/// <summary>
/// Restores the state of the number generator based on the specified state parameter
/// </summary>
/// <example>
/// If you generated three random numbers and then called Save to store the state and
/// followed that up by generating 10 more numbers before calling Restore with the previously saved RandomState
/// the Restore method should return the generator back to the state when Save was first called.
/// This means that if you went on to generate 10 more numbers they would be the same 10 numbers that were
/// generated the first time after Save was called.
/// </example>
/// <param name="state">The state to restore to, usually obtained from calling the Save method</param>
/// <exception cref="ArgumentNullException">Thrown on null RandomState</exception>
public void Restore(RandomState state)
{
if (state == null)
{
throw new ArgumentNullException("state", "RandomState cannot be null");
}
_series = new Queue <int>();
foreach (int i in state.Seed)
{
_series.Enqueue(i);
}
_numberGenerated = state.NumberGenerated;
}
/// <summary>
/// Restores the state of the pseudo-random number generator based on the specified state parameter
/// </summary>
/// <example>
/// If you generated three random numbers and then called Save to store the state and
/// followed that up by generating 10 more numbers before calling Restore with the previously saved RandomState
/// the Restore method should return the generator back to the state when Save was first called.
/// This means that if you went on to generate 10 more numbers they would be the same 10 numbers that were
/// generated the first time after Save was called.
/// </example>
/// <param name="state">The state to restore to, usually obtained from calling the Save method</param>
/// <exception cref="ArgumentNullException">RandomState cannot be null</exception>
public void Restore(RandomState state)
{
if (state == null)
{
throw new ArgumentNullException("state", "RandomState cannot be null");
}
_seed = state.Seed[0];
_random = new System.Random(_seed);
for (long i = 0; i < state.NumberGenerated; i++)
{
_random.Next();
}
}
/// <summary>
/// Restores the state of the pseudo-random number generator based on the specified state parameter
/// </summary>
/// <example>
/// If you generated three random numbers and then called Save to store the state and
/// followed that up by generating 10 more numbers before calling Restore with the previously saved RandomState
/// the Restore method should return the generator back to the state when Save was first called.
/// This means that if you went on to generate 10 more numbers they would be the same 10 numbers that were
/// generated the first time after Save was called.
/// </example>
/// <param name="state">The state to restore to, usually obtained from calling the Save method</param>
/// <exception cref="ArgumentNullException">Thrown on null RandomState</exception>
public void Restore(RandomState state)
{
if (state == null)
{
throw new ArgumentNullException("state", "RandomState cannot be null");
}
_seed = state.Seed[0];
_random = new System.Random(_seed);
_numberGenerated = default(long);
_nextGaussian = default(double);
_uselast = true;
for (long i = 0; i < state.NumberGenerated; i++)
{
Next(1);
}
}
