mirror of https://github.com/tc39/test262.git
232 lines
7.2 KiB
JavaScript
232 lines
7.2 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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info: >
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Math.atan2, recommended that implementations use the approximation
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algorithms for IEEE 754 arithmetic contained in fdlibm
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es5id: 15.8.2.5_A24
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description: >
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Checking if Math.atan2(argument1, argument2) is approximately
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equals to its mathematical values on the set of 64 argument1
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values and 64 argument2 values; all the sample values is
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calculated with LibC
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includes:
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- math_precision.js
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- math_isequal.js
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---*/
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// CHECK#1
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vnum = 64;
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var x1 = new Array();
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x1[0] = -16.00000000000000000000;
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x1[1] = -15.49206349206349200000;
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x1[2] = -14.98412698412698400000;
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x1[3] = -14.47619047619047600000;
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x1[4] = -13.96825396825396800000;
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x1[5] = -13.46031746031746000000;
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x1[6] = -12.95238095238095300000;
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x1[7] = -12.44444444444444500000;
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x1[8] = -11.93650793650793700000;
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x1[9] = -11.42857142857142900000;
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x1[10] = -10.92063492063492100000;
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x1[11] = -10.41269841269841300000;
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x1[12] = -9.90476190476190510000;
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x1[13] = -9.39682539682539720000;
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x1[14] = -8.88888888888888930000;
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x1[15] = -8.38095238095238140000;
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x1[16] = -7.87301587301587350000;
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x1[17] = -7.36507936507936560000;
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x1[18] = -6.85714285714285770000;
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x1[19] = -6.34920634920634970000;
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x1[20] = -5.84126984126984180000;
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x1[21] = -5.33333333333333390000;
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x1[22] = -4.82539682539682600000;
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x1[23] = -4.31746031746031810000;
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x1[24] = -3.80952380952381020000;
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x1[25] = -3.30158730158730230000;
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x1[26] = -2.79365079365079440000;
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x1[27] = -2.28571428571428650000;
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x1[28] = -1.77777777777777860000;
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x1[29] = -1.26984126984127070000;
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x1[30] = -0.76190476190476275000;
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x1[31] = -0.25396825396825484000;
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x1[32] = 0.25396825396825307000;
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x1[33] = 0.76190476190476275000;
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x1[34] = 1.26984126984126890000;
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x1[35] = 1.77777777777777860000;
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x1[36] = 2.28571428571428470000;
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x1[37] = 2.79365079365079440000;
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x1[38] = 3.30158730158730050000;
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x1[39] = 3.80952380952381020000;
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x1[40] = 4.31746031746031630000;
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x1[41] = 4.82539682539682600000;
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x1[42] = 5.33333333333333210000;
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x1[43] = 5.84126984126984180000;
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x1[44] = 6.34920634920634800000;
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x1[45] = 6.85714285714285770000;
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x1[46] = 7.36507936507936380000;
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x1[47] = 7.87301587301587350000;
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x1[48] = 8.38095238095237960000;
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x1[49] = 8.88888888888888930000;
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x1[50] = 9.39682539682539540000;
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x1[51] = 9.90476190476190510000;
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x1[52] = 10.41269841269841100000;
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x1[53] = 10.92063492063492100000;
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x1[54] = 11.42857142857142700000;
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x1[55] = 11.93650793650793700000;
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x1[56] = 12.44444444444444300000;
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x1[57] = 12.95238095238095300000;
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x1[58] = 13.46031746031745900000;
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x1[59] = 13.96825396825396800000;
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x1[60] = 14.47619047619047400000;
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x1[61] = 14.98412698412698400000;
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x1[62] = 15.49206349206349000000;
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x1[63] = 16.00000000000000000000;
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var x2 = new Array();
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x2[0] = -8.00000000000000000000;
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x2[1] = -7.74603174603174600000;
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x2[2] = -7.49206349206349210000;
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x2[3] = -7.23809523809523810000;
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x2[4] = -6.98412698412698420000;
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x2[5] = -6.73015873015873020000;
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x2[6] = -6.47619047619047630000;
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x2[7] = -6.22222222222222230000;
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x2[8] = -5.96825396825396840000;
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x2[9] = -5.71428571428571440000;
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x2[10] = -5.46031746031746050000;
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x2[11] = -5.20634920634920650000;
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x2[12] = -4.95238095238095260000;
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x2[13] = -4.69841269841269860000;
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x2[14] = -4.44444444444444460000;
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x2[15] = -4.19047619047619070000;
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x2[16] = -3.93650793650793670000;
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x2[17] = -3.68253968253968280000;
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x2[18] = -3.42857142857142880000;
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x2[19] = -3.17460317460317490000;
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x2[20] = -2.92063492063492090000;
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x2[21] = -2.66666666666666700000;
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x2[22] = -2.41269841269841300000;
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x2[23] = -2.15873015873015910000;
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x2[24] = -1.90476190476190510000;
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x2[25] = -1.65079365079365110000;
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x2[26] = -1.39682539682539720000;
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x2[27] = -1.14285714285714320000;
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x2[28] = -0.88888888888888928000;
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x2[29] = -0.63492063492063533000;
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x2[30] = -0.38095238095238138000;
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x2[31] = -0.12698412698412742000;
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x2[32] = 0.12698412698412653000;
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x2[33] = 0.38095238095238138000;
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x2[34] = 0.63492063492063444000;
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x2[35] = 0.88888888888888928000;
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x2[36] = 1.14285714285714230000;
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x2[37] = 1.39682539682539720000;
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x2[38] = 1.65079365079365030000;
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x2[39] = 1.90476190476190510000;
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x2[40] = 2.15873015873015820000;
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x2[41] = 2.41269841269841300000;
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x2[42] = 2.66666666666666610000;
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x2[43] = 2.92063492063492090000;
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x2[44] = 3.17460317460317400000;
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x2[45] = 3.42857142857142880000;
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x2[46] = 3.68253968253968190000;
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x2[47] = 3.93650793650793670000;
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x2[48] = 4.19047619047618980000;
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x2[49] = 4.44444444444444460000;
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x2[50] = 4.69841269841269770000;
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x2[51] = 4.95238095238095260000;
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x2[52] = 5.20634920634920560000;
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x2[53] = 5.46031746031746050000;
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x2[54] = 5.71428571428571350000;
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x2[55] = 5.96825396825396840000;
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x2[56] = 6.22222222222222140000;
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x2[57] = 6.47619047619047630000;
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x2[58] = 6.73015873015872930000;
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x2[59] = 6.98412698412698420000;
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x2[60] = 7.23809523809523720000;
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x2[61] = 7.49206349206349210000;
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x2[62] = 7.74603174603174520000;
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x2[63] = 8.00000000000000000000;
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var y = new Array();
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y[0] = -2.03444393579570270000;
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y[1] = -2.03444393579570270000;
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y[2] = -2.03444393579570270000;
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y[3] = -2.03444393579570270000;
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y[4] = -2.03444393579570270000;
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y[5] = -2.03444393579570270000;
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y[6] = -2.03444393579570270000;
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y[7] = -2.03444393579570270000;
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y[8] = -2.03444393579570270000;
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y[9] = -2.03444393579570270000;
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y[10] = -2.03444393579570270000;
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y[11] = -2.03444393579570270000;
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y[12] = -2.03444393579570270000;
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y[13] = -2.03444393579570270000;
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y[14] = -2.03444393579570270000;
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y[15] = -2.03444393579570270000;
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y[16] = -2.03444393579570270000;
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y[17] = -2.03444393579570270000;
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y[18] = -2.03444393579570270000;
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y[19] = -2.03444393579570270000;
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y[20] = -2.03444393579570270000;
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y[21] = -2.03444393579570270000;
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y[22] = -2.03444393579570270000;
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y[23] = -2.03444393579570270000;
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y[24] = -2.03444393579570270000;
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y[25] = -2.03444393579570270000;
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y[26] = -2.03444393579570270000;
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y[27] = -2.03444393579570270000;
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y[28] = -2.03444393579570270000;
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y[29] = -2.03444393579570270000;
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y[30] = -2.03444393579570270000;
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y[31] = -2.03444393579570270000;
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y[32] = 1.10714871779409040000;
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y[33] = 1.10714871779409040000;
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y[34] = 1.10714871779409040000;
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y[35] = 1.10714871779409040000;
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y[36] = 1.10714871779409040000;
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y[37] = 1.10714871779409040000;
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y[38] = 1.10714871779409040000;
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y[39] = 1.10714871779409040000;
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y[40] = 1.10714871779409040000;
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y[41] = 1.10714871779409040000;
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y[42] = 1.10714871779409040000;
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y[43] = 1.10714871779409040000;
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y[44] = 1.10714871779409040000;
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y[45] = 1.10714871779409040000;
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y[46] = 1.10714871779409040000;
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y[47] = 1.10714871779409040000;
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y[48] = 1.10714871779409040000;
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y[49] = 1.10714871779409040000;
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y[50] = 1.10714871779409040000;
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y[51] = 1.10714871779409040000;
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y[52] = 1.10714871779409040000;
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y[53] = 1.10714871779409040000;
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y[54] = 1.10714871779409040000;
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y[55] = 1.10714871779409040000;
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y[56] = 1.10714871779409040000;
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y[57] = 1.10714871779409040000;
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y[58] = 1.10714871779409040000;
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y[59] = 1.10714871779409040000;
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y[60] = 1.10714871779409040000;
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y[61] = 1.10714871779409040000;
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y[62] = 1.10714871779409040000;
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y[63] = 1.10714871779409040000;
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var val;
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for (i = 0; i < vnum; i++)
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{
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val = Math.atan2(x1[i], x2[i]);
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if (!isEqual(val, y[i]))
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{
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$ERROR("\nx1 = " + x1[i] + "\nx2 = " + x2[i] + "\nlibc.atan2(x1,x2) = " + y[i] + "\nMath.atan2(x1,x2) = " + Math.atan2(x1[i],x2[i]) + "\nMath.abs(libc.atan2(x1,x2) - Math.atan2(x1,x2)) > " + prec + "\n\n");
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}
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}
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