Truncated multiplication with approximate rounding

  title={Truncated multiplication with approximate rounding},
  author={Earl Eugene Swartzlander},
  journal={Conference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers (Cat. No.CH37020)},
  pages={1480-1483 vol.2}
In many signal processing applications it is desirable to maintain constant word size through the basic arithmetic operations of add, subtract, multiply and divide. Of these operations, multiply is the biggest concern as multiplying two n-bit data yields a 2n-bit product. Forming the full product and rounding it to the desired precision is mathematically attractive, but the complexity is high. Forming a portion of the bit product matrix would reduce the complexity, but this incurs potentially… CONTINUE READING
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Truncated Multiplication with Correction Constant

E. E. Swartzlander
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On-the-fly rounding for division and square root

IEEE Symposium on Computer Arithmetic • 1989
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