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 r90860 = a;
        double r90861 = b;
        double r90862 = r90860 + r90861;
        double r90863 = c;
        double r90864 = r90862 + r90863;
        double r90865 = 2.0;
        double r90866 = r90864 / r90865;
        double r90867 = r90866 - r90860;
        double r90868 = r90866 * r90867;
        double r90869 = r90866 - r90861;
        double r90870 = r90868 * r90869;
        double r90871 = r90866 - r90863;
        double r90872 = r90870 * r90871;
        double r90873 = sqrt(r90872);
        return r90873;
}