math_eval

sisl.utils.math_eval(expr)

Evaluate a mathematical expression using a safe evaluation method

Parameters:

expr (str) – the string to be evaluated using math

Return type:

Any

Examples

>>> math_eval("2^6")
4
>>> math_eval("2**6")
64
>>> math_eval("1 + 2*3**(4^5) / (6 + -7)")
-5.0