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FEAT : 원형 큐 구현(박철준) #11

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FEAT : 원형 큐 구현(박철준) #11

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21 changes: 19 additions & 2 deletions include/queue/queue.tpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,19 +18,36 @@ void Queue<Data>::clear() {

template<class Data>
void Queue<Data>::push(Data data) {
if (size() >= QUEUE_SIZE - 1) {
throw std::overflow_error("Queue is full");
}
buffer[ep] = data;
ep = (ep + 1) % QUEUE_SIZE;
}

template<class Data>
Data Queue<Data>::pull() {
return buffer[sp];
if (size() == 0) {
throw std::underflow_error("Queue is empty");
}
Data data = buffer[sp];
sp = (sp + 1) % QUEUE_SIZE;
return data;
}

template<class Data>
Data Queue<Data>::top() {
if (size() == 0) {
throw std::underflow_error("Queue is empty (top)");
}
return buffer[sp];
}

template<class Data>
int Queue<Data>::size() {
return 0;
if (ep >= sp) {
return ep - sp;
} else {
return QUEUE_SIZE - sp + ep;
}
}