Esempio n. 1
0
        /// <summary>
        /// Sets the initial seed Ig of stream g to the vector seed. This vector must satisfy the same
        /// conditions as the SetPackageSeed method. The stream is then reset to this initial seed. The
        /// states and seeds of the other streams are not modified. As a result, after calling this method,
        /// the initial seeds of the streams are no longer spaced Z values apart. We discourage the use of
        /// this method. Returns false for invalid seeds, true otherwise.  StreamID is set to -1 after this
        /// method is called.
        /// </summary>
        /// <param name="seed">The seed values to set.</param>
        /// <returns>True if the seed values are successfully set, false otherwise.</returns>
        public virtual bool setSeed(long[] seed)
        {
            int i;

            if (RngStream.CheckSeed(seed) != 0)
            {
                return(false);    // FAILURE
            }
            for (i = 0; i < 6; ++i)
            {
                Cg[i] = Bg[i] = Ig[i] = seed[i];
            }
            streamID = -1;
            return(true);         // SUCCESS
        }
Esempio n. 2
0
 /// <summary>
 /// Sets the initial seed of the first stream to the six longs in the passed vector seed. This will
 /// be the seed (initial state) of the first stream. If one of the setPackageSeed methods is not called, the
 /// default initial seed is (12345, 12345, 12345, 12345, 12345, 12345). If it is called, the first 3
 /// values of the seed must all be less than m1 = 4294967087, and not all 0; and the last 3 values must
 /// all be less than m2 = 4294944443, and not all 0.  NOTE: if this method is called, the originalSeed value
 /// is set to -1.
 /// </summary>
 /// <param name="seed">The list of seeds to set.</param>
 /// <returns>True if the seeds are successfully set, false otherwise.</returns>
 public static bool setPackageSeed(long[] seed)
 {
     lock (seedLocker)
     {
         originalSeed = -1;
         // Must use long because there is no unsigned int type.
         if (RngStream.CheckSeed(seed) != 0)
         {
             return(false);     // FAILURE
         }
         for (int i = 0; i < 6; ++i)
         {
             nextSeed[i]    = seed[i];
             packageSeed[i] = seed[i];
         }
         nextStreamID = 0;
         return(true);         // SUCCESS
     }
 }