Cannot sample enough valid points. (more)

\[\left(-\left(\left(az - dz\right) - \frac{vz}{vx} \cdot \left(ax - dx\right)\right)\right) - \left(bz - az\right) \cdot f\]
\left(-\left(\left(az - dz\right) - \frac{vz}{vx} \cdot \left(ax - dx\right)\right)\right) - \left(bz - az\right) \cdot f
double f(double az, double dz, double vz, double vx, double ax, double dx, double bz, double f) {
        double r2437431 = az;
        double r2437432 = dz;
        double r2437433 = r2437431 - r2437432;
        double r2437434 = vz;
        double r2437435 = vx;
        double r2437436 = r2437434 / r2437435;
        double r2437437 = ax;
        double r2437438 = dx;
        double r2437439 = r2437437 - r2437438;
        double r2437440 = r2437436 * r2437439;
        double r2437441 = r2437433 - r2437440;
        double r2437442 = -r2437441;
        double r2437443 = bz;
        double r2437444 = r2437443 - r2437431;
        double r2437445 = f;
        double r2437446 = r2437444 * r2437445;
        double r2437447 = r2437442 - r2437446;
        return r2437447;
}