Hybrid CORDIC Algorithms

  • Authors:
  • Shaoyun Wang;Vincenzo Piuri;Earl E. Swartzlander, Jr.

  • Affiliations:
  • Univ. of Texas at Austin, Austin;Politecnico di Milano, Milan, Italy;Univ. of Texas at Austin, Austin

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1997

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Abstract

Each coordinate rotation digital computer iteration selects the rotation direction by analyzing the results of the previous iteration. In this paper, we introduce two arctangent radices and show that about 2/3 of the rotation directions can be derived in parallel without any error. Some architectures exploiting these strategies are proposed.