Cannot sample enough valid points. (more)

\[0.0 \lt a \land 0.0 \lt b \land 0.0 \lt c\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r12781 = a;
        double r12782 = b;
        double r12783 = r12781 + r12782;
        double r12784 = c;
        double r12785 = r12783 + r12784;
        double r12786 = 2.0;
        double r12787 = r12785 / r12786;
        double r12788 = r12787 - r12781;
        double r12789 = r12787 * r12788;
        double r12790 = r12787 - r12782;
        double r12791 = r12789 * r12790;
        double r12792 = r12787 - r12784;
        double r12793 = r12791 * r12792;
        double r12794 = sqrt(r12793);
        return r12794;
}