// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: >
    Math.sqrt, recommended that implementations use the approximation
    algorithms for IEEE 754 arithmetic contained in fdlibm
es5id: 15.8.2.17_A6
description: >
    Checking if Math.sqrt is approximately equals to its mathematical
    values on the set of 64 argument values; all the sample values is
    calculated with LibC
includes:
    - math_precision.js
    - math_isequal.js
---*/

// CHECK#1
vnum = 64;
var x = new Array();
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 Array();
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;


var val;
for (i = 0; i < vnum; i++)
{
	val = Math.sqrt(x[i]);
	if (!isEqual(val, y[i]))
	{
		$ERROR("\nx = " + x[i] + "\nlibc.sqrt(x) = " + y[i] + "\nMath.sqrt(x) = " + Math.sqrt(x[i]) + "\nMath.abs(libc.sqrt(x) - Math.sqrt(x)) > " + prec + "\n\n"); 
	}
}
