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Digital Reversed Order (G Dataflow)

Version:
    Last Modified: January 9, 2017

    Modifies the input array according to the digital-reversed order of the index.

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    input array

    The real input array this node modifies. The length of input array must be an integer power of radix.

    This input accepts the following data types:
    • 1D array of double-precision, floating-point numbers
    • 1D array of complex double-precision, floating-point numbers
    • 1D array of 32-bit signed integers
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    radix

    Base of the exponent. radix must be greater than or equal to 2.

    Default: 2

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    error in

    Error conditions that occur before this node runs. The node responds to this input according to standard error behavior.

    Default: No error

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    reversed array

    The input array with modified elements.

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    reversed indices

    Corresponding index of the input array for each element in the output array.

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    error out

    Error information. The node produces this output according to standard error behavior.

    Algorithm for Calculating reversed array

    When the index of a sequence has the radix-base digits (a0a1...an), this node modifies the sequence X into the digital-reversed sequence Y according to the following equation:

    Y ( a 0 a 1 a n ) = X ( a n a n 1 a 0 )

    For examples of radix-base digits, 2-base is binary and 16-base is hexadecimal.

    The following illustration shows the 2-base reversed order (bit-reversed order) of 8 elements.

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported


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