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Ilya Lavrenov
2013-12-17 17:41:28 +04:00
parent 5d5527d03e
commit 3a6d248bee
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modules/core/doc/operations_on_arrays.rst
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@@ -929,7 +929,7 @@ So, the function chooses an operation mode depending on the flags and size of th
* When ``DFT_COMPLEX_OUTPUT`` is set, the output is a complex matrix of the same size as input.
* When ``DFT_COMPLEX_OUTPUT`` is not set, the output is a real matrix of the same size as input. In case of 2D transform, it uses the packed format as shown above. In case of a single 1D transform, it looks like the first row of the matrix above. In case of multiple 1D transforms (when using the ``DCT_ROWS`` flag), each row of the output matrix looks like the first row of the matrix above.
* When ``DFT_COMPLEX_OUTPUT`` is not set, the output is a real matrix of the same size as input. In case of 2D transform, it uses the packed format as shown above. In case of a single 1D transform, it looks like the first row of the matrix above. In case of multiple 1D transforms (when using the ``DFT_ROWS`` flag), each row of the output matrix looks like the first row of the matrix above.
* If the input array is complex and either ``DFT_INVERSE`` or ``DFT_REAL_OUTPUT`` are not set, the output is a complex array of the same size as input. The function performs a forward or inverse 1D or 2D transform of the whole input array or each row of the input array independently, depending on the flags ``DFT_INVERSE`` and ``DFT_ROWS``.