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 r7501437 = a;
        double r7501438 = b;
        double r7501439 = r7501437 + r7501438;
        double r7501440 = c;
        double r7501441 = r7501439 + r7501440;
        double r7501442 = 2.0;
        double r7501443 = r7501441 / r7501442;
        double r7501444 = r7501443 - r7501437;
        double r7501445 = r7501443 * r7501444;
        double r7501446 = r7501443 - r7501438;
        double r7501447 = r7501445 * r7501446;
        double r7501448 = r7501443 - r7501440;
        double r7501449 = r7501447 * r7501448;
        double r7501450 = sqrt(r7501449);
        return r7501450;
}