/// <summary>
/// Initializes a new Fuzzy <see cref="InferenceSystem"/>.
/// </summary>
///
/// <param name="database">A fuzzy <see cref="Database"/> containing the system linguistic
/// variables.</param>
/// <param name="defuzzifier">A defuzzyfier method used to evaluate the numeric otput
/// of the system.</param>
/// <param name="normOperator">A <see cref="INorm"/> operator used to evaluate the norms
/// in the <see cref="InferenceSystem"/>. For more information of the norm evaluation see <see cref="Rule"/>.</param>
/// <param name="conormOperator">A <see cref="ICoNorm"/> operator used to evaluate the
/// conorms in the <see cref="InferenceSystem"/>. For more information of the conorm evaluation see <see cref="Rule"/>.</param>
///
public InferenceSystem( Database database, IDefuzzifier defuzzifier, INorm normOperator, ICoNorm conormOperator )
{
this.database = database;
this.defuzzifier = defuzzifier;
this.normOperator = normOperator;
this.conormOperator = conormOperator;
this.rulebase = new Rulebase( );
}
/// <summary>
/// Initializes a new instance of the <see cref="Rule"/> class using as
/// CoNorm the <see cref="MaximumCoNorm"/> and as Norm the <see cref="MinimumNorm"/>.
/// </summary>
///
/// <param name="fuzzyDatabase">A fuzzy <see cref="Database"/> containig the linguistic variables
/// (see <see cref="LinguisticVariable"/>) that will be used in the <see cref="Rule"/>.</param>
///
/// <param name="name">Name of this <see cref="Rule"/>.</param>
///
/// <param name="rule">A string representing the <see cref="Rule"/>. It must be a "IF..THEN"
/// statement. For a more detailed description see <see cref="Rule"/> class.</param>
///
public Rule( Database fuzzyDatabase, string name, string rule ) :
this( fuzzyDatabase, name, rule, new MinimumNorm( ), new MaximumCoNorm( ) )
{
}
/// <summary>
/// Initializes a new Fuzzy <see cref="InferenceSystem"/>.
/// </summary>
///
/// <param name="database">A fuzzy <see cref="Database"/> containing the system linguistic variables.</param>
/// <param name="defuzzifier">A defuzzyfier method used to evaluate the numeric uotput of the system.</param>
///
public InferenceSystem( Database database, IDefuzzifier defuzzifier )
: this( database, defuzzifier, new MinimumNorm( ), new MaximumCoNorm( ) )
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Rule"/> class.
/// </summary>
///
/// <param name="fuzzyDatabase">A fuzzy <see cref="Database"/> containig the linguistic variables
/// (see <see cref="LinguisticVariable"/>) that will be used in the Rule.</param>
///
/// <param name="name">Name of this <see cref="Rule"/>.</param>
///
/// <param name="rule">A string representing the <see cref="Rule"/>. It must be a "IF..THEN" statement.
/// For a more detailed description see <see cref="Rule"/> class.</param>
///
/// <param name="normOperator">A class that implements a <see cref="INorm"/> interface to
/// evaluate the AND operations of the Rule. </param>
///
/// <param name="coNormOperator">A class that implements a <see cref="ICoNorm"/> interface
/// to evaluate the OR operations of the Rule. </param>
///
public Rule( Database fuzzyDatabase, string name, string rule, INorm normOperator, ICoNorm coNormOperator )
{
// the list with the RPN expression
rpnTokenList = new List<object>( );
// setting attributes
this.name = name;
this.rule = rule;
this.database = fuzzyDatabase;
this.normOperator = normOperator;
this.conormOperator = coNormOperator;
this.notOperator = new NotOperator( );
// parsing the rule to obtain RPN of the expression
ParseRule( );
}