Cannot sample enough valid points. (more)

\[0 \lt a \lt b + c \land 0 \lt b \lt a + c \land 0 \lt c \lt a + b\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r1947155 = a;
        double r1947156 = b;
        double r1947157 = r1947155 + r1947156;
        double r1947158 = c;
        double r1947159 = r1947157 + r1947158;
        double r1947160 = 2.0;
        double r1947161 = r1947159 / r1947160;
        double r1947162 = r1947161 - r1947155;
        double r1947163 = r1947161 * r1947162;
        double r1947164 = r1947161 - r1947156;
        double r1947165 = r1947163 * r1947164;
        double r1947166 = r1947161 - r1947158;
        double r1947167 = r1947165 * r1947166;
        double r1947168 = sqrt(r1947167);
        return r1947168;
}