pub unsafe extern "C" fn cblas_dsymv(
layout: CBLAS_LAYOUT,
uplo: CBLAS_UPLO,
n: c_int,
alpha: c_double,
a: *const c_double,
lda: c_int,
x: *const c_double,
incx: c_int,
beta: c_double,
y: *mut c_double,
incy: c_int,
)