Permutation.h

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#ifndef __permutation__
#define __permutation__

#include <cinttypes>

#include "uintx_t.h"


class CPerm{
  private:
    uint8_t* m_nMap; 
    uint8_t m_nSize; 

  public:
    std::vector<uint8_t> m_vecCycle; 

    CPerm(uint8_t n); 
    CPerm(uint8_t n, uintx_t m); 
    CPerm(uint8_t n, uint8_t init[]); 
    CPerm(const CPerm& p); 

    ~CPerm(); 

    void Randomize(uint64_t (*rng)(void)); 
    void RandomizeOdd(uint64_t (*rng)(void)); 

    void Randomize(uint32_t s[]); 

    uint8_t GetSize() const; 
    bool IsIdentity() const; 

    void printmap() const; 
    void printnum() const; 

    template<class uint> uint GetNum() const; 

    uint8_t operator[](uint8_t n) const; 
    CPerm& operator=(const CPerm& p); 
    const CPerm& operator*=(const CPerm& p); 

    friend bool operator==(const CPerm& p0, const CPerm& p1); 
}; //CPerm

//binary operators

bool operator==(const CPerm& p0, const CPerm& p1); 
bool operator!=(const CPerm& p0, const CPerm& p1); 

#endif