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 r120760 = a;
        double r120761 = b;
        double r120762 = r120760 + r120761;
        double r120763 = c;
        double r120764 = r120762 + r120763;
        double r120765 = 2.0;
        double r120766 = r120764 / r120765;
        double r120767 = r120766 - r120760;
        double r120768 = r120766 * r120767;
        double r120769 = r120766 - r120761;
        double r120770 = r120768 * r120769;
        double r120771 = r120766 - r120763;
        double r120772 = r120770 * r120771;
        double r120773 = sqrt(r120772);
        return r120773;
}