pub unsafe extern fn sgbbrd_(vect: *const c_char,
m: *const lapack_int,
n: *const lapack_int,
ncc: *const lapack_int,
kl: *const lapack_int,
ku: *const lapack_int,
ab: *mut c_float,
ldab: *const lapack_int,
d: *mut c_float,
e: *mut c_float,
q: *mut c_float,
ldq: *const lapack_int,
pt: *mut c_float,
ldpt: *const lapack_int,
c: *mut c_float,
ldc: *const lapack_int,
work: *mut c_float,
info: *mut lapack_int)