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author | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-05-24 22:28:13 +0200 |
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committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-05-24 22:28:13 +0200 |
commit | ac374b555accaf7a83424c241f38f997dc6a2068 (patch) | |
tree | d598692548f1daf186623bed8db62b7f77312673 /module/datetime/util.scm | |
parent | Minor change. (diff) | |
download | calp-ac374b555accaf7a83424c241f38f997dc6a2068.tar.gz calp-ac374b555accaf7a83424c241f38f997dc6a2068.tar.xz |
Timespan-overlaps? single moment and tests.
Diffstat (limited to 'module/datetime/util.scm')
-rw-r--r-- | module/datetime/util.scm | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/module/datetime/util.scm b/module/datetime/util.scm index 1bbde87d..6b0a8411 100644 --- a/module/datetime/util.scm +++ b/module/datetime/util.scm @@ -211,6 +211,9 @@ ;; | ||s2| : |s1|| | : | || | : | || | : | || | : ;; | | : | | : | || | : | || | : | || | : |s2| ;; | | : | | : | | : | | : : | | +;; +;; Infinitely short ---+|s2| : |s1|+--- : two instants don't overlap +;; events, overlap s1 : s2 : ;; @end verbatim ;; ;; E is covered by both case A and B. @@ -226,11 +229,11 @@ (date/-time<? s2-begin s1-end)) ;; C - (and (date/-time<? s1-begin s2-begin) + (and (date/-time<=? s1-begin s2-begin) (date/-time<? s2-end s1-end)) ;; D - (and (date/-time<? s2-begin s1-begin) + (and (date/-time<=? s2-begin s1-begin) (date/-time<? s1-end s2-end)))) (define-public (add-day d) |