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Tune zic.c's overflow checking

* NEWS: Mention performance improvements.
* zic.c (time_overflow): New function.
(oadd, tadd): Use it.
(tadd): Use fewer comparisons.
This commit is contained in:
Paul Eggert
2015-04-19 23:08:45 -07:00
parent da665373cb
commit f4f78dc5fe
2 changed files with 27 additions and 13 deletions

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NEWS
View File

@@ -15,6 +15,10 @@ Unreleased, experimental changes
Printing Office style. This affects only America/Adak since 1983,
as America/Honolulu was already using the new style.
Changes affecting code
zic has some minor performance improvements.
Release 2015c - 2015-04-11 08:55:55 -0700