| 1 | test_arctan = ->
|
| 2 | run_test [
|
| 3 |
|
| 4 | "arctan(x)",
|
| 5 | "arctan(x)",
|
| 6 |
|
| 7 | "arctan(-x)",
|
| 8 | "-arctan(x)",
|
| 9 |
|
| 10 | "arctan(0)",
|
| 11 | "0",
|
| 12 |
|
| 13 | "arctan(tan(x))",
|
| 14 | "x",
|
| 15 |
|
| 16 | "arctan(1/sqrt(3))-pi/6", # 30 degrees
|
| 17 | "0",
|
| 18 |
|
| 19 | "arctan(1)-pi/4", # 45 degrees
|
| 20 | "0",
|
| 21 |
|
| 22 | "arctan(sqrt(3))-pi/3", # 60 degrees
|
| 23 | "0",
|
| 24 |
|
| 25 | "arctan(a-b)",
|
| 26 | "arctan(a-b)",
|
| 27 |
|
| 28 | "arctan(b-a)",
|
| 29 | "-arctan(a-b)",
|
| 30 |
|
| 31 | "arctan(tan(x))",
|
| 32 | "x",
|
| 33 | ]
|