The evaluation of functions is an important part of many numerical compu-
tations. The set of functions we consider includes logarithm, exponential, and
various trigonometric functions. The computation of these functions can be per-
formed in software, using the standard floating-point instructions. For this, there
are libraries that are suitable for particular processors. On the other hand, these
functions can be computed by hardware/firmware implementations. These im-
plementations might be specific for one particular function or for a set of functions.
Since the hardware/firmware implementations can customize ...
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