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diff --git a/examples/agent-functionalities/agent-functionalities.cpp b/examples/agent-functionalities/agent-functionalities.cpp
index b09b72e..8ad2288 100644
--- a/examples/agent-functionalities/agent-functionalities.cpp
+++ b/examples/agent-functionalities/agent-functionalities.cpp
@@ -1,169 +1,169 @@
//===-- examples/agent-functionalities/agent-functionalities.cpp *-- C++-*-===//
//
// The RoSA Framework
//
//===----------------------------------------------------------------------===//
///
/// \file examples/agent-functionalities/agent-functionalities.cpp
///
/// \author David Juhasz (david.juhasz@tuwien.ac.at)
///
/// \date 2017
///
/// \brief A simple example on defining \c rosa::Agent instances using
/// \c rosa::agent::Functionality object as components.
///
//===----------------------------------------------------------------------===//
#include "rosa/agent/Abstraction.hpp"
#include "rosa/agent/LinearFunctions.hpp"
#include "rosa/agent/Confidence.hpp"
#include "rosa/config/version.h"
#include "rosa/core/Agent.hpp"
#include "rosa/core/MessagingSystem.hpp"
#include "rosa/support/log.h"
#include "rosa/support/terminal_colors.h"
#include <vector>
using namespace rosa;
using namespace rosa::agent;
using namespace rosa::terminal;
/// A dummy wrapper for testing \c rosa::MessagingSystem.
///
/// \note Since we test \c rosa::MessagingSystem directly here, we need to get
/// access to its protected members. That we do by imitating to be a decent
/// subclass of \c rosa::MessagingSystem, while calling protected member
/// functions on an object of a type from which we actually don't inherit.
struct SystemTester : protected MessagingSystem {
template <typename T, typename... Funs>
static AgentHandle createMyAgent(MessagingSystem *S, const std::string &Name,
Funs &&... Fs) {
return ((SystemTester *)S)->createAgent<T>(Name, std::move(Fs)...);
}
static void destroyMyAgent(MessagingSystem *S, const AgentHandle &H) {
((SystemTester *)S)->destroyUnit(unwrapAgent(H));
}
};
/// A special \c rosa::Agent with its own state.
class MyAgent : public Agent {
public:
using Tick = AtomConstant<atom("tick")>;
private:
enum class Categories { Bad, Normal, Good };
static const std::map<Categories, const char *> CategoryNames;
History<uint8_t, 10, HistoryPolicy::FIFO> H;
Confidence<uint8_t> C;
RangeAbstraction<uint8_t, Categories> A;
PartialFunction<int, int> L;
RangeConfidence<float, float> RCL;
RangeConfidence<float, float> RCS;
public:
void handler(Tick, uint8_t V) noexcept {
// Record \p V to the \c rosa::agent::History, then print state info.
H << V;
ASSERT(H.entry() == V); // Sanity check.
