CORDICbased approximation of cosine
y
= cordiccos(theta
, niters
)
computes
the cosine of y
= cordiccos(theta
, niters
)theta
using a CORDIC algorithm approximation.






[1] Volder, JE. “The CORDIC Trigonometric Computing Technique.” IRE Transactions on Electronic Computers. Vol. EC8, September 1959, pp. 330–334.
[2] Andraka, R. “A survey of CORDIC algorithm for FPGA based computers.” Proceedings of the 1998 ACM/SIGDA sixth international symposium on Field programmable gate arrays. Feb. 22–24, 1998, pp. 191–200.
[3] Walther, J.S. “A Unified Algorithm for Elementary Functions.” HewlettPackard Company, Palo Alto. Spring Joint Computer Conference, 1971, pp. 379–386. (from the collection of the Computer History Museum). www.computer.org/csdl/proceedings/afips/1971/5077/00/50770379.pdf
[4] Schelin, Charles W. “Calculator Function Approximation.” The American Mathematical Monthly. Vol. 90, No. 5, May 1983, pp. 317–325.
cordiccexp
 cordicsin
 cordicsincos
 cos
 sin