/**
  * Sets {@link mXparser#primesCache} to null
  */
 public static void setNoPrimesCache()
 {
     primesCache = null;
 }
 /**
  * Initialization of prime numbers cache.
  * @param mximumNumberInCache The maximum integer number that
  *                            will be stored in cache.
  * @see PrimesCache
  */
 public static void initPrimesCache(int mximumNumberInCache)
 {
     primesCache = new PrimesCache(mximumNumberInCache);
 }
 /**
  * Initialization of prime numbers cache.
  * @param primesCache The primes cache object
  * @see PrimesCache
  */
 public static void initPrimesCache(PrimesCache primesCache)
 {
     mXparser.primesCache = primesCache;
 }
 /**
  * Initialization of prime numbers cache.
  * Cache size according to {@link PrimesCache#DEFAULT_MAX_NUM_IN_CACHE}
  * @see PrimesCache
  */
 public static void initPrimesCache()
 {
     primesCache = new PrimesCache();
 }