C++ Math Expression Parser

Features

• Mathematical operators (+, -, *, /, %, ^)
• Functions (min, max, avg, sum, abs, ceil, floor, round, roundn, exp, log, log10, logn, root, sqrt, clamp, inrange)
• Trigonometry (sin, cos, tan, acos, asin, atan, atan2, cosh, cot, csc, sec, sinh, tanh, d2r, r2d, d2g, g2d, hyp)
• Equalities, Inequalities (=, ==, <>, !=, <, <=, >, >=)
• Assignment (:=, +=, -=, *=, /=)
• Boolean logic (and, nand, nor, not, or, xor, xnor, mand, mor)
• Control Structures (if-then-else, ternary conditional, switch case)
• Loop Structures (while loop, for loop, repeat until loop, break, continue)
• Optimization of expressions (constant folding, strength reduction, operator coupling, special functions and dead code elimination)
• String operations (equalities, inequalities, boolean logic, concatenation and ranges)
• Expression local variables, vectors and strings
• User defined variables, vectors, strings, constants and function support
• Multivariate function composition
• Multiple sequence point and sub expression support
• Numeric integration and differentiation
• Vector Processing: BLAS-L1 (axpy, axpby, axpb), all/any-true/false, count, rotate-left/right, shift-left/right, sort, nth_element, iota, sum, kahan-sum, dot-product, copy
• File-IO package (routines include: open, close, read, write, getline, support for binary and text modes)
• Support for various numeric types (float, double, long double, MPFR/GMP)
• Single header implementation, no building required. No external dependencies.
• Completely portable (Compiled and executed upon: x86 x86-64, ARMv7/8, POWER6/7 and AVR32)
• Compatible C++ Compilers: GNU Compiler Collection (3.3+), Intel® C++ Compiler (8.x+), Clang/LLVM (1.1+), PGI C++ (10.x+), Microsoft Visual Studio C++ Compiler (8.1+), IBM XL C/C++ (9.x+), C++ Builder (XE4+)

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