Definition: Compute trigonometric functions by iterative complex rotations. The advantage is that all computations can be done with addition, subtraction, and binary shifts.

Author: PEB


Wikipedia entry (C, MATLAB). dspGuru's introduction and code (C).

More information

The Internet Archive Wayback Machine copy of Shaoyun's CORDIC Bibliography Site at U. Texas in the late 1990's. It include Peter Knoppers' implementation in C.

Jack E. Volder, The CORDIC trigonometric computing technique, IRE Trans. Electron. Comput., EC-8, 3:330-334, September 1959.
Available in Earl E. Swartzlander, Jr., Computer Arithmetic, IEEE Computer Society Press, 1990.

Go to the Dictionary of Algorithms and Data Structures home page.

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Entry modified 28 March 2011.
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Cite this as:
Paul E. Black, "CORDIC", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 28 March 2011. (accessed TODAY) Available from: