Scaling accumulator mult (signed value) in Distributed Arithmetic

Discussion in 'VHDL' started by MariuszK, Nov 11, 2007.

  1. MariuszK

    MariuszK Guest

    Hello,
    I am going write distributed arithmetic unit for signed values.
    Currently I have problem with scaling accumulator multiplier for
    signed values (negative positive).

    I use sign extending to input and table values to perform scaling
    accumulation.
    That's works but ... this is inefficient all additions must be double-
    precision and at least twice as many partial products are needed.

    Is it possibility to implement Scaling Accumulator Multipliers (for
    signed values) more efficient? (without sign extending)

    Regards,
    Mariusz
    MariuszK, Nov 11, 2007
    #1
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