j@253: (in-package #:amuse-charm)
j@253: 
j@253: ;;;=====================================================================
j@253: ;;; Helpful functions
j@253: ;;;=====================================================================
j@253: 
j@253: (defun find-first-onset (events)
j@253:   (reduce #'min events :key #'timepoint))
j@253: 
j@253: (defun find-last-offset (events)
j@253:   (reduce #'max events :key #'(lambda (event)
j@253: 				(timepoint (cut-off event)))))
j@253: 
j@253: (defgeneric object->db-string (o))
j@253: 
j@253: (defmethod object->db-string ((o charm-property-list))
j@253:   (format nil "~S" (%list-slot-sequence-data o)))
j@253: 
j@253: (defmethod object->db-string ((o event-identifier))
j@253:   "This was an earlier approach, that was probably bad."
j@253:   "e")
j@253: 
j@253: (defmethod object->db-string ((o constituent-identifier))
j@253:   "This was an earlier approach, that was probably bad."
j@253:   "c")
j@253: 
j@253: (defun recompute-constituent-timepoint (constituent)
j@253:   (setf (timepoint constituent)
j@253: 	(reduce #'min constituent :key 'timepoint)))
j@253: 
j@253: (defun recompute-constituent-duration (constituent)
j@253:   (setf (duration constituent)
j@253: 	(reduce #'max constituent :key 'timepoint)))