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[Pspp-cvs] pspp doc/expressions.texi src/language/expressi...
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From: |
Ben Pfaff |
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Subject: |
[Pspp-cvs] pspp doc/expressions.texi src/language/expressi... |
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Date: |
Sat, 16 Dec 2006 20:22:14 +0000 |
CVSROOT: /cvsroot/pspp
Module name: pspp
Changes by: Ben Pfaff <blp> 06/12/16 20:22:14
Modified files:
doc : expressions.texi
src/language/expressions: ChangeLog helpers.c operations.def
tests : ChangeLog
tests/expressions: expressions.sh
Log message:
Reverse order of arguments to DATEDIFF, for compatibility. Thanks to
Daniel Williams <address@hidden> for reporting this
bug.
CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/pspp/doc/expressions.texi?cvsroot=pspp&r1=1.8&r2=1.9
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/expressions/ChangeLog?cvsroot=pspp&r1=1.8&r2=1.9
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/expressions/helpers.c?cvsroot=pspp&r1=1.8&r2=1.9
http://cvs.savannah.gnu.org/viewcvs/pspp/src/language/expressions/operations.def?cvsroot=pspp&r1=1.14&r2=1.15
http://cvs.savannah.gnu.org/viewcvs/pspp/tests/ChangeLog?cvsroot=pspp&r1=1.71&r2=1.72
http://cvs.savannah.gnu.org/viewcvs/pspp/tests/expressions/expressions.sh?cvsroot=pspp&r1=1.11&r2=1.12
Patches:
Index: doc/expressions.texi
===================================================================
RCS file: /cvsroot/pspp/pspp/doc/expressions.texi,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -b -r1.8 -r1.9
--- doc/expressions.texi 14 Dec 2006 03:36:00 -0000 1.8
+++ doc/expressions.texi 16 Dec 2006 20:22:14 -0000 1.9
@@ -1027,7 +1027,7 @@
PSPP supplies a few functions for date arithmetic:
address@hidden {Function} {} DATEDIFF (@var{date1}, @var{date2}, @var{unit})
address@hidden {Function} {} DATEDIFF (@var{date2}, @var{date1}, @var{unit})
Returns the span of time from @var{date1} to @var{date2} in terms of
@var{unit}, which must be a quoted string, one of @samp{years},
@samp{quarters}, @samp{months}, @samp{weeks}, @samp{days},
Index: src/language/expressions/ChangeLog
===================================================================
RCS file: /cvsroot/pspp/pspp/src/language/expressions/ChangeLog,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -b -r1.8 -r1.9
--- src/language/expressions/ChangeLog 14 Dec 2006 03:36:00 -0000 1.8
+++ src/language/expressions/ChangeLog 16 Dec 2006 20:22:14 -0000 1.9
@@ -1,4 +1,8 @@
-Wed Dec 13 19:33:52 2006 Ben Pfaff <address@hidden>
+Sat Dec 16 12:20:14 2006 Ben Pfaff <address@hidden>
+
+ * operations.def: Reverse order of arguments to DATEDIFF, for
+ compatibility. Thanks to Daniel Williams
+ <address@hidden> for reporting this bug.
Wed Dec 13 19:30:26 2006 Ben Pfaff <address@hidden>
Index: src/language/expressions/helpers.c
===================================================================
RCS file: /cvsroot/pspp/pspp/src/language/expressions/helpers.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -b -r1.8 -r1.9
--- src/language/expressions/helpers.c 14 Dec 2006 03:36:00 -0000 1.8
+++ src/language/expressions/helpers.c 16 Dec 2006 20:22:14 -0000 1.9
@@ -261,7 +261,7 @@
}
}
-/* Returns the span from DATE to DATE2 in terms of UNIT_NAME. */
+/* Returns the span from DATE1 to DATE2 in terms of UNIT_NAME. */
double
expr_date_difference (double date1, double date2, struct substring unit_name)
{
Index: src/language/expressions/operations.def
===================================================================
RCS file: /cvsroot/pspp/pspp/src/language/expressions/operations.def,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -b -r1.14 -r1.15
--- src/language/expressions/operations.def 15 Dec 2006 00:16:02 -0000
1.14
+++ src/language/expressions/operations.def 16 Dec 2006 20:22:14 -0000
1.15
@@ -318,7 +318,7 @@
function XDATE.YEAR (date >= DAY_S) = calendar_offset_to_year (date / DAY_S);
// Date arithmetic functions.
