Cannot sample enough valid points. (more)

\[0 \lt a \lt b + c \land 0 \lt b \lt a + c \land 0 \lt c \lt a + b\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r4055393 = a;
        double r4055394 = b;
        double r4055395 = r4055393 + r4055394;
        double r4055396 = c;
        double r4055397 = r4055395 + r4055396;
        double r4055398 = 2.0;
        double r4055399 = r4055397 / r4055398;
        double r4055400 = r4055399 - r4055393;
        double r4055401 = r4055399 * r4055400;
        double r4055402 = r4055399 - r4055394;
        double r4055403 = r4055401 * r4055402;
        double r4055404 = r4055399 - r4055396;
        double r4055405 = r4055403 * r4055404;
        double r4055406 = sqrt(r4055405);
        return r4055406;
}