m4_define([CHECK_EXPR_EVAL],
  [AT_SETUP([expressions - $1])
   AT_DATA([evaluate.sps],
     [set mxwarn 1000.
set mxerr 1000.
m4_foreach([check], [m4_shift($@)],
                 [DEBUG EVALUATE NOOPT m4_argn(4, check)/[]m4_car(check).
DEBUG EVALUATE m4_argn(4, check)/[]m4_car(check).
])])
   AT_CAPTURE_FILE([evaluate.sps])
   m4_pushdef([i], [2])
   AT_CHECK([pspp --testing-mode --error-file=- --no-output evaluate.sps], 
     [m4_if(m4_bregexp([m4_foreach([check], [m4_shift($@)], [m4_argn(3, check)])], [error:]), [-1], [0], [1])],
     [m4_foreach([check], [m4_shift($@)],
        [m4_define([i], m4_incr(i))dnl
m4_if(m4_argn(3, check), [], [], [evaluate.sps:[]i[]: m4_argn(3, check)
])dnl
m4_argn(2, check)
m4_define([i], m4_incr(i))dnl
m4_if(m4_argn(3, check), [], [], [evaluate.sps:[]i[]: m4_argn(3, check)
])dnl
m4_argn(2, check)
])], [])
   m4_popdef([i])
   AT_CLEANUP])

AT_BANNER([expressions])

CHECK_EXPR_EVAL([numeric syntax],
  [[1e2], [100.00]],
  [[1e+2], [100.00]],
  [[1e-2], [0.01]],
  [[1e-99], [0.00]])

CHECK_EXPR_EVAL([coercion to/from Boolean],
  [[0 AND 1], [false]],
  [[$true AND 1], [true]],
  [[1 OR $false], [true]],
  [[1 OR $sysmis], [true]],
  [[2 OR $sysmis], [sysmis],
   [error: DEBUG EVALUATE: An operand of the logical disjunction ("OR") operator was found to have a value other than 0 (false), 1 (true), or the system-missing value.  The result was forced to 0.]],
  [[2 AND $sysmis], [false],
   [error: DEBUG EVALUATE: An operand of the logical conjunction ("AND") operator was found to have a value other than 0 (false), 1 (true), or the system-missing value.  The result was forced to 0.]],
  [['string' AND $sysmis], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying logical conjunction ("AND") operator: cannot convert string to boolean.]],
  [[0 AND $sysmis], [false]],
  [[(1>2) + 1], [1.00]],
  [[$true + $false], [1.00]])

CHECK_EXPR_EVAL([addition and subtraction],
  [[1 + 2], [3.00]],
  [[1 + $true], [2.00]],
  [[$sysmis + 1], [sysmis]],
  [[7676 + $sysmis], [sysmis]],
  [[('foo') + 5], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying addition ("+") operator: cannot convert string to number.]],
  dnl Arithmetic concatenation requires CONCAT:
  [[('foo') + ('bar')], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying addition ("+") operator: cannot convert string to number.]],
  dnl Lexical concatenation succeeds:
  [['foo' + 'bar'], ["foobar"]],
  [[1 +3 - 2 +4 -5], [1.00]],
  [[1 - $true], [0.00]],
  [[$true - 4/3], [-0.33]],
  [['string' - 1e10], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying subtraction ("-") operator: cannot convert string to number.]],
  [[9.5 - ''], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying subtraction ("-") operator: cannot convert string to number.]],
  [[1 - 2], [-1.00]],
  [[52 -23], [29.00]])

CHECK_EXPR_EVAL([multiplication and division],
  [[5 * 10], [50.00]],
  [[10 * $true], [10.00]],
  [[$true * 5], [5.00]],
  [[1.5 * $true], [1.50]],
  [[5 * $sysmis], [sysmis]],
  [[$sysmis * 15], [sysmis]],
  [[2 * 5 / 10], [1.00]],
  [[1 / 2], [0.50]],
  [[2 / 5], [0.40]],
  [[12 / 3 / 2], [2.00]])

CHECK_EXPR_EVAL([exponentiation],
  [[2**8], [256.00]],
  [[(2**3)**4], [4096.00]],
  [[2**3**4], [4096.00],
   [warning: DEBUG EVALUATE: The exponentiation operator ("**") is left-associative, even though right-associative semantics are more useful.  That is, "a**b**c" equals "(a**b)**c", not as "a**(b**c)".  To disable this warning, insert parentheses.]])

CHECK_EXPR_EVAL([unary minus],
  [[2+-3], [-1.00]],
  [[2*-3], [-6.00]],
  [[-3**2], [-9.00]],
  [[(-3)**2], [9.00]],
  [[2**-1], [0.50]],
  [[0**0], [sysmis]],
  [[0**-1], [sysmis]],
  [[(-3)**1.5], [sysmis]])

CHECK_EXPR_EVAL([AND truth table],
  [[$false AND $false], [false]],
  [[$false AND $true], [false]],
  [[$false AND $sysmis], [false]],
  [[$true AND $false], [false]],
  [[$true AND $true], [true]],
  [[$true AND $sysmis], [sysmis]],
  [[$sysmis AND $false], [false]],
  [[$sysmis AND $true], [sysmis]],
  [[$sysmis AND $sysmis], [sysmis]],
  [[$false & $false], [false]],
  [[$false & $true], [false]],
  [[$false & $sysmis], [false]],
  [[$true & $false], [false]],
  [[$true & $true], [true]],
  [[$true & $sysmis], [sysmis]],
  [[$sysmis & $false], [false]],
  [[$sysmis & $true], [sysmis]],
  [[$sysmis & $sysmis], [sysmis]])

CHECK_EXPR_EVAL([OR truth table],
  [[$false OR $false], [false]],
  [[$false OR $true], [true]],
  [[$false OR $sysmis], [sysmis]],
  [[$true OR $false], [true]],
  [[$true OR $true], [true]],
  [[$true OR $sysmis], [true]],
  [[$sysmis OR $false], [sysmis]],
  [[$sysmis OR $true], [true]],
  [[$sysmis OR $sysmis], [sysmis]],
  [[$false | $false], [false]],
  [[$false | $true], [true]],
  [[$false | $sysmis], [sysmis]],
  [[$true | $false], [true]],
  [[$true | $true], [true]],
  [[$true | $sysmis], [true]],
  [[$sysmis | $false], [sysmis]],
  [[$sysmis | $true], [true]],
  [[$sysmis | $sysmis], [sysmis]])

CHECK_EXPR_EVAL([NOT truth table],
  [[not $false], [true]],
  [[not 0], [true]],
  [[not 2.5], [true],
   [error: DEBUG EVALUATE: An operand of the logical negation ("NOT") operator was found to have a value other than 0 (false), 1 (true), or the system-missing value.  The result was forced to 0.]],
  [[not $true], [false]],
  [[not 1], [false]],
  [[not $sysmis], [sysmis]],
  [[~ $false], [true]],
  [[~ 0], [true]],
  [[~ 2.5], [true],
   [error: DEBUG EVALUATE: An operand of the logical negation ("NOT") operator was found to have a value other than 0 (false), 1 (true), or the system-missing value.  The result was forced to 0.]],
  [[~ $true], [false]],
  [[~ 1], [false]],
  [[~ $sysmis], [sysmis]])

CHECK_EXPR_EVAL([= <= <],
  [[1 eq 1], [true]],
  [[1 = 1], [true]],
  [[1 eq 2], [false]],
  [[2 = 3], [false]],
  [[1 eq 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric equality ("EQ") operator: cannot convert string to number.]],
  [[5 eq 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric equality ("EQ") operator: cannot convert string to number.]],
  [['baz' = 10], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string equality ("=") operator: cannot convert number to string.]],
  [['quux' = 5.55], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string equality ("=") operator: cannot convert number to string.]],
  [['foobar' = 'foobar'], [true]],
  [['quux' = 'bar'], [false]],
  [['bar   ' = 'bar'], [true]],
  [['asdf         ' = 'asdf  '], [true]],
  [['asdfj   ' = 'asdf'], [false]],
dnl Check precedence:
  [[1 + 2 = 3], [true]],
  [[1 >= 2 = 2 ge 3], [false],
   [warning: DEBUG EVALUATE: Chaining relational operators (e.g. "a < b < c") will not produce the mathematically expected result.  Use the AND logical operator to fix the problem (e.g. "a < b AND b < c").  If chaining is really intended, parentheses will disable this warning (e.g. "(a < b) < c".)]],
dnl Mathematically true:
  [[3 ne 2 ~= 1], [false],
   [warning: DEBUG EVALUATE: Chaining relational operators (e.g. "a < b < c") will not produce the mathematically expected result.  Use the AND logical operator to fix the problem (e.g. "a < b AND b < c").  If chaining is really intended, parentheses will disable this warning (e.g. "(a < b) < c".)]],
  [[3 > 2 > 1], [false],
   [warning: DEBUG EVALUATE: Chaining relational operators (e.g. "a < b < c") will not produce the mathematically expected result.  Use the AND logical operator to fix the problem (e.g. "a < b AND b < c").  If chaining is really intended, parentheses will disable this warning (e.g. "(a < b) < c".)]],

  [[1 <= 2], [true]],
  [[2.5 <= 1.5], [false]],
  [[1 le 2], [true]],
  [[2 <= 2], [true]],
  [[2 le 2], [true]],
dnl Make sure <= token can't be split:
  [[2 < = 2], [error],
   [error: DEBUG EVALUATE: Syntax error in expression at `='.]],
  [[1 <= 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric less-than-or-equal-to ("<=") operator: cannot convert string to number.]],
  [[5 <= 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric less-than-or-equal-to ("<=") operator: cannot convert string to number.]],
  [['baz' <= 10], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string less-than-or-equal-to ("<=") operator: cannot convert number to string.]],
  [['quux' <= 5.55], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string less-than-or-equal-to ("<=") operator: cannot convert number to string.]],
  [['0123' <= '0123'], [true]],
  [['0123' <= '0124'], [true]],
  [['0124' le '0123'], [false]],
  [['0123  ' <= '0123'], [true]],
  [['0123' le '0123  '], [true]],

  [[1 < 2], [true]],
  [[2.5 < 1.5], [false]],
  [[3.5 lt 4], [true]],
  [[4 lt 3.5], [false]],
  [[1 lt 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric less than ("<") operator: cannot convert string to number.]],
  [[5 lt 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric less than ("<") operator: cannot convert string to number.]],
  [['baz' < 10], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string less than ("<") operator: cannot convert number to string.]],
  [['quux' < 5.55], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string less than ("<") operator: cannot convert number to string.]],
  [['0123' lt '0123'], [false]],
  [['0123' < '0124'], [true]],
  [['0124' lt '0123'], [false]],
  [['0123  ' < '0123'], [false]],
  [['0123' lt '0123  '], [false]])

CHECK_EXPR_EVAL([>= > <>],
  [[1 >= 2], [false]],
  [[2.5 >= 1.5], [true]],
  [[1 ge 2], [false]],
  [[2 >= 2], [true]],
  [[2 ge 2], [true]],
dnl Make sure >= token can't be split:
  [[2 > = 2], [error],
   [error: DEBUG EVALUATE: Syntax error in expression at `='.]],
  [[1 >= 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric greater-than-or-equal-to (">=") operator: cannot convert string to number.]],
  [[5 ge 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric greater-than-or-equal-to (">=") operator: cannot convert string to number.]],
  [['baz' ge 10], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string greater-than-or-equal-to (">=") operator: cannot convert number to string.]],
  [['quux' >= 5.55], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string greater-than-or-equal-to (">=") operator: cannot convert number to string.]],
  [['0123' ge '0123'], [true]],
  [['0123' >= '0124'], [false]],
  [['0124' >= '0123'], [true]],
  [['0123  ' ge '0123'], [true]],
  [['0123' >= '0123  '], [true]],

  [[1 > 2], [false]],
  [[2.5 > 1.5], [true]],
  [[3.5 gt 4], [false]],
  [[4 gt 3.5], [true]],
  [[1 gt 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric greater than (">") operator: cannot convert string to number.]],
  [[5 gt 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric greater than (">") operator: cannot convert string to number.]],
  [['baz' > 10], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string greater than (">") operator: cannot convert number to string.]],
  [['quux' > 5.55], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string greater than (">") operator: cannot convert number to string.]],
  [['0123' gt '0123'], [false]],
  [['0123' > '0124'], [false]],
  [['0124' gt '0123'], [true]],
  [['0123  ' > '0123'], [false]],
  [['0123' gt '0123  '], [false]],

  [[1 ne 1], [false]],
  [[1 ~= 1], [false]],
  [[1 <> 2], [true]],
  [[2 ne 3], [true]],
  [[1 ~= 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric inequality ("<>") operator: cannot convert string to number.]],
  [[5 <> 'foobar'], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying numeric inequality ("<>") operator: cannot convert string to number.]],
  [['baz' ne 10], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string inequality ("<>") operator: cannot convert number to string.]],
  [['quux' ~= 5.55], [error],
   [error: DEBUG EVALUATE: Type mismatch while applying string inequality ("<>") operator: cannot convert number to string.]],
  [['foobar' <> 'foobar'], [false]],
  [['quux' ne 'bar'], [true]],
  [['bar   ' <> 'bar'], [false]],
  [['asdf         ' ~= 'asdf  '], [false]],
  [['asdfj   ' ne 'asdf'], [true]],
dnl <> token can't be split:
  [[1 < > 1], [error],
   [error: DEBUG EVALUATE: Syntax error in expression at `GT'.]],
dnl # ~= token can't be split:
  [[1 ~ = 1], [error],
   [error: DEBUG EVALUATE: Syntax error expecting end of command at `NOT'.]])

