SELECT '[1,2,3]'::intvec;
 intvec  
---------
 [1,2,3]
(1 row)

SELECT '[-1,-2,-3]'::intvec;
   intvec   
------------
 [-1,-2,-3]
(1 row)

SELECT ' [ 1,  2 ,    3  ] '::intvec;
 intvec  
---------
 [1,2,3]
(1 row)

SELECT '[1.23456]'::intvec;
ERROR:  invalid input syntax for type intvec: "[1.23456]"
LINE 1: SELECT '[1.23456]'::intvec;
               ^
SELECT '[hello,1]'::intvec;
ERROR:  invalid input syntax for type intvec: "[hello,1]"
LINE 1: SELECT '[hello,1]'::intvec;
               ^
SELECT '[127,-128]'::intvec;
   intvec   
------------
 [127,-128]
(1 row)

SELECT '[128,-129]'::intvec;
ERROR:  "128" is out of range for type intvec
LINE 1: SELECT '[128,-129]'::intvec;
               ^
SELECT '[1,2,3'::intvec;
ERROR:  invalid input syntax for type intvec: "[1,2,3"
LINE 1: SELECT '[1,2,3'::intvec;
               ^
SELECT '[1,2,3]9'::intvec;
ERROR:  invalid input syntax for type intvec: "[1,2,3]9"
LINE 1: SELECT '[1,2,3]9'::intvec;
               ^
DETAIL:  Junk after closing right brace.
SELECT '1,2,3'::intvec;
ERROR:  invalid input syntax for type intvec: "1,2,3"
LINE 1: SELECT '1,2,3'::intvec;
               ^
DETAIL:  Vector contents must start with "[".
SELECT ''::intvec;
ERROR:  invalid input syntax for type intvec: ""
LINE 1: SELECT ''::intvec;
               ^
DETAIL:  Vector contents must start with "[".
SELECT '['::intvec;
ERROR:  invalid input syntax for type intvec: "["
LINE 1: SELECT '['::intvec;
               ^
SELECT '[,'::intvec;
ERROR:  invalid input syntax for type intvec: "[,"
LINE 1: SELECT '[,'::intvec;
               ^
SELECT '[]'::intvec;
ERROR:  intvec must have at least 1 dimension
LINE 1: SELECT '[]'::intvec;
               ^
SELECT '[1,]'::intvec;
ERROR:  invalid input syntax for type intvec: "[1,]"
LINE 1: SELECT '[1,]'::intvec;
               ^
SELECT '[1a]'::intvec;
ERROR:  invalid input syntax for type intvec: "[1a]"
LINE 1: SELECT '[1a]'::intvec;
               ^
SELECT '[1,,3]'::intvec;
ERROR:  invalid input syntax for type intvec: "[1,,3]"
LINE 1: SELECT '[1,,3]'::intvec;
               ^
SELECT '[1, ,3]'::intvec;
ERROR:  invalid input syntax for type intvec: "[1, ,3]"
LINE 1: SELECT '[1, ,3]'::intvec;
               ^
SELECT '[1,2,3]'::intvec(3);
 intvec  
---------
 [1,2,3]
(1 row)

SELECT '[1,2,3]'::intvec(2);
ERROR:  expected 2 dimensions, not 3
SELECT '[1,2,3]'::intvec(3, 2);
ERROR:  invalid type modifier
LINE 1: SELECT '[1,2,3]'::intvec(3, 2);
                          ^
SELECT '[1,2,3]'::intvec('a');
ERROR:  invalid input syntax for type integer: "a"
LINE 1: SELECT '[1,2,3]'::intvec('a');
                          ^
SELECT '[1,2,3]'::intvec(0);
ERROR:  dimensions for type intvec must be at least 1
LINE 1: SELECT '[1,2,3]'::intvec(0);
                          ^
SELECT '[1,2,3]'::intvec(16001);
ERROR:  dimensions for type intvec cannot exceed 16000
LINE 1: SELECT '[1,2,3]'::intvec(16001);
                          ^
SELECT unnest('{"[1,2,3]", "[4,5,6]"}'::intvec[]);
 unnest  
---------
 [1,2,3]
 [4,5,6]
(2 rows)

SELECT '{"[1,2,3]"}'::intvec(2)[];
ERROR:  expected 2 dimensions, not 3
SELECT '[1,2,3]'::intvec < '[1,2,3]';
 ?column? 
----------
 f
(1 row)

SELECT '[1,2,3]'::intvec < '[1,2]';
 ?column? 
----------
 f
(1 row)

