mirror of https://github.com/tc39/test262.git
166 lines
5.1 KiB
JavaScript
166 lines
5.1 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.sin it is recommended that implementations use the approximation
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algorithms for IEEE 754 arithmetic contained in fdlibm
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es5id: 15.8.2.16_A7
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description: >
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Checking if Math.sin is approximately equals to its mathematical
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values on the set of 64 argument 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 x = new Array();
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x[0] = 0.00000000000000000000;
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x[1] = 0.09973310011396169200;
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x[2] = 0.19946620022792338000;
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x[3] = 0.29919930034188508000;
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x[4] = 0.39893240045584677000;
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x[5] = 0.49866550056980841000;
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x[6] = 0.59839860068377015000;
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x[7] = 0.69813170079773179000;
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x[8] = 0.79786480091169354000;
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x[9] = 0.89759790102565518000;
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x[10] = 0.99733100113961681000;
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x[11] = 1.09706410125357840000;
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x[12] = 1.19679720136754030000;
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x[13] = 1.29653030148150190000;
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x[14] = 1.39626340159546360000;
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x[15] = 1.49599650170942520000;
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x[16] = 1.59572960182338710000;
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x[17] = 1.69546270193734870000;
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x[18] = 1.79519580205131040000;
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x[19] = 1.89492890216527200000;
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x[20] = 1.99466200227923360000;
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x[21] = 2.09439510239319570000;
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x[22] = 2.19412820250715690000;
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x[23] = 2.29386130262111850000;
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x[24] = 2.39359440273508060000;
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x[25] = 2.49332750284904230000;
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x[26] = 2.59306060296300390000;
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x[27] = 2.69279370307696550000;
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x[28] = 2.79252680319092720000;
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x[29] = 2.89225990330488880000;
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x[30] = 2.99199300341885040000;
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x[31] = 3.09172610353281210000;
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x[32] = 3.19145920364677420000;
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x[33] = 3.29119230376073580000;
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x[34] = 3.39092540387469740000;
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x[35] = 3.49065850398865910000;
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x[36] = 3.59039160410262070000;
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x[37] = 3.69012470421658230000;
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x[38] = 3.78985780433054400000;
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x[39] = 3.88959090444450560000;
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x[40] = 3.98932400455846730000;
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x[41] = 4.08905710467242840000;
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x[42] = 4.18879020478639140000;
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x[43] = 4.28852330490035260000;
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x[44] = 4.38825640501431380000;
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x[45] = 4.48798950512827590000;
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x[46] = 4.58772260524223710000;
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x[47] = 4.68745570535619920000;
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x[48] = 4.78718880547016120000;
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x[49] = 4.88692190558412240000;
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x[50] = 4.98665500569808450000;
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x[51] = 5.08638810581204570000;
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x[52] = 5.18612120592600780000;
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x[53] = 5.28585430603996990000;
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x[54] = 5.38558740615393110000;
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x[55] = 5.48532050626789310000;
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x[56] = 5.58505360638185430000;
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x[57] = 5.68478670649581550000;
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x[58] = 5.78451980660977760000;
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x[59] = 5.88425290672373970000;
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x[60] = 5.98398600683770090000;
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x[61] = 6.08371910695166300000;
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x[62] = 6.18345220706562420000;
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// Result is implementation dependent and varies on platform as you approach limits.
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// e.g. Output approaches zero as input approaches PI * 2 (6.28318530717958647).
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// The value of 6.2831 for x[63] is chosen below as an arbitrary cut off point for
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// expecting a result within the validation's tolerance range.
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x[63] = 6.2831;
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var y = new Array();
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y[0] = 0.00000000000000000000;
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y[1] = 0.09956784659581666100;
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y[2] = 0.19814614319939758000;
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y[3] = 0.29475517441090421000;
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y[4] = 0.38843479627469474000;
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y[5] = 0.47825397862131819000;
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y[6] = 0.56332005806362206000;
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y[7] = 0.64278760968653925000;
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y[8] = 0.71586684925971844000;
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y[9] = 0.78183148246802980000;
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y[10] = 0.84002592315077140000;
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y[11] = 0.88987180881146855000;
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y[12] = 0.93087374864420425000;
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y[13] = 0.96262424695001203000;
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y[14] = 0.98480775301220802000;
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y[15] = 0.99720379718118013000;
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y[16] = 0.99968918200081625000;
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y[17] = 0.99223920660017206000;
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y[18] = 0.97492791218182362000;
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y[19] = 0.94792734616713181000;
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y[20] = 0.91150585231167325000;
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y[21] = 0.86602540378443849000;
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y[22] = 0.81193800571585661000;
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y[23] = 0.74978120296773443000;
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y[24] = 0.68017273777091936000;
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y[25] = 0.60380441032547738000;
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y[26] = 0.52143520337949811000;
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y[27] = 0.43388373911755823000;
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y[28] = 0.34202014332566888000;
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y[29] = 0.24675739769029384000;
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y[30] = 0.14904226617617472000;
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y[31] = 0.04984588566069748200;
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y[32] = -0.04984588566069723300;
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y[33] = -0.14904226617617447000;
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y[34] = -0.24675739769029362000;
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y[35] = -0.34202014332566866000;
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y[36] = -0.43388373911755801000;
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y[37] = -0.52143520337949789000;
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y[38] = -0.60380441032547716000;
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y[39] = -0.68017273777091913000;
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y[40] = -0.74978120296773398000;
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y[41] = -0.81193800571585595000;
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y[42] = -0.86602540378443882000;
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y[43] = -0.91150585231167314000;
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y[44] = -0.94792734616713159000;
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y[45] = -0.97492791218182362000;
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y[46] = -0.99223920660017195000;
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y[47] = -0.99968918200081625000;
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y[48] = -0.99720379718118013000;
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y[49] = -0.98480775301220813000;
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y[50] = -0.96262424695001203000;
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y[51] = -0.93087374864420447000;
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y[52] = -0.88987180881146866000;
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y[53] = -0.84002592315077129000;
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y[54] = -0.78183148246802991000;
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y[55] = -0.71586684925971833000;
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y[56] = -0.64278760968653958000;
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y[57] = -0.56332005806362273000;
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y[58] = -0.47825397862131858000;
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y[59] = -0.38843479627469474000;
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y[60] = -0.29475517441090471000;
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y[61] = -0.19814614319939772000;
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y[62] = -0.09956784659581728600;
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y[63] = -0.00008530717948287973;
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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.sin(x[i]);
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if (!isEqual(val, y[i]))
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{
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$ERROR("\nx = " + x[i] + "\nlibc.sin(x) = " + y[i] + "\nMath.sin(x) = " + Math.sin(x[i]) + "\nMath.abs(libc.sin(x) - Math.sin(x)) > " + prec + "\n\n");
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}
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}
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