CHECK_EXPR_EVAL([exp lg10 ln sqrt abs mod mod10 rnd trunc],
  [[exp(10)], [22026.47]],
  [[exp('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking EXP(number) as exp(string).]],

  [[lg10(500)], [2.70]],
  [[lg10('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking LG10(number) as lg10(string).]],

  [[ln(10)], [2.30]],
  [[ln('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking LN(number) as ln(string).]],

  [[sqrt(500)], [22.36]],
  [[sqrt('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking SQRT(number) as sqrt(string).]],

  [[abs(-10.5)], [10.50]],
  [[abs(-55.79)], [55.79]],
  [[abs(22)], [22.00]],
  [[abs(0)], [0.00]],

  [[mod(55.5, 2)], [1.50]],
  [[mod(-55.5, 2)], [-1.50]],
  [[mod(55.5, -2)], [1.50]],
  [[mod(-55.5, -2)], [-1.50]],
  [[mod('a', 2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking MOD(number, number) as mod(string, number).]],
  [[mod(2, 'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking MOD(number, number) as mod(number, string).]],
  [[mod('a', 'b')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking MOD(number, number) as mod(string, string).]],

  [[mod10(55.5)], [5.50]],
  [[mod10(-55.5)], [-5.50]],
  [[mod10('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking MOD10(number) as mod10(string).]],

  [[rnd(5.4)], [5.00]],
  [[rnd(5.6)], [6.00]],
  [[rnd(-5.4)], [-5.00]],
  [[rnd(-5.6)], [-6.00]],
  [[rnd('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking RND(number) as rnd(string).]],

  [[trunc(1.2)], [1.00]],
  [[trunc(1.9)], [1.00]],
  [[trunc(-1.2)], [-1.00]],
  [[trunc(-1.9)], [-1.00]],
  [[trunc('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking TRUNC(number) as trunc(string).]])

CHECK_EXPR_EVAL([acos arsin artan cos sin tan],
  [[acos(.5) / 3.14159 * 180], [60.00]],
  [[arcos(.75) / 3.14159 * 180], [41.41]],
  [[arcos(-.5) / 3.14159 * 180], [120.00]],
  [[acos(-.75) / 3.14159 * 180], [138.59]],
  [[acos(-1) / 3.14159 * 180], [180.00]],
  [[arcos(1) / 3.14159 * 180], [0.00]],
  [[acos(-1.01)], [sysmis]],
  [[arcos(1.01)], [sysmis]],
  [[acos('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking ACOS(number) as acos(string).]],

  [[arsin(.5) / 3.14159 * 180], [30.00]],
  [[asin(.25) / 3.14159 * 180], [14.48]],
  [[arsin(-.5) / 3.14159 * 180], [-30.00]],
  [[asin(-.25) / 3.14159 * 180], [-14.48]],
  [[arsin(-1.01)], [sysmis]],
  [[asin(1.01)], [sysmis]],
  [[arsin('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking ARSIN(number) as arsin(string).]],

  [[artan(1) / 3.14159 * 180], [45.00]],
  [[atan(10) / 3.14159 * 180], [84.29]],
  [[artan(-1) / 3.14159 * 180], [-45.00]],
  [[atan(-10) / 3.14159 * 180], [-84.29]],
  [[artan('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking ARTAN(number) as artan(string).]],

  [[cos(60 / 180 * 3.14159)], [0.50]],
  [[cos(45 / 180 * 3.14159)], [0.71]],
  [[cos(30 / 180 * 3.14159)], [0.87]],
  [[cos(15 / 180 * 3.14159)], [0.97]],
  [[cos(-60 / 180 * 3.14159)], [0.50]],
  [[cos(-45 / 180 * 3.14159)], [0.71]],
  [[cos(-30 / 180 * 3.14159)], [0.87]],
  [[cos(-15 / 180 * 3.14159)], [0.97]],
  [[cos(123 / 180 * 3.14159)], [-0.54]],
  [[cos(321 / 180 * 3.14159)], [0.78]],
  [[cos('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking COS(number) as cos(string).]],

  [[sin(60 / 180 * 3.14159)], [0.87]],
  [[sin(45 / 180 * 3.14159)], [0.71]],
  [[sin(30 / 180 * 3.14159)], [0.50]],
  [[sin(15 / 180 * 3.14159)], [0.26]],
  [[sin(-60 / 180 * 3.14159)], [-0.87]],
  [[sin(-45 / 180 * 3.14159)], [-0.71]],
  [[sin(-30 / 180 * 3.14159)], [-0.50]],
  [[sin(-15 / 180 * 3.14159)], [-0.26]],
  [[sin(123 / 180 * 3.14159)], [0.84]],
  [[sin(321 / 180 * 3.14159)], [-0.63]],
  [[sin('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking SIN(number) as sin(string).]],

  [[tan(60 / 180 * 3.14159)], [1.73]],
  [[tan(45 / 180 * 3.14159)], [1.00]],
  [[tan(30 / 180 * 3.14159)], [0.58]],
  [[tan(15 / 180 * 3.14159)], [0.27]],
  [[tan(-60 / 180 * 3.14159)], [-1.73]],
  [[tan(-45 / 180 * 3.14159)], [-1.00]],
  [[tan(-30 / 180 * 3.14159)], [-0.58]],
  [[tan(-15 / 180 * 3.14159)], [-0.27]],
  [[tan(123 / 180 * 3.14159)], [-1.54]],
  [[tan(321 / 180 * 3.14159)], [-0.81]],
  [[tan('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking TAN(number) as tan(string).]])
# FIXME: a variable name as the argument to SYSMIS is a special case
# that we don't yet test.  We also can't test VALUE this way.
CHECK_EXPR_EVAL([missing nmiss nvalid sysmis any range max min],
  [[missing(10)], [false]],
  [[missing($sysmis)], [true]],
  [[missing(asin(1.01))], [true]],
  [[missing(asin(.5))], [false]],
  [[missing('    ')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking MISSING(number) as missing(string).]],

  [[nmiss($sysmis)], [1.00]],
  [[nmiss(0)], [0.00]],
  [[nmiss($sysmis, $sysmis, $sysmis)], [3.00]],
  [[nmiss(1, 2, 3, 4)], [0.00]],
  [[nmiss(1, $sysmis, $sysmis, 2, 2, $sysmis, $sysmis, 3, 4)], [4.00]],

  [[nvalid($sysmis)], [0.00]],
  [[nvalid(0)], [1.00]],
  [[nvalid($sysmis, $sysmis, $sysmis)], [0.00]],
  [[nvalid(1, 2, 3, 4)], [4.00]],
  [[nvalid(1, $sysmis, $sysmis, 2, 2, $sysmis, $sysmis, 3, 4)], [5.00]],

  [[sysmis(10)], [false]],
  [[sysmis($sysmis)], [true]],
  [[sysmis(asin(1.01))], [true]],
  [[sysmis(asin(.5))], [false]],
  [[sysmis('    ')], [error],
   [error: DEBUG EVALUATE: Function invocation sysmis(string) does not match any known function.  Candidates are:
SYSMIS(num_variable)
SYSMIS(number).]],

  [[any($sysmis, 1, $sysmis, 3)], [sysmis]],
  [[any(1, 1, 2, 3)], [true]],
  [[any(1, $true, 2, 3)], [true]],
  [[any(1, $false, 2, 3)], [false]],
  [[any(2, 1, 2, 3)], [true]],
  [[any(3, 1, 2, 3)], [true]],
  [[any(5, 1, 2, 3)], [false]],
  [[any(1, 1, 1, 1)], [true]],
  [[any($sysmis, 1, 1, 1)], [sysmis]],
  [[any(1, $sysmis, $sysmis, $sysmis)], [sysmis]],
  [[any($sysmis, $sysmis, $sysmis, $sysmis)], [sysmis]],
  [[any(1)], [error],
   [error: DEBUG EVALUATE: Function invocation any(number) does not match any known function.  Candidates are:
ANY(number, number[, number]...)
ANY(string, string[, string]...).]],
  [[any('1', 2, 3, 4)], [error],
   [error: DEBUG EVALUATE: Function invocation any(string, number, number, number) does not match any known function.  Candidates are:
ANY(number, number[, number]...)
ANY(string, string[, string]...).]],
  [[any(1, '2', 3, 4)], [error],
   [error: DEBUG EVALUATE: Function invocation any(number, string, number, number) does not match any known function.  Candidates are:
ANY(number, number[, number]...)
ANY(string, string[, string]...).]],
  [[any(1, 2, '3', 4)], [error],
   [error: DEBUG EVALUATE: Function invocation any(number, number, string, number) does not match any known function.  Candidates are:
ANY(number, number[, number]...)
ANY(string, string[, string]...).]],
  [[any(1, 2, 3, '4')], [error],
   [error: DEBUG EVALUATE: Function invocation any(number, number, number, string) does not match any known function.  Candidates are:
ANY(number, number[, number]...)
ANY(string, string[, string]...).]],

  [[any('', 'a', '', 'c')], [true]],
  [[any('a', 'a', 'b', 'c')], [true]],
  [[any('b', 'a', 'b', 'c')], [true]],
  [[any('c', 'a', 'b', 'c')], [true]],
  [[any('e', 'a', 'b', 'c')], [false]],
  [[any('a', 'a', 'a', 'a')], [true]],
  [[any('', 'a', 'a', 'a')], [false]],
  [[any('a', '', '', '')], [false]],
  [[any('a')], [error],
   [error: DEBUG EVALUATE: Function invocation any(string) does not match any known function.  Candidates are:
ANY(number, number[, number]...)
ANY(string, string[, string]...).]],
  [[any('a', 'a  ', 'b', 'c')], [true]],
  [[any('b   ', 'a', 'b', 'c')], [true]],
  [[any('c   ', 'a', 'b', 'c     ')], [true]],
  [[any(a, 'b', 'c', 'd')], [error],
   [error: DEBUG EVALUATE: Function invocation any(format, string, string, string) does not match any known function.  Candidates are:
ANY(number, number[, number]...)
ANY(string, string[, string]...).]],
  [[any('a', b, 'c', 'd')], [error],
   [error: DEBUG EVALUATE: Unknown identifier b.]],
  [[any('a', 'b', c, 'd')], [error],
   [error: DEBUG EVALUATE: Unknown identifier c.]],
  [[any('a', 'b', 'c', d)], [error],
   [error: DEBUG EVALUATE: Unknown identifier d.]],

  [[range(5, 1, 10)], [true]],
  [[range(1, 1, 10)], [true]],
  [[range(10, 1, 10)], [true]],
  [[range(-1, 1, 10)], [false]],
  [[range(12, 1, 10)], [false]],
  [[range($sysmis, 1, 10)], [sysmis]],
  [[range(5, 1, $sysmis)], [sysmis]],
  [[range(5, $sysmis, 10)], [sysmis]],
  [[range($sysmis, $sysmis, 10)], [sysmis ]],
  [[range($sysmis, 1, $sysmis)], [sysmis]],
  [[range($sysmis, $sysmis, $sysmis)], [sysmis]],
  [[range(0, 1, 8, 10, 18)], [false]],
  [[range(1, 1, 8, 10, 18)], [true]],
  [[range(6, 1, 8, 10, 18)], [true]],
  [[range(8, 1, 8, 10, 18)], [true]],
  [[range(9, 1, 8, 10, 18)], [false]],
  [[range(10, 1, 8, 10, 18)], [true]],
  [[range(13, 1, 8, 10, 18)], [true]],
  [[range(16, 1, 8, 10, 18)], [true]],
  [[range(18, 1, 8, 10, 18)], [true]],
  [[range(20, 1, 8, 10, 18)], [false]],
  [[range(1)], [error],
   [error: DEBUG EVALUATE: Function invocation range(number) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],
  [[range(1, 2)], [error],
   [error: DEBUG EVALUATE: RANGE(number, number, number[, number, number]...) must have an even number of arguments in list.]],
  [[range(1, 2, 3, 4)], [error],
   [error: DEBUG EVALUATE: RANGE(number, number, number[, number, number]...) must have an even number of arguments in list.]],
  [[range(1, 2, 3, 4, 5, 6)], [error],
   [error: DEBUG EVALUATE: RANGE(number, number, number[, number, number]...) must have an even number of arguments in list.]],
  [[range('1', 2, 3)], [error],
   [error: DEBUG EVALUATE: Function invocation range(string, number, number) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],
  [[range(1, '2', 3)], [error],
   [error: DEBUG EVALUATE: Function invocation range(number, string, number) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],
  [[range(1, 2, '3')], [error],
   [error: DEBUG EVALUATE: Function invocation range(number, number, string) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],

