Consolidate Python ignore rules into root gitignore

This commit is contained in:
Hiroaki86
2026-05-27 23:01:28 +09:00
commit fa3394415d
399 changed files with 509103 additions and 0 deletions
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//+------------------------------------------------------------------+
//| dictionary.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Object.mqh>
#include <Arrays\List.mqh>
#include "RuleParser.mqh"
//+------------------------------------------------------------------+
//| Gets the value associated with the specified key in the CList |
//| Where key - string, value - CObject |
//+------------------------------------------------------------------+
bool TryGetValue(CList *list,string key,CObject *&value)
{
for(int i=0; i<list.Total(); i++)
{
CDictionary_String_Obj *pair=list.GetNodeAtIndex(i);
if(pair.Key()==key)
{
value=pair.Value();
return (true);
}
}
return (false);
}
//+------------------------------------------------------------------+
//| Removes a range of elements from a list of CList |
//+------------------------------------------------------------------+
void RemoveRange(CArrayObj &list,const int index,const int count)
{
for(int i=0; i<count; i++)
{
list.Delete(index);
}
}
//+------------------------------------------------------------------+
//| It creates a shallow copy of a range of elements |
//| from the original list of CList |
//+------------------------------------------------------------------+
CArrayObj *GetRange(CArrayObj *list,const int index,const int count)
{
CArrayObj *new_list=new CArrayObj;
for(int i=0; i<count; i++)
{
new_list.Add(list.At(i+index));
}
return (new_list);
}
//+------------------------------------------------------------------+
//| Dictionary: Object - Object |
//+------------------------------------------------------------------+
class CDictionary_Obj_Obj : public CObject
{
private:
CObject *m_key;
CObject *m_value;
public:
CDictionary_Obj_Obj(void);
~CDictionary_Obj_Obj(void);
//--- methods gets or sets the value
CObject *Key() { return(m_key); }
void Key(CObject *key) { m_key=key; }
//--- methods gets or sets the key
CObject *Value() { return(m_value); }
void Value(CObject *value) { m_value=value; }
//--- method sets the value and key
void SetAll(CObject *key,CObject *value);
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CDictionary_Obj_Obj::CDictionary_Obj_Obj(void)
{
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CDictionary_Obj_Obj::~CDictionary_Obj_Obj()
{
}
//+------------------------------------------------------------------+
//| Sets the value and key |
//+------------------------------------------------------------------+
void CDictionary_Obj_Obj::SetAll(CObject *key,CObject *value)
{
m_key=key;
m_value=value;
}
//+------------------------------------------------------------------+
//| Dictionary: String - Object |
//+------------------------------------------------------------------+
class CDictionary_String_Obj : public CObject
{
private:
string m_key;
CObject *m_value;
public:
CDictionary_String_Obj(void);
~CDictionary_String_Obj(void);
//--- methods gets or sets the value
string Key() { return(m_key); }
void Key(const string key) { m_key=key; }
//--- methods gets or sets the key
CObject *Value() { return(m_value); }
void Value(CObject *value) { m_value=value; }
//--- method sets the value and key
void SetAll(const string key,CObject *value);
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CDictionary_String_Obj::CDictionary_String_Obj(void)
{
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CDictionary_String_Obj::~CDictionary_String_Obj()
{
if(CheckPointer(m_value)==POINTER_DYNAMIC)
delete m_value;
}
//+------------------------------------------------------------------+
//| Sets the value and key |
//+------------------------------------------------------------------+
void CDictionary_String_Obj::SetAll(const string key,CObject *value)
{
m_key=key;
m_value=value;
}
//+------------------------------------------------------------------+
//| Dictionary: Object - Double |
//+------------------------------------------------------------------+
class CDictionary_Obj_Double : public CObject
{
private:
CObject *m_key;
double m_value;
public:
CDictionary_Obj_Double(void);
~CDictionary_Obj_Double(void);
//--- methods gets or sets the value
CObject *Key() { return(m_key); }
void Key(CObject *key) { m_key=key; }
//--- methods gets or sets the key
double Value() { return(m_value); }
void Value(const double value) { m_value=value; }
//--- method sets the value and key
void SetAll(CObject *key,const double value);
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CDictionary_Obj_Double::CDictionary_Obj_Double(void)
{
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CDictionary_Obj_Double::~CDictionary_Obj_Double()
{
}
//+------------------------------------------------------------------+
//| Sets the value and key |
//+------------------------------------------------------------------+
void CDictionary_Obj_Double::SetAll(CObject *key,const double value)
{
m_key=key;
m_value=value;
}
//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
//| fuzzyrule.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include "FuzzyVariable.mqh"
#include "InferenceMethod.mqh"
//+------------------------------------------------------------------+
//| Purpose: Creating fuzzy rules |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| And/Or operator type |
//+------------------------------------------------------------------+
enum OperatorType
{
And, // And operator
Or // Or operator
};
//+------------------------------------------------------------------+
//| Hedge modifiers |
//+------------------------------------------------------------------+
enum HedgeType
{
None, // None
Slightly, // Cube root
Somewhat, // Square root
Very, // Square
Extremely // Cube
};
//+------------------------------------------------------------------+
//| Class of CConditions used in the 'if' expression |
//+------------------------------------------------------------------+
class ICondition : public CObject
{
public:
//--- method to check type
virtual bool IsTypeOf(EnCondition type) { return(type==TYPE_CLASS_ICondition); }
};
//+------------------------------------------------------------------+
//| Single condition |
//+------------------------------------------------------------------+
class CSingleCondition : public ICondition
{
private:
INamedVariable *m_var; // Type of variable
INamedValue *m_term; // Type of value
bool m_not; // Is MF inverted
public:
CSingleCondition(void);
CSingleCondition(INamedVariable *var,INamedValue *term);
CSingleCondition(INamedVariable *var,INamedValue *term,bool not);
~CSingleCondition(void);
//--- methods gets or sets the varriable
INamedVariable *Var(void) { return(m_var); }
void Var(INamedVariable *value) { m_var=value; }
//--- methods gets or sets mark "Is MF inverted"
bool Not(void) { return(m_not); }
void Not(bool not) { m_not=not; }
//--- methods gets or sets term in expression
INamedValue *Term(void) { return(m_term); }
void Term(INamedValue *value) { m_term=value; }
//--- method to check type
virtual bool IsTypeOf(EnCondition type) { return(type==TYPE_CLASS_SingleCondition); }
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CSingleCondition::CSingleCondition(void)
{
m_var = NULL;
m_not = false;
m_term=NULL;
};
//+------------------------------------------------------------------+
//| First constructor with parameters |
//+------------------------------------------------------------------+
CSingleCondition::CSingleCondition(INamedVariable *var,INamedValue *term)
{
m_var=var;
m_term=term;
}
//+------------------------------------------------------------------+
//| Second constructor with parameters |
//+------------------------------------------------------------------+
CSingleCondition::CSingleCondition(INamedVariable *var,INamedValue *term,bool not)
{
m_var=var;
m_term=term;
m_not=not;
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CSingleCondition::~CSingleCondition(void)
{
if(CheckPointer(m_var)==POINTER_DYNAMIC)
delete m_var;
if(CheckPointer(m_term)==POINTER_DYNAMIC)
delete m_term;
}
//+------------------------------------------------------------------+
//| Condition of fuzzy rule for the both Mamdani and Sugeno systems |
//+------------------------------------------------------------------+
class CFuzzyCondition : public CSingleCondition
{
private:
HedgeType m_hedge; // hedge type
public:
CFuzzyCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not);
CFuzzyCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not,HedgeType hedge);
CFuzzyCondition(CFuzzyVariable *var,CFuzzyTerm *term);
~CFuzzyCondition(void);
//--- methods gets or sets the hedge type
HedgeType Hedge(void) { return (m_hedge); }
void Hedge(HedgeType value) { m_hedge=value; }
//--- method to check type
virtual bool IsTypeOf(EnCondition type) { return(type==TYPE_CLASS_FuzzyCondition); }
};
//+------------------------------------------------------------------+
//| First constructor with parameters |
//+------------------------------------------------------------------+
CFuzzyCondition::CFuzzyCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not)
{
CSingleCondition::Var(var);
CSingleCondition::Term(term);
CSingleCondition::Not(not);
m_hedge=None;
}
//+------------------------------------------------------------------+
//| Second constructor with parameters |
//+------------------------------------------------------------------+
CFuzzyCondition::CFuzzyCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not,HedgeType hedge)
{
CSingleCondition::Var(var);
CSingleCondition::Term(term);
CSingleCondition::Not(not);
m_hedge=hedge;
}
//+------------------------------------------------------------------+
//| Thrid constructor with parameters |
//+------------------------------------------------------------------+
CFuzzyCondition::CFuzzyCondition(CFuzzyVariable *var,CFuzzyTerm *term)
{
CSingleCondition::Var(var);
CSingleCondition::Term(term);
CSingleCondition::Not(false);
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CFuzzyCondition::~CFuzzyCondition(void)
{
}
//+------------------------------------------------------------------+
//| Several CConditions linked by or/and operators |
//+------------------------------------------------------------------+
class CConditions : public ICondition
{
private:
bool m_not; // Default : false
OperatorType m_op; // Type of operator. Default : And
CList *m_conditions; // List of CConditions
public:
CConditions(void);
~CConditions(void);
//--- methods gets or sets the mark "Is MF inverted"
bool Not(void) { return(m_not); }
void Not(bool value) { m_not=value; }
//--- methods gets or sets operator that links expressions (and/or)
OperatorType Op(void) { return (m_op); }
void Op(OperatorType value) { m_op=value; }
//--- method gets the list of CConditions (single or multiples)
CList *ConditionsList(void) { return(m_conditions); }
//--- method to check type
virtual bool IsTypeOf(EnCondition type) { return(type==TYPE_CLASS_Conditions); }
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CConditions::CConditions(void)
{
m_not=false;
m_op = And;
m_conditions=new CList;
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CConditions::~CConditions(void)
{
delete m_conditions;
}
//+------------------------------------------------------------------+
//| Class used by rule parser |
//+------------------------------------------------------------------+
class IParsableRule : public CObject
{
public:
//--- methods gets or sets the condition (IF) part of the rule
virtual CConditions *Condition(void) { return(NULL); }
virtual void Condition(CConditions *value) { }
//--- methods gets or sets the conclusion (THEN) part of the rule
virtual CSingleCondition *Conclusion(void) { return(NULL); }
virtual void Conclusion(CSingleCondition *value) { }
//--- method to check type
virtual bool IsTypeOf(EnRule type) { return(type==TYPE_CLASS_IParsableRule); }
};
//+------------------------------------------------------------------+
//| Implements common functionality of fuzzy rules |
//+------------------------------------------------------------------+
class CGenericFuzzyRule : public IParsableRule
{
private:
CConditions *m_generic_condition; // Generic path of condition
public:
CGenericFuzzyRule(void);
~CGenericFuzzyRule(void);
//--- methods gets or sets the condition (IF) part of the rule
CConditions *Condition(void) { return(m_generic_condition); }
void Condition(CConditions *value) { m_generic_condition=value; }
//--- methods create a single condition
CFuzzyCondition *CreateCondition(CFuzzyVariable *var,CFuzzyTerm *term);
CFuzzyCondition *CreateCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not);
CFuzzyCondition *CreateCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not,HedgeType hedge);
//--- methods gets or sets the conclusion (THEN) part of the rule
virtual CSingleCondition *Conclusion(void) { return(NULL); }
virtual void Conclusion(CSingleCondition *value) { }
//--- method to check type
virtual bool IsTypeOf(EnRule type) { return(type==TYPE_CLASS_GenericFuzzyRule); }
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CGenericFuzzyRule::CGenericFuzzyRule(void)
{
m_generic_condition=new CConditions();
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CGenericFuzzyRule::~CGenericFuzzyRule(void)
{
delete m_generic_condition;
}
//+------------------------------------------------------------------+
//| Create a single condition(1) |
//+------------------------------------------------------------------+
CFuzzyCondition *CGenericFuzzyRule::CreateCondition(CFuzzyVariable *var,CFuzzyTerm *term)
{
//--- return fuzzy condition
return new CFuzzyCondition(var, term);
}
//+------------------------------------------------------------------+
//| Create a single condition(2) |
//+------------------------------------------------------------------+
CFuzzyCondition *CGenericFuzzyRule::CreateCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not)
{
//--- return fuzzy condition
return new CFuzzyCondition(var, term, not);
}
//+------------------------------------------------------------------+
//| Create a single condition(3) |
//+------------------------------------------------------------------+
CFuzzyCondition *CGenericFuzzyRule::CreateCondition(CFuzzyVariable *var,CFuzzyTerm *term,bool not,HedgeType hedge)
{
//--- return fuzzy condition
return new CFuzzyCondition(var, term, not, hedge);
}
//+------------------------------------------------------------------+
//| Fuzzy rule for Mamdani fuzzy system. |
//| NOTE: a rule cannot be created directly, only via |
//| MamdaniFuzzySystem::EmptyRule or MamdaniFuzzySystem::ParseRule |
//+------------------------------------------------------------------+
class CMamdaniFuzzyRule : public CGenericFuzzyRule
{
private:
CSingleCondition *m_mamdani_conclusion; // Mamdani conclusion
double m_weight; // Weight of Mamdani rule
public:
CMamdaniFuzzyRule(void);
~CMamdaniFuzzyRule(void);
//--- methods gets or sets the conclusion (THEN) part of the rule
CSingleCondition *Conclusion(void) { return(m_mamdani_conclusion); }
void Conclusion(CSingleCondition *value) { m_mamdani_conclusion=value; }
//--- methods gets or sets the rule weight
double Weight(void) { return(m_weight); }
void Weight(const double value) { m_weight=value; }
//--- method to check type
virtual bool IsTypeOf(EnRule type) { return(type==TYPE_CLASS_MamdaniFuzzyRule); }
};
//+---------------------------------------------------------------+
//| Constructor without parameters |
//+---------------------------------------------------------------+
CMamdaniFuzzyRule::CMamdaniFuzzyRule(void)
{
m_weight=1.0;
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CMamdaniFuzzyRule::~CMamdaniFuzzyRule(void)
{
if(CheckPointer(m_mamdani_conclusion)==POINTER_DYNAMIC)
delete m_mamdani_conclusion;
}
//+------------------------------------------------------------------+
//| Fuzzy rule for Sugeno fuzzy system |
//| NOTE: a rule cannot be created directly, only via |
//| SugenoFuzzySystem::EmptyRule or SugenoFuzzySystem::ParseRule |
//+------------------------------------------------------------------+
class CSugenoFuzzyRule : public CGenericFuzzyRule
{
private:
CSingleCondition *m_sugeno_conclusion; // Sugeno conclusion
public:
CSugenoFuzzyRule(void);
~CSugenoFuzzyRule(void);
//--- methods gets or sets the conclusion (THEN) part of the rule
CSingleCondition *Conclusion(void) { return(m_sugeno_conclusion); }
void Conclusion(CSingleCondition *value) { m_sugeno_conclusion=value; }
//--- method to check type
virtual bool IsTypeOf(EnRule type) { return(type==TYPE_CLASS_SugenoFuzzyRule); }
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+-------------------------- ---------------------------------------+
CSugenoFuzzyRule::CSugenoFuzzyRule(void)
{
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CSugenoFuzzyRule::~CSugenoFuzzyRule(void)
{
if(CheckPointer(m_sugeno_conclusion)==POINTER_DYNAMIC)
delete m_sugeno_conclusion;
}
//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
