pub unsafe extern "C" fn sgbsv_(
n: *const lapack_int,
kl: *const lapack_int,
ku: *const lapack_int,
nrhs: *const lapack_int,
ab: *mut c_float,
ldab: *const lapack_int,
ipiv: *mut lapack_int,
b: *mut c_float,
ldb: *const lapack_int,
info: *mut lapack_int,
)