member.cc

To increase life time fuzzy using

#include "member.h"
#define DEBUG 0

member::member(float x1,float x2,float x3)
{
    if(x1>x2 || x2>x3){
	cerr << "x1=" << x1 << "  must be greater then x2=" << x2
	     << " and x2=" << x2 << " must be greater then x3=" << x3
	     << endl;
	exit(1);
    }
    lu=x1;
    lo=ro=x2;
    ru=x3;
    flag=DREIECK;
}

member::member(float x1,float x2,float x3, float x4)
{
    if(x1>x2 || x2>x3 || x3>x4){
	cerr << "x1=" << x1 << "  must be greater then x2=" << x2
	     << " and x2=" << x2 << " must be greater then x3=" << x3
	     << " and x3=" << x3 << " must be greater then x4=" << x4
	     << endl;
	exit(1);
    }
    lu=x1;
    lo=x2;
    ro=x3;
    ru=x4;
    flag=TRAPEZ;
}

member::~member()
{}

void member::set_name(string x)
{ 
    name = x;
}

string member::get_name()
{
    return name;
}

float member::get(float x)
{
    if(DEBUG==1){
	cerr << x << " " << lu << " " << lo << " " << ro << " "
	     << ru << endl;
    }
    if(flag==DREIECK){
	if(x<=lu) return 0.0;
	if(x>=ru) return 0.0;
	if(x>lu && x<=lo)
	    return((x-lu)/(lo-lu));
	else
	    return(1.0-(x-ro)/(ru-ro));
    }
    else{
	if(x<=lu) return 0.0;
	if(x>=ru) return 0.0;
	if(x>=lo && x<=ro) return 1.0;
	if(x>lu && x<=lo)
	    return((x-lu)/(lo-lu));
	else
	    return(1.0-(x-ro)/(ru-ro));
    }
}