)){
B res = p.second(V);
if(!IgnoreDefaults || p.second.Default != res)
ret.insert(std::pair<A, B>(p.first, res));
}
return ret;
}
};
} // End namespace agent
} // End namespace rosa
#endif // ROSA_AGENT_RANGECONFIDENCE_HPP

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