//| fuzzyterm.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include "MembershipFunction.mqh"
#include "Helper.mqh"
//+------------------------------------------------------------------+
//| Purpose: creating fuzzy term. |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Fuzzy or linguistic term. |
//+------------------------------------------------------------------+
class CFuzzyTerm : public CNamedValueImpl
{
private:
IMembershipFunction *m_mf; // The membership function of the term
public:
CFuzzyTerm(const string name,IMembershipFunction *mf);
~CFuzzyTerm(void);
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_FuzzyTerm); }
//--- method gets the membership function initially associated with the term
IMembershipFunction *MembershipFunction() { return(m_mf); }
};
//+------------------------------------------------------------------+
//| Constructor with parameters |
//+------------------------------------------------------------------+
CFuzzyTerm::CFuzzyTerm(const string name,IMembershipFunction *mf)
{
CNamedValueImpl::Name(name);
m_mf=mf;
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CFuzzyTerm::~CFuzzyTerm(void)
{
if(CheckPointer(m_mf)==POINTER_DYNAMIC)
{
delete m_mf;
}
}
//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
//| fuzzyvariable.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include "FuzzyTerm.mqh"
//+------------------------------------------------------------------+
//| Purpose: creating fuzzy variable |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Fuzzy or linguistic variable. |
//+------------------------------------------------------------------+
class CFuzzyVariable : public CNamedVariableImpl
{
private:
double m_min; // Minimum value of the variable
double m_max; // Maximum value of the variable
CList *m_terms; // List of terms in a variable
public :
CFuzzyVariable(const string name,const double min,const double max);
~CFuzzyVariable(void);
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_FuzzyVariable); }
//--- methods gets or sets parameters of varriable
void Max(const double max) { m_max=max; }
double Max(void) { return (m_max); }
void Min(const double min) { m_min=min; }
double Min(void) { return (m_min); }
//--- methods gets or sets the terms
CList *Terms() { return(m_terms); }
void Terms(CList *terms) { m_terms=terms; }
//--- add fuzzy term
void AddTerm(CFuzzyTerm *term);
//--- get membership function by name
CFuzzyTerm *GetTermByName(const string name);
//--- overload
CList *Values() { return(m_terms); }
};
//+------------------------------------------------------------------+
//| Constructor with parameters |
//+------------------------------------------------------------------+
CFuzzyVariable::CFuzzyVariable(const string name,const double min,const double max)
{
CNamedVariableImpl::Name(name);
m_terms=new CList();
if(min>max)
{
Print("Incorrect parameters! Maximum value must be greater than minimum one.");
}
else
{
m_min = min;
m_max = max;
}
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CFuzzyVariable::~CFuzzyVariable(void)
{
delete m_terms;
}
//+------------------------------------------------------------------+
//| Add fuzzy term to list terms in a variable |
//+------------------------------------------------------------------+
void CFuzzyVariable::AddTerm(CFuzzyTerm *term)
{
m_terms.Add(term);
}
//+------------------------------------------------------------------+
//| Get membership function (term) by name |
//+------------------------------------------------------------------+
CFuzzyTerm *CFuzzyVariable::GetTermByName(const string name)
{
for(int i=0; i<m_terms.Total(); i++)
{
CFuzzyTerm *term=m_terms.GetNodeAtIndex(i);
if(term.Name()==name)
{
//--- return fuzzy term
return (term);
}
}
Print("Term with the same name can not be found!");
//--- return
return (NULL);
}
//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
//| genericfuzzysystem.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include <Arrays\ArrayObj.mqh>
#include "FuzzyRule.mqh"
#include "InferenceMethod.mqh"
#include "Dictionary.mqh"
//+------------------------------------------------------------------+
//| Purpose: Creating generic fuzzy system |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Common functionality of Mamdani and Sugeno fuzzy systems |
//+------------------------------------------------------------------+
class CGenericFuzzySystem
{
private:
CList *m_input; // List of input fuzzy variables
EnAndMethod m_and_method; // And method from InferenceMethod
EnOrMethod m_or_method; // Or method from InferenceMethod
protected:
CGenericFuzzySystem(void);
~CGenericFuzzySystem(void);
public:
//--- method gets the input linguistic variables
CList *Input(void) { return(m_input); }
//--- method gets or sets the type of "And method"
void AndMethod(EnAndMethod value) { m_and_method=value; }
EnAndMethod AndMethod(void) const { return (m_and_method); }
//--- method gets or sets the type of "Or method"
void OrMethod(EnOrMethod value) { m_or_method=value; }
EnOrMethod OrMethod(void) const { return (m_or_method); }
//--- method gets the varriable by name
CFuzzyVariable *InputByName(const string name);
//--- common steps of calculating
CList *Fuzzify(CList *inputValues);
protected:
double EvaluateCondition(ICondition *condition,CList *fuzzifiedInput);
double EvaluateConditionPair(const double cond1,const double cond2,OperatorType op);
private:
bool ValidateInputValues(CList *inputValues,string &msg);
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CGenericFuzzySystem::CGenericFuzzySystem(void)
{
m_input=new CList;
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CGenericFuzzySystem::~CGenericFuzzySystem(void)
{
if(CheckPointer(m_input)==POINTER_DYNAMIC)
{
delete m_input;
}
}
//+------------------------------------------------------------------+
//| Get input linguistic variable by its name |
//+------------------------------------------------------------------+
CFuzzyVariable *CGenericFuzzySystem::InputByName(const string name)
{
CList *result=CGenericFuzzySystem::Input();
for(int i=0; i<result.Total(); i++)
{
CFuzzyVariable *var=result.GetNodeAtIndex(i);
if(var.Name()==name)
{
//--- return fuzzy variable
return (var);
}
}
Print("The variable with that name is not found");
//--- return
return (NULL);
}
//+------------------------------------------------------------------+
//| Fuzzify input |
//+------------------------------------------------------------------+
CList *CGenericFuzzySystem::Fuzzify(CList *inputValues)
{
//--- Validate input
string msg;
if(!ValidateInputValues(inputValues,msg))
{
Print(msg);
//--- return
return (NULL);
}
//--- Fill results list
CList *result=new CList;
for(int i=0; i<Input().Total(); i++)
{
CFuzzyVariable *var=Input().GetNodeAtIndex(i);
double value=NULL;
for(int k=0; k<inputValues.Total(); k++)
{
CDictionary_Obj_Double *p_vd=inputValues.GetNodeAtIndex(i);
CFuzzyVariable *v=p_vd.Key();
if(p_vd.Key()==var)
{
value=p_vd.Value();
break;
}
}
CList *resultForVar=new CList;
for(int j=0; j<var.Terms().Total(); j++)
{
CDictionary_Obj_Double *p_vd=new CDictionary_Obj_Double;
CFuzzyTerm *term=var.Terms().GetNodeAtIndex(j);
p_vd.SetAll(term,term.MembershipFunction().GetValue(value));
resultForVar.Add(p_vd);
}
CDictionary_Obj_Obj *p_vl=new CDictionary_Obj_Obj;
p_vl.SetAll(var,resultForVar);
result.Add(p_vl);
}
//--- return result
return (result);
}
//+------------------------------------------------------------------+
//| Evaluate fuzzy condition (or conditions) |
//+------------------------------------------------------------------+
double CGenericFuzzySystem::EvaluateCondition(ICondition *condition,CList *fuzzifiedInput)
{
double result=0.0;
ICondition *IC;
if(condition.IsTypeOf(TYPE_CLASS_Conditions))
{
CConditions *conds=condition;
if(conds.ConditionsList().Total()==0)
{
Print("Inner exception.");
}
else if(conds.ConditionsList().Total()==1)
{
IC=conds.ConditionsList().GetNodeAtIndex(0);
result=EvaluateCondition(IC,fuzzifiedInput);
}
else
{
IC=conds.ConditionsList().GetNodeAtIndex(0);
result=EvaluateCondition(IC,fuzzifiedInput);
for(int i=1; i<conds.ConditionsList().Total(); i++)
{
IC=conds.ConditionsList().GetNodeAtIndex(i);
double cond2=EvaluateCondition(IC,fuzzifiedInput);;
result=EvaluateConditionPair(result,cond2,conds.Op());
}
}
if(conds.Not())
{
result=1.0-result;
}
//--- return result
return (result);
}
else if(condition.IsTypeOf(TYPE_CLASS_FuzzyCondition))
{
CFuzzyCondition *cond=condition;
CDictionary_Obj_Obj *p_vl;
CDictionary_Obj_Double *p_td;
for(int i=0; i<fuzzifiedInput.Total(); i++)
{
p_vl=fuzzifiedInput.GetNodeAtIndex(i);
