Changeset: a78bffe61d15 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=a78bffe61d15
Modified Files:
monetdb5/modules/atoms/mtime.c
Branch: default
Log Message:
Fix dayofweek calculation for negative dates.
diffs (17 lines):
diff --git a/monetdb5/modules/atoms/mtime.c b/monetdb5/modules/atoms/mtime.c
--- a/monetdb5/modules/atoms/mtime.c
+++ b/monetdb5/modules/atoms/mtime.c
@@ -427,7 +427,12 @@ parse_substr(int *ret, str s, int min, s
return j;
}
-#define date_dayofweek(v) (((v) - 1) % 7 + 1)
+static int
+date_dayofweek(date v)
+{
+ v %= 7;
+ return v <= 0 ? v + 7 : v;
+}
#define SKIP_DAYS(d,w,i) d += i; w = (w + i)%7; if (w <= 0) w += 7;
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