  [[range('123', '111', '888')], [true]],
  [[range('111', '111', '888')], [true]],
  [[range('888', '111', '888')], [true]],
  [[range('110', '111', '888')], [false]],
  [[range('889', '111', '888')], [false]],
  [[range('000', '111', '888')], [false]],
  [[range('999', '111', '888')], [false]],
  [[range('123   ', '111', '888')], [true]],
  [[range('123', '111   ', '888')], [true]],
  [[range('123', '111', '888   ')], [true]],
  [[range('123', '111    ', '888   ')], [true]],
  [[range('00', '01', '08', '10', '18')], [false]],
  [[range('01', '01', '08', '10', '18')], [true]],
  [[range('06', '01', '08', '10', '18')], [true]],
  [[range('08', '01', '08', '10', '18')], [true]],
  [[range('09', '01', '08', '10', '18')], [false]],
  [[range('10', '01', '08', '10', '18')], [true]],
  [[range('15', '01', '08', '10', '18')], [true]],
  [[range('18', '01', '08', '10', '18')], [true]],
  [[range('19', '01', '08', '10', '18')], [false]],
  [[range('1')], [error],
   [error: DEBUG EVALUATE: Function invocation range(string) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],
  [[range('1', '2')], [error],
   [error: DEBUG EVALUATE: RANGE(string, string, string[, string, string]...) must have an even number of arguments in list.]],
  [[range('1', '2', '3', '4')], [error],
   [error: DEBUG EVALUATE: RANGE(string, string, string[, string, string]...) must have an even number of arguments in list.]],
  [[range('1', '2', '3', '4', '5', '6')], [error],
   [error: DEBUG EVALUATE: RANGE(string, string, string[, string, string]...) must have an even number of arguments in list.]],
  [[range(1, '2', '3')], [error],
   [error: DEBUG EVALUATE: Function invocation range(number, string, string) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],
  [[range('1', 2, '3')], [error],
   [error: DEBUG EVALUATE: Function invocation range(string, number, string) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],
  [[range('1', '2', 3)], [error],
   [error: DEBUG EVALUATE: Function invocation range(string, string, number) does not match any known function.  Candidates are:
RANGE(number, number, number[, number, number]...)
RANGE(string, string, string[, string, string]...).]],

  [[max(1, 2, 3, 4, 5)], [5.00]],
  [[max(1, $sysmis, 2, 3, $sysmis, 4, 5)], [5.00]],
  [[max(1, 2)], [2.00]],
  [[max()], [error],
   [error: DEBUG EVALUATE: Function invocation max() does not match any known function.  Candidates are:
MAX(number[, number]...)
MAX(string[, string]...).]],
  [[max(1)], [1.00]],
  [[max(1, $sysmis)], [1.00]],
  [[max(1, 2, 3, $sysmis)], [3.00]],
  [[max.4(1, 2, 3, $sysmis)], [sysmis]],
  [[max.4(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: With MAX(number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],

  [[max("2", "3", "5", "1", "4")], ["5"]],
  [[max("1", "2")], ["2"]],
  [[max("1")], ["1"]],

  [[min(1, 2, 3, 4, 5)], [1.00]],
  [[min(1, $sysmis, 2, 3, $sysmis, 4, 5)], [1.00]],
  [[min(1, 2)], [1.00]],
  [[min()], [error],
   [error: DEBUG EVALUATE: Function invocation min() does not match any known function.  Candidates are:
MIN(number[, number]...)
MIN(string[, string]...).]],
  [[min(1)], [1.00]],
  [[min(1, $sysmis)], [1.00]],
  [[min(1, 2, 3, $sysmis)], [1.00]],
  [[min.4(1, 2, 3, $sysmis)], [sysmis]],
  [[min.4(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: With MIN(number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],

  [[min("2", "3", "5", "1", "4")], ["1"]],
  [[min("1", "2")], ["1"]],
  [[min("1")], ["1"]])

CHECK_EXPR_EVAL([cfvar mean sd sum variance],
  [[cfvar(1, 2, 3, 4, 5)], [0.53]],
  [[cfvar(1, $sysmis, 2, 3, $sysmis, 4, 5)], [0.53]],
  [[cfvar(1, 2)], [0.47]],
  [[cfvar(1)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CFVAR(number, number[, number]...) as cfvar(number).]],
  [[cfvar(1, $sysmis)], [sysmis]],
  [[cfvar(1, 2, 3, $sysmis)], [0.50]],
  [[cfvar.4(1, 2, 3, $sysmis)], [sysmis]],
  [[cfvar.4(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: With CFVAR(number, number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],
  [[cfvar('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CFVAR(number, number[, number]...) as cfvar(string).]],
  [[cfvar('x', 1, 2, 3)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CFVAR(number, number[, number]...) as cfvar(string, number, number, number).]],

  [[mean(1, 2, 3, 4, 5)], [3.00]],
  [[mean(1, $sysmis, 2, 3, $sysmis, 4, 5)], [3.00]],
  [[mean(1, 2)], [1.50]],
  [[mean()], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking MEAN(number[, number]...) as mean().]],
  [[mean(1)], [1.00]],
  [[mean(1, $sysmis)], [1.00]],
  [[mean(1, 2, 3, $sysmis)], [2.00]],
  [[mean.4(1, 2, 3, $sysmis)], [sysmis]],
  [[mean.4(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: With MEAN(number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],


  [[sd(1, 2, 3, 4, 5)], [1.58]],
  [[sd(1, $sysmis, 2, 3, $sysmis, 4, 5)], [1.58]],
  [[sd(1, 2)], [0.71]],
  [[sd(1)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking SD(number, number[, number]...) as sd(number).]],
  [[sd(1, $sysmis)], [sysmis]],
  [[sd(1, 2, 3, $sysmis)], [1.00]],
  [[sd.4(1, 2, 3, $sysmis)], [sysmis]],
  [[sd.4(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: With SD(number, number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],
  [[sd('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking SD(number, number[, number]...) as sd(string).]],
  [[sd('x', 1, 2, 3)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking SD(number, number[, number]...) as sd(string, number, number, number).]],

  [[sum(1, 2, 3, 4, 5)], [15.00]],
  [[sum(1, $sysmis, 2, 3, $sysmis, 4, 5)], [15.00]],
  [[sum(1, 2)], [3.00]],
  [[sum()], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking SUM(number[, number]...) as sum().]],
  [[sum(1)], [1.00]],
  [[sum(1, $sysmis)], [1.00]],
  [[sum(1, 2, 3, $sysmis)], [6.00]],
  [[sum.4(1, 2, 3, $sysmis)], [sysmis]],
  [[sum.4(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: With SUM(number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],

  [[variance(1, 2, 3, 4, 5)], [2.50]],
  [[variance(1, $sysmis, 2, 3, $sysmis, 4, 5)], [2.50]],
  [[variance(1, 2)], [0.50]],
  [[variance(1)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking VARIANCE(number, number[, number]...) as variance(number).]],
  [[variance(1, $sysmis)], [sysmis]],
  [[variance(1, 2, 3, $sysmis)], [1.00]],
  [[variance.4(1, 2, 3, $sysmis)], [sysmis]],
  [[variance.4(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: With VARIANCE(number, number[, number]...), using minimum valid argument count of 4 does not make sense when passing only 3 arguments in list.]],
  [[variance('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking VARIANCE(number, number[, number]...) as variance(string).]],
  [[variance('x', 1, 2, 3)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking VARIANCE(number, number[, number]...) as variance(string, number, number, number).]])

CHECK_EXPR_EVAL([concat index rindex length lower],
  [[concat('')], [""]],
  [[concat('a', 'b')], ["ab"]],
  [[concat('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h')], ["abcdefgh"]],
  [[concat('abcdefgh', 'ijklmnopq')], ["abcdefghijklmnopq"]],
  [[concat('a', 1)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CONCAT(string[, string]...) as concat(string, number).]],
  [[concat(1, 2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CONCAT(string[, string]...) as concat(number, number).]],

  [[index('abcbcde', 'bc')], [2.00]],
  [[index('abcbcde', 'bcd')], [4.00]],
  [[index('abcbcde', 'bcbc')], [2.00]],
  [[index('abcdefgh', 'abc')], [1.00]],
  [[index('abcdefgh', 'bcd')], [2.00]],
  [[index('abcdefgh', 'cde')], [3.00]],
  [[index('abcdefgh', 'def')], [4.00]],
  [[index('abcdefgh', 'efg')], [5.00]],
  [[index('abcdefgh', 'fgh')], [6.00]],
  [[index('abcdefgh', 'fghi')], [0.00]],
  [[index('abcdefgh', 'x')], [0.00]],
  [[index('abcdefgh', 'abch')], [0.00]],
  [[index('banana', 'na')], [3.00]],
  [[index('banana', 'ana')], [2.00]],
  [[index('', 'x')], [0.00]],
  [[index('', '')], [sysmis]],
  [[index('abcdefgh', '')], [sysmis]],
  [[index('abcdefgh', 'alkjsfdjlskalkjfa')], [0.00]],

  [[index('abcbcde', 'bc', 1)], [2.00]],
  [[index('abcbcde', 'dc', 1)], [3.00]],
  [[index('abcbcde', 'abc', 1)], [1.00]],
  [[index('abcbcde', 'bc', 2)], [2.00]],
  [[index('abcbcde', 'dc', 2)], [0.00]],
  [[index('abcbcde', 'abc', 1)], [1.00]],
  [[index('abcbcde', 'bccb', 2)], [2.00]],
  [[index('abcbcde', 'bcbc', 2)], [2.00]],
  [[index('abcbcde', 'bcbc', $sysmis)], [sysmis]],

  [[rindex('abcbcde', 'bc')], [4.00]],
  [[rindex('abcbcde', 'bcd')], [4.00]],
  [[rindex('abcbcde', 'bcbc')], [2.00]],
  [[rindex('abcdefgh', 'abc')], [1.00]],
  [[rindex('abcdefgh', 'bcd')], [2.00]],
  [[rindex('abcdefgh', 'cde')], [3.00]],
  [[rindex('abcdefgh', 'def')], [4.00]],
  [[rindex('abcdefgh', 'efg')], [5.00]],
  [[rindex('abcdefgh', 'fgh')], [6.00]],
  [[rindex('abcdefgh', 'fghi')], [0.00]],
  [[rindex('abcdefgh', 'x')], [0.00]],
  [[rindex('abcdefgh', 'abch')], [0.00]],
  [[rindex('banana', 'na')], [5.00]],
  [[rindex('banana', 'ana')], [4.00]],
  [[rindex('', 'x')], [0.00]],
  [[rindex('', '')], [sysmis]],
  [[rindex('abcdefgh', '')], [sysmis]],
  [[rindex('abcdefgh', 'alkjsfdjlskalkjfa')], [0.00]],

  [[rindex('abcbcde', 'bc', 1)], [5.00]],
  [[rindex('abcbcde', 'dc', 1)], [6.00]],
  [[rindex('abcbcde', 'abc', 1)], [5.00]],
  [[rindex('abcbcde', 'bc', 2)], [4.00]],
  [[rindex('abcbcde', 'dc', 2)], [0.00]],
  [[rindex('abcbcde', 'abc', 1)], [5.00]],
  [[rindex('abcbcde', 'bccb', 2)], [4.00]],
  [[rindex('abcbcde', 'bcbc', 2)], [4.00]],
  [[rindex('abcbcde', 'bcbc', $sysmis)], [sysmis]],
  [[rindex('abcbcde', 'bcbcg', 2)], [sysmis]],
  [[rindex('abcbcde', 'bcbcg', $sysmis)], [sysmis]],
  [[rindex('abcbcde', 'bcbcg', 'x')], [error],
   [error: DEBUG EVALUATE: Function invocation rindex(string, string, string) does not match any known function.  Candidates are:
RINDEX(string, string)
RINDEX(string, string, number).]],
  [[rindex(1, 'bcdfkjl', 2)], [error],
   [error: DEBUG EVALUATE: Function invocation rindex(number, string, number) does not match any known function.  Candidates are:
RINDEX(string, string)
RINDEX(string, string, number).]],
  [[rindex('aksj', 2, 2)], [error],
   [error: DEBUG EVALUATE: Function invocation rindex(string, number, number) does not match any known function.  Candidates are:
RINDEX(string, string)
RINDEX(string, string, number).]],
  [[rindex(1, 2, 3)], [error],
   [error: DEBUG EVALUATE: Function invocation rindex(number, number, number) does not match any known function.  Candidates are:
RINDEX(string, string)
RINDEX(string, string, number).]],
  [[rindex(1, 2, '3')], [error],
   [error: DEBUG EVALUATE: Function invocation rindex(number, number, string) does not match any known function.  Candidates are:
RINDEX(string, string)
RINDEX(string, string, number).]],

  [[length('')], [0.00]],
  [[length('a')], [1.00]],
  [[length('xy')], [2.00]],
  [[length('adsf    ')], [8.00]],
  [[length('abcdefghijkl')], [12.00]],
  [[length(0)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking LENGTH(string) as length(number).]],
  [[length($sysmis)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking LENGTH(string) as length(number).]],

  [[lower('ABCDEFGHIJKLMNOPQRSTUVWXYZ!@%&*089')], ["abcdefghijklmnopqrstuvwxyz!@%&*089"]],
  [[lower('')], [""]],
  [[lower(1)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking LOWER(string) as lower(number).]])

CHECK_EXPR_EVAL([lpad number ltrim lpad rtrim rpad string substr upcase],
  [[lpad('abc', -1)], [""]],
  [[lpad('abc', 0)], ["abc"]],
  [[lpad('abc', 2)], ["abc"]],
  [[lpad('abc', 3)], ["abc"]],
  [[lpad('abc', 10)], ["       abc"]],
  [[lpad('abc', 32768)], [""]],
  [[lpad('abc', $sysmis)], [""]],
  [[lpad('abc', -1, '*')], [""]],
  [[lpad('abc', 0, '*')], ["abc"]],
  [[lpad('abc', 2, '*')], ["abc"]],
  [[lpad('abc', 3, '*')], ["abc"]],
  [[lpad('abc', 10, '*')], ["*******abc"]],
  [[lpad('abc', 32768, '*')], [""]],
  [[lpad('abc', $sysmis, '*')], [""]],
  [[lpad('abc', $sysmis, '')], [""]],
  [[lpad('abc', $sysmis, 'xy')], [""]],
  [[lpad(0, 10)], [error],
   [error: DEBUG EVALUATE: Function invocation lpad(number, number) does not match any known function.  Candidates are:
LPAD(string, number)
LPAD(string, number, string).]],
  [[lpad('abc', 'def')], [error],
   [error: DEBUG EVALUATE: Function invocation lpad(string, string) does not match any known function.  Candidates are:
LPAD(string, number)
LPAD(string, number, string).]],
  [[lpad(0, 10, ' ')], [error],
   [error: DEBUG EVALUATE: Function invocation lpad(number, number, string) does not match any known function.  Candidates are:
LPAD(string, number)
LPAD(string, number, string).]],
  [[lpad('abc', 'def', ' ')], [error],
   [error: DEBUG EVALUATE: Function invocation lpad(string, string, string) does not match any known function.  Candidates are:
LPAD(string, number)
LPAD(string, number, string).]],
  [[lpad('x', 5, 0)], [error],
   [error: DEBUG EVALUATE: Function invocation lpad(string, number, number) does not match any known function.  Candidates are:
LPAD(string, number)
LPAD(string, number, string).]],
  [[lpad('x', 5, 2)], [error],
   [error: DEBUG EVALUATE: Function invocation lpad(string, number, number) does not match any known function.  Candidates are:
LPAD(string, number)
LPAD(string, number, string).]],

  [[number("123", f3.0)], [123.00]],
  [[number(" 123", f3.0)], [12.00]],
  [[number("123", f3.1)], [12.30]],
  [[number("   ", f3.1)], [sysmis]],
  [[number("123", a8)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking NUMBER(string, num_input_format) as number(string, format).]],
dnl CCA is not an input format:
  [[number("123", cca1.2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking NUMBER(string, num_input_format) as number(string, format).]],

  [[ltrim('   abc')], ["abc"]],
  [[rtrim('   abc   ')], ["   abc"]],
  [[ltrim('abc')], ["abc"]],
  [[ltrim('	abc')], ["	abc"]],
  [[ltrim('    ')], [""]],
  [[ltrim('')], [""]],
  [[ltrim(8)], [error],
   [error: DEBUG EVALUATE: Function invocation ltrim(number) does not match any known function.  Candidates are:
LTRIM(string)
LTRIM(string, string).]],
  [[ltrim('***abc', '*')], ["abc"]],
  [[ltrim('abc', '*')], ["abc"]],
  [[ltrim('*abc', '*')], ["abc"]],
  [[ltrim('', '*')], [""]],
  [[ltrim(8, '*')], [error],
   [error: DEBUG EVALUATE: Function invocation ltrim(number, string) does not match any known function.  Candidates are:
LTRIM(string)
LTRIM(string, string).]],
  [[ltrim(' x', 8)], [error],
   [error: DEBUG EVALUATE: Function invocation ltrim(string, number) does not match any known function.  Candidates are:
LTRIM(string)
LTRIM(string, string).]],
  [[ltrim(8, 9)], [error],
   [error: DEBUG EVALUATE: Function invocation ltrim(number, number) does not match any known function.  Candidates are:
LTRIM(string)
LTRIM(string, string).]],

  [[rpad('abc', -1)], [""]],
  [[rpad('abc', 0)], ["abc"]],
  [[rpad('abc', 2)], ["abc"]],
  [[rpad('abc', 3)], ["abc"]],
  [[rpad('abc', 10)], ["abc       "]],
  [[rpad('abc', 32768)], [""]],
  [[rpad('abc', $sysmis)], [""]],
  [[rpad('abc', -1, '*')], [""]],
  [[rpad('abc', 0, '*')], ["abc"]],
  [[rpad('abc', 2, '*')], ["abc"]],
  [[rpad('abc', 3, '*')], ["abc"]],
  [[rpad('abc', 10, '*')], ["abc*******"]],
  [[rpad('abc', 32768, '*')], [""]],
  [[rpad('abc', $sysmis, '*')], [""]],
  [[rpad('abc', $sysmis, '')], [""]],
  [[rpad('abc', $sysmis, 'xy')], [""]],
  [[rpad(0, 10)], [error],
   [error: DEBUG EVALUATE: Function invocation rpad(number, number) does not match any known function.  Candidates are:
RPAD(string, number)
RPAD(string, number, string).]],
  [[rpad('abc', 'def')], [error],
   [error: DEBUG EVALUATE: Function invocation rpad(string, string) does not match any known function.  Candidates are:
RPAD(string, number)
RPAD(string, number, string).]],
  [[rpad(0, 10, ' ')], [error],
   [error: DEBUG EVALUATE: Function invocation rpad(number, number, string) does not match any known function.  Candidates are:
RPAD(string, number)
RPAD(string, number, string).]],
  [[rpad('abc', 'def', ' ')], [error],
   [error: DEBUG EVALUATE: Function invocation rpad(string, string, string) does not match any known function.  Candidates are:
RPAD(string, number)
RPAD(string, number, string).]],
  [[rpad('x', 5, 0)], [error],
   [error: DEBUG EVALUATE: Function invocation rpad(string, number, number) does not match any known function.  Candidates are:
RPAD(string, number)
RPAD(string, number, string).]],
  [[rpad('x', 5, 2)], [error],
   [error: DEBUG EVALUATE: Function invocation rpad(string, number, number) does not match any known function.  Candidates are:
RPAD(string, number)
RPAD(string, number, string).]],

  [[rtrim('abc   ')], ["abc"]],
  [[rtrim('   abc   ')], ["   abc"]],
  [[rtrim('abc')], ["abc"]],
  [[rtrim('abc	')], ["abc	"]],
  [[rtrim('    ')], [""]],
  [[rtrim('')], [""]],
  [[rtrim(8)], [error],
   [error: DEBUG EVALUATE: Function invocation rtrim(number) does not match any known function.  Candidates are:
RTRIM(string)
RTRIM(string, string).]],
  [[rtrim('abc***', '*')], ["abc"]],
  [[rtrim('abc', '*')], ["abc"]],
  [[rtrim('abc*', '*')], ["abc"]],
  [[rtrim('', '*')], [""]],
  [[rtrim(8, '*')], [error],
   [error: DEBUG EVALUATE: Function invocation rtrim(number, string) does not match any known function.  Candidates are:
RTRIM(string)
RTRIM(string, string).]],
  [[rtrim(' x', 8)], [error],
   [error: DEBUG EVALUATE: Function invocation rtrim(string, number) does not match any known function.  Candidates are:
RTRIM(string)
RTRIM(string, string).]],
  [[rtrim(8, 9)], [error],
   [error: DEBUG EVALUATE: Function invocation rtrim(number, number) does not match any known function.  Candidates are:
RTRIM(string)
RTRIM(string, string).]],

  [[string(123.56, f5.1)], ["123.6"]],
  [[string($sysmis, f5.1)], ["   . "]],
  [[string("abc", A5)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking STRING(number, num_output_format) as string(string, format).]],
dnl E has a minimum width of 6 on output:
  [[string(123, e1)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking STRING(number, num_output_format) as string(number, format).]],
  [[string(123, e6.0)], ["1E+002"]],

  [[substr('abcdefgh', -5)], [""]],
  [[substr('abcdefgh', 0)], [""]],
  [[substr('abcdefgh', 1)], ["abcdefgh"]],
  [[substr('abcdefgh', 3)], ["cdefgh"]],
  [[substr('abcdefgh', 5)], ["efgh"]],
  [[substr('abcdefgh', 6)], ["fgh"]],
  [[substr('abcdefgh', 7)], ["gh"]],
  [[substr('abcdefgh', 8)], ["h"]],
  [[substr('abcdefgh', 9)], [""]],
  [[substr('abcdefgh', 10)], [""]],
  [[substr('abcdefgh', 20)], [""]],
  [[substr('abcdefgh', $sysmis)], [""]],
  [[substr(0, 10)], [error],
   [error: DEBUG EVALUATE: Function invocation substr(number, number) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr('abcd', 'abc')], [error],
   [error: DEBUG EVALUATE: Function invocation substr(string, string) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr(0, 'abc')], [error],
   [error: DEBUG EVALUATE: Function invocation substr(number, string) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],

  [[substr('abcdefgh', 0, 0)], [""]],
  [[substr('abcdefgh', 3, 0)], [""]],
  [[substr('abcdefgh', 5, 0)], [""]],
  [[substr('abcdefgh', 9, 0)], [""]],
  [[substr('abcdefgh', 0, 1)], [""]],
  [[substr('abcdefgh', 0, 5)], [""]],
  [[substr('abcdefgh', 1, 8)], ["abcdefgh"]],
  [[substr('abcdefgh', 1, 10)], ["abcdefgh"]],
  [[substr('abcdefgh', 1, 20)], ["abcdefgh"]],
  [[substr('abcdefgh', 3, 4)], ["cdef"]],
  [[substr('abcdefgh', 5, 2)], ["ef"]],
  [[substr('abcdefgh', 6, 1)], ["f"]],
  [[substr('abcdefgh', 7, 10)], ["gh"]],
  [[substr('abcdefgh', 8, 1)], ["h"]],
  [[substr('abcdefgh', 8, 2)], ["h"]],
  [[substr('abcdefgh', 9, 11)], [""]],
  [[substr('abcdefgh', 10, 52)], [""]],
  [[substr('abcdefgh', 20, 1)], [""]],
  [[substr('abcdefgh', $sysmis, 2)], [""]],
  [[substr('abcdefgh', 9, $sysmis)], [""]],
  [[substr('abcdefgh', $sysmis, $sysmis)], [""]],
  [[substr('abc', 1, 'x')], [error],
   [error: DEBUG EVALUATE: Function invocation substr(string, number, string) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr(0, 10, 1)], [error],
   [error: DEBUG EVALUATE: Function invocation substr(number, number, number) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr(0, 10, 'x')], [error],
   [error: DEBUG EVALUATE: Function invocation substr(number, number, string) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr('abcd', 'abc', 0)], [error],
   [error: DEBUG EVALUATE: Function invocation substr(string, string, number) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr('abcd', 'abc', 'j')], [error],
   [error: DEBUG EVALUATE: Function invocation substr(string, string, string) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr(0, 'abc', 4)], [error],
   [error: DEBUG EVALUATE: Function invocation substr(number, string, number) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],
  [[substr(0, 'abc', 'k')], [error],
   [error: DEBUG EVALUATE: Function invocation substr(number, string, string) does not match any known function.  Candidates are:
SUBSTR(string, number)
SUBSTR(string, number, number).]],

  [[upcase('abcdefghijklmnopqrstuvwxyz!@%&*089')], ["ABCDEFGHIJKLMNOPQRSTUVWXYZ!@%&*089"]],
  [[upcase('')], [""]],
  [[upcase(1)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking UPCASE(string) as upcase(number).]])

