SELECT '(0,1.5),(2,3.5)|5|'::svector;
      svector       
--------------------
 (0,1.5),(2,3.5)|5|
(1 row)

SELECT '(0,1.5),(2,3.5)|5|'::svector::vector;
     vector      
-----------------
 [1.5,0,3.5,0,0]
(1 row)

SELECT '(0,1.5),(2,3.5)|5|'::svector::vector(5);
     vector      
-----------------
 [1.5,0,3.5,0,0]
(1 row)

SELECT '(0,1.5),(2,3.5)|5|'::svector::vector(4);
ERROR:  expected 4 dimensions, not 5
SELECT '[0,1.5,0,3.5,0]'::vector::svector;
      svector       
--------------------
 (1,1.5),(3,3.5)|5|
(1 row)

SELECT '(0,0),(1,1),(2,0)|3|'::svector;
       svector        
----------------------
 (0,0),(1,1),(2,0)|3|
(1 row)

SELECT '|5|'::svector;
 svector 
---------
 |5|
(1 row)

SELECT '|-1|'::svector;
ERROR:  svector must have at least 1 dimension
LINE 1: SELECT '|-1|'::svector;
               ^
SELECT '|100001|'::svector;
ERROR:  svector cannot have more than 100000 dimensions
LINE 1: SELECT '|100001|'::svector;
               ^
SELECT '|16001|'::svector::vector;
ERROR:  vector cannot have more than 16000 dimensions
SELECT '(-1,1)|1|'::svector;
ERROR:  index must not be negative
LINE 1: SELECT '(-1,1)|1|'::svector;
               ^
SELECT '(1,1)|1|'::svector;
ERROR:  index must be less than dimensions
LINE 1: SELECT '(1,1)|1|'::svector;
               ^
SELECT '|1|'::svector(2);
ERROR:  expected 2 dimensions, not 1
SELECT l2_distance('|2|'::svector, '(0,3),(1,4)|2|');
 l2_distance 
-------------
           5
(1 row)

SELECT l2_distance('|2|'::svector, '(1,1)|2|');
 l2_distance 
-------------
           1
(1 row)

SELECT '|2|'::svector <-> '(0,3),(1,4)|2|';
 ?column? 
----------
        5
(1 row)

SELECT inner_product('(0,1),(1,2)|2|'::svector, '(0,2),(1,4)|2|');
 inner_product 
---------------
            10
(1 row)

SELECT svector_negative_inner_product('(0,1),(1,2)|2|', '(0,2),(1,4)|2|');
 svector_negative_inner_product 
--------------------------------
                            -10
(1 row)

SELECT cosine_distance('(0,1),(1,2)|2|'::svector, '(0,2),(1,4)|2|');
 cosine_distance 
-----------------
               0
(1 row)

SELECT cosine_distance('(0,1),(1,2)|2|'::svector, '|2|');
 cosine_distance 
-----------------
             NaN
(1 row)

SELECT cosine_distance('(0,1),(1,1)|2|'::svector, '(0,-1),(1,-1)|2|');
 cosine_distance 
-----------------
               2
(1 row)

SELECT cosine_distance('(0,1)|2|'::svector, '(1,2)|2|');
 cosine_distance 
-----------------
               1
(1 row)

SELECT cosine_distance('|1|'::svector, '|1|');
 cosine_distance 
-----------------
             NaN
(1 row)

SELECT cosine_distance('(0,1)|2|'::svector, '(0,1)|3|');
ERROR:  different svector dimensions 2 and 3
SELECT jaccard_distance('(0,1)|2|', '(0,1)|2|');
 jaccard_distance 
------------------
                0
(1 row)

SELECT jaccard_distance('(0,1)|2|', '(1,1)|2|');
 jaccard_distance 
------------------
                1
(1 row)

SELECT jaccard_distance('|1|', '|1|');
 jaccard_distance 
------------------
              NaN
(1 row)

SELECT jaccard_distance('(0,1)|2|', '(0,1)|3|');
ERROR:  different svector dimensions 2 and 3