if(p_vl.Key()==cond.Var())
{
CList *list=p_vl.Value();
for(int j=0; j<list.Total(); j++)
{
p_td=list.GetNodeAtIndex(j);
if(p_td.Key()==cond.Term())
{
break;
}
}
break;
}
}
result=p_td.Value();
switch(cond.Hedge())
{
case Slightly:
//--- Cube root
result=pow(result,1.0/3.0);
break;
case Somewhat:
result=sqrt(result);
break;
case Very:
result=result*result;
break;
case Extremely:
result=result*result*result;
break;
default:
break;
}
if(cond.Not())
{
result=1.0-result;
}
//--- return result
return (result);
}
else
{
Print("Internal error.");
//--- return
return (NULL);
}
}
//+------------------------------------------------------------------+
//| Evaluate fuzzy condition (or conditions) |
//+------------------------------------------------------------------+
double CGenericFuzzySystem::EvaluateConditionPair(const double cond1,const double cond2,OperatorType op)
{
if(op==And)
{
if(CGenericFuzzySystem::AndMethod()==MinAnd)
{
//--- return evaluate condition
return fmin(cond1, cond2);
}
else if(CGenericFuzzySystem::AndMethod()==ProductionAnd)
{
//--- return evaluate condition
return (cond1 * cond2);
}
else
{
Print("Internal error.");
//--- return
return(NULL);
}
}
else if(op==Or)
{
if(CGenericFuzzySystem::OrMethod()==MaxOr)
{
//--- return evaluate condition
return fmax(cond1, cond2);
}
else if(CGenericFuzzySystem::OrMethod()==ProbabilisticOr)
{
//--- return evaluate condition
return (cond1 + cond2 - cond1 * cond2);
}
else
{
Print("Internal error.");
//--- return
return (NULL);
}
}
else
{
Print("Internal error.");
//--- return
return (NULL);
}
}
//+------------------------------------------------------------------+
//| Validate input values |
//+------------------------------------------------------------------+
bool CGenericFuzzySystem::ValidateInputValues(CList *inputValues,string &msg)
{
msg=NULL;
if(inputValues.Total()!=Input().Total())
{
msg="Input values count is incorrect.";
//--- return false
return (false);
}
bool contain;
for(int i=0; i<Input().Total(); i++)
{
CFuzzyVariable *var=Input().GetNodeAtIndex(i);
contain=false;
for(int j=0; j<inputValues.Total();j++)
{
CDictionary_Obj_Double *p_vd=inputValues.GetNodeAtIndex(j);
if(p_vd.Key()==var)
{
contain=true;
double val=p_vd.Value();
if(val<var.Min() || val>var.Max())
{
msg=StringFormat("Value for the %s variable is out of range.",var.Name());
//--- return false
return (false);
}
}
}
if(contain==false)
{
msg=StringFormat("Value for the %s variable does not present.",var.Name());
//--- return false
return (false);
}
}
//--- return true
return (true);
}
//+------------------------------------------------------------------+
+158
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//+------------------------------------------------------------------+
//| helper.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include "InferenceMethod.mqh"
//+------------------------------------------------------------------+
//| Purpose: Analysis of the fuzzy rules |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| This class must be implemented by values in parsable rules |
//+------------------------------------------------------------------+
class INamedValue : public CObject
{
public:
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_INamedValue); }
//--- methods gets or sets the name
virtual string Name(void) { return(""); }
virtual void Name(const string name) { }
};
//+------------------------------------------------------------------+
//| This class must be implemented by values in parsable rules |
//+------------------------------------------------------------------+
class INamedVariable : public INamedValue
{
public:
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_INamedValue); }
//--- get list of values that belongs to the variable
virtual CList *Values(void) { return(NULL); }
};
//+------------------------------------------------------------------+
//| Named variable |
//+------------------------------------------------------------------+
class CNamedVariableImpl : public INamedVariable
{
private:
string m_name; // Name of the variable
public:
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_NamedVariableImpl); }
//--- methods gets or sets varriable name
virtual void Name(const string name);
virtual string Name(void) { return(m_name); }
//--- get list of values that belongs to the variable
virtual CList *Values(void) { return(NULL); }
};
//+------------------------------------------------------------------+
//| Set variable name |
//+------------------------------------------------------------------+
void CNamedVariableImpl::Name(const string name)
{
if(!CNameHelper::IsValidName(name))
{
Print("Invalid variable name.");
}
m_name=name;
}
//+------------------------------------------------------------------+
//| Named value of variable |
//+------------------------------------------------------------------+
class CNamedValueImpl : public INamedValue
{
private:
string m_name; // Name of the value
public:
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_NamedVariableImpl); }
//--- methods gets or sets varriable name
virtual void Name(const string name);
virtual string Name(void) { return(m_name); }
};
//+------------------------------------------------------------------+
//| Set variable name |
//+------------------------------------------------------------------+
void CNamedValueImpl::Name(const string name)
{
if(!CNameHelper::IsValidName(name))
{
Print("Invalid term name.");
}
m_name=name;
}
//+------------------------------------------------------------------+
//| Keywords: |
//+------------------------------------------------------------------+
static string KEYWORDS[]={ "if","then","is","and","or","not","(",")","slightly","somewhat","very","extremely" }; // Keywords in rules
//+------------------------------------------------------------------+
//| Class NameHelper checks the availability of names |
//+------------------------------------------------------------------+
class CNameHelper
{
public:
//+------------------------------------------------------------------+
//| Check the name of variable/term |
//+------------------------------------------------------------------+
static bool IsValidName(const string name)
{
//--- Empty names are not allowed
if(StringLen(name)==0)
{
//--- return false
return (false);
}
for(int i=0; i<StringLen(name); i++)
{
//--- Only letters, numbers or '_' are allowed
char s=(char) StringGetCharacter(name,i);
if(s!='_' && !(s>=48 && s<=57) // Not numbers and symbol '_'
&& !( s >= 65 && s <= 90 ) // Not capital letters
&& !( s >= 97 && s <= 122 )) // Not letters
{
//--- return false
return (false);
}
}
//--- Identifier cannot be a keword
for(int i=0; i<ArraySize(KEYWORDS); i++)
{
if(name==KEYWORDS[i])
{
//--- return false
return (false);
}
}
//--- return true
return (true);
}
};
//+------------------------------------------------------------------+
+125
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//+------------------------------------------------------------------+
//| inferencemethod.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
//+------------------------------------------------------------------+
//| Purpose: Contains a number of enumerations, |
//| for the convenience of working with other files |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| And evaluating method |
//+------------------------------------------------------------------+
enum EnAndMethod
{
MinAnd, // Minimum: min(a, b)
ProductionAnd // Production: a * b
};
//+------------------------------------------------------------------+
//| Or evaluating method |
//+------------------------------------------------------------------+
enum EnOrMethod
{
MaxOr, // Maximum: max(a, b)
ProbabilisticOr // Probabilistic OR: a + b - a * b
};
//+------------------------------------------------------------------+
//| Fuzzy implication method |
//+------------------------------------------------------------------+
enum ImplicationMethod
{
MinIpm, // Truncation of output fuzzy set
ProductionImp // Scaling of output fuzzy set
};
//+------------------------------------------------------------------+
//| Aggregation method for membership functions |
//+------------------------------------------------------------------+
enum AggregationMethod
{
MaxAgg, // Maximum of rule outpus
SumAgg // Sum of rule output
};
//+------------------------------------------------------------------+
//| Defuzzification method |
//+------------------------------------------------------------------+
enum DefuzzificationMethod
{