SELECT '[1,2,3]'::intvec <= '[1,2,3]';
 ?column? 
----------
 t
(1 row)

SELECT '[1,2,3]'::intvec <= '[1,2]';
 ?column? 
----------
 f
(1 row)

SELECT '[1,2,3]'::intvec = '[1,2,3]';
 ?column? 
----------
 t
(1 row)

SELECT '[1,2,3]'::intvec = '[1,2]';
 ?column? 
----------
 f
(1 row)

SELECT '[1,2,3]'::intvec != '[1,2,3]';
 ?column? 
----------
 f
(1 row)

SELECT '[1,2,3]'::intvec != '[1,2]';
 ?column? 
----------
 t
(1 row)

SELECT '[1,2,3]'::intvec >= '[1,2,3]';
 ?column? 
----------
 t
(1 row)

SELECT '[1,2,3]'::intvec >= '[1,2]';
 ?column? 
----------
 t
(1 row)

SELECT '[1,2,3]'::intvec > '[1,2,3]';
 ?column? 
----------
 f
(1 row)

SELECT '[1,2,3]'::intvec > '[1,2]';
 ?column? 
----------
 t
(1 row)

SELECT intvec_cmp('[1,2,3]', '[1,2,3]');
 intvec_cmp 
------------
          0
(1 row)

SELECT intvec_cmp('[1,2,3]', '[0,0,0]');
 intvec_cmp 
------------
          1
(1 row)

SELECT intvec_cmp('[0,0,0]', '[1,2,3]');
 intvec_cmp 
------------
         -1
(1 row)

SELECT intvec_cmp('[1,2]', '[1,2,3]');
 intvec_cmp 
------------
         -1
(1 row)

SELECT intvec_cmp('[1,2,3]', '[1,2]');
 intvec_cmp 
------------
          1
(1 row)

SELECT intvec_cmp('[1,2]', '[2,3,4]');
 intvec_cmp 
------------
         -1
(1 row)

SELECT intvec_cmp('[2,3]', '[1,2,3]');
 intvec_cmp 
------------
          1
(1 row)

SELECT vector_dims('[1,2,3]'::intvec);
 vector_dims 
-------------
           3
(1 row)

SELECT l2_distance('[0,0]'::intvec, '[3,4]');
 l2_distance 
-------------
           5
(1 row)

SELECT l2_distance('[0,0]'::intvec, '[0,1]');
 l2_distance 
-------------
           1
(1 row)

SELECT l2_distance('[1,2]'::intvec, '[3]');
ERROR:  different intvec dimensions 2 and 1
SELECT '[0,0]'::intvec <-> '[3,4]';
 ?column? 
----------
        5
(1 row)

SELECT inner_product('[1,2]'::intvec, '[3,4]');
 inner_product 
---------------
            11
(1 row)

SELECT inner_product('[1,2]'::intvec, '[3]');
ERROR:  different intvec dimensions 2 and 1
SELECT inner_product('[127]'::intvec, '[127]');
 inner_product 
---------------
         16129
(1 row)

SELECT '[1,2]'::intvec <#> '[3,4]';
 ?column? 
----------
      -11
(1 row)

SELECT cosine_distance('[1,2]'::intvec, '[2,4]');
 cosine_distance 
-----------------
               0
(1 row)

SELECT cosine_distance('[1,2]'::intvec, '[0,0]');
 cosine_distance 
-----------------
             NaN
(1 row)

SELECT cosine_distance('[1,1]'::intvec, '[1,1]');
 cosine_distance 
-----------------
               0
(1 row)

SELECT cosine_distance('[1,0]'::intvec, '[0,2]');
 cosine_distance 
-----------------
               1
(1 row)

SELECT cosine_distance('[1,1]'::intvec, '[-1,-1]');
 cosine_distance 
-----------------
               2
(1 row)

SELECT cosine_distance('[1,2]'::intvec, '[3]');
ERROR:  different intvec dimensions 2 and 1
SELECT '[1,2]'::intvec <=> '[2,4]';
 ?column? 
----------
        0
(1 row)

SELECT l1_distance('[0,0]'::intvec, '[3,4]');
 l1_distance 
-------------
           7
(1 row)

SELECT l1_distance('[0,0]'::intvec, '[0,1]');
 l1_distance 
-------------
           1
(1 row)

SELECT l1_distance('[1,2]'::intvec, '[3]');
ERROR:  different intvec dimensions 2 and 1