code: public static int cusolverDnSsytrf_bufferSize(
          cusolverDnHandle handle, 
          int n, 
          Pointer A, 
          int lda, 
          int[] lwork)
      {
          return checkResult(cusolverDnSsytrf_bufferSizeNative(handle, n, A, lda, lwork));
      }
docs: L*D*L**T,U*D*U**T factorization