In this chapter we consider the CORDIC algorithm and its implementation. 1
This algorithm permits the realization of rotations, the calculation of trigono-
metric functions, such as sin and cosine, of the inverse trigonometric function
tan -1
(a/b),
and of x/a ~ + b 2. Moreover, it has been extended to hyperbolic func-
tions and multiplication and division. In addition, minor modifications allow the
calculation of other functions such as square root, exponential, and logarithm.
The algorithm is attractive because of its generality, as well as its efficiency
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