CHECK_EXPR_EVAL([time ctime date yrmoda],
  [[time.days(1)], [86400.00]],
  [[time.days(-1)], [-86400.00]],
  [[time.days(0.5)], [43200.00]],
  [[time.days('x')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking TIME.DAYS(number) as time.days(string).]],
  [[time.days($sysmis)], [sysmis]],

  [[time.hms(4,50,38)], [17438.00]],
  [[time.hms(12,31,35)], [45095.00]],
  [[time.hms(12,47,53)], [46073.00]],
  [[time.hms(1,26,0)], [5160.00]],
  [[time.hms(20,58,11)], [75491.00]],
  [[time.hms(7,36,5)], [27365.00]],
  [[time.hms(15,43,49)], [56629.00]],
  [[time.hms(4,25,9)], [15909.00]],
  [[time.hms(6,49,27)], [24567.00]],
  [[time.hms(2,57,52)], [10672.00]],
  [[time.hms(16,45,44)], [60344.00]],
  [[time.hms(21,30,57)], [77457.00]],
  [[time.hms(22,30,4)], [81004.00]],
  [[time.hms(1,56,51)], [7011.00]],
  [[time.hms(5, 6, 7)], [18367.00]],
  [[time.hms(5, 6, 0)], [18360.00]],
  [[time.hms(5, 0, 7)], [18007.00]],
  [[time.hms(0, 6, 7)], [367.00]],
  [[time.hms(-5, 6, -7)], [sysmis],
   [warning: DEBUG EVALUATE: TIME.HMS cannot mix positive and negative arguments.]],
  [[time.hms(-5, 5, -7)], [sysmis],
   [warning: DEBUG EVALUATE: TIME.HMS cannot mix positive and negative arguments.]],
  [[time.hms($sysmis, 6, 7)], [sysmis]],
  [[time.hms(5, $sysmis, 7)], [sysmis]],
  [[time.hms(5, $sysmis, 7)], [sysmis]],
  [[time.hms($sysmis, $sysmis, 7)], [sysmis]],
  [[time.hms(5, $sysmis, $sysmis)], [sysmis]],
  [[time.hms($sysmis, $sysmis, 7)], [sysmis]],
  [[time.hms($sysmis, $sysmis, $sysmis)], [sysmis]],

  [[ctime.days(106272)], [1.23]],
  [[ctime.hours(106272)], [29.52]],
  [[ctime.minutes(106272)], [1771.20]],
  [[ctime.seconds(106272)], [106272.00]],
  [[ctime.days(-106272)], [-1.23]],
  [[ctime.hours(-106272)], [-29.52]],
  [[ctime.minutes(-106272)], [-1771.20]],
  [[ctime.seconds(-106272)], [-106272.00]],
  [[ctime.days($sysmis)], [sysmis]],
  [[ctime.hours($sysmis)], [sysmis]],
  [[ctime.minutes($sysmis)], [sysmis]],
  [[ctime.seconds($sysmis)], [sysmis]],
  [[ctime.days('a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CTIME.DAYS(number) as ctime.days(string).]],
  [[ctime.hours('b')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CTIME.HOURS(number) as ctime.hours(string).]],
  [[ctime.minutes('c')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CTIME.MINUTES(number) as ctime.minutes(string).]],
  [[ctime.seconds('d')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking CTIME.SECONDS(number) as ctime.seconds(string).]],

  [[ctime.days(date.dmy(15,10,1582))], [1.00]],
  [[ctime.days(date.dmy(6,9,1719))], [50000.00]],
  [[ctime.days(date.dmy(24,1,1583))], [102.00]],
  [[ctime.days(date.dmy(14,12,1585))], [1157.00]],
  [[ctime.days(date.dmy(26,11,1621))], [14288.00]],
  [[ctime.days(date.dmy(25,12,1821))], [87365.00]],
  [[ctime.days(date.dmy(3,12,1882))], [109623.00]],
  [[ctime.days(date.dmy(6,4,2002))], [153211.00]],
  [[ctime.days(date.dmy(19,12,1999))], [152372.00]],
  [[ctime.days(date.dmy(1,10,1978))], [144623.00]],
  [[ctime.days(date.dmy(0,10,1978))], [144622.00]],
  [[ctime.days(date.dmy(32,10,1978))], [sysmis],
   [error: DEBUG EVALUATE: Day 32 is not in acceptable range of 0 to 31.]],
  [[ctime.days(date.dmy(31,0,1978))], [144349.00]],
  [[ctime.days(date.dmy(31,13,1978))], [144745.00]],
  [[ctime.days(date.dmy($sysmis,10,1978))], [sysmis]],
  [[ctime.days(date.dmy(31,$sysmis,1978))], [sysmis]],
  [[ctime.days(date.dmy(31,10,$sysmis))], [sysmis]],
  [[ctime.days(date.dmy($sysmis,$sysmis,1978))], [sysmis]],
  [[ctime.days(date.dmy(31,$sysmis,$sysmis))], [sysmis]],
  [[ctime.days(date.dmy($sysmis,10,$sysmis))], [sysmis]],
  [[ctime.days(date.dmy($sysmis,$sysmis,$sysmis))], [sysmis]],
  [[date.dmy('a',1,2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.DMY(number, number, number) as date.dmy(string, number, number).]],
  [[date.dmy(1,'a',2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.DMY(number, number, number) as date.dmy(number, string, number).]],
  [[date.dmy(1,2,'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.DMY(number, number, number) as date.dmy(number, number, string).]],
dnl FIXME: check out-of-range and nearly out-of-range values
dnl
  [[yrmoda(1582,10,15)], [1.00]],
  [[yrmoda(1719,9,6)], [50000.00]],
  [[yrmoda(1583,1,24)], [102.00]],
  [[yrmoda(1585,12,14)], [1157.00]],
  [[yrmoda(1621,11,26)], [14288.00]],
  [[yrmoda(1821,12,25)], [87365.00]],
  [[yrmoda(1882,12,3)], [109623.00]],
  [[yrmoda(2002,4,6)], [153211.00]],
  [[yrmoda(1999,12,19)], [152372.00]],
  [[yrmoda(1978,10,1)], [144623.00]],
  [[yrmoda(1978,10,0)], [144622.00]],
  [[yrmoda(1978,10,32)], [sysmis],
   [error: DEBUG EVALUATE: Day 32 is not in acceptable range of 0 to 31.]],
  [[yrmoda(1978,0,31)], [144349.00]],
  [[yrmoda(1978,13,31)], [144745.00]],
  [[yrmoda(1978,10,$sysmis)], [sysmis]],
  [[yrmoda(1978,$sysmis,31)], [sysmis]],
  [[yrmoda($sysmis,10,31)], [sysmis]],
  [[yrmoda(1978,$sysmis,$sysmis)], [sysmis]],
  [[yrmoda($sysmis,$sysmis,31)], [sysmis]],
  [[yrmoda($sysmis,10,$sysmis)], [sysmis]],
  [[yrmoda($sysmis,$sysmis,$sysmis)], [sysmis]],
  [[yrmoda('a',1,2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking YRMODA(number, number, number) as yrmoda(string, number, number).]],
  [[yrmoda(1,'a',2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking YRMODA(number, number, number) as yrmoda(number, string, number).]],
  [[yrmoda(1,2,'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking YRMODA(number, number, number) as yrmoda(number, number, string).]],
dnl FIXME: check out-of-range and nearly out-of-range values
dnl
  [[ctime.days(date.mdy(6,10,1648)) + 577735], [601716.00]],
  [[ctime.days(date.mdy(6,30,1680)) + 577735], [613424.00]],
  [[ctime.days(date.mdy(7,24,1716)) + 577735], [626596.00]],
  [[ctime.days(date.mdy(6,19,1768)) + 577735], [645554.00]],
  [[ctime.days(date.mdy(8,2,1819)) + 577735], [664224.00]],
  [[ctime.days(date.mdy(3,27,1839)) + 577735], [671401.00]],
  [[ctime.days(date.mdy(4,19,1903)) + 577735], [694799.00]],
  [[ctime.days(date.mdy(8,25,1929)) + 577735], [704424.00]],
  [[ctime.days(date.mdy(9,29,1941)) + 577735], [708842.00]],
  [[ctime.days(date.mdy(4,19,1943)) + 577735], [709409.00]],
  [[ctime.days(date.mdy(10,7,1943)) + 577735], [709580.00]],
  [[ctime.days(date.mdy(3,17,1992)) + 577735], [727274.00]],
  [[ctime.days(date.mdy(2,25,1996)) + 577735], [728714.00]],
  [[ctime.days(date.mdy(11,10,2038)) + 577735], [744313.00]],
  [[ctime.days(date.mdy(7,18,2094)) + 577735], [764652.00]],
dnl FIXME: check out-of-range and nearly out-of-range values
dnl
  [[ctime.days(date.mdy(10,15,1582))], [1.00]],
  [[ctime.days(date.mdy(9,6,1719))], [50000.00]],
  [[ctime.days(date.mdy(1,24,1583))], [102.00]],
  [[ctime.days(date.mdy(12,14,1585))], [1157.00]],
  [[ctime.days(date.mdy(11,26,1621))], [14288.00]],
  [[ctime.days(date.mdy(12,25,1821))], [87365.00]],
  [[ctime.days(date.mdy(12,3,1882))], [109623.00]],
  [[ctime.days(date.mdy(4,6,2002))], [153211.00]],
  [[ctime.days(date.mdy(12,19,1999))], [152372.00]],
  [[ctime.days(date.mdy(10,1,1978))], [144623.00]],
  [[ctime.days(date.mdy(10,0,1978))], [144622.00]],
  [[ctime.days(date.mdy(10,32,1978))], [sysmis],
   [error: DEBUG EVALUATE: Day 32 is not in acceptable range of 0 to 31.]],
  [[ctime.days(date.mdy(0,31,1978))], [144349.00]],
  [[ctime.days(date.mdy(13,31,1978))], [144745.00]],
  [[ctime.days(date.mdy(10,$sysmis,1978))], [sysmis]],
  [[ctime.days(date.mdy($sysmis,31,1978))], [sysmis]],
  [[ctime.days(date.mdy(10,31,$sysmis))], [sysmis]],
  [[ctime.days(date.mdy($sysmis,$sysmis,1978))], [sysmis]],
  [[ctime.days(date.mdy($sysmis,31,$sysmis))], [sysmis]],
  [[ctime.days(date.mdy(10,$sysmis,$sysmis))], [sysmis]],
  [[ctime.days(date.mdy($sysmis,$sysmis,$sysmis))], [sysmis]],
  [[date.mdy('a',1,2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.MDY(number, number, number) as date.mdy(string, number, number).]],
  [[date.mdy(1,'a',2)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.MDY(number, number, number) as date.mdy(number, string, number).]],
  [[date.mdy(1,2,'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.MDY(number, number, number) as date.mdy(number, number, string).]],
  [[ctime.days(date.mdy(0,0,0))], [152353.00]],
  [[ctime.days(date.mdy(0,0,999))], [sysmis],
   [error: DEBUG EVALUATE: Date 0998-12-0 is before the earliest acceptable date of 1582-10-15.]],
  [[date.mdy(1,1,1582)], [sysmis],
   [error: DEBUG EVALUATE: Date 1582-1-1 is before the earliest acceptable date of 1582-10-15.]],
  [[date.mdy(10,14,1582)], [sysmis],
   [error: DEBUG EVALUATE: Date 1582-10-14 is before the earliest acceptable date of 1582-10-15.]],
  [[date.mdy(10,15,1582)], [86400.00]],

  [[ctime.days(date.moyr(1,2000))], [152385.00]],
  [[ctime.days(date.moyr(2,2000))], [152416.00]],
  [[ctime.days(date.moyr(3,2000))], [152445.00]],
  [[ctime.days(date.moyr(4,2000))], [152476.00]],
  [[ctime.days(date.moyr(5,2000))], [152506.00]],
  [[ctime.days(date.moyr(13,2000))], [152751.00]],
  [[ctime.days(date.moyr(14,2000))], [sysmis],
   [error: DEBUG EVALUATE: Month 14 is not in acceptable range of 0 to 13.]],
  [[ctime.days(date.moyr($sysmis,2000))], [sysmis]],
  [[ctime.days(date.moyr(1,$sysmis))], [sysmis]],
  [[ctime.days(date.moyr($sysmis,$sysmis))], [sysmis]],
  [[date.moyr('a',2000)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.MOYR(number, number) as date.moyr(string, number).]],
  [[date.moyr(5,'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.MOYR(number, number) as date.moyr(number, string).]],
  [[date.moyr('a','b')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.MOYR(number, number) as date.moyr(string, string).]],

