Cannot sample enough valid points. (more)

\[0 \lt a \land 0 \lt b \land 0 \lt c\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r8052 = a;
        double r8053 = b;
        double r8054 = r8052 + r8053;
        double r8055 = c;
        double r8056 = r8054 + r8055;
        double r8057 = 2.0;
        double r8058 = r8056 / r8057;
        double r8059 = r8058 - r8052;
        double r8060 = r8058 * r8059;
        double r8061 = r8058 - r8053;
        double r8062 = r8060 * r8061;
        double r8063 = r8058 - r8055;
        double r8064 = r8062 * r8063;
        double r8065 = sqrt(r8064);
        return r8065;
}