TDengine/tests/army/query/function/ans/ln.csv

1	taos> select LN(100)
2	ln(100) |
3	============================
4	4.60517018598809 |
5	taos> select LN(1.5)
6	ln(1.5) |
7	============================
8	0.405465108108164 |
9	taos> select LN(100)
10	ln(100) |
11	============================
12	4.60517018598809 |
13	taos> select LN(100) + 1
14	ln(100) + 1 |
15	============================
16	5.60517018598809 |
17	taos> select LN(100) - 1
18	ln(100) - 1 |
19	============================
20	3.60517018598809 |
21	taos> select LN(100) * 1
22	ln(100) * 1 |
23	============================
24	4.60517018598809 |
25	taos> select LN(100) / 1
26	ln(100) / 1 |
27	============================
28	4.60517018598809 |
29	taos> select LN(100) from ts_4893.meters limit 5
30	ln(100) |
31	============================
32	4.60517018598809 |
33	4.60517018598809 |
34	4.60517018598809 |
35	4.60517018598809 |
36	4.60517018598809 |
37	taos> select LN(100) + 1 from ts_4893.meters limit 1
38	ln(100) + 1 |
39	============================
40	5.60517018598809 |
41	taos> select LN(100) - 1 from ts_4893.meters limit 1
42	ln(100) - 1 |
43	============================
44	3.60517018598809 |
45	taos> select LN(100) * 2 from ts_4893.meters limit 1
46	ln(100) * 2 |
47	============================
48	9.21034037197618 |
49	taos> select LN(100) / 2 from ts_4893.meters limit 1
50	ln(100) / 2 |
51	============================
52	2.30258509299405 |
53	taos> select LN(2) + LN(100) from ts_4893.meters limit 1
54	ln(2) + ln(100) |
55	============================
56	5.29831736654804 |
57	taos> select LN(2) - LN(100) from ts_4893.meters limit 1
58	ln(2) - ln(100) |
59	============================
60	-3.91202300542815 |
61	taos> select LN(2) * LN(100) from ts_4893.meters limit 1
62	ln(2) * ln(100) |
63	============================
64	3.19206073041636 |
65	taos> select LN(2) / LN(100) from ts_4893.meters limit 1
66	ln(2) / ln(100) |
67	============================
68	0.150514997831991 |
69	taos> select LN(100) + id from ts_4893.meters order by ts limit 5
70	ln(100) + id |
71	============================
72	4.60517018598809 |
73	5.60517018598809 |
74	6.60517018598809 |
75	7.60517018598809 |
76	8.60517018598809 |
77	taos> select LN(id + 1) + id from ts_4893.meters order by ts limit 5
78	ln(id + 1) + id |
79	============================
80	0 |
81	1.69314718055995 |
82	3.09861228866811 |
83	4.38629436111989 |
84	5.6094379124341 |
85	taos> select ln(null)
86	ln(null) |
87	============================
88	NULL |
89	taos> select ln(0)
90	ln(0) |
91	============================
92	NULL |
93	taos> select ln(-5)
94	ln(-5) |
95	============================
96	NULL |
97	taos> select abs(LN(10))
98	abs(ln(10)) |
99	============================
100	2.30258509299405 |
101	============================
102	5.3018981104784 |
103	taos> select sqrt(LN(10))
104	sqrt(ln(10)) |
105	============================
106	1.51742712938515 |
107	taos> select cast(LN(10) as int)
108	cast(ln(10) as int) |
109	======================
110	2 |
111	taos> select LN(sqrt(id) + 1) from ts_4893.meters order by ts limit 5
112	ln(sqrt(id) + 1) |
113	============================
114	0 |
115	0.693147180559945 |
116	0.881373587019543 |
117	1.00505253874238 |
118	1.09861228866811 |
119	taos> select LN(LN(LN(LN(10000))))
120	ln(ln(ln(ln(10000)))) |
121	============================
122	-0.226079864157595 |
123	taos> select LN(EXP(2))
124	ln(exp(2)) |
125	============================
126	2 |
127	taos> select ln(10)
128	ln(10) |
129	============================
130	2.30258509299405 |
131	taos> select ln(pi())
132	ln(pi()) |
133	============================
134	1.1447298858494 |
135	taos> select ln(current) from ts_4893.d0 order by ts limit 10
136	ln(current) |
137	============================
138	2.36555985633668 |
139	2.14873440999775 |
140	2.28187205918557 |
141	2.41885585700037 |
142	2.37080436261419 |
143	2.14100694127785 |
144	2.26134631556023 |
145	2.39443473688013 |
146	2.41823250156841 |
147	2.33572968125342 |
148	taos> select ln(current) from ts_4893.meters order by ts limit 10
149	ln(current) |
150	============================
151	2.36555985633668 |
152	2.14873440999775 |
153	2.28187205918557 |
154	2.41885585700037 |
155	2.37080436261419 |
156	2.14100694127785 |
157	2.26134631556023 |
158	2.39443473688013 |
159	2.41823250156841 |
160	2.33572968125342 |
161	taos> select ln(1)
162	ln(1) |
163	============================
164	0 |
165	taos> select ln(20)
166	ln(20) |
167	============================
168	2.99573227355399 |
169	taos> select ln(100)
170	ln(100) |
171	============================
172	4.60517018598809 |
173	taos> select ln(99999999999999)
174	ln(99999999999999) |
175	============================
176	32.2361913019166 |
177	taos> select ln(0.1)
178	ln(0.1) |
179	============================
180	-2.30258509299405 |
181	taos> select ln(2.718)
182	ln(2.718) |
183	============================
184	0.999896315728952 |
185	taos> select ln(exp(1))
186	ln(exp(1)) |
187	============================
188	1 |
189	taos> select ln(voltage) from ts_4893.meters where voltage > 0 limit 1
190	ln(voltage) |
191	============================
192	5.39816270151775 |
193	taos> select ln(current) from ts_4893.meters where current > 0 limit 1
194	ln(current) |
195	============================
196	2.36555985633668 |
197	taos> select ln(phase) from ts_4893.meters where phase > 0 limit 1
198	ln(phase) |
199	============================
200	-0.675507636551043 |
201	taos> select ln(exp(voltage)) from ts_4893.meters where voltage > 0 limit 1
202	ln(exp(voltage)) |
203	============================
204	221 |
205	taos> select ln(abs(current)) from ts_4893.meters where current != 0 limit 1
206	ln(abs(current)) |
207	============================
208	2.36555985633668 |
209	taos> select ln(sqrt(phase)) from ts_4893.meters where phase >= 0 limit 1
210	ln(sqrt(phase)) |
211	============================
212	-0.337753818275521 |
213	taos> select ln(log(current)) from ts_4893.meters where current > 1 limit 1
214	ln(log(current)) |
215	============================
216	0.861014719652538 |