-- {echo}
SELECT sqrt(-1) as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=1;
nan	0	1	0
SELECT sqrt(-1) as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=0;
nan	0	1	0
SELECT -inf as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=1;
-inf	0	1	0
SELECT -inf as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=0;
-inf	0	1	0
SELECT NULL as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=1;
\N	\N	\N	1
SELECT NULL as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=0;
\N	\N	\N	1
SELECT inf as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=1;
inf	0	1	0
SELECT inf as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=0;
inf	0	1	0
SELECT nan as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=1;
nan	0	1	0
SELECT nan as x, not(x), not(not(x)), (not(x)) IS NULL SETTINGS enable_analyzer=0;
nan	0	1	0