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 r8043 = a;
        double r8044 = b;
        double r8045 = r8043 + r8044;
        double r8046 = c;
        double r8047 = r8045 + r8046;
        double r8048 = 2.0;
        double r8049 = r8047 / r8048;
        double r8050 = r8049 - r8043;
        double r8051 = r8049 * r8050;
        double r8052 = r8049 - r8044;
        double r8053 = r8051 * r8052;
        double r8054 = r8049 - r8046;
        double r8055 = r8053 * r8054;
        double r8056 = sqrt(r8055);
        return r8056;
}