public static XSlice Step(int step)
{
if (step < 0)
{
return(XSlice.Create(-1, int.MinValue, step));
}
return(XSlice.Create(0, int.MaxValue, step));
}
public static XSlice From(Scalar <int> start, int step = 1)
{
if (step < 0)
{
return(XSlice.Create(start, int.MinValue, step));
}
else
{
return(XSlice.Create(start, int.MaxValue, step));
}
}
public static XSlice Until(Scalar <int> stop, int step = 1)
{
if (step < 0)
{
return(XSlice.Create(-1, stop, step));
}
else
{
return(XSlice.Create(0, stop, step));
}
}
//public static readonly Slice NewAxis = Range(0, 0, int.MaxValue);
public static XSlice Range(Scalar <int> start, Scalar <int> stop, int step = 1)
{
if (stop == null)
{
return(From(start, step));
}
if (start == null)
{
return(Until(stop, step));
}
return(XSlice.Create(start, stop, step));
}
public static XSlice Only(Scalar <int> i) => XSlice.Create(i, i + 1, 0);