dptcon(3) on Linux
The text 005632053728, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
compute the reciprocal of the condition number (in the 1-norm) of a real symmetric positive definite tridiagonal matrix using the factorization A = L*D*L**T or A = U**T*D*U computed by DPTTRF