CentroidDef, // Center of area of fuzzy result MF
BisectorDef, // The point divides the area under the MF into two equal
AverageMaximumDef, // Arithmetic mean of all the maxima of the MF
LargestMaximumDef, // The largest of the maxima of the membership function
SmallestMaximumDef // The smallest of the maxima of the membership function
};
//+------------------------------------------------------------------+
//| Type of varriable and term |
//+------------------------------------------------------------------+
enum EnType
{
TYPE_CLASS_INamedValue, // Base class
TYPE_CLASS_INamedVariable, // INamedVariable : INamedValue
TYPE_CLASS_NamedVariableImpl, // NamedVariableImpl : INamedVariable
TYPE_CLASS_NamedValueImpl, // NamedValueImpl : INamedValue
TYPE_CLASS_FuzzyTerm, // FuzzyTerm : NamedValueImpl
TYPE_CLASS_FuzzyVariable, // FuzzyVariable : NamedVariableImpl
TYPE_CLASS_SugenoVariable, // SugenoVariable : NamedVariableImpl
TYPE_CLASS_ISugenoFunction, // ISugenoFunction : NamedValueImpl
TYPE_CLASS_LinearSugenoFunction // LinearSugenoFunction : ISugenoFunction
};
//+------------------------------------------------------------------+
//| Type of expression |
//+------------------------------------------------------------------+
enum EnLexem
{
TYPE_CLASS_IExpression, // Base class
TYPE_CLASS_Lexem, // Lexem : IExpression
TYPE_CLASS_ConditionExpression, // ConditionExpression : IExpression
TYPE_CLASS_VarLexem, // VarLexem : Lexem
TYPE_CLASS_KeywordLexem, // KeywordLexem : Lexem
TYPE_CLASS_AltLexem, // AltLexem : Lexem
TYPE_CLASS_TermLexem // TermLexem : AltLexem
};
//+------------------------------------------------------------------+
//| Type of condition |
//+------------------------------------------------------------------+
enum EnCondition
{
TYPE_CLASS_ICondition, // Base class
TYPE_CLASS_Conditions, // Conditions : ICondition
TYPE_CLASS_SingleCondition, // SingleCondition : ICondition
TYPE_CLASS_FuzzyCondition // FuzzyCondition : SingleCondition
};
//+------------------------------------------------------------------+
//| Type of rule |
//+------------------------------------------------------------------+
enum EnRule
{
TYPE_CLASS_IParsableRule, // Base class
TYPE_CLASS_GenericFuzzyRule, // GenericFuzzyRule : IParsableRule
TYPE_CLASS_MamdaniFuzzyRule, // MamdaniFuzzyRule : GenericFuzzyRule
TYPE_CLASS_SugenoFuzzyRule // SugenoFuzzyRule : GenericFuzzyRule
};
//+------------------------------------------------------------------+
+556
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//+------------------------------------------------------------------+
//| mandanifuzzysystem.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include <Arrays\ArrayDouble.mqh>
#include "GenericFuzzySystem.mqh"
#include "InferenceMethod.mqh"
#include "RuleParser.mqh"
#include "FuzzyRule.mqh"
//+------------------------------------------------------------------+
//| Purpose: Creating Mamdani fuzzy system |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Mamdani fuzzy inference system |
//+------------------------------------------------------------------+
class CMamdaniFuzzySystem : public CGenericFuzzySystem
{
private:
CList* m_output; // List of fuzzy variable
CList* m_rules; // List of Mamdani fuzzy rule
ImplicationMethod m_impl_method; // Implication method
AggregationMethod m_aggr_method; // Aggregation method
DefuzzificationMethod m_defuzz_method; // Defuzzification method
public:
CMamdaniFuzzySystem(void);
~CMamdaniFuzzySystem(void);
//--- method gets the output linguistic variables
CList* Output(void) { return(m_output); }
//--- method gets the fuzzy rule
CList* Rules(void) { return(m_rules); }
//--- methods gets or sets the implication method
ImplicationMethod GetImplicationMethod(void) const { return (m_impl_method); }
void SetImplicationMethod(ImplicationMethod value) { m_impl_method=value; }
//--- methods gets or sets the aggregation method
AggregationMethod GetAggregationMethod(void) const { return (m_aggr_method); }
void SetAggregationMethod(AggregationMethod value) { m_aggr_method=value; }
//--- methods gets or sets the defuzzification method
DefuzzificationMethod GetDefuzzificationMethod(void) const { return (m_defuzz_method); }
void SetDefuzzificationMethod(DefuzzificationMethod value) { m_defuzz_method=value; }
//--- maethod gets the variable by name
CFuzzyVariable* OutputByName(const string name);
//--- create a new rule
CMamdaniFuzzyRule* EmptyRule(void);
//--- parse rule
CMamdaniFuzzyRule* ParseRule(const string rule);
//--- method for calculate result
CList* Calculate(CList *inputValues);
CList* EvaluateConditions(CList *fuzzifiedInput);
CList* Implicate(CList *conditions);
CList* Aggregate(CList *conclusions);
CList* Defuzzify(CList *fuzzyResult);
double Defuzzify(IMembershipFunction *mf,const double min,const double max);
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CMamdaniFuzzySystem::CMamdaniFuzzySystem(void)
{
m_output = new CList;
m_rules = new CList;
m_impl_method = MinIpm; // Implication method default is Min
m_aggr_method = MaxAgg; // Aggregation method default is Max
m_defuzz_method = CentroidDef; // Defuzzification method default is Centroid
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CMamdaniFuzzySystem::~CMamdaniFuzzySystem(void)
{
delete m_output;
delete m_rules;
}
//+------------------------------------------------------------------+
//| Get output linguistic variable by its name |
//+------------------------------------------------------------------+
CFuzzyVariable *CMamdaniFuzzySystem::OutputByName(const string name)
{
for(int i=0; i<m_output.Total(); i++)
{
CFuzzyVariable *var=m_output.GetNodeAtIndex(i);
if(var.Name()==name)
{
//--- return varriable
return (var);
}
}
Print("Variable with that name is not found");
//--- return
return (NULL);
}
//+------------------------------------------------------------------+
//| Create new empty rule |
//+------------------------------------------------------------------+
CMamdaniFuzzyRule *CMamdaniFuzzySystem::EmptyRule()
{
//--- return empty rule
return new CMamdaniFuzzyRule();
}
//+------------------------------------------------------------------+
//| Parse rule from the string |
//+------------------------------------------------------------------+
CMamdaniFuzzyRule *CMamdaniFuzzySystem::ParseRule(const string rule)
{
//--- return Mamdani fuzzy rule
return CRuleParser::Parse(rule, EmptyRule(), Input(), Output());
}
//+------------------------------------------------------------------+
//| Calculate output values |
//+------------------------------------------------------------------+
CList *CMamdaniFuzzySystem::Calculate(CList *inputValues)
{
//--- There should be one rule as minimum
if(m_rules.Total()==0)
{
Print("There should be one rule as minimum.");
//--- return
return (NULL);
}
//--- Fuzzification step
CList *fuzzifiedInput=Fuzzify(inputValues);
//--- Evaluate the conditions
CList *evaluatedConditions=EvaluateConditions(fuzzifiedInput);
//--- Do implication for each rule
CList *implicatedConclusions=Implicate(evaluatedConditions);
//--- Aggrerate the results
CList *fuzzyResult=Aggregate(implicatedConclusions);
//--- Defuzzify the result
CList *result=Defuzzify(fuzzyResult);
//---
delete fuzzyResult;
for(int i=0; i<implicatedConclusions.Total(); i++)
{
CDictionary_Obj_Obj *pair=implicatedConclusions.GetNodeAtIndex(i);
CCompositeMembershipFunction *composite=pair.Value();
delete composite.MembershipFunctions().GetNodeAtIndex(0);
delete composite;
}
delete implicatedConclusions;
delete evaluatedConditions;
for(int i=0; i<fuzzifiedInput.Total(); i++)
{
CDictionary_Obj_Obj *pair=fuzzifiedInput.GetNodeAtIndex(i);
delete pair.Value();
}
delete fuzzifiedInput;
//--- return result
return (result);
}
//+------------------------------------------------------------------+
//| Evaluate conditions |
//+------------------------------------------------------------------+
CList *CMamdaniFuzzySystem::EvaluateConditions(CList *fuzzifiedInput)
{
CList *result=new CList;
for(int i=0; i<Rules().Total(); i++)
{
CDictionary_Obj_Double *p_rd=new CDictionary_Obj_Double;
CMamdaniFuzzyRule *rule=Rules().GetNodeAtIndex(i);
p_rd.SetAll(rule,EvaluateCondition(rule.Condition(),fuzzifiedInput));
result.Add(p_rd);
}
//--- return result
return (result);
}
//+------------------------------------------------------------------+
//| Implicate rule results |
//+------------------------------------------------------------------+
CList *CMamdaniFuzzySystem::Implicate(CList *conditions)
{
CList *conclusions=new CList;
for(int i=0; i<conditions.Total(); i++)
{
