| int reducedQuarticRoots(const double t4, const double t3, const double t2, const double t1, | |
| const double t0, const bool oneHint, double s[4]); | |
| int quarticRootsReal(int firstCubicRoot, const double A, const double B, const double C, | |
| const double D, const double E, double s[4]); |