Cannot sample enough valid points. (more)

\[0.0 \lt a \land 0.0 \lt b \land 0.0 \lt c\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}
double f(double a, double b, double c) {
        double r14339 = a;
        double r14340 = b;
        double r14341 = r14339 + r14340;
        double r14342 = c;
        double r14343 = r14341 + r14342;
        double r14344 = 2.0;
        double r14345 = r14343 / r14344;
        double r14346 = r14345 - r14339;
        double r14347 = r14345 * r14346;
        double r14348 = r14345 - r14340;
        double r14349 = r14347 * r14348;
        double r14350 = r14345 - r14342;
        double r14351 = r14349 * r14350;
        double r14352 = sqrt(r14351);
        return r14352;
}