-no_abbrev function DATEDIFF (date1 >= DAY_S, date2 >= DAY_S, string unit)
+no_abbrev function DATEDIFF (date2 >= DAY_S, date1 >= DAY_S, string unit)
= expr_date_difference (date1, date2, unit);
no_abbrev function DATESUM (date, quantity, string unit)
= expr_date_sum (date, quantity, unit, ss_cstr ("closest"));
Index: tests/ChangeLog
===================================================================
RCS file: /cvsroot/pspp/pspp/tests/ChangeLog,v
retrieving revision 1.71
retrieving revision 1.72
diff -u -b -r1.71 -r1.72
--- tests/ChangeLog 14 Dec 2006 03:36:00 -0000 1.71
+++ tests/ChangeLog 16 Dec 2006 20:22:14 -0000 1.72
@@ -1,3 +1,8 @@
+Sat Dec 16 12:20:58 2006 Ben Pfaff <address@hidden>
+
+ * expressions/expressions.sh: Fix DATEDIFF function tests to
+ correspond with change to DATEDIFF.
+
Wed Dec 13 19:34:29 2006 Ben Pfaff <address@hidden>
* expressions/expressions.sh: Test DATEDIFF, DATESUM functions.
Index: tests/expressions/expressions.sh
===================================================================
RCS file: /cvsroot/pspp/pspp/tests/expressions/expressions.sh,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -b -r1.11 -r1.12
--- tests/expressions/expressions.sh 14 Dec 2006 03:36:00 -0000 1.11
+++ tests/expressions/expressions.sh 16 Dec 2006 20:22:14 -0000 1.12
@@ -1261,189 +1261,189 @@
xdate.year(date.mdy(11,10,2038) + time.hms(22,30,4)) => 2038.00
xdate.year(date.mdy(7,18,2094) + time.hms(1,56,51)) => 2094.00
-datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'years') => 32.00
-datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'years') => 36.00
-datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'years') => 51.00
-datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'years') => 51.00
-datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'years') => 19.00
-datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'years') => 64.00
-datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'years') => 26.00
-datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'years') => 12.00
-datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'years') => 1.00
+datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'years') => -32.00
+datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'years') => -36.00
+datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'years') => -51.00
+datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'years') => -51.00
+datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'years') => -19.00
+datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'years') => -64.00
+datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'years') => -26.00
+datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'years') => -12.00
+datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'years') => -1.00
datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'years') => 0.00
-datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'years') => 48.00
-datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'years') => 3.00
-datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'years') => 54.00
-datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'years') => 1.00
+datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'years') => -48.00
+datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'years') => -3.00
+datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'years') => -54.00
+datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'years') => -1.00
datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'years') => 0.00
-datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'years') => 48.00
-datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'years') => 3.00
-datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'years') => 42.00
-datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'years') => 55.00
-datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'years') => 3.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'years') => 4.00
-datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'years') => 2.00
-
-datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'quarters') => 128.00
-datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'quarters') => 144.00
-datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'quarters') => 207.00
-datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'quarters') => 204.00
-datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'quarters') => 78.00
-datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'quarters') => 256.00
-datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'quarters') => 105.00
-datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'quarters') => 48.00
-datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'quarters') => 6.00
-datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'quarters') => 1.00
-datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'quarters') => 193.00
-datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'quarters') => 15.00
-datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'quarters') => 217.00
-datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'quarters') => 6.00
-datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'quarters') => 1.00
-datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'quarters') => 193.00
-datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'quarters') => 15.00
-datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'quarters') => 170.00
-datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'quarters') => 222.00
-datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'quarters') => 15.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'quarters') => 16.00
-datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'quarters') => 11.00
-
-datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'months') => 384.00
-datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'months') => 432.00
-datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'months') => 622.00
-datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'months') => 613.00
-datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'months') => 235.00
-datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'months') => 768.00
-datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'months') => 316.00
-datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'months') => 145.00
-datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'months') => 18.00
-datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'months') => 5.00
-datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'months') => 581.00
-datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'months') => 47.00
-datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'months') => 652.00
-datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'months') => 18.00
-datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'months') => 5.00
-datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'months') => 581.00
-datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'months') => 47.00
-datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'months') => 512.00
-datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'months') => 668.00
-datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'months') => 47.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'months') => 48.00
-datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'months') => 35.00
-
-datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'weeks') => 1672.00
-datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'weeks') => 1881.00
-datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'weeks') => 2708.00
-datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'weeks') => 2667.00
-datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'weeks') => 1025.00
-datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'weeks') => 3342.00
-datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'weeks') => 1375.00
-datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'weeks') => 631.00
-datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'weeks') => 81.00
-datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'weeks') => 24.00
-datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'weeks') => 2527.00
-datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'weeks') => 205.00
-datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'weeks') => 2838.00
-datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'weeks') => 81.00
-datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'weeks') => 24.00
-datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'weeks') => 2527.00
-datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'weeks') => 205.00
-datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'weeks') => 2228.00
-datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'weeks') => 2905.00
-datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'weeks') => 208.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'weeks') => 208.00
-datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'weeks') => 156.00
-
-datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'days') => 11708.00
-datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'days') => 13172.00
-datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'days') => 18958.00
-datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'days') => 18670.00
-datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'days') => 7177.00
-datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'days') => 23398.00
-datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'days') => 9625.00
-datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'days') => 4418.00
-datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'days') => 567.00
-datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'days') => 171.00
-datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'days') => 17694.00
-datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'days') => 1440.00
-datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'days') => 19872.00
-datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'days') => 567.00
-datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'days') => 171.00
-datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'days') => 17694.00
-datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'days') => 1440.00
-datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'days') => 15599.00
-datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'days') => 20339.00
-datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'days') => 1460.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'days') => 1461.00
-datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'days') => 1094.00
-
-datediff(date.mdy(6,30,1680), date.mdy(6,10,1648), 'years') => -32.00
-datediff(date.mdy(7,24,1716), date.mdy(6,30,1680), 'years') => -36.00
-datediff(date.mdy(6,19,1768), date.mdy(7,24,1716), 'years') => -51.00
-datediff(date.mdy(8,2,1819), date.mdy(6,19,1768), 'years') => -51.00
-datediff(date.mdy(3,27,1839), date.mdy(8,2,1819), 'years') => -19.00
-datediff(date.mdy(4,19,1903), date.mdy(3,27,1839), 'years') => -64.00
-datediff(date.mdy(8,25,1929), date.mdy(4,19,1903), 'years') => -26.00
-datediff(date.mdy(9,29,1941), date.mdy(8,25,1929), 'years') => -12.00
-datediff(date.mdy(4,19,1943), date.mdy(9,29,1941), 'years') => -1.00
+datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'years') => -48.00
+datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'years') => -3.00
+datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'years') => -42.00
+datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'years') => -55.00
+datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'years') => -3.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'years') => -4.00
+datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'years') => -2.00
+
+datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'quarters') => -128.00
+datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'quarters') => -144.00
+datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'quarters') => -207.00
+datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'quarters') => -204.00
+datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'quarters') => -78.00
+datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'quarters') => -256.00
+datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'quarters') => -105.00
+datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'quarters') => -48.00
+datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'quarters') => -6.00
+datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'quarters') => -1.00
+datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'quarters') => -193.00
+datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'quarters') => -15.00
+datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'quarters') => -217.00
+datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'quarters') => -6.00
+datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'quarters') => -1.00
+datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'quarters') => -193.00
+datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'quarters') => -15.00
+datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'quarters') => -170.00
+datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'quarters') => -222.00
+datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'quarters') => -15.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'quarters') => -16.00
+datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'quarters') => -11.00
+
+datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'months') => -384.00
+datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'months') => -432.00
+datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'months') => -622.00
+datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'months') => -613.00
+datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'months') => -235.00
+datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'months') => -768.00
+datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'months') => -316.00
+datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'months') => -145.00
+datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'months') => -18.00
+datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'months') => -5.00
+datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'months') => -581.00
+datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'months') => -47.00
+datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'months') => -652.00
+datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'months') => -18.00
+datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'months') => -5.00
+datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'months') => -581.00
+datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'months') => -47.00
+datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'months') => -512.00
+datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'months') => -668.00
+datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'months') => -47.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'months') => -48.00
+datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'months') => -35.00
+
+datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'weeks') => -1672.00
+datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'weeks') => -1881.00
+datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'weeks') => -2708.00
+datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'weeks') => -2667.00
+datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'weeks') => -1025.00
+datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'weeks') => -3342.00
+datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'weeks') => -1375.00
+datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'weeks') => -631.00
+datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'weeks') => -81.00
+datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'weeks') => -24.00
+datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'weeks') => -2527.00
+datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'weeks') => -205.00
+datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'weeks') => -2838.00
+datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'weeks') => -81.00
+datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'weeks') => -24.00
+datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'weeks') => -2527.00
+datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'weeks') => -205.00
+datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'weeks') => -2228.00
+datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'weeks') => -2905.00
+datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'weeks') => -208.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'weeks') => -208.00
+datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'weeks') => -156.00
+
+datediff(date.mdy(6,10,1648), date.mdy(6,30,1680), 'days') => -11708.00
+datediff(date.mdy(6,30,1680), date.mdy(7,24,1716), 'days') => -13172.00
+datediff(date.mdy(7,24,1716), date.mdy(6,19,1768), 'days') => -18958.00
+datediff(date.mdy(6,19,1768), date.mdy(8,2,1819), 'days') => -18670.00
+datediff(date.mdy(8,2,1819), date.mdy(3,27,1839), 'days') => -7177.00
+datediff(date.mdy(3,27,1839), date.mdy(4,19,1903), 'days') => -23398.00
+datediff(date.mdy(4,19,1903), date.mdy(8,25,1929), 'days') => -9625.00
+datediff(date.mdy(8,25,1929), date.mdy(9,29,1941), 'days') => -4418.00
+datediff(date.mdy(9,29,1941), date.mdy(4,19,1943), 'days') => -567.00
+datediff(date.mdy(4,19,1943), date.mdy(10,7,1943), 'days') => -171.00
+datediff(date.mdy(10,7,1943), date.mdy(3,17,1992), 'days') => -17694.00
+datediff(date.mdy(3,17,1992), date.mdy(2,25,1996), 'days') => -1440.00
+datediff(date.mdy(9,29,41), date.mdy(2,25,1996), 'days') => -19872.00
+datediff(date.mdy(9,29,41), date.mdy(4,19,43), 'days') => -567.00
+datediff(date.mdy(4,19,43), date.mdy(10,7,43), 'days') => -171.00
+datediff(date.mdy(10,7,43), date.mdy(3,17,92), 'days') => -17694.00
+datediff(date.mdy(3,17,92), date.mdy(2,25,96), 'days') => -1440.00
