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Commit b9a21f1f authored by Raymond Toy's avatar Raymond Toy
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Implement a new atan method that is 21 times faster.

The new method uses a table and the taylor series for atan to compute
atan for real args.

qd-const.lisp:
o Add the two tables used for the atan computation.
o Include clisp code that generates the tables.

qd-fun.lisp:
o Implement atan using a set of tables and a Taylor series.

timing.lisp:
o Add a simple timing program to evaluate how fast each atan method
  is.
parent 3c136f7c
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