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.. Copyright (c) 2016, Johan Mabille, Sylvain Corlay and Wolf Vollprecht
Distributed under the terms of the BSD 3-Clause License.
The full license is in the file LICENSE, distributed with this software.
Manipulation
============
atleast_Nd
----------
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a0 = 123;
auto r1 = xt::atleast_1d(a0);
xt::xarray<int> a1 = { 1, 2, 3 };
auto r2 = xt::atleast_2d(a1);
auto r3 = xt::atleast_3d(a1);
auto r4 = xt::atleast_Nd<4>(a1);
expand_dims
-----------
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
auto r0 = xt::expand_dims(a, 0);
auto r1 = xt::expand_dims(a, 1);
auto r2 = xt::expand_dims(a, 2);
flip
----
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
auto f0 = xt::flip(a, 0);
auto f1 = xt::flip(a, 1);
repeat
------
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2}, {3, 4}};
auto r0 = xt::repeat(a, 3, 1);
auto r1 = xt::repeat(a, {1, 2}, 0);
roll
----
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
auto t0 = xt::roll(a, 2);
auto t1 = xt::roll(a, 2, 1);
rot90
-----
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
auto r0 = xt::rot90<1>(a);
auto r1 = xt::rot90<-2>(a);
auto r2 = xt::rot90(a);
auto r4 = xt::rot90(a, {-2, -1});
split
-----
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
auto s0 = xt::split(a, 3);
auto s1 = xt::split(a, 3, 1);
hsplit
------
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}};
auto res = xt::hsplit(a, 2);
vsplit
------
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12}};
auto res = xt::vsplit(a, 2);
squeeze
-------
.. code::
#include <xtensor/xmanipulation.hpp>
auto b = xt::xarray<double>::from_shape({3, 3, 1, 1, 2, 1, 3});
auto sq0 = xt::xqueeze(b);
auto sq1 = squeeze(b, {2, 3}, check_policy::full());
auto sq2 = squeeze(b, 2);
trim_zeros
----------
.. code::
#include <xtensor/xmanipulation.hpp>
xt::xarray<int> a = {0, 0, 0, 1, 3, 0};
auto t0 = xt::trim_zeros(a);
auto t1 = xt::trim_zeros(a, "b");
auto t2 = xt::trim_zeros(a, "f");
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