Question
Implement a LFSR.cpp file that includes the header file below. Reference : http://bits.usc.edu/cs103/coursework/lfsr/ //Header File #ifndef LFSR_H #define LFSR_H class LFSR { private: Queue q;
Implement a LFSR.cpp file that includes the header file below.
Reference : http://bits.usc.edu/cs103/coursework/lfsr/
//Header File
#ifndef LFSR_H #define LFSR_H
class LFSR { private: Queue q; // Queue object
int t1, t2; // Tap index values - two integers (peek offsets from front of queue)
bool XOR(int a, int b); // XOR(...) // Exclusive OR function // a | b | a XOR b // ---------------- // 0 | 0 | 0 // 0 | 1 | 1 // 1 | 0 | 1 // 1 | 1 | 0
public: LFSR(string seed, int tap1, int tap2); // LFSR(...) // Initializes t1 and t2 to tap1 and tap2, respectively // and parses seed string to loading queue with starting values void NextState(); // NextState() // Iterator method computes and queues next pseudo-random number in sequence // Algorithm // (1) temp = Peek(tap1) XOR Peek(tap2) // (2) Dequeue // (3) Enqueue(temp)
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