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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. ... [More] 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 [Less]

Have you ever wanted to call exit() with an error condition, but weren't sure what exit status to use? No? Maybe it's just me, then. Anyway, I was reading manpages late one evening before retiring to bed in my palatial estate in rural Oregon, and I stumbled across sysexits(3). Much to my chagrin, I ... [More] couldn't find a 'sysexits' for Ruby! Well, for the other 2 people that actually care about style(9) as it applies to Ruby code, now there is one! [Less]

Wraps the `RUBY_VERSION` constant and allows version number matching.