Cannot sample enough valid points. (more)

\[0.0 \lt a \lt b + c \land 0.0 \lt b \lt a + c \land 0.0 \lt c \lt a + b\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r87396 = a;
        double r87397 = b;
        double r87398 = r87396 + r87397;
        double r87399 = c;
        double r87400 = r87398 + r87399;
        double r87401 = 2.0;
        double r87402 = r87400 / r87401;
        double r87403 = r87402 - r87396;
        double r87404 = r87402 * r87403;
        double r87405 = r87402 - r87397;
        double r87406 = r87404 * r87405;
        double r87407 = r87402 - r87399;
        double r87408 = r87406 * r87407;
        double r87409 = sqrt(r87408);
        return r87409;
}