ndslice help.

Ilya Yaroshenko via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Wed Dec 30 12:43:21 PST 2015


On Wednesday, 30 December 2015 at 18:53:15 UTC, Zz wrote:
> Hi,
>
> Just playing with ndslice and I couldn't figure how to get the 
> following transformations.
>
> given.
>
> auto slicea = sliced(iota(6), 2, 3, 1);
> foreach (item; slicea)
> {
>    writeln(item);
> }
>
> which gives.
>
> [[0][1][2]]
> [[3][4][5]]
>
> what transformation should i do to get the following from 
> slicea.
>
> [[0][2][4]]
> [[1][3][5]]
>
> [[4][2][0]]
> [[5][3][1]]
>
> Zz

Hi,

void main()
{
	auto slicea = sliced(iota(6), 2, 3, 1);
	auto sliceb = slicea.reshape(3, 2, 1).transposed!1;
	auto slicec = sliceb.reversed!1;

	writefln("%(%(%(%s%)\n%)\n\n%)", [slicea, sliceb, slicec]);
}

Output:
[0][1][2]
[3][4][5]

[0][2][4]
[1][3][5]

[4][2][0]
[5][3][1]

Ilya


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