CDictionary_Obj_Double *p_rd=conditions.GetNodeAtIndex(i);
CMamdaniFuzzyRule *rule=p_rd.Key();
MfCompositionType compType;
switch(m_impl_method)
{
case MinIpm :
{
compType=MinMF;
break;
}
case ProductionImp :
{
compType=ProdMF;
break;
}
default :
{
Print("Internal error.");
//---
return (NULL);
}
}
CFuzzyTerm *val=rule.Conclusion().Term();
IMembershipFunction *first_fun=new CConstantMembershipFunction(p_rd.Value());
IMembershipFunction *second_fun=val.MembershipFunction();
CCompositeMembershipFunction *resultMF=new CCompositeMembershipFunction(compType,first_fun,second_fun);
CDictionary_Obj_Obj *p_rf=new CDictionary_Obj_Obj;
p_rf.SetAll(rule,resultMF);
conclusions.Add(p_rf);
}
//--- return conclusions
return (conclusions);
}
//+------------------------------------------------------------------+
//| Aggregate results |
//+------------------------------------------------------------------+
CList *CMamdaniFuzzySystem::Aggregate(CList *conclusions)
{
CList *fuzzyResult=new CList;
for(int i=0; i<Output().Total(); i++)
{
CFuzzyVariable *var=Output().GetNodeAtIndex(i);
CList *mfList=new CList;
for(int j=0; j<conclusions.Total(); j++)
{
CDictionary_Obj_Obj *p_rf=conclusions.GetNodeAtIndex(j);
CMamdaniFuzzyRule *rule=p_rf.Key();
if(rule.Conclusion().Var()==var)
{
mfList.Add(p_rf.Value());
}
}
MfCompositionType composType;
switch(m_aggr_method)
{
case MaxAgg:
composType=MaxMF;
break;
case SumAgg:
composType=SumMF;
break;
default:
{
Print("Internal exception.");
//--- return
return (NULL);
}
}
CDictionary_Obj_Obj *p_vf=new CDictionary_Obj_Obj;
CCompositeMembershipFunction *func=new CCompositeMembershipFunction(composType,mfList);
p_vf.SetAll(var,func);
fuzzyResult.Add(p_vf);
}
//--- return result
return (fuzzyResult);
}
//+------------------------------------------------------------------+
//| Calculate crisp result for each rule |
//+------------------------------------------------------------------+
CList *CMamdaniFuzzySystem::Defuzzify(CList *fuzzyResult)
{
CList *crispResult=new CList;
for(int i=0; i<fuzzyResult.Total(); i++)
{
CDictionary_Obj_Double *p_vd=new CDictionary_Obj_Double;
CDictionary_Obj_Obj *p_vf=fuzzyResult.GetNodeAtIndex(i);
CFuzzyVariable *var=p_vf.Key();
p_vd.SetAll(var,Defuzzify(p_vf.Value(),var.Min(),var.Max()));
crispResult.Add(p_vd);
}
//--- return result
return (crispResult);
}
//+------------------------------------------------------------------+
//| Helpers |
//+------------------------------------------------------------------+
double CMamdaniFuzzySystem::Defuzzify(IMembershipFunction *mf,const double min,const double max)
{
if(m_defuzz_method==CentroidDef)
{
int k=50; // The function is divided into "k" steps
double step=(max-min)/k; // Calculate the step function
//+------------------------------------------------------------------+
//| Calculate a center of gravity as integral |
//+------------------------------------------------------------------+
double ptLeft=0.0;
double ptCenter= 0.0;
double ptRight = 0.0;
double valLeft=0.0;
double valCenter= 0.0;
double valRight = 0.0;
double val2Left=0.0;
double val2Center= 0.0;
double val2Right = 0.0;
double numerator=0.0;
double denominator=0.0;
for(int i=0; i<k; i++)
{
if(i==0)
{
ptRight=min;
valRight=mf.GetValue(ptRight);
val2Right=ptRight*valRight;
}
ptLeft=ptRight;
ptCenter= min+step *((double)i+0.5);
ptRight = min+step *(i+1);
valLeft=valRight;
valCenter= mf.GetValue(ptCenter);
valRight = mf.GetValue(ptRight);
val2Left=val2Right;
val2Center= ptCenter * valCenter;
val2Right = ptRight * valRight;
numerator+=step *(val2Left+4*val2Center+val2Right)/3.0;
denominator+=step *(valLeft+4*valCenter+valRight)/3.0;
}
delete mf;
if(denominator!=0)
{
//--- return result
return (numerator / denominator);
}
else
{
//--- return NAN
return (MathLog(-1));
}
}
else
if(m_defuzz_method==BisectorDef)
{
//+-------------------------------------------------------------------------------------+
//| The method Bisector consists in finding the point on the abscissa, |
//| which divides the area under the curve of the membership function in two equal parts|
//+-------------------------------------------------------------------------------------+
double Area=0.0; // The area under the function
int k=50; // The function is divided into "k" steps
double now=min; // The current position
for(int i=0; i<k; i++)
{
Area+=mf.GetValue(now);
now=now+(max-min)/k;
}
now=min;
double halfArea=fabs(Area/2-mf.GetValue(min));
Area=0.0;
while(true)
{
Area+=mf.GetValue(now);
if(Area>=halfArea)
{
break;
}
now=now+(max-min)/k;
}
delete mf;
//--- return result
return (now);
}
else
if(m_defuzz_method==AverageMaximumDef)
{
//+------------------------------------------------------------------------------------------+
//| AverageMaximum method is the arithmetic mean of all the maxima of the membership function|
//+------------------------------------------------------------------------------------------+
double sum_max=0; // Sum of local maxima
double count_max=0; // Count of local maxima
int k=50; // The function is divided into "k" steps
double now=min; // The current position
double step=(max-min)/k; // Calculate the step function
for(int i=1; i<k; i++)
{
double point_1 = mf.GetValue(now);
double point_0 = mf.GetValue(now - step);
double point_2 = mf.GetValue(now + step);
//--- check the first element
if(i==1)
{
if(mf.GetValue(min)>mf.GetValue(min+step))
{
sum_max+=mf.GetValue(min);
count_max++;
}
}
//--- check the second element
if(i==k-1)
{
if(mf.GetValue(max)>mf.GetValue(max-step))
{
sum_max+=mf.GetValue(max);
count_max++;
}
}
//--- check all the other elements
if((point_1>point_0) && (point_1>point_2))
{
sum_max+=point_1;
count_max++;
}
}
if(count_max==0)
{
delete mf;
//--- return result
return (0);
}
else
{
delete mf;
//--- return result
return (sum_max/count_max);
}
}
else
if(m_defuzz_method==LargestMaximumDef)
{
CArrayDouble *local_max=new CArrayDouble; // Array of all local maximum
double result; // Result of defuzzification method
int k=50; // The function is divided into "k" steps
double now=min; // The current position
double step=(max-min)/k; // Calculate the step function
for(int i=1; i<k; i++)
{
double point_1 = mf.GetValue(now);
double point_0 = mf.GetValue(now - step);
double point_2 = mf.GetValue(now + step);
//--- check the first element
if(i==1)
{
if(mf.GetValue(min)>mf.GetValue(min+step))
{
local_max.Add(mf.GetValue(min));
}
}
//--- check the second element
if(i==k-1)
{
if(mf.GetValue(max)>mf.GetValue(max-step))
{
local_max.Add(mf.GetValue(max));
}
}
//--- check all the other elements
if((point_1>point_0) && (point_1>point_2))
{
local_max.Add(point_1);
}
now+=step;
}
result=local_max.At(0);
for(int i=0; i<local_max.Total(); i++)
{
if(result<=local_max.At(i))
{
result=local_max.At(i);
}
}
now=min;
while(true)
{
if(mf.GetValue(now)==result)
{
break;
}
now+=step;
}
delete local_max;
delete mf;
//--- return result
return (now);
}
else
if(m_defuzz_method==SmallestMaximumDef)
{
CArrayDouble *local_max=new CArrayDouble; // Array of all local maximum
double result; // Result of defuzzification method
int k=50; // The function is divided into "k" steps
double now=min; // The current position
double step=(max-min)/k; // Calculate the step function
for(int i=1; i<k; i++)
{
double point_1 = mf.GetValue(now);
double point_0 = mf.GetValue(now - step);
double point_2 = mf.GetValue(now + step);
//--- check the first element
if(i==1)
{
if(mf.GetValue(min)>mf.GetValue(min+step))
{
local_max.Add(mf.GetValue(min));
}
}
//--- check the second element
if(i==k-1)
{
if(mf.GetValue(max)>mf.GetValue(max-step))
{
local_max.Add(mf.GetValue(max));
}
}
//--- check all the other elements
if((point_1>point_0) && (point_1>point_2))
{
local_max.Add(point_1);
}
now+=step;
}
result=local_max.At(0);
for(int i=0; i<local_max.Total(); i++)
{
if(result>=local_max.At(i))
{
result=local_max.At(i);
}
}
now=min;
while(true)
{
if(mf.GetValue(now)==result)
{
break;
}
now+=step;
}
delete local_max;
delete mf;
//--- return result
return (now);
}
else
{
Print("Internal exception.");
delete mf;
//--- return
return (0);
}
}
//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
//| sugenofuzzysystem.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include "GenericFuzzySystem.mqh"
#include "InferenceMethod.mqh"
#include "RuleParser.mqh"
#include "FuzzyRule.mqh"
#include "SugenoVariable.mqh"
//+------------------------------------------------------------------+
//| Purpose: Creating Sugeno fuzzy system |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| Sugeno fuzzy inference system |