  [[ctime.days(date.qyr(1,2000))], [152385.00]],
  [[ctime.days(date.qyr(2,2000))], [152476.00]],
  [[ctime.days(date.qyr(5,2000))], [sysmis],
   [warning: DEBUG EVALUATE: The first argument to DATE.QYR must be 1, 2, 3, or 4.]],
  [[ctime.days(date.qyr(6,2000))], [sysmis],
   [warning: DEBUG EVALUATE: The first argument to DATE.QYR must be 1, 2, 3, or 4.]],
  [[ctime.days(date.qyr($sysmis,2000))], [sysmis]],
  [[ctime.days(date.qyr(1,$sysmis))], [sysmis]],
  [[ctime.days(date.qyr($sysmis,$sysmis))], [sysmis]],
  [[date.qyr('a',2000)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.QYR(number, number) as date.qyr(string, number).]],
  [[date.qyr(5,'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.QYR(number, number) as date.qyr(number, string).]],
  [[date.qyr('a','b')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.QYR(number, number) as date.qyr(string, string).]],

  [[ctime.days(date.wkyr(1,2000))], [152385.00]],
  [[ctime.days(date.wkyr(15,1999))], [152118.00]],
  [[ctime.days(date.wkyr(36,1999))], [152265.00]],
  [[ctime.days(date.wkyr(54,1999))], [sysmis],
   [error: DEBUG EVALUATE: The week argument to DATE.WKYR is outside the acceptable range of 1 to 53.  The result will be system-missing.]],
  [[ctime.days(date.wkyr($sysmis,1999))], [sysmis]],
  [[ctime.days(date.wkyr(1,$sysmis))], [sysmis]],
  [[ctime.days(date.wkyr($sysmis,$sysmis))], [sysmis]],
  [[date.wkyr('a',1999)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.WKYR(number, number) as date.wkyr(string, number).]],
  [[date.wkyr(5,'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.WKYR(number, number) as date.wkyr(number, string).]],
  [[date.wkyr('a','b')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.WKYR(number, number) as date.wkyr(string, string).]],

  [[ctime.days(date.yrday(2000,1))], [152385.00]],
  [[ctime.days(date.yrday(2000,100))], [152484.00]],
  [[ctime.days(date.yrday(2000,253))], [152637.00]],
  [[ctime.days(date.yrday(2000,500))], [sysmis],
   [error: DEBUG EVALUATE: The day argument to DATE.YRDAY is outside the acceptable range of 1 to 366.  The result will be system-missing.]],
  [[ctime.days(date.yrday(2000,-100))], [sysmis],
   [error: DEBUG EVALUATE: The day argument to DATE.YRDAY is outside the acceptable range of 1 to 366.  The result will be system-missing.]],
  [[ctime.days(date.yrday(1999,$sysmis))], [sysmis]],
  [[ctime.days(date.yrday($sysmis,1))], [sysmis]],
  [[ctime.days(date.yrday($sysmis,$sysmis))], [sysmis]],
  [[date.yrday(1999,'a')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.YRDAY(number, number) as date.yrday(number, string).]],
  [[date.yrday('a',5)], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.YRDAY(number, number) as date.yrday(string, number).]],
  [[date.yrday('a','b')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking DATE.YRDAY(number, number) as date.yrday(string, string).]])

CHECK_EXPR_EVAL([xdate],
  [[xdate.date(date.mdy(6,10,1648) + time.hms(0,0,0)) / 86400], [23981.00]],
  [[xdate.date(date.mdy(6,30,1680) + time.hms(4,50,38)) / 86400], [35689.00]],
  [[xdate.date(date.mdy(7,24,1716) + time.hms(12,31,35)) / 86400], [48861.00]],
  [[xdate.date(date.mdy(6,19,1768) + time.hms(12,47,53)) / 86400], [67819.00]],
  [[xdate.date(date.mdy(8,2,1819) + time.hms(1,26,0)) / 86400], [86489.00]],
  [[xdate.date(date.mdy(3,27,1839) + time.hms(20,58,11)) / 86400], [93666.00]],
  [[xdate.date(date.mdy(4,19,1903) + time.hms(7,36,5)) / 86400], [117064.00]],
  [[xdate.date(date.mdy(8,25,1929) + time.hms(15,43,49)) / 86400], [126689.00]],
  [[xdate.date(date.mdy(9,29,1941) + time.hms(4,25,9)) / 86400], [131107.00]],
  [[xdate.date(date.mdy(4,19,1943) + time.hms(6,49,27)) / 86400], [131674.00]],
  [[xdate.date(date.mdy(10,7,1943) + time.hms(2,57,52)) / 86400], [131845.00]],
  [[xdate.date(date.mdy(3,17,1992) + time.hms(16,45,44)) / 86400], [149539.00]],
  [[xdate.date(date.mdy(2,25,1996) + time.hms(21,30,57)) / 86400], [150979.00]],
  [[xdate.date(date.mdy(9,29,41) + time.hms(4,25,9)) / 86400], [131107.00]],
  [[xdate.date(date.mdy(4,19,43) + time.hms(6,49,27)) / 86400], [131674.00]],
  [[xdate.date(date.mdy(10,7,43) + time.hms(2,57,52)) / 86400], [131845.00]],
  [[xdate.date(date.mdy(3,17,92) + time.hms(16,45,44)) / 86400], [149539.00]],
  [[xdate.date(date.mdy(2,25,96) + time.hms(21,30,57)) / 86400], [150979.00]],
  [[xdate.date(date.mdy(11,10,2038) + time.hms(22,30,4)) / 86400], [166578.00]],
  [[xdate.date(date.mdy(7,18,2094) + time.hms(1,56,51)) / 86400], [186917.00]],
  [[xdate.date(123.4)], [0.00]],
  [[xdate.date('')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking XDATE.DATE(number) as xdate.date(string).]],

  [[xdate.hour(date.mdy(6,10,1648) + time.hms(0,0,0))], [0.00]],
  [[xdate.hour(date.mdy(6,30,1680) + time.hms(4,50,38))], [4.00]],
  [[xdate.hour(date.mdy(7,24,1716) + time.hms(12,31,35))], [12.00]],
  [[xdate.hour(date.mdy(6,19,1768) + time.hms(12,47,53))], [12.00]],
  [[xdate.hour(date.mdy(8,2,1819) + time.hms(1,26,0))], [1.00]],
  [[xdate.hour(date.mdy(3,27,1839) + time.hms(20,58,11))], [20.00]],
  [[xdate.hour(date.mdy(4,19,1903) + time.hms(7,36,5))], [7.00]],
  [[xdate.hour(date.mdy(8,25,1929) + time.hms(15,43,49))], [15.00]],
  [[xdate.hour(date.mdy(9,29,1941) + time.hms(4,25,9))], [4.00]],
  [[xdate.hour(date.mdy(4,19,1943) + time.hms(6,49,27))], [6.00]],
  [[xdate.hour(date.mdy(10,7,1943) + time.hms(2,57,52))], [2.00]],
  [[xdate.hour(date.mdy(3,17,1992) + time.hms(16,45,44))], [16.00]],
  [[xdate.hour(date.mdy(2,25,1996) + time.hms(21,30,57))], [21.00]],
  [[xdate.hour(date.mdy(9,29,41) + time.hms(4,25,9))], [4.00]],
  [[xdate.hour(date.mdy(4,19,43) + time.hms(6,49,27))], [6.00]],
  [[xdate.hour(date.mdy(10,7,43) + time.hms(2,57,52))], [2.00]],
  [[xdate.hour(date.mdy(3,17,92) + time.hms(16,45,44))], [16.00]],
  [[xdate.hour(date.mdy(2,25,96) + time.hms(21,30,57))], [21.00]],
  [[xdate.hour(date.mdy(11,10,2038) + time.hms(22,30,4))], [22.00]],
  [[xdate.hour(date.mdy(7,18,2094) + time.hms(1,56,51))], [1.00]],
  [[xdate.hour(-1)], [-1.00]],
  [[xdate.hour(1)], [0.00]],
  [[xdate.hour($sysmis)], [sysmis]],
  [[xdate.hour('')], [error],
   [error: DEBUG EVALUATE: Type mismatch invoking XDATE.HOUR(number) as xdate.hour(string).]],

  [[xdate.jday(date.mdy(6,10,1648) + time.hms(0,0,0))], [162.00]],
  [[xdate.jday(date.mdy(6,30,1680) + time.hms(4,50,38))], [182.00]],
  [[xdate.jday(date.mdy(7,24,1716) + time.hms(12,31,35))], [206.00]],
  [[xdate.jday(date.mdy(6,19,1768) + time.hms(12,47,53))], [171.00]],
  [[xdate.jday(date.mdy(8,2,1819) + time.hms(1,26,0))], [214.00]],
  [[xdate.jday(date.mdy(3,27,1839) + time.hms(20,58,11))], [86.00]],
  [[xdate.jday(date.mdy(4,19,1903) + time.hms(7,36,5))], [109.00]],
  [[xdate.jday(date.mdy(8,25,1929) + time.hms(15,43,49))], [237.00]],
  [[xdate.jday(date.mdy(9,29,1941) + time.hms(4,25,9))], [272.00]],
  [[xdate.jday(date.mdy(4,19,1943) + time.hms(6,49,27))], [109.00]],
  [[xdate.jday(date.mdy(10,7,1943) + time.hms(2,57,52))], [280.00]],
  [[xdate.jday(date.mdy(3,17,1992) + time.hms(16,45,44))], [77.00]],
  [[xdate.jday(date.mdy(2,25,1996) + time.hms(21,30,57))], [56.00]],
  [[xdate.jday(date.mdy(9,29,41) + time.hms(4,25,9))], [272.00]],
  [[xdate.jday(date.mdy(4,19,43) + time.hms(6,49,27))], [109.00]],
  [[xdate.jday(date.mdy(10,7,43) + time.hms(2,57,52))], [280.00]],
  [[xdate.jday(date.mdy(3,17,92) + time.hms(16,45,44))], [77.00]],
  [[xdate.jday(date.mdy(2,25,96) + time.hms(21,30,57))], [56.00]],
  [[xdate.jday(date.mdy(11,10,2038) + time.hms(22,30,4))], [314.00]],
  [[xdate.jday(date.mdy(7,18,2094) + time.hms(1,56,51))], [199.00]],
  [[xdate.jday(0)], [sysmis]],
  [[xdate.jday(1)], [sysmis]],
  [[xdate.jday(86400)], [288.00]],

  [[xdate.mday(date.mdy(6,10,1648) + time.hms(0,0,0))], [10.00]],
  [[xdate.mday(date.mdy(6,30,1680) + time.hms(4,50,38))], [30.00]],
  [[xdate.mday(date.mdy(7,24,1716) + time.hms(12,31,35))], [24.00]],
  [[xdate.mday(date.mdy(6,19,1768) + time.hms(12,47,53))], [19.00]],
  [[xdate.mday(date.mdy(8,2,1819) + time.hms(1,26,0))], [2.00]],
  [[xdate.mday(date.mdy(3,27,1839) + time.hms(20,58,11))], [27.00]],
  [[xdate.mday(date.mdy(4,19,1903) + time.hms(7,36,5))], [19.00]],
  [[xdate.mday(date.mdy(8,25,1929) + time.hms(15,43,49))], [25.00]],
  [[xdate.mday(date.mdy(9,29,1941) + time.hms(4,25,9))], [29.00]],
  [[xdate.mday(date.mdy(4,19,1943) + time.hms(6,49,27))], [19.00]],
  [[xdate.mday(date.mdy(10,7,1943) + time.hms(2,57,52))], [7.00]],
  [[xdate.mday(date.mdy(3,17,1992) + time.hms(16,45,44))], [17.00]],
  [[xdate.mday(date.mdy(2,25,1996) + time.hms(21,30,57))], [25.00]],
  [[xdate.mday(date.mdy(9,29,41) + time.hms(4,25,9))], [29.00]],
  [[xdate.mday(date.mdy(4,19,43) + time.hms(6,49,27))], [19.00]],
  [[xdate.mday(date.mdy(10,7,43) + time.hms(2,57,52))], [7.00]],
  [[xdate.mday(date.mdy(3,17,92) + time.hms(16,45,44))], [17.00]],
  [[xdate.mday(date.mdy(2,25,96) + time.hms(21,30,57))], [25.00]],
  [[xdate.mday(date.mdy(11,10,2038) + time.hms(22,30,4))], [10.00]],
  [[xdate.mday(date.mdy(7,18,2094) + time.hms(1,56,51))], [18.00]],

