solveCubic function
SolveCubic finds the real roots of a cubic equation.
For further details, please see: https://docs.opencv.org/master/d2/de8/group__core__array.html#ga1c3b0b925b085b6e96931ee309e6a1da
Implementation
(int rval, Mat roots) solveCubic(InputArray coeffs, {OutputArray? roots}) {
roots ??= Mat.empty();
final p = calloc<ffi.Int>();
cvRun(() => ccore.cv_solveCubic(coeffs.ref, roots!.ref, p, ffi.nullptr));
final rval = p.value;
return (rval, roots);
}