void search_affine_transform(float u1x, float u1y, float u2x, float u2y, float u3x, float u3y, float t1x, float t1y, float t2x, float t2y, float t3x, float t3y, const Matrix1D< double > &ux, const Matrix1D< double > &uy, size_t Xdim, size_t Ydim, struct Delaunay_T &delaunay_tilt, int &bestInliers, Matrix2D< double > &A_coarse, Matrix1D< double > &T_coarse, bool contingency, int thrs)