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[report-utilities] (gnc:account-get-balances-at-dates) documentation

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the algorithm assumes dates-list is sorted chronologically. enforce
it, and document.
This commit is contained in:
Christopher Lam 2019-02-06 21:41:20 +08:00
parent b1cd7393b6
commit 60558f6ad1
1 changed files with 2 additions and 2 deletions
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gnucash/report/report-system/report-utilities.scm
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@ -431,7 +431,7 @@ flawed. see report-utilities.scm. please update reports.")
;; this function will scan through the account splitlist, building
;; a list of balances along the way at dates specified in dates-list.
;; in: account
;; dates-list (list of time64)
;; dates-list (list of time64) - NOTE: IT WILL BE SORTED
;; split->amount - an unary lambda. calling (split->amount split)
;; returns a number, or #f which effectively skips the split.
;; out: (list bal0 bal1 ...), each entry is a gnc-monetary object
@ -445,7 +445,7 @@ flawed. see report-utilities.scm. please update reports.")
(define (amount->monetary bal)
(gnc:make-gnc-monetary (xaccAccountGetCommodity account) bal))
(let loop ((splits (xaccAccountGetSplitList account))
(dates-list dates-list)
(dates-list (stable-sort! dates-list <))
(currentbal 0)
(lastbal 0)
(balancelist '()))