34.2.23 Printing options (PRINT)

PRINT,code=level,...;

Enables printing options. Usually level should be omitted or 0; values of $level>0$ produce output useful only for debugging. code can be

HESSIAN

prints the updated hessian matrix. Note that its diagonal elements are printed anyway.

HISTORY

prints the complete set of previous geometries, gradients and energies.

GRADIENT

prints extended gradient information

OPT

prints detailed information about the optimization process (mainly for debugging).

Several print options can be specified with one PRINT command.