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Floating point Cordic

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2 Author(s)
G. J. Hekstra ; Dept. of Electr. Eng., Delft Univ. of Technol., Netherlands ; E. F. A. Deprettere

A full-precision floating-point Cordic algorithm, suitable for the implementation of a word-serial Cordic architecture, is presented. The extension to existing block floating-point Cordic algorithms is in a floating-point representation for the angle. The angle is represented as a combination of exponent, microrotation bits, and two bits to indicate prerotations over π2 and π radians. Representing floating-point angles in this fashion maintains the accuracy that is present in the input data, which makes it ideally suited for implementing a floating-point Givens operator

Published in:

Computer Arithmetic, 1993. Proceedings., 11th Symposium on

Date of Conference:

29 Jun-2 Jul 1993