/// <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
}
/// <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
}
}
