pub unsafe extern fn dptsvx_(fact: *const c_char,
n: *const lapack_int,
nrhs: *const lapack_int,
d: *const c_double,
e: *const c_double,
df: *mut c_double,
ef: *mut c_double,
b: *const c_double,
ldb: *const lapack_int,
x: *mut c_double,
ldx: *const lapack_int,
rcond: *mut c_double,
ferr: *mut c_double,
berr: *mut c_double,
work: *mut c_double,
info: *mut lapack_int)