LOG_INFO_STREAM << "\nNext value: " << PRINTABLE(V)
<< ", confidence: " << C(H)
<< ", category: " << CategoryNames.at(A(H.entry()))
<< ", partial: " << int(L(H.entry()))
<< ", range-confidence-linear: ";
std::vector<float> res_lin = RCL(H.entry());
for (auto i : res_lin){
LOG_INFO_STREAM << " " << i;
}
LOG_INFO_STREAM << ", range-confidence-sine: ";
std::vector<float> res_sine = RCS(H.entry());
for (auto i : res_sine){
LOG_INFO_STREAM << " " << i;
}
LOG_INFO_STREAM << '\n';
}
MyAgent(const AtomValue Kind, const rosa::id_t Id, const std::string &Name,
MessagingSystem &S)
: Agent(Kind, Id, Name, S, THISMEMBER(handler)), H(), C(5, 20, 1),
A({{{(uint8_t)10, (uint8_t)14}, Categories::Normal},
{{(uint8_t)15, (uint8_t)17}, Categories::Good},
{{(uint8_t)18, (uint8_t)19}, Categories::Normal}},
Categories::Bad),
- L({{{0, 2}, new LinearFunction<int,int>(0, 1)},
- {{2, 4}, new LinearFunction<int,int>(2, 0)},
- {{4, 6}, new LinearFunction<int,int>(6, -1)}},
+ L({{{0, 2}, std::make_shared<LinearFunction<int, int>>(0, 1)},
+ {{2, 4}, std::make_shared<LinearFunction<int, int>>(2, 0)},
+ {{4, 6}, std::make_shared<LinearFunction<int, int>>(6, -1)}},
0),
RCL({
PartialFunction<float, float>({
- {{0, 3}, new LinearFunction<float, float>(0, 1.0/3)},
- {{3, 6}, new LinearFunction<float, float>(1, 0)},
- {{6, 9}, new LinearFunction<float, float>(3.0, -1.0/3)},
+ {{0, 3}, std::make_shared<LinearFunction<float, float>>(0, 1.0/3)},
+ {{3, 6}, std::make_shared<LinearFunction<float, float>>(1, 0)},
+ {{6, 9}, std::make_shared<LinearFunction<float, float>>(3.0, -1.0/3)},
},0),
PartialFunction<float, float>({
- {{6, 9}, new LinearFunction<float, float>(-2, 1.0/3)},
- {{9, 12}, new LinearFunction<float, float>(1, 0)},
- {{12, 15}, new LinearFunction<float, float>(5, -1.0/3)},
+ {{6, 9}, std::make_shared<LinearFunction<float, float>>(-2, 1.0/3)},
+ {{9, 12}, std::make_shared<LinearFunction<float, float>>(1, 0)},
+ {{12, 15}, std::make_shared<LinearFunction<float, float>>(5, -1.0/3)},
},0),
PartialFunction<float, float>({
- {{12, 15}, new LinearFunction<float, float>(-4, 1.0/3)},
- {{15, 18}, new LinearFunction<float, float>(1, 0)},
- {{18, 21}, new LinearFunction<float, float>(7, -1.0/3)},
+ {{12, 15}, std::make_shared<LinearFunction<float, float>>(-4, 1.0/3)},
+ {{15, 18}, std::make_shared<LinearFunction<float, float>>(1, 0)},
+ {{18, 21}, std::make_shared<LinearFunction<float, float>>(7, -1.0/3)},
},0)
}),
RCS({
PartialFunction<float, float>({
- {{0, 3}, new SineFunction<float, float>
+ {{0, 3}, std::make_shared<SineFunction<float, float>>
(M_PI/3, 0.5, -M_PI/2, 0.5)},
- {{3, 6}, new LinearFunction<float, float>(1, 0)},
- {{6, 9}, new SineFunction<float, float>
+ {{3, 6}, std::make_shared<LinearFunction<float, float>>(1, 0)},
+ {{6, 9}, std::make_shared<SineFunction<float, float>>
(M_PI/3, 0.5, -M_PI/2 + 3, 0.5)},
},0),
PartialFunction<float, float>({
- {{6, 9}, new SineFunction<float, float>
+ {{6, 9}, std::make_shared<SineFunction<float, float>>
(M_PI/3, 0.5, -M_PI/2, 0.5)},
- {{9, 12}, new LinearFunction<float, float>(1, 0)},
- {{12, 15}, new SineFunction<float, float>
+ {{9, 12}, std::make_shared<LinearFunction<float, float>>(1, 0)},
+ {{12, 15}, std::make_shared<SineFunction<float, float>>
(M_PI/3, 0.5, -M_PI/2 + 3, 0.5)},
},0),
PartialFunction<float, float>({
- {{12, 15}, new SineFunction<float, float>
+ {{12, 15}, std::make_shared<SineFunction<float, float>>
