public static IEnumerable <uint> GetSeedsFromIVsSkip(RNG method, uint rand1, uint rand3)
{
Debug.Assert(rand1 >> 15 == 0);
Debug.Assert(rand3 >> 15 == 0);
rand1 <<= 16;
rand3 <<= 16;
var seeds = method.RecoverLower16BitsGap(rand1, rand3)
.Concat(method.RecoverLower16BitsGap(rand1, rand3 ^ 0x80000000));
foreach (var z in seeds)
{
yield return(z);
yield return(z ^ 0x80000000); // sister bitflip
}
}
private static IEnumerable <uint> GetSeedsFromPIDSkip(RNG method, uint a, uint b)
{
Debug.Assert(a >> 16 == 0);
Debug.Assert(b >> 16 == 0);
uint third = a << 16;
uint first = b << 16;
return(method.RecoverLower16BitsGap(first, third));
}