Title
CORDIC Processor for Variable-Precision Interval Arithmetic
Abstract
In this paper we present a specific CORDIC processor for variable-precision coordinates. This system allows us to specify the precision to perform the CORDIC operation, and control the accuracy of the result, in such a way that re-computation of inaccurate results can be carried out with higher precision. It permits a reliable and accurate evaluation of a wide range of elementary functions. The specific architecture designed greatly improves the computational time of previous solutions based on classic polynomial approximation. For controlling error in numerical computation (where intervals are normally narrow) the proposed design performs an interval operation in a time close to that of a point operation.
Year
DOI
Venue
2004
10.1023/B:VLSI.0000017001.88149.f4
VLSI Signal Processing
Keywords
Field
DocType
CORDIC,variable precision,interval arithmetic,reliable computing
Cordic processor,Polynomial,Computer science,Elementary function,Parallel computing,Variable precision,Algorithm,Theoretical computer science,CORDIC,Reliable computing,Interval arithmetic,Computation
Journal
Volume
Issue
ISSN
37
1
0922-5773
Citations 
PageRank 
References 
10
0.64
24
Authors
3
Name
Order
Citations
PageRank
Javier Hormigo111319.45
Julio Villalba221923.56
Emilio L. Zapata3811100.36