(M_PI/3, 0.5, -M_PI/2, 0.5)},
- {{15, 18}, new LinearFunction<float, float>(1, 0)},
- {{18, 21}, new SineFunction<float, float>
+ {{15, 18}, std::make_shared<LinearFunction<float, float>>(1, 0)},
+ {{18, 21}, std::make_shared<SineFunction<float, float>>
(M_PI/3, 0.5, -M_PI/2 + 3, 0.5)},
},0)
}){}
};
const std::map<MyAgent::Categories, const char *> MyAgent::CategoryNames{
{Categories::Bad, "Bad"},
{Categories::Normal, "Normal"},
{Categories::Good, "Good"}};
int main(void) {
LOG_INFO_STREAM << library_string() << " -- " << Color::Red
<< "agent-functionalities example" << Color::Default
<< '\n';
std::unique_ptr<MessagingSystem> S = MessagingSystem::createSystem("Sys");
MessagingSystem *SP = S.get();
AgentHandle A = SystemTester::createMyAgent<MyAgent>(SP, "MyAgent");
std::vector<uint8_t> Vs{0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 13,
15, 14, 15, 16, 19, 20, 21};
for (auto I = Vs.begin(); I != Vs.end(); ++I) {
A.send<MyAgent::Tick, uint8_t>(MyAgent::Tick::Value, *I);
}
SystemTester::destroyMyAgent(SP, A);
return 0;
}
diff --git a/include/rosa/agent/LinearFunctions.hpp b/include/rosa/agent/LinearFunctions.hpp
index b0eceaa..56e425d 100644
--- a/include/rosa/agent/LinearFunctions.hpp
+++ b/include/rosa/agent/LinearFunctions.hpp
@@ -1,224 +1,228 @@
//===-- rosa/agent/LinearAbstractions.hpp --------------------------*- C++ -*-===//
//
// The RoSA Framework
//
//===----------------------------------------------------------------------===//
///
/// \file rosa/agent/LinearAbstractions.hpp
///
/// \author Benedikt Tutzer (benedikt.tutzer@tuwien.ac.at)
///
/// \date 2019
///
/// \brief Definition of *LinearFunction* *functionality*.
///
//===----------------------------------------------------------------------===//
#ifndef ROSA_AGENT_LINEARFUNCTIONS_HPP
#define ROSA_AGENT_LINEARFUNCTIONS_HPP
#include "rosa/agent/Functionality.h"
#include "rosa/agent/Abstraction.hpp"
#include "rosa/support/debug.hpp"
#include <algorithm>
#include <vector>
#include <cmath>
+#include <memory>
namespace rosa {
namespace agent {
/// Evaluates a linear function at a given value.
///
/// \tparam T type of the functions domain
/// \tparam A type of the functions range
template <typename T, typename A> class LinearFunction :
public Abstraction<T, A>{
// Make sure the actual type arguments are matching our expectations.
STATIC_ASSERT((std::is_arithmetic<T>::value),
"LinearFunction not arithmetic T");
STATIC_ASSERT((std::is_arithmetic<A>::value),
"LinearFunction not to arithmetic");
protected:
const T Intercept;
const T Coefficient;
public:
/// Creates an instance.
///
/// \param Intercept the intercept of the linear function
/// \param Coefficient the coefficient of the linear function
/// domain
LinearFunction(T Intercept, T Coefficient) noexcept
: Abstraction<T, A>(Intercept),
Intercept(Intercept),
Coefficient(Coefficient) {}
/// Destroys \p this object.
~LinearFunction(void) = default;
/// Evaluates the linear function
///
/// \param X the value at which to evaluate the function
/// \return the result
virtual A operator()(const T &X) const noexcept override {
return Intercept + X*Coefficient;
}
};
/// Evaluates a sine function at a given value.
///
/// \tparam T type of the functions domain
/// \tparam A type of the functions range
template <typename T, typename A> class SineFunction :
public Abstraction<T, A>{
// Make sure the actual type arguments are matching our expectations.
