| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.9 |
| |
| /// @assertion double tan(num radians) |
| /// Converts [radians] to a double and returns the tangent of the value. |
| /// |
| /// @description Checks set of values. |
| /// |
| /// @issue 26261 |
| /// @author msyabro |
| |
| |
| import "dart:math" as Math; |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| int vnum = 64; |
| var x = new List(64); |
| x[0] = -1.57079632679489660000; |
| x[1] = -1.52092977673791570000; |
| x[2] = -1.47106322668093490000; |
| x[3] = -1.42119667662395410000; |
| x[4] = -1.37133012656697330000; |
| x[5] = -1.32146357650999220000; |
| x[6] = -1.27159702645301140000; |
| x[7] = -1.22173047639603060000; |
| x[8] = -1.17186392633904980000; |
| x[9] = -1.12199737628206900000; |
| x[10] = -1.07213082622508820000; |
| x[11] = -1.02226427616810730000; |
| x[12] = -0.97239772611112640000; |
| x[13] = -0.92253117605414559000; |
| x[14] = -0.87266462599716477000; |
| x[15] = -0.82279807594018395000; |
| x[16] = -0.77293152588320302000; |
| x[17] = -0.72306497582622220000; |
| x[18] = -0.67319842576924138000; |
| x[19] = -0.62333187571226056000; |
| x[20] = -0.57346532565527975000; |
| x[21] = -0.52359877559829870000; |
| x[22] = -0.47373222554131811000; |
| x[23] = -0.42386567548433729000; |
| x[24] = -0.37399912542735625000; |
| x[25] = -0.32413257537037543000; |
| x[26] = -0.27426602531339461000; |
| x[27] = -0.22439947525641379000; |
| x[28] = -0.17453292519943298000; |
| x[29] = -0.12466637514245216000; |
| x[30] = -0.07479982508547133900; |
| x[31] = -0.02493327502849052000; |
| x[32] = 0.02493327502849052000; |
| x[33] = 0.07479982508547133900; |
| x[34] = 0.12466637514245216000; |
| x[35] = 0.17453292519943298000; |
| x[36] = 0.22439947525641379000; |
| x[37] = 0.27426602531339461000; |
| x[38] = 0.32413257537037543000; |
| x[39] = 0.37399912542735625000; |
| x[40] = 0.42386567548433707000; |
| x[41] = 0.47373222554131766000; |
| x[42] = 0.52359877559829915000; |
| x[43] = 0.57346532565527975000; |
| x[44] = 0.62333187571226034000; |
| x[45] = 0.67319842576924138000; |
| x[46] = 0.72306497582622198000; |
| x[47] = 0.77293152588320302000; |
| x[48] = 0.82279807594018406000; |
| x[49] = 0.87266462599716466000; |
| x[50] = 0.92253117605414570000; |
| x[51] = 0.97239772611112629000; |
| x[52] = 1.02226427616810730000; |
| x[53] = 1.07213082622508840000; |
| x[54] = 1.12199737628206900000; |
| x[55] = 1.17186392633905000000; |
| x[56] = 1.22173047639603060000; |
| x[57] = 1.27159702645301120000; |
| x[58] = 1.32146357650999220000; |
| x[59] = 1.37133012656697330000; |
| x[60] = 1.42119667662395390000; |
| x[61] = 1.47106322668093490000; |
| x[62] = 1.52092977673791550000; |
| x[63] = 1.57079632679489660000; |
| |
| |
| var y = new List(64); |
| y[0] = -16331239353195370.00000000000000000000; |
| y[1] = -20.03689788997828100000; |
| y[2] = -9.99349498241742220000; |
| y[3] = -6.63456649978931170000; |
| y[4] = -4.94671494494940060000; |
| y[5] = -3.92724714760272690000; |
| y[6] = -3.24192037576928720000; |
| y[7] = -2.74747741945462160000; |
| y[8] = -2.37228029184788760000; |
| y[9] = -2.07652139657233640000; |
| y[10] = -1.83630792973623100000; |
| y[11] = -1.63642745273401610000; |
| y[12] = -1.46673061342097340000; |
| y[13] = -1.32018331365488460000; |
| y[14] = -1.19175359259421000000; |
| y[15] = -1.07774368351222650000; |
| y[16] = -0.97537247158200291000; |
| y[17] = -0.88250523616465493000; |
| y[18] = -0.79747338888240393000; |
| y[19] = -0.71895103828786056000; |
| y[20] = -0.64586847728552887000; |
| y[21] = -0.57735026918962551000; |
| y[22] = -0.51267008667516678000; |
| y[23] = -0.45121718317830323000; |
| y[24] = -0.39247107881010240000; |
| y[25] = -0.33598213147817668000; |
| y[26] = -0.28135637451595324000; |
| y[27] = -0.22824347439014994000; |
| y[28] = -0.17632698070846500000; |
| y[29] = -0.12531625823730441000; |
| y[30] = -0.07493964001908703900; |
| y[31] = -0.02493844305504610100; |
| y[32] = 0.02493844305504610100; |
| y[33] = 0.07493964001908703900; |
| y[34] = 0.12531625823730441000; |
| y[35] = 0.17632698070846500000; |
| y[36] = 0.22824347439014994000; |
| y[37] = 0.28135637451595324000; |
| y[38] = 0.33598213147817668000; |
| y[39] = 0.39247107881010240000; |
| y[40] = 0.45121718317830301000; |
| y[41] = 0.51267008667516623000; |
| y[42] = 0.57735026918962618000; |
| y[43] = 0.64586847728552887000; |
| y[44] = 0.71895103828786022000; |
| y[45] = 0.79747338888240393000; |
| y[46] = 0.88250523616465459000; |
| y[47] = 0.97537247158200291000; |
| y[48] = 1.07774368351222670000; |
| y[49] = 1.19175359259420950000; |
| y[50] = 1.32018331365488510000; |
| y[51] = 1.46673061342097320000; |
| y[52] = 1.63642745273401610000; |
| y[53] = 1.83630792973623190000; |
| y[54] = 2.07652139657233640000; |
| y[55] = 2.37228029184788890000; |
| y[56] = 2.74747741945462160000; |
| y[57] = 3.24192037576928450000; |
| y[58] = 3.92724714760272690000; |
| y[59] = 4.94671494494940060000; |
| y[60] = 6.63456649978930190000; |
| y[61] = 9.99349498241742220000; |
| y[62] = 20.03689788997819200000; |
| y[63] = 16331239353195370.00000000000000000000; |
| |
| |
| for (int i = 0; i < vnum; i++) { |
| Expect.approxEquals(y[i], Math.tan(x[i]), 0.000000000000001); |
| } |
| } |