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 r117415 = a;
        double r117416 = b;
        double r117417 = r117415 + r117416;
        double r117418 = c;
        double r117419 = r117417 + r117418;
        double r117420 = 2.0;
        double r117421 = r117419 / r117420;
        double r117422 = r117421 - r117415;
        double r117423 = r117421 * r117422;
        double r117424 = r117421 - r117416;
        double r117425 = r117423 * r117424;
        double r117426 = r117421 - r117418;
        double r117427 = r117425 * r117426;
        double r117428 = sqrt(r117427);
        return r117428;
}