pub unsafe extern fn chesv_(uplo: *const c_char,
n: *const lapack_int,
nrhs: *const lapack_int,
a: *mut lapack_complex_float,
lda: *const lapack_int,
ipiv: *mut lapack_int,
b: *mut lapack_complex_float,
ldb: *const lapack_int,
work: *mut lapack_complex_float,
lwork: *const lapack_int,
info: *mut lapack_int)