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driver.inl
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			#include "driver.hpp" // syntaxic coloration only

			namespace specmicp {
			namespace dfpmsolver {


			template <class Program, class Options, class Performance>
			scalar_t Driver<Program, Options, Performance>::is_step_too_long(Vector& update)
			{
			double steplength = (scaling().asDiagonal()*update).norm();
			if (steplength > get_options().maximum_step_length)
			{
			get_perfs().maximum_step_taken = true;
			update = (get_options().maximum_step_length / steplength) * update;
			steplength = get_options().maximum_step_length;
			}
			return steplength;
			}


			} // end namespace dfpmsolver
			} // end namespace specmicp