+datediff(date.mdy(2,25,96), date.mdy(11,10,2038), 'days') => -15599.00
+datediff(date.mdy(11,10,2038), date.mdy(7,18,2094), 'days') => -20339.00
+datediff(date.mdy(2,29,1900), date.mdy(2,29,1904), 'days') => -1460.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1908), 'days') => -1461.00
+datediff(date.mdy(2,29,1900), date.mdy(2,28,1903), 'days') => -1094.00
+
+datediff(date.mdy(6,30,1680), date.mdy(6,10,1648), 'years') => 32.00
+datediff(date.mdy(7,24,1716), date.mdy(6,30,1680), 'years') => 36.00
+datediff(date.mdy(6,19,1768), date.mdy(7,24,1716), 'years') => 51.00
+datediff(date.mdy(8,2,1819), date.mdy(6,19,1768), 'years') => 51.00
+datediff(date.mdy(3,27,1839), date.mdy(8,2,1819), 'years') => 19.00
+datediff(date.mdy(4,19,1903), date.mdy(3,27,1839), 'years') => 64.00
+datediff(date.mdy(8,25,1929), date.mdy(4,19,1903), 'years') => 26.00
+datediff(date.mdy(9,29,1941), date.mdy(8,25,1929), 'years') => 12.00
+datediff(date.mdy(4,19,1943), date.mdy(9,29,1941), 'years') => 1.00
datediff(date.mdy(10,7,1943), date.mdy(4,19,1943), 'years') => 0.00
-datediff(date.mdy(3,17,1992), date.mdy(10,7,1943), 'years') => -48.00
-datediff(date.mdy(2,25,1996), date.mdy(3,17,1992), 'years') => -3.00
-datediff(date.mdy(2,25,1996), date.mdy(9,29,41), 'years') => -54.00
-datediff(date.mdy(4,19,43), date.mdy(9,29,41), 'years') => -1.00
+datediff(date.mdy(3,17,1992), date.mdy(10,7,1943), 'years') => 48.00
+datediff(date.mdy(2,25,1996), date.mdy(3,17,1992), 'years') => 3.00
+datediff(date.mdy(2,25,1996), date.mdy(9,29,41), 'years') => 54.00
+datediff(date.mdy(4,19,43), date.mdy(9,29,41), 'years') => 1.00
datediff(date.mdy(10,7,43), date.mdy(4,19,43), 'years') => 0.00
-datediff(date.mdy(3,17,92), date.mdy(10,7,43), 'years') => -48.00
-datediff(date.mdy(2,25,96), date.mdy(3,17,92), 'years') => -3.00
-datediff(date.mdy(11,10,2038), date.mdy(2,25,96), 'years') => -42.00
-datediff(date.mdy(7,18,2094), date.mdy(11,10,2038), 'years') => -55.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1900), 'years') => -3.00
-datediff(date.mdy(2,29,1908), date.mdy(2,29,1904), 'years') => -4.00
-datediff(date.mdy(2,28,1903), date.mdy(2,29,1900), 'years') => -2.00
-
-datediff(date.mdy(6,30,1680), date.mdy(6,10,1648), 'months') => -384.00
-datediff(date.mdy(7,24,1716), date.mdy(6,30,1680), 'months') => -432.00
-datediff(date.mdy(6,19,1768), date.mdy(7,24,1716), 'months') => -622.00
-datediff(date.mdy(8,2,1819), date.mdy(6,19,1768), 'months') => -613.00
-datediff(date.mdy(3,27,1839), date.mdy(8,2,1819), 'months') => -235.00
-datediff(date.mdy(4,19,1903), date.mdy(3,27,1839), 'months') => -768.00
-datediff(date.mdy(8,25,1929), date.mdy(4,19,1903), 'months') => -316.00
-datediff(date.mdy(9,29,1941), date.mdy(8,25,1929), 'months') => -145.00
-datediff(date.mdy(4,19,1943), date.mdy(9,29,1941), 'months') => -18.00
-datediff(date.mdy(10,7,1943), date.mdy(4,19,1943), 'months') => -5.00
-datediff(date.mdy(3,17,1992), date.mdy(10,7,1943), 'months') => -581.00
-datediff(date.mdy(2,25,1996), date.mdy(3,17,1992), 'months') => -47.00
-datediff(date.mdy(2,25,1996), date.mdy(9,29,41), 'months') => -652.00
-datediff(date.mdy(4,19,43), date.mdy(9,29,41), 'months') => -18.00
-datediff(date.mdy(10,7,43), date.mdy(4,19,43), 'months') => -5.00
-datediff(date.mdy(3,17,92), date.mdy(10,7,43), 'months') => -581.00
-datediff(date.mdy(2,25,96), date.mdy(3,17,92), 'months') => -47.00
-datediff(date.mdy(11,10,2038), date.mdy(2,25,96), 'months') => -512.00
-datediff(date.mdy(7,18,2094), date.mdy(11,10,2038), 'months') => -668.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1900), 'months') => -47.00
-datediff(date.mdy(2,29,1908), date.mdy(2,29,1904), 'months') => -48.00
-datediff(date.mdy(2,28,1903), date.mdy(2,29,1900), 'months') => -35.00
-
-datediff(date.mdy(6,30,1680), date.mdy(6,10,1648), 'quarters') => -128.00
-datediff(date.mdy(7,24,1716), date.mdy(6,30,1680), 'quarters') => -144.00
-datediff(date.mdy(6,19,1768), date.mdy(7,24,1716), 'quarters') => -207.00
-datediff(date.mdy(8,2,1819), date.mdy(6,19,1768), 'quarters') => -204.00
-datediff(date.mdy(3,27,1839), date.mdy(8,2,1819), 'quarters') => -78.00
-datediff(date.mdy(4,19,1903), date.mdy(3,27,1839), 'quarters') => -256.00
-datediff(date.mdy(8,25,1929), date.mdy(4,19,1903), 'quarters') => -105.00
-datediff(date.mdy(9,29,1941), date.mdy(8,25,1929), 'quarters') => -48.00
-datediff(date.mdy(4,19,1943), date.mdy(9,29,1941), 'quarters') => -6.00
-datediff(date.mdy(10,7,1943), date.mdy(4,19,1943), 'quarters') => -1.00
-datediff(date.mdy(3,17,1992), date.mdy(10,7,1943), 'quarters') => -193.00