//+------------------------------------------------------------------+
class CSugenoFuzzySystem : public CGenericFuzzySystem
{
private:
CList *m_output; // List of Sugeno variable
CList *m_rules; // List of Sugeno fuzzy rule
public:
CSugenoFuzzySystem(void);
~CSugenoFuzzySystem(void);
//--- method gets the output linguistic variables
CList* Output(void) { return(m_output); }
//--- method gets the fuzzy rule
CList* Rules(void) { return(m_rules); }
//--- maethod gets the variable by name
CSugenoVariable* OutputByName(const string name);
//--- method create new linear function
CLinearSugenoFunction* CreateSugenoFunction(const string name,CList *coeffs,const double constValue);
CLinearSugenoFunction* CreateSugenoFunction(const string name,const double &coeffs[]);
//--- method create a new rule
CSugenoFuzzyRule* EmptyRule(void);
//--- method for calculate result
CSugenoFuzzyRule* ParseRule(const string rule);
CList* EvaluateConditions(CList *fuzzifiedInput);
CList* EvaluateFunctions(CList *inputValues);
CList* CombineResult(CList *ruleWeights,CList *functionResults);
CList* Calculate(CList *inputValues);
};
//+------------------------------------------------------------------+
//| Constructor without parameters |
//+------------------------------------------------------------------+
CSugenoFuzzySystem::CSugenoFuzzySystem(void)
{
m_output=new CList;
m_rules=new CList;
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CSugenoFuzzySystem::~CSugenoFuzzySystem(void)
{
delete m_output;
delete m_rules;
}
//+------------------------------------------------------------------+
//| Get the output variable of the system by name |
//+------------------------------------------------------------------+
CSugenoVariable *CSugenoFuzzySystem::OutputByName(const string name)
{
for(int i=0; i<m_output.Total(); i++)
{
CSugenoVariable *var=m_output.GetNodeAtIndex(i);
if(var.Name()==name)
{
//--- return Sugeno variable
return (var);
}
}
Print("Variable with that name is not found");
//--- return
return (NULL);
}
//+------------------------------------------------------------------------+
//| Use this method to create a linear function for the Sugeno fuzzy system|
//+------------------------------------------------------------------------+
CLinearSugenoFunction *CSugenoFuzzySystem::CreateSugenoFunction(const string name,CList *coeffs,const double constValue)
{
//--- return linear Sugeno function
return new CLinearSugenoFunction(name, CGenericFuzzySystem::Input(), coeffs, constValue);
}
//+------------------------------------------------------------------------+
//| Use this method to create a linear function for the Sugeno fuzzy system|
//+------------------------------------------------------------------------+
CLinearSugenoFunction *CSugenoFuzzySystem::CreateSugenoFunction(const string name,const double &coeffs[])
{
//--- return linear Sugeno function
return new CLinearSugenoFunction(name, Input(), coeffs);
}
//+------------------------------------------------------------------+
//| Use this method to create an empty rule for the system |
//+------------------------------------------------------------------+
CSugenoFuzzyRule *CSugenoFuzzySystem::EmptyRule()
{
//--- return Sugeno fuzzy rule
return new CSugenoFuzzyRule();
}
//+------------------------------------------------------------------+
//| Use this method to create rule by its textual representation |
//+------------------------------------------------------------------+
CSugenoFuzzyRule *CSugenoFuzzySystem::ParseRule(const string rule)
{
//--- return Sugeno fuzzy rule
return CRuleParser::Parse(rule, EmptyRule(), Input(), Output());
}
//+------------------------------------------------------------------+
//| Evaluate conditions |
//+------------------------------------------------------------------+
CList *CSugenoFuzzySystem::EvaluateConditions(CList *fuzzifiedInput)
{
CList *result=new CList;
for(int i=0; i<Rules().Total(); i++)
{
CDictionary_Obj_Double *p_rd=new CDictionary_Obj_Double;
CSugenoFuzzyRule *rule=Rules().GetNodeAtIndex(i);
p_rd.SetAll(rule,EvaluateCondition(rule.Condition(),fuzzifiedInput));
result.Add(p_rd);
}
//--- return result
return (result);
}
//+------------------------------------------------------------------+
//| Calculate functions results |
//+------------------------------------------------------------------+
CList *CSugenoFuzzySystem::EvaluateFunctions(CList *inputValues)
{
CList *result=new CList;
for(int i=0; i<Output().Total(); i++)
{
CSugenoVariable *var=Output().GetNodeAtIndex(i);
CList *varResult=new CList;
for(int j=0; j<var.Functions().Total(); j++)
{
CDictionary_Obj_Double *p_fd=new CDictionary_Obj_Double;
CLinearSugenoFunction *func=var.Functions().GetNodeAtIndex(j);
p_fd.SetAll(func,func.Evaluate(inputValues));
varResult.Add(p_fd);
}
CDictionary_Obj_Obj *p_vl=new CDictionary_Obj_Obj;
p_vl.SetAll(var,varResult);
result.Add(p_vl);
}
//--- return result
return (result);
}
//+------------------------------------------------------------------+
//| Combine results of functions and rule evaluation |
//+------------------------------------------------------------------+
CList *CSugenoFuzzySystem::CombineResult(CList *ruleWeights,CList *functionResults)
{
CList *results=new CList;
CList *numerators=new CList;
CDictionary_Obj_Double *p_vd1;
CList *denominators=new CList;
CDictionary_Obj_Double *p_vd2;
//--- Calculate numerator and denominator separately for each output
for(int i=0; i<Output().Total(); i++)
{
p_vd1=new CDictionary_Obj_Double;
p_vd1.SetAll(Output().GetNodeAtIndex(i),0.0);
numerators.Add(p_vd1);
p_vd2=new CDictionary_Obj_Double;
p_vd2.SetAll(Output().GetNodeAtIndex(i),0.0);
denominators.Add(p_vd2);
}
for(int i=0; i<ruleWeights.Total(); i++)
{
double z=NULL;
double w=NULL;
CDictionary_Obj_Double *p_rd=ruleWeights.GetNodeAtIndex(i);
CSugenoFuzzyRule *rule=p_rd.Key();
CSugenoVariable *var=rule.Conclusion().Var();
for(int j=0; j<functionResults.Total(); j++)
{
CDictionary_Obj_Obj *p_vl=functionResults.GetNodeAtIndex(j);
if(p_vl.Key()==var)
{
CList *list=p_vl.Value();
for(int k=0; k<list.Total(); k++)
{
CDictionary_Obj_Double *p_fd=list.GetNodeAtIndex(k);
if(p_fd.Key()==rule.Conclusion().Term())
{
z=p_fd.Value();
break;
}
}
break;
}
}
for(int j=0; j<ruleWeights.Total(); j++)
{
p_rd=ruleWeights.GetNodeAtIndex(j);
if(p_rd.Key()==rule)
{
w=p_rd.Value();
break;
}
}
for(int j=0; j<numerators.Total(); j++)
{
p_vd1=numerators.GetNodeAtIndex(j);
double num=p_vd1.Value();
if(p_vd1.Key()==rule.Conclusion().Var())
{
num=num+(z*w);
p_vd1.Value(num);
break;
}
}
for(int j=0; j<denominators.Total(); j++)
{
p_vd2=denominators.GetNodeAtIndex(j);
double den=p_vd2.Value();
if(p_vd2.Key()==rule.Conclusion().Var())
{
den=den+w;
p_vd2.Value(den);
break;
}
}
}
//--- Calculate the fractions
for(int i=0; i<Output().Total(); i++)
{
CSugenoVariable *var=Output().GetNodeAtIndex(i);
CDictionary_Obj_Double *p_vd_res=new CDictionary_Obj_Double;
CDictionary_Obj_Double *p_vd_num;
CDictionary_Obj_Double *p_vd_den;
for(int j=0; j<numerators.Total(); j++)
{
p_vd_num=numerators.GetNodeAtIndex(j);
if(p_vd_num.Key()==var)
{
break;
}
}
for(int j=0; j<denominators.Total(); j++)
{
p_vd_den=denominators.GetNodeAtIndex(j);
if(p_vd_den.Key()==var)
{
break;
}
}
if(p_vd_den.Value()==0.0)
{
p_vd_res.Value(0.0);
results.Add(p_vd_res);
}
else
{
p_vd_res.Value(p_vd_num.Value()/p_vd_den.Value());
results.Add(p_vd_res);
}
}
//--- return result
delete numerators;
delete denominators;
return (results);
}
//+------------------------------------------------------------------+
//| Calculate output of fuzzy system |
//+------------------------------------------------------------------+
CList *CSugenoFuzzySystem::Calculate(CList *inputValues)
{
//--- There should be one rule as minimum
if(m_rules.Total()==0)
{
Print("There should be one rule as minimum.");
//--- return
return (NULL);
}
//--- Fuzzification step
CList *fuzzifiedInput=Fuzzify(inputValues);
//--- Evaluate the conditions
CList *ruleWeights=EvaluateConditions(fuzzifiedInput);
//--- Functions evaluation
CList *functionsResult=EvaluateFunctions(inputValues);
//--- Combine output
CList *result=CombineResult(ruleWeights,functionsResult);
//---
for(int i=0; i<functionsResult.Total(); i++)
{
CDictionary_Obj_Obj *pair=functionsResult.GetNodeAtIndex(i);
delete pair.Value();
}
delete functionsResult;
delete ruleWeights;
for(int i=0; i<fuzzifiedInput.Total(); i++)
{
CDictionary_Obj_Obj *pair=fuzzifiedInput.GetNodeAtIndex(i);
delete pair.Value();
}
delete fuzzifiedInput;
//--- return result
return (result);
}
//+------------------------------------------------------------------+
