diff options
| -rw-r--r-- | gnosis-algorithm.el | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/gnosis-algorithm.el b/gnosis-algorithm.el index 76b1360..ea48750 100644 --- a/gnosis-algorithm.el +++ b/gnosis-algorithm.el @@ -195,39 +195,40 @@ LAST-INTERVAL: Number of days since last review C-FAILS: Total consecutive failed reviews. -EF: Easiness factor +GNOSIS-SYNOLON: Current gnosis-synolon (gnosis totalis). SUCCESS: non-nil when review was successful. SUCCESSFUL-REVIEWS: Number of successful reviews. -FAILURE-FACTOR: Factor to multiply last interval by if review was unsuccessful. +AMNESIA: 'Forget value', used to calculate next interval upon failed +review. -INITIAL-INTERVAL: List of initial intervals for initial successful -reviews. Will be used to determine the next interval for the first 2 -successful reviews. Until successfully completing INITIAL-INTERVAL reviews, for every failed attempt next interval will be set to 0. +PROTO: List of proto intervals, for successful reviews. +Until successfully completing proto reviews, for every failed attempt +the next interval will be set to 0. -THRESHOLD: Upon having C-FAILS >= threshold, set next interval to 0." - (cl-assert (< gnosis-algorithm-ff 1) "Value of `gnosis-algorithm-ff' must be lower than 1") +LETHE: Upon having C-FAILS >= lethe, set next interval to 0." + (cl-assert (booleanp success) nil "Success value must be a boolean") + (cl-assert (integerp successful-reviews) nil "Successful-reviews must be an integer") + (cl-assert (and (floatp amnesia) (<= amnesia 1)) nil "Amnesia must be a float <=1") + (cl-assert (< amnesia 1) nil "Value of amnesia must be lower than 1") + (cl-assert (and (integerp lethe) (>= lethe 1)) nil "Value of lethe must be an integer >= 1") ;; This should only occur in testing env or when the user has made breaking changes. (let* ((last-interval (if (<= last-interval 0) 1 last-interval)) ;; If last-interval is 0, use 1 instead. - (interval (cond ((and (= successful-reviews 0) success) - (car initial-interval)) - ((and (= successful-reviews 1) success) - (cadr initial-interval)) - ;; If it's still on initial stage, review the - ;; same day - ((and (or (< successful-reviews (length initial-interval)) - ;; reset threshold - (and threshold (>= c-fails threshold))) + (interval (cond ((and (< successful-reviews (length proto)) + success) + (nth successful-reviews proto)) + ;; Lethe event, reset interval. + ((and (>= c-fails lethe) (not success)) 0) - (t (let* ((success-interval (* ef last-interval)) - (failure-interval (* last-interval failure-factor))) + (t (let* ((success-interval (* gnosis-synolon last-interval)) + (failure-interval (* amnesia last-interval))) (if success success-interval ;; Make sure failure interval is never - ;; higher than success - (min success-interval failure-interval))))))) + ;; higher than success and at least 0 + (max (min success-interval failure-interval) 0))))))) (gnosis-algorithm-date (round interval)))) |