Function gsl_sys::cblas_dsyr2

pub unsafe extern "C" fn cblas_dsyr2(
    order: CBLAS_ORDER, 
    Uplo: CBLAS_UPLO, 
    N: c_int, 
    alpha: f64, 
    X: *const f64, 
    incX: c_int, 
    Y: *const f64, 
    incY: c_int, 
    A: *mut f64, 
    lda: c_int
)