224 lines
7.0 KiB
C++
224 lines
7.0 KiB
C++
//--------------------------------------------------------------------------------
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// Code generated by jFuzzyLogic
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// jFuzzyLogic Version : JFuzzyLogic 3.2g (build 2013-10-20), by Pablo Cingolani
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// jFuzzyLogic creted by Pablo Cingolani
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//--------------------------------------------------------------------------------
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#include <stdio.h>
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#include <stdlib.h>
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double ruleAccumulationMethod_max(double defuzzifierValue, double valueToAggregate) { return ( defuzzifierValue > valueToAggregate ? defuzzifierValue : valueToAggregate ); }
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double ruleActivationMethod_min(double degreeOfSupport, double membership) { return (degreeOfSupport < membership ? degreeOfSupport : membership); }
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double ruleConnectionMethod_and(double antecedent1, double antecedent2) { return (antecedent1 < antecedent2 ? antecedent1 : antecedent2); }
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double ruleConnectionMethod_or(double antecedent1, double antecedent2) { return (antecedent1 > antecedent2 ? antecedent1 : antecedent2); }
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class FunctionBlock_tipper {
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public:
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// VAR_INPUT
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double food;
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double service;
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// VAR_OUTPUT
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double tip;
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private:
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// FUZZIFY food
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double food_delicious;
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double food_rancid;
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// FUZZIFY service
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double service_excellent;
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double service_good;
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double service_poor;
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// DEFUZZIFY tip
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double defuzzify_tip[1000];
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public:
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FunctionBlock_tipper();
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void calc();
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void print();
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private:
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void defuzzify();
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void fuzzify();
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void reset();
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double membership_food_delicious(double x);
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double membership_food_rancid(double x);
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double membership_service_excellent(double x);
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double membership_service_good(double x);
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double membership_service_poor(double x);
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double membership_tip_average(double x);
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double membership_tip_cheap(double x);
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double membership_tip_generous(double x);
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void calc_No1();
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};
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// Constructor
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FunctionBlock_tipper::FunctionBlock_tipper() {
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tip = 0.0;
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}
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// Calculate function block
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void FunctionBlock_tipper::calc() {
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reset();
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fuzzify();
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calc_No1();
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defuzzify();
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}
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// RULEBLOCK No1
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void FunctionBlock_tipper::calc_No1() {
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// RULE 1 : IF (service IS poor) OR (food IS rancid) THEN tip IS cheap;
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double degreeOfSupport_1 = 1.0 * ( ruleConnectionMethod_or(service_poor , food_rancid) );
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if( degreeOfSupport_1 > 0 ) {
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for (int i = 0 ; i < 1000 ; i++ ) {
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double x = 0.0 + i * 0.03;
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double membership = membership_tip_cheap(x);
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double y = ruleActivationMethod_min( degreeOfSupport_1 , membership );
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defuzzify_tip[i] += ruleAccumulationMethod_max( defuzzify_tip[i], y );
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}
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}
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// RULE 2 : IF service IS good THEN tip IS average;
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double degreeOfSupport_2 = 1.0 * ( service_good );
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if( degreeOfSupport_2 > 0 ) {
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for (int i = 0 ; i < 1000 ; i++ ) {
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double x = 0.0 + i * 0.03;
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double membership = membership_tip_average(x);
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double y = ruleActivationMethod_min( degreeOfSupport_2 , membership );
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defuzzify_tip[i] += ruleAccumulationMethod_max( defuzzify_tip[i], y );
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}
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}
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// RULE 3 : IF (service IS excellent) AND (food IS delicious) THEN tip IS generous;
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double degreeOfSupport_3 = 1.0 * ( ruleConnectionMethod_and(service_excellent , food_delicious) );
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if( degreeOfSupport_3 > 0 ) {
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for (int i = 0 ; i < 1000 ; i++ ) {
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double x = 0.0 + i * 0.03;
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double membership = membership_tip_generous(x);
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double y = ruleActivationMethod_min( degreeOfSupport_3 , membership );
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defuzzify_tip[i] += ruleAccumulationMethod_max( defuzzify_tip[i], y );
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}
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}
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}
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// Defuzzify
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void FunctionBlock_tipper::defuzzify() {
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double sum_tip = 0.0;
