#include "xnorGate.h"

using namespace std;

xnorGate::xnorGate(priority_queue<event> *eQueue, int d, wire* wire1,
		wire* wire2, wire* wire3) {
	e = eQueue;
	delay = d;
	in1 = wire1;
	in2 = wire2;
	out = wire3;
}

void xnorGate::evaluate(int evTime) {
	if (in1->getValue(evTime) != -1 && in2->getValue(evTime) != -1) {
		if (in1->getValue(evTime) == in2->getValue(evTime)) {
			if (out->getValue(evTime + delay) != 1) {
				e->push(event(e->size, 1, evTime + delay, out));
				out->setValue(1, evTime + delay);
			}
		}
		else {
			if (out->getValue(evTime + delay) != 0) {
				e->push(event(e->size, 0, evTime + delay, out));
				out->setValue(0, evTime + delay);
			}
		}
	}
}

int xnorGate::getDelay()
{
	return delay;
}