C++ Mathematical Expression Library

The C++ Mathematical Expression Library (ExprTk) is a simple to use, easy to integrate and extremely efficient and fast mathematical expression parsing and evaluation engine. The parsing engine supports various kinds of functional, logic processing semantics and is very easily extendible.

http://www.partow.net/programming/exprtk/index.html

Mathematical operators (+, -, *, /, %, ^)
Functions (min, max, avg, sum, abs, ceil, floor, round, roundn, exp, log, log10, logn, root, sqrt, clamp, range)
Trigonometry (sin, cos, tan, acos, asin, atan, atan2, cosh, cot, csc, sec, sinh, tanh, d2r, r2d, d2g, g2d, hyp)
Equalities, Inequalities and Assigment (=, ==, <>, !!=, , >=, :=, <-)
Boolean logic, conditional statements and while-loop construct (and, or, xor, not, nand, no

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  tanh sinh sec csc cot cosh atan2 atan asin acos tan cos sin folding constant derivative differentiation library arash function evaluator parser math c++ mathematical compiler trigonometry symbol partow module integration optimization boolean logic conditional statements min max avg sum abs ceil floor round roundn exp log log10 logn root sqrt clamp range and or xor not nand nor if-then-else while

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