ndslice help.

Zz via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Wed Dec 30 15:17:58 PST 2015


On Wednesday, 30 December 2015 at 20:43:21 UTC, Ilya Yaroshenko 
wrote:
> 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

Thanks


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