pub unsafe extern "C" fn cblas_zcopy(
n: c_int,
x: *const c_double_complex,
incx: c_int,
y: *mut c_double_complex,
incy: c_int,
)
pub unsafe extern "C" fn cblas_zcopy(
n: c_int,
x: *const c_double_complex,
incx: c_int,
y: *mut c_double_complex,
incy: c_int,
)