pub unsafe extern fn sgbequ_(m: *const lapack_int,
n: *const lapack_int,
kl: *const lapack_int,
ku: *const lapack_int,
ab: *const c_float,
ldab: *const lapack_int,
r: *mut c_float,
c: *mut c_float,
rowcnd: *mut c_float,
colcnd: *mut c_float,
amax: *mut c_float,
info: *mut lapack_int)