-- float div to scalar lhs
SELECT vec_div(5::float, floats) FROM measurements WHERE sensor_id IN (4);
   vec_div    
--------------
 {5,NULL,2.5}
(1 row)

-- float div to scalar rhs
SELECT vec_div(floats, 5::float) FROM measurements WHERE sensor_id IN (4);
    vec_div     
----------------
 {0.2,NULL,0.4}
(1 row)

-- float div to array
SELECT vec_div(floats, floats) FROM measurements WHERE sensor_id IN (4);
  vec_div   
------------
 {1,NULL,1}
(1 row)

-- float div to null scalar lhs
SELECT vec_div(NULL::float, floats) FROM measurements WHERE sensor_id IN (4);
     vec_div      
------------------
 {NULL,NULL,NULL}
(1 row)

-- float div to null scalar rhs
SELECT vec_div(floats, NULL::float) FROM measurements WHERE sensor_id IN (4);
     vec_div      
------------------
 {NULL,NULL,NULL}
(1 row)

-- float div scalar to null array lhs
SELECT vec_div(5::float, NULL::float[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- float div scalar to null array rhs
SELECT vec_div(NULL::float[], 5::float) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- float div to null array lhs
SELECT vec_div(floats, NULL::float[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- float div to null array rhs
SELECT vec_div(NULL::float[], floats) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- null float div to null scalar lhs
SELECT vec_div(NULL::float, NULL::float[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- null float div to null scalar rhs
SELECT vec_div(NULL::float[], NULL::float) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- null float div to null array
SELECT vec_div(NULL::float[], NULL::float[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- int div to scalar lhs
SELECT vec_div(5::int, ints) FROM measurements WHERE sensor_id IN (4);
  vec_div   
------------
 {5,NULL,2}
(1 row)

-- int div to scalar rhs
SELECT vec_div(ints, 5::int) FROM measurements WHERE sensor_id IN (4);
  vec_div   
------------
 {0,NULL,0}
(1 row)

-- int div to array
SELECT vec_div(ints, ints) FROM measurements WHERE sensor_id IN (4);
  vec_div   
------------
 {1,NULL,1}
(1 row)

-- int div to null scalar lhs
SELECT vec_div(NULL::int, ints) FROM measurements WHERE sensor_id IN (4);
     vec_div      
------------------
 {NULL,NULL,NULL}
(1 row)

-- int div to null scalar rhs
SELECT vec_div(ints, NULL::int) FROM measurements WHERE sensor_id IN (4);
     vec_div      
------------------
 {NULL,NULL,NULL}
(1 row)

-- int div scalar to null array lhs
SELECT vec_div(5::int, NULL::int[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- int div scalar to null array rhs
SELECT vec_div(NULL::int[], 5::int) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- int div to null array lhs
SELECT vec_div(ints, NULL::int[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- int div to null array rhs
SELECT vec_div(NULL::int[], ints) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- null int div to null scalar lhs
SELECT vec_div(NULL::int, NULL::int[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- null int div to null scalar rhs
SELECT vec_div(NULL::int[], NULL::int) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)

-- null int div to null array
SELECT vec_div(NULL::int[], NULL::int[]) FROM measurements WHERE sensor_id IN (4);
 vec_div 
---------
 
(1 row)