C Math Evaluation Library: TinyExpr
Summary
TinyExpr is a very small parser and evaluation library for evaluating math expressions from C. It's open-source, free, and self-contained in a single C code file and header file. TinyExpr is extremely easy to use.
Code Sample
#include "tinyexpr.h"
#include <stdio.h>
int main(int argc, char *argv[])
{
const char *expression = "sqrt(3^2+4^2)";
printf("Result: %f\n", te_interp(expression, 0));
return 0;
}Features
- ANSI C with no dependencies.
- Contained in a single source code and header file.
- Simple, fast, thread-safe, easily extendible.
- Implements standard operator precedence and standard math functions.
- Includes examples and test suite.
- Released under the zlib license - free for nearly any use.