Cannot sample enough valid points. (more)

\[9.999999974752427078783512115478515625 \cdot 10^{-7} \le \left|pR\right| \le 100 - 10^{3} \land 100 - 10^{3} \le a \le 10^{3}\]
\[\frac{a}{{pR}^{2}} \cdot \left(\cos \left(p0 - pR \cdot t\right) - \cos p0\right)\]
\frac{a}{{pR}^{2}} \cdot \left(\cos \left(p0 - pR \cdot t\right) - \cos p0\right)
double f(double a, double pR, double p0, double t) {
        double r520377 = a;
        double r520378 = pR;
        double r520379 = 2.0;
        double r520380 = pow(r520378, r520379);
        double r520381 = r520377 / r520380;
        double r520382 = p0;
        double r520383 = t;
        double r520384 = r520378 * r520383;
        double r520385 = r520382 - r520384;
        double r520386 = cos(r520385);
        double r520387 = cos(r520382);
        double r520388 = r520386 - r520387;
        double r520389 = r520381 * r520388;
        return r520389;
}