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C++ Mathematical Expression Library (ExprTk) http://www.partow.net/programming/exprtk/index.html

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Arash Partow 2013-03-27 01:35:51 +11:00
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@ -300,13 +300,10 @@ Expression Library can be found at:
[SPECIAL FUNCTIONS]
Special functions dramatically decrease the total evaluation time of
expressions, which would otherwise have been written using the common
form, by reducing the total number of nodes in the evaluation tree of
an expression and by also leveraging the C++ compiler's ability to
select an appropriate set of instructions for the given expression and
architecture so as to provide the most optimal and precision sensitive
result.
The purpose of special functions in ExprTk is to provide compiler
generated equivalents of common mathematical expressions which can be
invoked by using the 'special function' syntax (eg: $f12(x,y,z) or
$f24(x,y,z,w)).
Special functions dramatically decrease the total evaluation time of
expressions which would otherwise have been written using the common