Function leptonica_sys::pixTestForSimilarity

pub unsafe extern "C" fn pixTestForSimilarity(
    pix1: *mut PIX, 
    pix2: *mut PIX, 
    factor: l_int32, 
    mindiff: l_int32, 
    maxfract: l_float32, 
    maxave: l_float32, 
    psimilar: *mut l_int32, 
    details: l_int32
) -> l_ok