  [[xdate.minute(date.mdy(6,10,1648) + time.hms(0,0,0))], [0.00]],
  [[xdate.minute(date.mdy(6,30,1680) + time.hms(4,50,38))], [50.00]],
  [[xdate.minute(date.mdy(7,24,1716) + time.hms(12,31,35))], [31.00]],
  [[xdate.minute(date.mdy(6,19,1768) + time.hms(12,47,53))], [47.00]],
  [[xdate.minute(date.mdy(8,2,1819) + time.hms(1,26,0))], [26.00]],
  [[xdate.minute(date.mdy(3,27,1839) + time.hms(20,58,11))], [58.00]],
  [[xdate.minute(date.mdy(4,19,1903) + time.hms(7,36,5))], [36.00]],
  [[xdate.minute(date.mdy(8,25,1929) + time.hms(15,43,49))], [43.00]],
  [[xdate.minute(date.mdy(9,29,1941) + time.hms(4,25,9))], [25.00]],
  [[xdate.minute(date.mdy(4,19,1943) + time.hms(6,49,27))], [49.00]],
  [[xdate.minute(date.mdy(10,7,1943) + time.hms(2,57,52))], [57.00]],
  [[xdate.minute(date.mdy(3,17,1992) + time.hms(16,45,44))], [45.00]],
  [[xdate.minute(date.mdy(2,25,1996) + time.hms(21,30,57))], [30.00]],
  [[xdate.minute(date.mdy(9,29,41) + time.hms(4,25,9))], [25.00]],
  [[xdate.minute(date.mdy(4,19,43) + time.hms(6,49,27))], [49.00]],
  [[xdate.minute(date.mdy(10,7,43) + time.hms(2,57,52))], [57.00]],
  [[xdate.minute(date.mdy(3,17,92) + time.hms(16,45,44))], [45.00]],
  [[xdate.minute(date.mdy(2,25,96) + time.hms(21,30,57))], [30.00]],
  [[xdate.minute(date.mdy(11,10,2038) + time.hms(22,30,4))], [30.00]],
  [[xdate.minute(date.mdy(7,18,2094) + time.hms(1,56,51))], [56.00]],

  [[xdate.month(date.mdy(6,10,1648) + time.hms(0,0,0))], [6.00]],
  [[xdate.month(date.mdy(6,30,1680) + time.hms(4,50,38))], [6.00]],
  [[xdate.month(date.mdy(7,24,1716) + time.hms(12,31,35))], [7.00]],
  [[xdate.month(date.mdy(6,19,1768) + time.hms(12,47,53))], [6.00]],
  [[xdate.month(date.mdy(8,2,1819) + time.hms(1,26,0))], [8.00]],
  [[xdate.month(date.mdy(3,27,1839) + time.hms(20,58,11))], [3.00]],
  [[xdate.month(date.mdy(4,19,1903) + time.hms(7,36,5))], [4.00]],
  [[xdate.month(date.mdy(8,25,1929) + time.hms(15,43,49))], [8.00]],
  [[xdate.month(date.mdy(9,29,1941) + time.hms(4,25,9))], [9.00]],
  [[xdate.month(date.mdy(4,19,1943) + time.hms(6,49,27))], [4.00]],
  [[xdate.month(date.mdy(10,7,1943) + time.hms(2,57,52))], [10.00]],
  [[xdate.month(date.mdy(3,17,1992) + time.hms(16,45,44))], [3.00]],
  [[xdate.month(date.mdy(2,25,1996) + time.hms(21,30,57))], [2.00]],
  [[xdate.month(date.mdy(9,29,41) + time.hms(4,25,9))], [9.00]],
  [[xdate.month(date.mdy(4,19,43) + time.hms(6,49,27))], [4.00]],
  [[xdate.month(date.mdy(10,7,43) + time.hms(2,57,52))], [10.00]],
  [[xdate.month(date.mdy(3,17,92) + time.hms(16,45,44))], [3.00]],
  [[xdate.month(date.mdy(2,25,96) + time.hms(21,30,57))], [2.00]],
  [[xdate.month(date.mdy(11,10,2038) + time.hms(22,30,4))], [11.00]],
  [[xdate.month(date.mdy(7,18,2094) + time.hms(1,56,51))], [7.00]],

  [[xdate.quarter(date.mdy(6,10,1648) + time.hms(0,0,0))], [2.00]],
  [[xdate.quarter(date.mdy(6,30,1680) + time.hms(4,50,38))], [2.00]],
  [[xdate.quarter(date.mdy(7,24,1716) + time.hms(12,31,35))], [3.00]],
  [[xdate.quarter(date.mdy(6,19,1768) + time.hms(12,47,53))], [2.00]],
  [[xdate.quarter(date.mdy(8,2,1819) + time.hms(1,26,0))], [3.00]],
  [[xdate.quarter(date.mdy(3,27,1839) + time.hms(20,58,11))], [1.00]],
  [[xdate.quarter(date.mdy(4,19,1903) + time.hms(7,36,5))], [2.00]],
  [[xdate.quarter(date.mdy(8,25,1929) + time.hms(15,43,49))], [3.00]],
  [[xdate.quarter(date.mdy(9,29,1941) + time.hms(4,25,9))], [3.00]],
  [[xdate.quarter(date.mdy(4,19,1943) + time.hms(6,49,27))], [2.00]],
  [[xdate.quarter(date.mdy(10,7,1943) + time.hms(2,57,52))], [4.00]],
  [[xdate.quarter(date.mdy(3,17,1992) + time.hms(16,45,44))], [1.00]],
  [[xdate.quarter(date.mdy(2,25,1996) + time.hms(21,30,57))], [1.00]],
  [[xdate.quarter(date.mdy(9,29,41) + time.hms(4,25,9))], [3.00]],
  [[xdate.quarter(date.mdy(4,19,43) + time.hms(6,49,27))], [2.00]],
  [[xdate.quarter(date.mdy(10,7,43) + time.hms(2,57,52))], [4.00]],
  [[xdate.quarter(date.mdy(3,17,92) + time.hms(16,45,44))], [1.00]],
  [[xdate.quarter(date.mdy(2,25,96) + time.hms(21,30,57))], [1.00]],
  [[xdate.quarter(date.mdy(11,10,2038) + time.hms(22,30,4))], [4.00]],
  [[xdate.quarter(date.mdy(7,18,2094) + time.hms(1,56,51))], [3.00]],

  [[xdate.second(date.mdy(6,10,1648) + time.hms(0,0,0))], [0.00]],
  [[xdate.second(date.mdy(6,30,1680) + time.hms(4,50,38))], [38.00]],
  [[xdate.second(date.mdy(7,24,1716) + time.hms(12,31,35))], [35.00]],
  [[xdate.second(date.mdy(6,19,1768) + time.hms(12,47,53))], [53.00]],
  [[xdate.second(date.mdy(8,2,1819) + time.hms(1,26,0))], [0.00]],
  [[xdate.second(date.mdy(3,27,1839) + time.hms(20,58,11))], [11.00]],
  [[xdate.second(date.mdy(4,19,1903) + time.hms(7,36,5))], [5.00]],
  [[xdate.second(date.mdy(8,25,1929) + time.hms(15,43,49))], [49.00]],
  [[xdate.second(date.mdy(9,29,1941) + time.hms(4,25,9))], [9.00]],
  [[xdate.second(date.mdy(4,19,1943) + time.hms(6,49,27))], [27.00]],
  [[xdate.second(date.mdy(10,7,1943) + time.hms(2,57,52))], [52.00]],
  [[xdate.second(date.mdy(3,17,1992) + time.hms(16,45,44))], [44.00]],
  [[xdate.second(date.mdy(2,25,1996) + time.hms(21,30,57))], [57.00]],
  [[xdate.second(date.mdy(9,29,41) + time.hms(4,25,9))], [9.00]],
  [[xdate.second(date.mdy(4,19,43) + time.hms(6,49,27))], [27.00]],
  [[xdate.second(date.mdy(10,7,43) + time.hms(2,57,52))], [52.00]],
  [[xdate.second(date.mdy(3,17,92) + time.hms(16,45,44))], [44.00]],
  [[xdate.second(date.mdy(2,25,96) + time.hms(21,30,57))], [57.00]],
  [[xdate.second(date.mdy(11,10,2038) + time.hms(22,30,4))], [4.00]],
  [[xdate.second(date.mdy(7,18,2094) + time.hms(1,56,51))], [51.00]],

  [[xdate.tday(date.mdy(6,10,1648) + time.hms(0,0,0))], [23981.00]],
  [[xdate.tday(date.mdy(6,30,1680) + time.hms(4,50,38))], [35689.00]],
  [[xdate.tday(date.mdy(7,24,1716) + time.hms(12,31,35))], [48861.00]],
  [[xdate.tday(date.mdy(6,19,1768) + time.hms(12,47,53))], [67819.00]],
  [[xdate.tday(date.mdy(8,2,1819) + time.hms(1,26,0))], [86489.00]],
  [[xdate.tday(date.mdy(3,27,1839) + time.hms(20,58,11))], [93666.00]],
  [[xdate.tday(date.mdy(4,19,1903) + time.hms(7,36,5))], [117064.00]],
  [[xdate.tday(date.mdy(8,25,1929) + time.hms(15,43,49))], [126689.00]],
  [[xdate.tday(date.mdy(9,29,1941) + time.hms(4,25,9))], [131107.00]],
  [[xdate.tday(date.mdy(4,19,1943) + time.hms(6,49,27))], [131674.00]],
  [[xdate.tday(date.mdy(10,7,1943) + time.hms(2,57,52))], [131845.00]],
  [[xdate.tday(date.mdy(3,17,1992) + time.hms(16,45,44))], [149539.00]],
  [[xdate.tday(date.mdy(2,25,1996) + time.hms(21,30,57))], [150979.00]],
  [[xdate.tday(date.mdy(9,29,41) + time.hms(4,25,9))], [131107.00]],
  [[xdate.tday(date.mdy(4,19,43) + time.hms(6,49,27))], [131674.00]],
  [[xdate.tday(date.mdy(10,7,43) + time.hms(2,57,52))], [131845.00]],
  [[xdate.tday(date.mdy(3,17,92) + time.hms(16,45,44))], [149539.00]],
  [[xdate.tday(date.mdy(2,25,96) + time.hms(21,30,57))], [150979.00]],
  [[xdate.tday(date.mdy(11,10,2038) + time.hms(22,30,4))], [166578.00]],
  [[xdate.tday(date.mdy(7,18,2094) + time.hms(1,56,51))], [186917.00]],

  [[xdate.time(date.mdy(6,10,1648) + time.hms(0,0,0))], [0.00]],
  [[xdate.time(date.mdy(6,30,1680) + time.hms(4,50,38))], [17438.00]],
  [[xdate.time(date.mdy(7,24,1716) + time.hms(12,31,35))], [45095.00]],
  [[xdate.time(date.mdy(6,19,1768) + time.hms(12,47,53))], [46073.00]],
  [[xdate.time(date.mdy(8,2,1819) + time.hms(1,26,0))], [5160.00]],
  [[xdate.time(date.mdy(3,27,1839) + time.hms(20,58,11))], [75491.00]],
  [[xdate.time(date.mdy(4,19,1903) + time.hms(7,36,5))], [27365.00]],
  [[xdate.time(date.mdy(8,25,1929) + time.hms(15,43,49))], [56629.00]],
  [[xdate.time(date.mdy(9,29,1941) + time.hms(4,25,9))], [15909.00]],
  [[xdate.time(date.mdy(4,19,1943) + time.hms(6,49,27))], [24567.00]],
  [[xdate.time(date.mdy(10,7,1943) + time.hms(2,57,52))], [10672.00]],
  [[xdate.time(date.mdy(3,17,1992) + time.hms(16,45,44))], [60344.00]],
  [[xdate.time(date.mdy(2,25,1996) + time.hms(21,30,57))], [77457.00]],
  [[xdate.time(date.mdy(9,29,41) + time.hms(4,25,9))], [15909.00]],
  [[xdate.time(date.mdy(4,19,43) + time.hms(6,49,27))], [24567.00]],
  [[xdate.time(date.mdy(10,7,43) + time.hms(2,57,52))], [10672.00]],
  [[xdate.time(date.mdy(3,17,92) + time.hms(16,45,44))], [60344.00]],
  [[xdate.time(date.mdy(2,25,96) + time.hms(21,30,57))], [77457.00]],
  [[xdate.time(date.mdy(11,10,2038) + time.hms(22,30,4))], [81004.00]],
  [[xdate.time(date.mdy(7,18,2094) + time.hms(1,56,51))], [7011.00]],

