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 r8062 = a;
        double r8063 = b;
        double r8064 = r8062 + r8063;
        double r8065 = c;
        double r8066 = r8064 + r8065;
        double r8067 = 2.0;
        double r8068 = r8066 / r8067;
        double r8069 = r8068 - r8062;
        double r8070 = r8068 * r8069;
        double r8071 = r8068 - r8063;
        double r8072 = r8070 * r8071;
        double r8073 = r8068 - r8065;
        double r8074 = r8072 * r8073;
        double r8075 = sqrt(r8074);
        return r8075;
}