Cannot sample enough valid points. (more)

\[{2}^{x} - {x}^{x}\]
{2}^{x} - {x}^{x}
double f(double x) {
        double r12335525 = 2.0;
        double r12335526 = x;
        double r12335527 = pow(r12335525, r12335526);
        double r12335528 = pow(r12335526, r12335526);
        double r12335529 = r12335527 - r12335528;
        return r12335529;
}