  [[xdate.week(date.mdy(6,10,1648) + time.hms(0,0,0))], [24.00]],
  [[xdate.week(date.mdy(6,30,1680) + time.hms(4,50,38))], [26.00]],
  [[xdate.week(date.mdy(7,24,1716) + time.hms(12,31,35))], [30.00]],
  [[xdate.week(date.mdy(6,19,1768) + time.hms(12,47,53))], [25.00]],
  [[xdate.week(date.mdy(8,2,1819) + time.hms(1,26,0))], [31.00]],
  [[xdate.week(date.mdy(3,27,1839) + time.hms(20,58,11))], [13.00]],
  [[xdate.week(date.mdy(4,19,1903) + time.hms(7,36,5))], [16.00]],
  [[xdate.week(date.mdy(8,25,1929) + time.hms(15,43,49))], [34.00]],
  [[xdate.week(date.mdy(9,29,1941) + time.hms(4,25,9))], [39.00]],
  [[xdate.week(date.mdy(4,19,1943) + time.hms(6,49,27))], [16.00]],
  [[xdate.week(date.mdy(10,7,1943) + time.hms(2,57,52))], [40.00]],
  [[xdate.week(date.mdy(3,17,1992) + time.hms(16,45,44))], [11.00]],
  [[xdate.week(date.mdy(2,25,1996) + time.hms(21,30,57))], [8.00]],
  [[xdate.week(date.mdy(9,29,41) + time.hms(4,25,9))], [39.00]],
  [[xdate.week(date.mdy(4,19,43) + time.hms(6,49,27))], [16.00]],
  [[xdate.week(date.mdy(10,7,43) + time.hms(2,57,52))], [40.00]],
  [[xdate.week(date.mdy(3,17,92) + time.hms(16,45,44))], [11.00]],
  [[xdate.week(date.mdy(2,25,96) + time.hms(21,30,57))], [8.00]],
  [[xdate.week(date.mdy(11,10,2038) + time.hms(22,30,4))], [45.00]],
  [[xdate.week(date.mdy(7,18,2094) + time.hms(1,56,51))], [29.00]],

  [[xdate.wkday(date.mdy(6,10,1648))], [4.00]],
  [[xdate.wkday(date.mdy(6,30,1680))], [1.00]],
  [[xdate.wkday(date.mdy(7,24,1716))], [6.00]],
  [[xdate.wkday(date.mdy(6,19,1768))], [1.00]],
  [[xdate.wkday(date.mdy(8,2,1819))], [2.00]],
  [[xdate.wkday(date.mdy(3,27,1839))], [4.00]],
  [[xdate.wkday(date.mdy(4,19,1903))], [1.00]],
  [[xdate.wkday(date.mdy(8,25,1929))], [1.00]],
  [[xdate.wkday(date.mdy(9,29,1941))], [2.00]],
  [[xdate.wkday(date.mdy(4,19,1943))], [2.00]],
  [[xdate.wkday(date.mdy(10,7,1943))], [5.00]],
  [[xdate.wkday(date.mdy(3,17,1992))], [3.00]],
  [[xdate.wkday(date.mdy(2,25,1996))], [1.00]],
  [[xdate.wkday(date.mdy(9,29,41))], [2.00]],
  [[xdate.wkday(date.mdy(4,19,43))], [2.00]],
  [[xdate.wkday(date.mdy(10,7,43))], [5.00]],
  [[xdate.wkday(date.mdy(3,17,92))], [3.00]],
  [[xdate.wkday(date.mdy(2,25,96))], [1.00]],
  [[xdate.wkday(date.mdy(11,10,2038))], [4.00]],
  [[xdate.wkday(date.mdy(7,18,2094))], [1.00]],

  [[xdate.year(date.mdy(6,10,1648) + time.hms(0,0,0))], [1648.00]],
  [[xdate.year(date.mdy(6,30,1680) + time.hms(4,50,38))], [1680.00]],
  [[xdate.year(date.mdy(7,24,1716) + time.hms(12,31,35))], [1716.00]],
  [[xdate.year(date.mdy(6,19,1768) + time.hms(12,47,53))], [1768.00]],
  [[xdate.year(date.mdy(8,2,1819) + time.hms(1,26,0))], [1819.00]],
  [[xdate.year(date.mdy(3,27,1839) + time.hms(20,58,11))], [1839.00]],
  [[xdate.year(date.mdy(4,19,1903) + time.hms(7,36,5))], [1903.00]],
  [[xdate.year(date.mdy(8,25,1929) + time.hms(15,43,49))], [1929.00]],
  [[xdate.year(date.mdy(9,29,1941) + time.hms(4,25,9))], [1941.00]],
  [[xdate.year(date.mdy(4,19,1943) + time.hms(6,49,27))], [1943.00]],
  [[xdate.year(date.mdy(10,7,1943) + time.hms(2,57,52))], [1943.00]],
  [[xdate.year(date.mdy(3,17,1992) + time.hms(16,45,44))], [1992.00]],
  [[xdate.year(date.mdy(2,25,1996) + time.hms(21,30,57))], [1996.00]],
  [[xdate.year(date.mdy(9,29,41) + time.hms(4,25,9))], [1941.00]],
  [[xdate.year(date.mdy(4,19,43) + time.hms(6,49,27))], [1943.00]],
  [[xdate.year(date.mdy(10,7,43) + time.hms(2,57,52))], [1943.00]],
  [[xdate.year(date.mdy(3,17,92) + time.hms(16,45,44))], [1992.00]],
  [[xdate.year(date.mdy(2,25,96) + time.hms(21,30,57))], [1996.00]],
  [[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]])

CHECK_EXPR_EVAL([datediff],
  [[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(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(10,7,1943), 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(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]])

CHECK_EXPR_EVAL([datesum],
dnl DATESUM with non-leap year
  [[ctime.days(datesum(date.mdy(1,31,1900), 1, 'months') - date.mdy(1,1,1900))], [58.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 2, 'months') - date.mdy(1,1,1900))], [89.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 3, 'months') - date.mdy(1,1,1900))], [119.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 4, 'months') - date.mdy(1,1,1900))], [150.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 5.4, 'months') - date.mdy(1,1,1900))], [180.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 6, 'months') - date.mdy(1,1,1900))], [211.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 7, 'months') - date.mdy(1,1,1900))], [242.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 8, 'months') - date.mdy(1,1,1900))], [272.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 9, 'months') - date.mdy(1,1,1900))], [303.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 10, 'months') - date.mdy(1,1,1900))], [333.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 11, 'months') - date.mdy(1,1,1900))], [364.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 12, 'months') - date.mdy(1,1,1900))], [395.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 13.9, 'months') - date.mdy(1,1,1900))], [423.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 1, 'months', 'rollover') - date.mdy(1,1,1900))], [61.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 2, 'months', 'rollover') - date.mdy(1,1,1900))], [89.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 3.2, 'months', 'rollover') - date.mdy(1,1,1900))], [120.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 4, 'months', 'rollover') - date.mdy(1,1,1900))], [150.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 5, 'months', 'rollover') - date.mdy(1,1,1900))], [181.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 6, 'months', 'rollover') - date.mdy(1,1,1900))], [211.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 7, 'months', 'rollover') - date.mdy(1,1,1900))], [242.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 8, 'months', 'rollover') - date.mdy(1,1,1900))], [273.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 9, 'months', 'rollover') - date.mdy(1,1,1900))], [303.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 10, 'months', 'rollover') - date.mdy(1,1,1900))], [334.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 11, 'months', 'rollover') - date.mdy(1,1,1900))], [364.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 12, 'months', 'rollover') - date.mdy(1,1,1900))], [395.00]],
  [[ctime.days(datesum(date.mdy(1,31,1900), 13, 'months', 'rollover') - date.mdy(1,1,1900))], [426.00]],

dnl DATESUM with leap year
  [[ctime.days(datesum(date.mdy(1,31,1904), 1, 'months') - date.mdy(1,1,1904))], [59.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 2.5, 'months') - date.mdy(1,1,1904))], [90.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 3, 'months') - date.mdy(1,1,1904))], [120.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 4.9, 'months') - date.mdy(1,1,1904))], [151.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 5.1, 'months') - date.mdy(1,1,1904))], [181.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 6, 'months') - date.mdy(1,1,1904))], [212.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 7, 'months') - date.mdy(1,1,1904))], [243.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 8, 'months') - date.mdy(1,1,1904))], [273.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 9, 'months') - date.mdy(1,1,1904))], [304.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 10, 'months') - date.mdy(1,1,1904))], [334.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 11, 'months') - date.mdy(1,1,1904))], [365.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 12, 'months') - date.mdy(1,1,1904))], [396.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 13, 'months') - date.mdy(1,1,1904))], [424.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 1, 'months', 'rollover') - date.mdy(1,1,1904))], [61.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 2, 'months', 'rollover') - date.mdy(1,1,1904))], [90.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 3, 'months', 'rollover') - date.mdy(1,1,1904))], [121.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 4, 'months', 'rollover') - date.mdy(1,1,1904))], [151.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 5, 'months', 'rollover') - date.mdy(1,1,1904))], [182.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 6, 'months', 'rollover') - date.mdy(1,1,1904))], [212.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 7, 'months', 'rollover') - date.mdy(1,1,1904))], [243.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 8, 'months', 'rollover') - date.mdy(1,1,1904))], [274.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 9, 'months', 'rollover') - date.mdy(1,1,1904))], [304.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 10, 'months', 'rollover') - date.mdy(1,1,1904))], [335.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 11, 'months', 'rollover') - date.mdy(1,1,1904))], [365.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 12, 'months', 'rollover') - date.mdy(1,1,1904))], [396.00]],
  [[ctime.days(datesum(date.mdy(1,31,1904), 13, 'months', 'rollover') - date.mdy(1,1,1904))], [427.00]],

  [[ctime.days(datesum(date.mdy(6,10,1648), 1, 'weeks') - date.mdy(6,10,1648))], [7.00]],
  [[ctime.days(datesum(date.mdy(6,30,1680), 2.5, 'weeks') - date.mdy(6,30,1680))], [17.50]],
  [[ctime.days(datesum(date.mdy(7,24,1716), -3, 'weeks') - date.mdy(7,24,1716))], [-21.00]],
  [[ctime.days(datesum(date.mdy(6,19,1768), 4, 'weeks') - date.mdy(6,19,1768))], [28.00]],
  [[ctime.days(datesum(date.mdy(8,2,1819), 5, 'weeks') - date.mdy(8,2,1819))], [35.00]],

  [[ctime.days(datesum(date.mdy(6,10,1648), 1, 'days') - date.mdy(6,10,1648))], [1.00]],
  [[ctime.days(datesum(date.mdy(6,30,1680), 2.5, 'days') - date.mdy(6,30,1680))], [2.50]],
  [[ctime.days(datesum(date.mdy(7,24,1716), -3, 'days') - date.mdy(7,24,1716))], [-3.00]],
  [[ctime.days(datesum(date.mdy(6,19,1768), 4, 'days') - date.mdy(6,19,1768))], [4.00]],
  [[ctime.days(datesum(date.mdy(8,2,1819), 5, 'days') - date.mdy(8,2,1819))], [5.00]],
  [[ctime.days(datesum(date.mdy(6,10,1648), 1, 'hours') - date.mdy(6,10,1648))], [0.04]],
  [[ctime.days(datesum(date.mdy(6,30,1680), 2.5, 'hours') - date.mdy(6,30,1680))], [0.10]],
  [[ctime.days(datesum(date.mdy(6,19,1768), -4, 'hours') - date.mdy(6,19,1768))], [-0.17]],
  [[ctime.days(datesum(date.mdy(8,2,1819), 5, 'hours') - date.mdy(8,2,1819))], [0.21]])

CHECK_EXPR_EVAL([miscellaneous],
dnl These test values are from Applied Statistics, Algorithm AS 310.
  [[1000 * ncdf.beta(.868,10,20,150)], [937.66]],
  [[1000 * ncdf.beta(.9,10,10,120)], [730.68]],
  [[1000 * ncdf.beta(.88,15,5,80)], [160.43]],
  [[1000 * ncdf.beta(.85,20,10,110)], [186.75]],
  [[1000 * ncdf.beta(.66,20,30,65)], [655.94]],
  [[1000 * ncdf.beta(.72,20,50,130)], [979.69]],
  [[1000 * ncdf.beta(.72,30,20,80)], [116.24]],
  [[1000 * ncdf.beta(.8,30,40,130)], [993.04]],

dnl FIXME: LAG
dnl
  [[X], [1.00], [], [(X = 1.00)]],
  [[SYSMIS(1)], [false]],
  [[SYSMIS($SYSMIS)], [true]],
  [[SYSMIS(1 + $SYSMIS)], [true]],

dnl FIXME: out-of-range and nearly out-of-range values on dates
dnl
dnl Tests correctness of generic optimizations in optimize_tree().
  [[x + 0], [10.00], [], [(X = 10.00)]],
  [[x - 0], [-3.00], [], [(X = -3.00)]],
  [[0 + x], [5.00], [], [(X = 5.00)]],
  [[x * 1], [10.00], [], [(X = 10.00)]],
  [[1 * x], [-3.00], [], [(X = -3.00)]],
  [[x / 1], [5.00], [], [(X = 5.00)]],
  [[0 * x], [0.00], [], [(X = 10.00)]],
  [[x * 0], [0.00], [], [(X = -3.00)]],
  [[0 / x], [0.00], [], [(X = 5.00)]],
  [[mod(0, x)], [0.00], [], [(X = 5.00)]],
  [[x ** 1], [5.00], [], [(X = 5.00)]],
  [[x ** 2], [25.00], [], [(X = 5.00)]])