-datediff(date.mdy(2,25,1996), date.mdy(3,17,1992), 'quarters') => -15.00
-datediff(date.mdy(2,25,1996), date.mdy(9,29,41), 'quarters') => -217.00
-datediff(date.mdy(4,19,43), date.mdy(9,29,41), 'quarters') => -6.00
-datediff(date.mdy(10,7,43), date.mdy(4,19,43), 'quarters') => -1.00
-datediff(date.mdy(3,17,92), date.mdy(10,7,43), 'quarters') => -193.00
-datediff(date.mdy(2,25,96), date.mdy(3,17,92), 'quarters') => -15.00
-datediff(date.mdy(11,10,2038), date.mdy(2,25,96), 'quarters') => -170.00
-datediff(date.mdy(7,18,2094), date.mdy(11,10,2038), 'quarters') => -222.00
-datediff(date.mdy(2,29,1904), date.mdy(2,29,1900), 'quarters') => -15.00
-datediff(date.mdy(2,29,1908), date.mdy(2,29,1904), 'quarters') => -16.00
-datediff(date.mdy(2,28,1903), date.mdy(2,29,1900), 'quarters') => -11.00
+datediff(date.mdy(3,17,92), date.mdy(10,7,43), 'years') => 48.00
+datediff(date.mdy(2,25,96), date.mdy(3,17,92), 'years') => 3.00
+datediff(date.mdy(11,10,2038), date.mdy(2,25,96), 'years') => 42.00
+datediff(date.mdy(7,18,2094), date.mdy(11,10,2038), 'years') => 55.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1900), 'years') => 3.00
+datediff(date.mdy(2,29,1908), date.mdy(2,29,1904), 'years') => 4.00
+datediff(date.mdy(2,28,1903), date.mdy(2,29,1900), 'years') => 2.00
+
+datediff(date.mdy(6,30,1680), date.mdy(6,10,1648), 'months') => 384.00
+datediff(date.mdy(7,24,1716), date.mdy(6,30,1680), 'months') => 432.00
+datediff(date.mdy(6,19,1768), date.mdy(7,24,1716), 'months') => 622.00
+datediff(date.mdy(8,2,1819), date.mdy(6,19,1768), 'months') => 613.00
+datediff(date.mdy(3,27,1839), date.mdy(8,2,1819), 'months') => 235.00
+datediff(date.mdy(4,19,1903), date.mdy(3,27,1839), 'months') => 768.00
+datediff(date.mdy(8,25,1929), date.mdy(4,19,1903), 'months') => 316.00
+datediff(date.mdy(9,29,1941), date.mdy(8,25,1929), 'months') => 145.00
+datediff(date.mdy(4,19,1943), date.mdy(9,29,1941), 'months') => 18.00
+datediff(date.mdy(10,7,1943), date.mdy(4,19,1943), 'months') => 5.00
+datediff(date.mdy(3,17,1992), date.mdy(10,7,1943), 'months') => 581.00
+datediff(date.mdy(2,25,1996), date.mdy(3,17,1992), 'months') => 47.00
+datediff(date.mdy(2,25,1996), date.mdy(9,29,41), 'months') => 652.00
+datediff(date.mdy(4,19,43), date.mdy(9,29,41), 'months') => 18.00
+datediff(date.mdy(10,7,43), date.mdy(4,19,43), 'months') => 5.00
+datediff(date.mdy(3,17,92), date.mdy(10,7,43), 'months') => 581.00
+datediff(date.mdy(2,25,96), date.mdy(3,17,92), 'months') => 47.00
+datediff(date.mdy(11,10,2038), date.mdy(2,25,96), 'months') => 512.00
+datediff(date.mdy(7,18,2094), date.mdy(11,10,2038), 'months') => 668.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1900), 'months') => 47.00
+datediff(date.mdy(2,29,1908), date.mdy(2,29,1904), 'months') => 48.00
+datediff(date.mdy(2,28,1903), date.mdy(2,29,1900), 'months') => 35.00
+
+datediff(date.mdy(6,30,1680), date.mdy(6,10,1648), 'quarters') => 128.00
+datediff(date.mdy(7,24,1716), date.mdy(6,30,1680), 'quarters') => 144.00
+datediff(date.mdy(6,19,1768), date.mdy(7,24,1716), 'quarters') => 207.00
+datediff(date.mdy(8,2,1819), date.mdy(6,19,1768), 'quarters') => 204.00
+datediff(date.mdy(3,27,1839), date.mdy(8,2,1819), 'quarters') => 78.00
+datediff(date.mdy(4,19,1903), date.mdy(3,27,1839), 'quarters') => 256.00
+datediff(date.mdy(8,25,1929), date.mdy(4,19,1903), 'quarters') => 105.00
+datediff(date.mdy(9,29,1941), date.mdy(8,25,1929), 'quarters') => 48.00
+datediff(date.mdy(4,19,1943), date.mdy(9,29,1941), 'quarters') => 6.00
+datediff(date.mdy(10,7,1943), date.mdy(4,19,1943), 'quarters') => 1.00
+datediff(date.mdy(3,17,1992), date.mdy(10,7,1943), 'quarters') => 193.00
+datediff(date.mdy(2,25,1996), date.mdy(3,17,1992), 'quarters') => 15.00
+datediff(date.mdy(2,25,1996), date.mdy(9,29,41), 'quarters') => 217.00
+datediff(date.mdy(4,19,43), date.mdy(9,29,41), 'quarters') => 6.00
+datediff(date.mdy(10,7,43), date.mdy(4,19,43), 'quarters') => 1.00
+datediff(date.mdy(3,17,92), date.mdy(10,7,43), 'quarters') => 193.00
+datediff(date.mdy(2,25,96), date.mdy(3,17,92), 'quarters') => 15.00
+datediff(date.mdy(11,10,2038), date.mdy(2,25,96), 'quarters') => 170.00
+datediff(date.mdy(7,18,2094), date.mdy(11,10,2038), 'quarters') => 222.00
+datediff(date.mdy(2,29,1904), date.mdy(2,29,1900), 'quarters') => 15.00
+datediff(date.mdy(2,29,1908), date.mdy(2,29,1904), 'quarters') => 16.00
+datediff(date.mdy(2,28,1903), date.mdy(2,29,1900), 'quarters') => 11.00
# DATESUM with non-leap year
ctime.days(datesum(date.mdy(1,31,1900), 1, 'months') - date.mdy(1,1,1900)) =>
58.00