STATIC_ASSERT((std::is_arithmetic<T>::value),
"SineFunction not arithmetic T");
STATIC_ASSERT((std::is_arithmetic<A>::value),
"SineFunction not to arithmetic");
protected:
const T Frequency;
const T Amplitude;
const T Phase;
const T Average;
public:
/// Creates an instance.
///
/// \param Frequency the frequency of the sine wave
/// \param Amplitude the amplitude of the sine wave
/// \param Phase the phase of the sine wave
/// \param Average the average of the sine wave
/// domain
SineFunction(T Frequency, T Amplitude, T Phase, T Average) noexcept
: Abstraction<T, A>(Average),
Frequency(Frequency),
Amplitude(Amplitude),
Phase(Phase),
Average(Average) {}
/// Destroys \p this object.
~SineFunction(void) = default;
/// Evaluates the linear function
///
/// \param X the value at which to evaluate the function
/// \return the result
virtual A operator()(const T &X) const noexcept override {
return Amplitude*sin(Frequency * X + Phase) + Average;
}
};
/// Implements \c rosa::agent::RangeAbstraction as an abstraction from
/// \c std::map from ranges of a type to abstractions of that type to another
/// type. The resulting abstractions are evaluated for the given values.
///
/// \note This implementation is supposed to be used to abstract ranges of
/// arithmetic types into abstractions from that type to another arithmetic
/// type, which is statically enforced.
///
/// \invariant The keys in the underlying \c std::map define valid ranges
/// such that `first <= second` and there are no overlapping ranges defined by
/// the keys.
///
/// \tparam T type to abstract from
/// \tparam A type to abstract to
template <typename T, typename A>
class PartialFunction : private Abstraction<T, A> {
// 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<A>::value),
"abstracting not to arithmetic");
private:
- RangeAbstraction<T, Abstraction<T, A>*> RA;
+ RangeAbstraction<T, std::shared_ptr<Abstraction<T, A>>> RA;
public:
/// Creates an instance by Initializing the underlying \c RangeAbstraction.
///
/// \param Map the mapping to do abstraction according to
/// \param Default abstraction to abstract to by default
///
/// \pre Each key defines a valid range such that `first <= second` and
/// there are no overlapping ranges defined by the keys.
- PartialFunction(const std::map<std::pair<T, T>, Abstraction<T, A>*> &Map,
+ PartialFunction(const std::map<std::pair<T, T>,
+ std::shared_ptr<Abstraction<T, A>>> &Map,
const A Default)
- : Abstraction<T, A>(Default), RA(Map, new Abstraction<T, A>(Default)) {
+ : Abstraction<T, A>(Default),
+ RA(Map, std::shared_ptr<Abstraction<T, A>>
+ (new Abstraction<T, A>(Default))) {
}
/// Destroys \p this object.
~PartialFunction(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
A operator()(const T &V) const noexcept override {
- return (*RA(V))(V);
+ return RA(V)->operator()(V);
}
};
/// 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>
class RangeConfidence : public Abstraction<T, std::vector<A>>,
private std::vector<PartialFunction<T, A>>{
// 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<A>::value),
"abstracting not to arithmetic");
// Bringing into scope inherited members.
using std::vector<PartialFunction<T, A>>::size;
using std::vector<PartialFunction<T, A>>::begin;
using std::vector<PartialFunction<T, A>>::end;
public:
/// Creates an instance by Initializing the underlying \c RangeAbstraction.
///
/// \param Abstractions the Abstractions to be evaluated
RangeConfidence(const std::vector<PartialFunction<T, A>> &Abstractions)
: Abstraction<T, std::vector<A>>({}),
std::vector<PartialFunction<T, A>>(Abstractions) {
}
/// 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::vector<A> operator()(const T &V) const noexcept override {
std::vector<A> ret;
for (auto const& func : ((std::vector<PartialFunction<T, A>>)*this)){
ret.push_back(func(V));
}
return ret;
}
};
} // End namespace agent
} // End namespace rosa
#endif // ROSA_AGENT_ABSTRACTION_HPP

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