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 r77753 = a;
        double r77754 = b;
        double r77755 = r77753 + r77754;
        double r77756 = c;
        double r77757 = r77755 + r77756;
        double r77758 = 2.0;
        double r77759 = r77757 / r77758;
        double r77760 = r77759 - r77753;
        double r77761 = r77759 * r77760;
        double r77762 = r77759 - r77754;
        double r77763 = r77761 * r77762;
        double r77764 = r77759 - r77756;
        double r77765 = r77763 * r77764;
        double r77766 = sqrt(r77765);
        return r77766;
}