Added test [#CLICKHOUSE-2].

dbms/tests/queries/0_stateless/00516_is_inf_nan.reference

+0	1	0	0
+1	1	0	0
+-1	1	0	0
+inf	0	1	0
+-inf	0	1	0
+nan	0	0	1
+nan	0	0	1
+nan	0	0	1
+inf	0	1	0
+-inf	0	1	0
+nan	0	0	1
+nan	0	0	1
+-inf	0	1	0
+inf	0	1	0
+0	1	0	0
+1	1	0	0
+-1	1	0	0
+inf	0	1	0
+-inf	0	1	0
+nan	0	0	1
+nan	0	0	1
+nan	0	0	1
+inf	0	1	0
+-inf	0	1	0
+nan	0	0	1
+nan	0	0	1
+-inf	0	1	0
+inf	0	1	0

dbms/tests/queries/0_stateless/00516_is_inf_nan.sql

+SELECT x, isFinite(x), isInfinite(x), isNaN(x) FROM (SELECT arrayJoin([0, 1, -1, inf, -inf, nan, -nan, 0 / 0, 1 / 0, -1 / 0, 0 / -0., -0. / 0, 1 / -0., -1 / -0.]) AS x);
+SELECT x, isFinite(x), isInfinite(x), isNaN(x) FROM (SELECT toFloat32(arrayJoin([0, 1, -1, inf, -inf, nan, -nan, 0 / 0, 1 / 0, -1 / 0, 0 / -0., -0. / 0, 1 / -0., -1 / -0.])) AS x);
\ No newline at end of file