static Vec256 <T> ClearAlternating()
{
var mask = Span256.Alloc <T>(1);
var chop = PrimalInfo.Get <T>().MaxVal;
//For the first 128-bit lane
var half = mask.Length / 2;
for (byte i = 0; i < half; i++)
{
if (i % 2 != 0)
{
mask[i] = chop;
}
else
{
mask[i] = convert <byte, T>(i);
}
}
//For the second 128-bit lane
for (byte i = 0; i < half; i++)
{
if (i % 2 != 0)
{
mask[i + half] = chop;
}
else
{
mask[i + half] = convert <byte, T>(i);
}
}
return(Vec256.Load(mask));
}
protected virtual Interval <byte> ShiftRange <K>()
where K : unmanaged
{
var offsetMin = (byte)1;
var offsetMax = (byte)(PrimalInfo.Get <K>().BitSize - 2);
return(closed(offsetMin, offsetMax));
}
/// <summary> /// Creates a graph from supplied vertices and edges, sorting the provided vertices according to their index /// </summary> /// <param name="vertices">The vertices in the graph</param> /// <param name="edges">The edges that connect the vertices</param> public static Graph <V> Define(IEnumerable <Vertex <V> > vertices, IEnumerable <Edge <V> > edges) => new Graph <V>(vertices.OrderBy(x => x.Index, PrimalInfo.comparer <V>()).ToArray(), edges.ToArray());