/// <summary>
/// Creates a vector populated with component values that alternate between the first operand and the second
/// </summary>
/// <param name="a">The first operand</param>
/// <param name="b">The second operand</param>
/// <typeparam name="T">The primal component type</typeparam>
public static Vec256 <T> Alternate <T>(T a, T b)
where T : unmanaged
{
var n = Vec256 <T> .Length;
var dst = Span256.AllocBlock <T>();
for (var i = 0; i < n; i++)
{
dst[i] = even(i) ? a : b;
}
return(Vec256.Load(ref head(dst)));
}
