pub unsafe extern "C" fn libmv_samplePlanarPatchFloat(
image: *const f32,
width: c_int,
height: c_int,
channels: c_int,
xs: *const f64,
ys: *const f64,
num_samples_x: c_int,
num_samples_y: c_int,
mask: *const f32,
patch: *mut f32,
warped_position_x: *mut f64,
warped_position_y: *mut f64,
)