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overlap.rst

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overlap

Create an overlapping view an of input operator giving a higher-rank view of the input

For example, the following 1D tensor [1 2 3 4 5] could be cloned into a 2d tensor with a window size of 2 and overlap of 1, resulting in:

[1 2
 2 3
 3 4
 4 5]

Currently this only works on 1D tensors going to 2D, but may be expanded for higher dimensions in the future. Note that if the window size does not divide evenly into the existing column dimension, the view may chop off the end of the data to make the tensor rectangular.

Note

Only 1D input operators are accepted at this time

.. doxygenfunction:: overlap( const OpType &op, const index_t (&windows)[N], const index_t (&strides)[N])

.. doxygenfunction:: overlap( const OpType &op, const std::array<index_t, N> &windows, const std::array<index_t, N> &strides)

Examples

.. literalinclude:: ../../../../test/00_operators/overlap_test.cu
   :language: cpp
   :start-after: example-begin overlap-test-1
   :end-before: example-end overlap-test-1
   :dedent: