| // 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 sqrt(num x) |
| /// Converts [x] to a double and returns the positive square root of the value. |
| /// @description Checks set of values. |
| /// @author msyabro |
| /// @reviewer pagolubev |
| /// @3rdparty sputnik-v1: S15.8.2.17_A6.js |
| /// @needsreview Returned value precision is not specified. |
| /// Checks exact match with values calculated with LibC. |
| |
| |
| import "dart:math" as Math; |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| int vnum = 64; |
| var x = new List(64); |
| x[0] = 0.00000000000000000000; |
| x[1] = 0.25396825396825395000; |
| x[2] = 0.50793650793650791000; |
| x[3] = 0.76190476190476186000; |
| x[4] = 1.01587301587301580000; |
| x[5] = 1.26984126984126980000; |
| x[6] = 1.52380952380952370000; |
| x[7] = 1.77777777777777770000; |
| x[8] = 2.03174603174603160000; |
| x[9] = 2.28571428571428560000; |
| x[10] = 2.53968253968253950000; |
| x[11] = 2.79365079365079350000; |
| x[12] = 3.04761904761904740000; |
| x[13] = 3.30158730158730140000; |
| x[14] = 3.55555555555555540000; |
| x[15] = 3.80952380952380930000; |
| x[16] = 4.06349206349206330000; |
| x[17] = 4.31746031746031720000; |
| x[18] = 4.57142857142857120000; |
| x[19] = 4.82539682539682510000; |
| x[20] = 5.07936507936507910000; |
| x[21] = 5.33333333333333300000; |
| x[22] = 5.58730158730158700000; |
| x[23] = 5.84126984126984090000; |
| x[24] = 6.09523809523809490000; |
| x[25] = 6.34920634920634890000; |
| x[26] = 6.60317460317460280000; |
| x[27] = 6.85714285714285680000; |
| x[28] = 7.11111111111111070000; |
| x[29] = 7.36507936507936470000; |
| x[30] = 7.61904761904761860000; |
| x[31] = 7.87301587301587260000; |
| x[32] = 8.12698412698412650000; |
| x[33] = 8.38095238095238140000; |
| x[34] = 8.63492063492063440000; |
| x[35] = 8.88888888888888930000; |
| x[36] = 9.14285714285714230000; |
| x[37] = 9.39682539682539720000; |
| x[38] = 9.65079365079365030000; |
| x[39] = 9.90476190476190510000; |
| x[40] = 10.15873015873015800000; |
| x[41] = 10.41269841269841300000; |
| x[42] = 10.66666666666666600000; |
| x[43] = 10.92063492063492100000; |
| x[44] = 11.17460317460317400000; |
| x[45] = 11.42857142857142900000; |
| x[46] = 11.68253968253968200000; |
| x[47] = 11.93650793650793700000; |
| x[48] = 12.19047619047619000000; |
| x[49] = 12.44444444444444500000; |
| x[50] = 12.69841269841269800000; |
| x[51] = 12.95238095238095300000; |
| x[52] = 13.20634920634920600000; |
| x[53] = 13.46031746031746000000; |
| x[54] = 13.71428571428571400000; |
| x[55] = 13.96825396825396800000; |
| x[56] = 14.22222222222222100000; |
| x[57] = 14.47619047619047600000; |
| x[58] = 14.73015873015872900000; |
| x[59] = 14.98412698412698400000; |
| x[60] = 15.23809523809523700000; |
| x[61] = 15.49206349206349200000; |
| x[62] = 15.74603174603174500000; |
| x[63] = 16.00000000000000000000; |
| |
| |
| var y = new List(64); |
| y[0] = 0.00000000000000000000; |
| y[1] = 0.50395263067896967000; |
| y[2] = 0.71269664509979835000; |
| y[3] = 0.87287156094396945000; |
| y[4] = 1.00790526135793930000; |
| y[5] = 1.12687233963802200000; |
| y[6] = 1.23442679969673530000; |
| y[7] = 1.33333333333333330000; |
| y[8] = 1.42539329019959670000; |
| y[9] = 1.51185789203690880000; |
| y[10] = 1.59363814577919150000; |
| y[11] = 1.67142178807468980000; |
| y[12] = 1.74574312188793890000; |
| y[13] = 1.81702705031799170000; |
| y[14] = 1.88561808316412670000; |
| y[15] = 1.95180014589706640000; |
| y[16] = 2.01581052271587870000; |
| y[17] = 2.07784992659727900000; |
| y[18] = 2.13808993529939520000; |
| y[19] = 2.19667858946110380000; |
| y[20] = 2.25374467927604400000; |
| y[21] = 2.30940107675850290000; |
| y[22] = 2.36374736114111530000; |
| y[23] = 2.41687191246657520000; |
| y[24] = 2.46885359939347060000; |
| y[25] = 2.51976315339484810000; |
| y[26] = 2.56966429775848400000; |
| y[27] = 2.61861468283190830000; |
| y[28] = 2.66666666666666650000; |
| y[29] = 2.71386797119523940000; |
| y[30] = 2.76026223736941700000; |
| y[31] = 2.80588949764880670000; |
| y[32] = 2.85078658039919340000; |
| y[33] = 2.89498745782298350000; |
| y[34] = 2.93852354676981160000; |
| y[35] = 2.98142396999971960000; |
| y[36] = 3.02371578407381760000; |
| y[37] = 3.06542417893925380000; |
| y[38] = 3.10657265339049320000; |
| y[39] = 3.14718316987777280000; |
| y[40] = 3.18727629155838300000; |
| y[41] = 3.22687130401855570000; |
| y[42] = 3.26598632371090410000; |
| y[43] = 3.30463839483761390000; |
| y[44] = 3.34284357614937950000; |
| y[45] = 3.38061701891406630000; |
| y[46] = 3.41797303712883060000; |
| y[47] = 3.45492517089848670000; |
| y[48] = 3.49148624377587780000; |
| y[49] = 3.52766841475278750000; |
| y[50] = 3.56348322549899170000; |
| y[51] = 3.59894164336974940000; |
| y[52] = 3.63405410063598340000; |
| y[53] = 3.66883053033489940000; |
| y[54] = 3.70328039909020570000; |
| y[55] = 3.73741273720925400000; |
| y[56] = 3.77123616632825340000; |
| y[57] = 3.80475892484536750000; |
| y[58] = 3.83798889135426350000; |
| y[59] = 3.87093360626696680000; |
| y[60] = 3.90360029179413280000; |
| y[61] = 3.93599587043272870000; |
| y[62] = 3.96812698209517300000; |
| y[63] = 4.00000000000000000000; |
| |
| for (int i = 0; i < vnum; i++) { |
| Expect.equals(y[i], Math.sqrt(x[i])); |
| } |
| } |