prj_pt_init_from_coords
ATTRIBUTE_WARN_UNUSED_RET int prj_pt_init_from_coords(prj_pt_t in,
ret = prj_pt_init_from_coords(&(out_params->ec_gen),
ret = prj_pt_init_from_coords(out_point, &(curve_params->ec_curve), &x, &y,
ret = prj_pt_init_from_coords(Y1, &(params->ec_curve), &(uG.Z), &(uG.X), &(Y2->Z)); EG(ret, err);
ret = prj_pt_init_from_coords(Y2, &(params->ec_curve), &(uG.Z), &(uG.Y), &(Y1->Z)); EG(ret, err);