+254
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//+------------------------------------------------------------------+
//| sugenovariable.mqh |
//| Copyright 2000-2026, MetaQuotes Ltd. |
//| www.mql5.com |
//+------------------------------------------------------------------+
//| Implementation of Fuzzy library in MetaQuotes Language 5 |
//| |
//| The features of the library include: |
//| - Create Mamdani fuzzy model |
//| - Create Sugeno fuzzy model |
//| - Normal membership function |
//| - Triangular membership function |
//| - Trapezoidal membership function |
//| - Constant membership function |
//| - Defuzzification method of center of gravity (COG) |
//| - Defuzzification method of bisector of area (BOA) |
//| - Defuzzification method of mean of maxima (MeOM) |
//| |
//| This file is free software; you can redistribute it and/or |
//| modify it under the terms of the GNU General Public License as |
//| published by the Free Software Foundation (www.fsf.org); either |
//| version 2 of the License, or (at your option) any later version. |
//| |
//| This program is distributed in the hope that it will be useful, |
//| but WITHOUT ANY WARRANTY; without even the implied warranty of |
//| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
//| GNU General Public License for more details. |
//+------------------------------------------------------------------+
#include <Arrays\List.mqh>
#include "FuzzyVariable.mqh"
#include "Dictionary.mqh"
//+------------------------------------------------------------------+
//| Purpose: creating Sugeno variable. |
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+
//| The base class for Linear Sugeno Function |
//+------------------------------------------------------------------+
class ISugenoFunction : public CNamedValueImpl
{
public:
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_ISugenoFunction); }
};
//+------------------------------------------------------------------+
//| Lenear function for Sugeno Fuzzy System |
//+------------------------------------------------------------------+
class CLinearSugenoFunction : public ISugenoFunction
{
private:
CList *m_input; // List of input variables
CList *m_coeffs; // The dictionary which stores variables and their coefficients
double m_const_value; // The constant term of the linear equation
public:
CLinearSugenoFunction(const string name,CList *in);
CLinearSugenoFunction(const string name,CList *in,CList *coeffs,const double constValue);
CLinearSugenoFunction(const string name,CList *in,const double &coeffs[]);
~CLinearSugenoFunction(void);
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_LinearSugenoFunction); }
//--- methods gets or sets constant coefficient
double ConstValue() { return(m_const_value); }
void ConstValue(const double value) { m_const_value=value; }
//--- methods gets or sets coefficient by fuzzy variable
double GetCoefficient(CFuzzyVariable *var);
void SetCoefficient(CFuzzyVariable *var,const double coeff);
//--- calculate
double Evaluate(CList *inputValues);
};
//+------------------------------------------------------------------+
//| First constructor with parameters |
//+------------------------------------------------------------------+
CLinearSugenoFunction::CLinearSugenoFunction(const string name,CList *in)
{
m_coeffs=new CList;
CNamedValueImpl::Name(name);
m_input=in;
}
//+------------------------------------------------------------------+
//| Second constructor with parameters |
//+------------------------------------------------------------------+
CLinearSugenoFunction::CLinearSugenoFunction(const string name,CList *in,CList *coeffs,const double constValue)
{
CNamedValueImpl::Name(name);
m_input=in;
//--- Check that all coeffecients are related to the variable from input
for(int i=0; i<coeffs.Total(); i++)
{
CDictionary_Obj_Double *p_vd=coeffs.GetNodeAtIndex(i);
if((m_input.IndexOf(p_vd.Key())==-1) && (in.Total()==coeffs.Total()))
{
Print("Input of the fuzzy system does not contain all variable.");
}
}
m_coeffs=coeffs;
m_const_value=constValue;
}
//+------------------------------------------------------------------+
//| Third constructor with parameters |
//+------------------------------------------------------------------+
CLinearSugenoFunction::CLinearSugenoFunction(const string name,CList *in,const double &coeffs[])
{
m_coeffs=new CList;
m_input=in;
CNamedValueImpl::Name(name);
//--- Check input values
if(ArraySize(coeffs)!=in.Total() && ArraySize(coeffs)!=(in.Total()+1))
{
Print("Wrong lenght of coefficients array");
}
//--- Fill list of coefficients
for(int i=0; i<in.Total(); i++)
{
CDictionary_Obj_Double *p_vd=new CDictionary_Obj_Double;
CFuzzyVariable *var=in.GetNodeAtIndex(i);
p_vd.SetAll(var,coeffs[i]);
m_coeffs.Add(p_vd);
}
if(ArraySize(coeffs)==(in.Total()+1))
{
m_const_value=coeffs[ArraySize(coeffs)-1];
}
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CLinearSugenoFunction::~CLinearSugenoFunction(void)
{
if(CheckPointer(m_input)==POINTER_DYNAMIC)
delete m_input;
if(CheckPointer(m_coeffs)==POINTER_DYNAMIC)
delete m_coeffs;
}
//+------------------------------------------------------------------+
//| Get coefficient by fuzzy variable |
//+------------------------------------------------------------------+
double CLinearSugenoFunction::GetCoefficient(CFuzzyVariable *var)
{
if(var==NULL)
{
//--- return const coefficient
return (m_const_value);
}
else
{
for(int i=0; i<m_coeffs.Total(); i++)
{
CDictionary_Obj_Double *p_vd=m_coeffs.GetNodeAtIndex(i);
if(p_vd.Key()==var)
{
//--- return coefficient
return (p_vd.Value());
}
}
}
//--- return NULL
return (NULL);
}
//+------------------------------------------------------------------+
//| Set coefficient by fuzzy variable |
//+------------------------------------------------------------------+
void CLinearSugenoFunction::SetCoefficient(CFuzzyVariable *var,const double coeff)
{
if(var==NULL)
{
m_const_value=coeff;
}
else
{
for(int i=0; i<m_coeffs.Total(); i++)
{
CDictionary_Obj_Double *p_vd=m_coeffs.GetNodeAtIndex(i);
if(p_vd.Key()==var)
{
p_vd.Value(coeff);
}
m_coeffs.Delete(i);
m_coeffs.Insert(p_vd,i);
}
}
}
//+------------------------------------------------------------------+
//| Calculate result of linear function |
//+------------------------------------------------------------------+
double CLinearSugenoFunction::Evaluate(CList *inputValues)
{
double result=0.0;
for(int i=0; i<m_coeffs.Total(); i++)
{
CDictionary_Obj_Double *p_vd1=m_coeffs.GetNodeAtIndex(i);
CDictionary_Obj_Double *p_vd2=inputValues.GetNodeAtIndex(i);
result+=(p_vd1.Value())*(p_vd2.Value());
}
result+=m_const_value;
//--- return result
return (result);
}
//+------------------------------------------------------------------+
//| Used as an output variable in Sugeno fuzzy inference system |
//+------------------------------------------------------------------+
class CSugenoVariable : public CNamedVariableImpl
{
private:
CList *m_functions; // List of Sugeno functions
public:
CSugenoVariable(const string name);
~CSugenoVariable(void);
//--- method to check type
virtual bool IsTypeOf(EnType type) { return(type==TYPE_CLASS_SugenoVariable); }
//--- method gets the list of functions that belongs to the variable
CList *Functions() { return(m_functions); }
//--- overload gets the list of functions that belongs to the variable
CList *Values() { return(m_functions); }
//--- find function by name
ISugenoFunction *GetFuncByName(const string name);
};
//+------------------------------------------------------------------+
//| Constructor with parameters |
//+------------------------------------------------------------------+
CSugenoVariable::CSugenoVariable(const string name)
{
m_functions=new CList;
CNamedVariableImpl::Name(name);
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CSugenoVariable::~CSugenoVariable(void)
{
delete m_functions;
}
//+--------------------------------------------------------------------------------------+
//| Find function by its name |
//+--------------------------------------------------------------------------------------+
ISugenoFunction *CSugenoVariable::GetFuncByName(const string name)
{
CList *values=CSugenoVariable::Values();
values.Total();
for(int i=0; i<values.Total(); i++)
{
CNamedValueImpl *func=values.GetNodeAtIndex(i);
if(func.Name()==name)
{
ISugenoFunction *result=m_functions.GetNodeAtIndex(i);
//--- return result
return (result);
}
}
Print("The function of the same name is not found");
//--- return
return (NULL);
}
//+------------------------------------------------------------------+