//+++++++++++++++++++++++++++++++++++++++++++++++++++++
// File automatically generated by Xfuzzy - DO NOT EDIT
//+++++++++++++++++++++++++++++++++++++++++++++++++++++
package pkg.xfl.mfunc;
import xfuzzy.lang.*;
public class bell extends ParamMemFunc {
public bell() {
super("xfl","bell");
Parameter single[] = new Parameter[2];
single[0] = new Parameter("a");
single[1] = new Parameter("b");
setSingleParameters(single);
}
public double compute(double x) {
double a = singleparam[0].value;
double b = singleparam[1].value;
return Math.exp( -(a-x)*(a-x)/(b*b) );
}
public double greatereq(double x) {
double a = singleparam[0].value;
double b = singleparam[1].value;
if(x>a) return 1; return Math.exp( - (x-a)*(x-a)/(b*b) );
}
public double smallereq(double x) {
double a = singleparam[0].value;
double b = singleparam[1].value;
if(x<a) return 1; return Math.exp( - (x-a)*(x-a)/(b*b) );
}
public double center() {
double a = singleparam[0].value;
double b = singleparam[1].value;
return a;
}
public double basis() {
double a = singleparam[0].value;
double b = singleparam[1].value;
return b;
}
public double[] deriv_eq(double x) {
double[] deriv = new double[getNumberOfParameters()];
double a = singleparam[0].value;
double b = singleparam[1].value;
double aux = (x-a)/b;
deriv[0] = 2*aux*Math.exp(-aux*aux)/b;
deriv[1] = 2*aux*aux*Math.exp(-aux*aux)/b;
return deriv;
}
public double[] deriv_greq(double x) {
double[] deriv = new double[getNumberOfParameters()];
double a = singleparam[0].value;
double b = singleparam[1].value;
if(x>a) { deriv[0] = 0; deriv[1] = 0; }
else {
double aux = (x-a)/b;
deriv[0] = 2*aux*Math.exp(-aux*aux)/b;
deriv[1] = 2*aux*aux*Math.exp(-aux*aux)/b;
}
return deriv;
}
public double[] deriv_smeq(double x) {
double[] deriv = new double[getNumberOfParameters()];
double a = singleparam[0].value;
double b = singleparam[1].value;
if(x<a) { deriv[0] = 0; deriv[1] = 0; }
else {
double aux = (x-a)/b;
deriv[0] = 2*aux*Math.exp(-aux*aux)/b;
deriv[1] = 2*aux*aux*Math.exp(-aux*aux)/b;
}
return deriv;
}
public double[] deriv_center() {
double[] deriv = new double[getNumberOfParameters()];
double a = singleparam[0].value;
double b = singleparam[1].value;
deriv[0] = 1; deriv[1] = 0;
return deriv;
}
public double[] deriv_basis() {
double[] deriv = new double[getNumberOfParameters()];
double a = singleparam[0].value;
double b = singleparam[1].value;
deriv[0] = 0; deriv[1] = 1;
return deriv;
}
public boolean test () {
double min = this.u.min();
double max = this.u.max();
double a = singleparam[0].value;
double b = singleparam[1].value;
return ( a>=min && a<=max && b>0 && b<=(max-min)/2 );
}
public void update() {
if(!isAdjustable()) return;
double[] pos = get();
double[] desp = getDesp();
boolean[] adj = getAdjustable();
double min = this.u.min();
double max = this.u.max();
double a = singleparam[0].value;
double b = singleparam[1].value;
double grid = 1.0e-10;
a += desp[0];
b += desp[1];
if(a<min) a = min;
if(a>max) a = max;
if(b<=0) b = pos[1]/2;
if(b<=grid) b = grid;
if(b>(max-min)/2) b = (max-min)/2;
pos[0] = a;
pos[1] = b;
updateValues(pos);
}
public String getEqualJavaCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return Math.exp( -(a-x)*(a-x)/(b*b) ); "+eol;
return code;
}
public String getGreqJavaCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " if(x>a) return 1; return Math.exp( - (x-a)*(x-a)/(b*b) ); "+eol;
return code;
}
public String getSmeqJavaCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " if(x<a) return 1; return Math.exp( - (x-a)*(x-a)/(b*b) ); "+eol;
return code;
}
public String getCenterJavaCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return a; "+eol;
return code;
}
public String getBasisJavaCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return b; "+eol;
return code;
}
public String getEqualCCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return exp( -(a-x)*(a-x)/(b*b) ); "+eol;
return code;
}
public String getGreqCCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " if(x>a) return 1; return exp( - (x-a)*(x-a)/(b*b) ); "+eol;
return code;
}
public String getSmeqCCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " if(x<a) return 1; return exp( - (x-a)*(x-a)/(b*b) ); "+eol;
return code;
}
public String getCenterCCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return a; "+eol;
return code;
}
public String getBasisCCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return b; "+eol;
return code;
}
public String getEqualCppCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return exp( -(a-x)*(a-x)/(b*b) ); "+eol;
return code;
}
public String getGreqCppCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " if(x>a) return 1; return exp( - (x-a)*(x-a)/(b*b) ); "+eol;
return code;
}
public String getSmeqCppCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " if(x<a) return 1; return exp( - (x-a)*(x-a)/(b*b) ); "+eol;
return code;
}
public String getCenterCppCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return a; "+eol;
return code;
}
public String getBasisCppCode() {
String eol = System.getProperty("line.separator", "\n");
String code = "";
code += " return b; "+eol;
return code;
}
}