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 r47831 = a;
        double r47832 = b;
        double r47833 = r47831 + r47832;
        double r47834 = c;
        double r47835 = r47833 + r47834;
        double r47836 = 2.0;
        double r47837 = r47835 / r47836;
        double r47838 = r47837 - r47831;
        double r47839 = r47837 * r47838;
        double r47840 = r47837 - r47832;
        double r47841 = r47839 * r47840;
        double r47842 = r47837 - r47834;
        double r47843 = r47841 * r47842;
        double r47844 = sqrt(r47843);
        return r47844;
}