Function solveCubic

MyGUIEngine/src/msdfgen/core/equation-solver.cpp:63–70

}

int solveCubic(double x[3], double a, double b, double c, double d) {
    if (a != 0) {
        double bn = b/a;
        if (fabs(bn) < 1e6) // Above this ratio, the numerical error gets larger than if we treated a as zero
            return solveCubicNormed(x, bn, c/a, d/a);
    }
    return solveQuadratic(x, b, c, d);
}

}