annotate constructors.lisp @ 17:930e9880ed3f

Pitch methods and added constructors.lisp file

darcs-hash:20061212144422-f76cc-194cd746d5d7eaf40f24ca5788093b25066de77c.gz

(cl:in-package #:amuse)

;; Time classes

(defun make-moment (time)
  (make-instance 'moment :time time))

;; N.B. period should never be constructed directly - it's either
;; floating or anchored or some other subclass.

(defun make-floating-period (interval)
  (make-instance 'floating-period :interval interval))

(defun make-anchored-period (onset interval)
  (make-instance 'anchored-period
		 :time onset
		 :interval interval))

;; Pitch classes (no, not that sort of pitch class)

(defun make-chromatic-pitch (pitch-number)
  (make-instance 'chromatic-pitch :number pitch-number))

(defun make-diatonic-pitch (name accidental octave)
  (make-instance 'diatonic-pitch
		 :name name
		 :accidental accidental
		 :octave octave))

(defun make-pitch-interval (span)
  (make-instance 'pitch-interval :span span))