/**

@defgroup stpr Stepper Optimizer

\brief The Stepper Optimizer

This library provides mechanisms for geometry optimization as well
as some derivatives, such as numerical gradients.

@defgroup stpr_api API
   @ingroup stpr
   Stepper routines for external code to call
@defgroup stpr_priv Private routines
   @ingroup stpr
   Stepper routines for internal use only

*/