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double wsum_tip = 0.0;
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for (int i = 0; i < 1000 ; i++ ) {
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double x = 0.0 + i * 0.03;
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sum_tip += defuzzify_tip[i];
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wsum_tip += x * defuzzify_tip[i];
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}
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tip = wsum_tip / sum_tip;
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}
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// Fuzzify all variables
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void FunctionBlock_tipper::fuzzify() {
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food_delicious = membership_food_delicious(food);
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food_rancid = membership_food_rancid(food);
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service_excellent = membership_service_excellent(service);
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service_good = membership_service_good(service);
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service_poor = membership_service_poor(service);
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}
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// Membership functions
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double FunctionBlock_tipper::membership_food_delicious(double x) {
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if ( x <= 7.0 ) return 0.0;
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if ( x > 9.0 ) return 1.0;
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if ( x <= 9.0 ) return 0.0 + ( 1.0 - 0.0 ) * ( ( x - 7.0 ) / ( 9.0 - 7.0 ) );
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}
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double FunctionBlock_tipper::membership_food_rancid(double x) {
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if ( x <= 0.0 ) return 1.0;
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if ( x > 3.0 ) return 0.0;
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if ( x <= 1.0 ) return 1.0 + ( 1.0 - 1.0 ) * ( ( x - 0.0 ) / ( 1.0 - 0.0 ) );
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if ( x <= 3.0 ) return 1.0 + ( 0.0 - 1.0 ) * ( ( x - 1.0 ) / ( 3.0 - 1.0 ) );
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}
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double FunctionBlock_tipper::membership_service_excellent(double x) {
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if ( x <= 6.0 ) return 0.0;
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if ( x > 9.0 ) return 1.0;
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if ( x <= 9.0 ) return 0.0 + ( 1.0 - 0.0 ) * ( ( x - 6.0 ) / ( 9.0 - 6.0 ) );
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}
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double FunctionBlock_tipper::membership_service_good(double x) {
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if ( x <= 1.0 ) return 0.0;
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if ( x > 9.0 ) return 0.0;
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if ( x <= 4.0 ) return 0.0 + ( 1.0 - 0.0 ) * ( ( x - 1.0 ) / ( 4.0 - 1.0 ) );
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if ( x <= 6.0 ) return 1.0 + ( 1.0 - 1.0 ) * ( ( x - 4.0 ) / ( 6.0 - 4.0 ) );
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if ( x <= 9.0 ) return 1.0 + ( 0.0 - 1.0 ) * ( ( x - 6.0 ) / ( 9.0 - 6.0 ) );
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}
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double FunctionBlock_tipper::membership_service_poor(double x) {
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if ( x <= 0.0 ) return 1.0;
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if ( x > 4.0 ) return 0.0;
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if ( x <= 4.0 ) return 1.0 + ( 0.0 - 1.0 ) * ( ( x - 0.0 ) / ( 4.0 - 0.0 ) );
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}
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double FunctionBlock_tipper::membership_tip_average(double x) {
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if ( x <= 10.0 ) return 0.0;
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if ( x > 20.0 ) return 0.0;
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if ( x <= 15.0 ) return 0.0 + ( 1.0 - 0.0 ) * ( ( x - 10.0 ) / ( 15.0 - 10.0 ) );
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if ( x <= 20.0 ) return 1.0 + ( 0.0 - 1.0 ) * ( ( x - 15.0 ) / ( 20.0 - 15.0 ) );
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}
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double FunctionBlock_tipper::membership_tip_cheap(double x) {
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if ( x <= 0.0 ) return 0.0;
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if ( x > 10.0 ) return 0.0;
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if ( x <= 5.0 ) return 0.0 + ( 1.0 - 0.0 ) * ( ( x - 0.0 ) / ( 5.0 - 0.0 ) );
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if ( x <= 10.0 ) return 1.0 + ( 0.0 - 1.0 ) * ( ( x - 5.0 ) / ( 10.0 - 5.0 ) );
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}
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double FunctionBlock_tipper::membership_tip_generous(double x) {
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if ( x <= 20.0 ) return 0.0;
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if ( x > 30.0 ) return 0.0;
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if ( x <= 25.0 ) return 0.0 + ( 1.0 - 0.0 ) * ( ( x - 20.0 ) / ( 25.0 - 20.0 ) );
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if ( x <= 30.0 ) return 1.0 + ( 0.0 - 1.0 ) * ( ( x - 25.0 ) / ( 30.0 - 25.0 ) );
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}
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// Print
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void FunctionBlock_tipper::print() {
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printf("Function block tipper:\n");
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printf(" Input %20s : %f\n", "food" , food);
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printf(" %20s : %f\n", "food_delicious" , food_delicious);
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printf(" %20s : %f\n", "food_rancid" , food_rancid);
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printf(" Input %20s : %f\n", "service" , service);
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printf(" %20s : %f\n", "service_excellent" , service_excellent);
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printf(" %20s : %f\n", "service_good" , service_good);
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printf(" %20s : %f\n", "service_poor" , service_poor);
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printf(" Output %20s : %f\n", "tip" , tip);
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}
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// Reset output
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void FunctionBlock_tipper::reset() {
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for( int i=0 ; i < 1000 ; i++ ) { defuzzify_tip[i] = 0.0; }
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}
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int main(int argc, char *argv[]) {
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// Create function blocks
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FunctionBlock_tipper tipper;
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// Parse input
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if( argc > 1 ) { tipper.food = atof(argv[1]); }
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if( argc > 2 ) { tipper.service = atof(argv[2]); }
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// Calculate
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tipper.calc();
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// Show results
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tipper.print();
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}
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