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

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Arash Partow
2014-11-12 07:01:09 +11:00
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18
readme.txt
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@ -1252,7 +1252,23 @@ into account when using Exprtk:
8. null != null --> false
9. null != x --> false
(27) Every ExprTk statement is a "value returning" expression. Unlike
(27) The following is a list of reserved words and symbols used by
ExprTk. Attempting to add a variable or custom function to a
symbol table using any of the reserved words will result in
a failure.
abs, acos, acosh, and, asin, asinh, atan, atan2, atanh, avg,
break, case, ceil, clamp, continue, cosh, cos, cot, csc,
default, deg2grad, deg2rad, else, equal, erfc, erf, exp,
expm1, false, floor, for, frac, grad2deg, hypot, iclamp, if,
ilike, in, inrange, in, like, log, log10, log1p, log2, logn,
mand, max, min, mod, mor, mul, nand, ncdf, nor, not,
not_equal, not, null, or, pow, rad2deg, repeat, root,
roundn, round, sec, sgn, shl, shr, sinc, sinh, sin, sqrt,
sum, swap, switch, tanh, tan, true, trunc, until, var,
while, xnor, xor, xor
(28) Every ExprTk statement is a "value returning" expression. Unlike
some languages that limit the types of expressions that can be
performed in certain situations, in ExprTk any valid expression
can be used in any "value consuming" context. Eg: