genHashTable.H

# ifndef GENHASHTABLE_H
# define GENHASHTABLE_H


class GenHashTable
{

protected:

  GenHashTable() { /* Empty */ }

public:

  static const unsigned int numPrimes = 28;

  static const unsigned long primeList[];

  static const unsigned int DefaultIndex = 0; 

  static const unsigned long DefaultPrime; // primeList[DefaultIndex]

  static int nextPrimeIndex(unsigned long n)
    {
      unsigned int i;

      for (i = 0; i < numPrimes; i++)
        if (primeList[i] > n)
          return i;
      return -1;
    }

  static int prevPrimeIndex(unsigned long n)
    {
      unsigned int i;

      for (i = 1; i < numPrimes; i++)
        if (primeList[i] > n)
          return i - 1;
            
      return -1;
    }

  
}; /* GenHashTable */



# endif /* GENHASHTABLE_H */