pub unsafe extern fn LAPACKE_zptsvx(matrix_layout: c_int,
fact: c_char,
n: lapack_int,
nrhs: lapack_int,
d: *const c_double,
e: *const lapack_complex_double,
df: *mut c_double,
ef: *mut lapack_complex_double,
b: *const lapack_complex_double,
ldb: lapack_int,
x: *mut lapack_complex_double,
ldx: lapack_int,
rcond: *mut c_double,
ferr: *mut c_double,
berr: *mut c_double)
-> lapack_int