pub unsafe extern fn dtgsyl_(trans: *const c_char,
ijob: *const lapack_int,
m: *const lapack_int,
n: *const lapack_int,
a: *const c_double,
lda: *const lapack_int,
b: *const c_double,
ldb: *const lapack_int,
c: *mut c_double,
ldc: *const lapack_int,
d: *const c_double,
ldd: *const lapack_int,
e: *const c_double,
lde: *const lapack_int,
f: *mut c_double,
ldf: *const lapack_int,
scale: *mut c_double,
dif: *mut c_double,
work: *mut c_double,
lwork: *const lapack_int,
iwork: *mut lapack_int,
info: *mut lapack_int)