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var sinh_data = [
[-497.181640625, -6.902103625349695],
[-495.216552734375, -6.898143347143859],
[-488.0980224609375, -6.883664481302669],
[-486.4609375, -6.880304842490273],
[-482.2261962890625, -6.871561546509046],
[-468.167236328125, -6.841973895837549],
[-465.553955078125, -6.836376331805493],
[-464.288330078125, -6.833654100575195],
[-463.558837890625, -6.8320816635009045],
[-453.82861328125, -6.8108680173663085],
[-448.7835693359375, -6.799689165151487],
[-446.0499267578125, -6.793579326246197],
[-432.4046630859375, -6.762510387544996],
[-424.145751953125, -6.743225720989222],
[-402.8682861328125, -6.691758395994307],
[-402.4595947265625, -6.690743430063694],
[-390.1383056640625, -6.6596501292114505],
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[-54.41380310058594, -4.689849459883311],
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[-42.01084899902344, -4.431216695067421],
[-30.609375, -4.114720236218123],
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[-14.624359130859375, -3.3770026324620295],
[-12.431087493896484, -3.214961448471211],
[-10.235607147216797, -3.021397455139021],
[-9.41094970703125, -2.937831931335705],
[-1.635939121246338, -1.267878515574959],
[1.6504814008555524e-12, 1.6504814008555524e-12],
[2.0654207510961697e-12, 2.0654207510961697e-12],
[6.933230031758164e-12, 6.933230031758164e-12],
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[1.655740737915039, 1.2781607348262256],
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[92.8238525390625, 5.223879832616765],
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[116.044677734375, 5.447141014648796],
[123.77554321289062, 5.511633288238573],
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[139.7633056640625, 5.633110296634631],
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[153860.8125, 12.636950838344218],
[307019.5, 13.327813723030063],
[682577.25, 14.126778167009777],
[1788919, 15.090269265334971],
[3769169, 15.835512291283944],
[4327820, 15.973721689554742],
[11044024, 16.910547205715446],
[21423208, 17.573132558903225],
[62828288, 18.649063156437965],
[70207360, 18.760110887365155],
[154231424, 19.547111966180875],
[294509056, 20.193967491567523],
[1070557184, 21.484592263156223],
[1957922816, 22.088297141021556],
[3912507392, 22.780591462699917],
[7279233024, 23.401438520318692],
[9665245184, 23.684949498080787],
[22627590144, 24.5355829820426],
[60601991168, 25.520740767599584],
[134018236416, 26.31438890085422],
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[284346286080, 27.06660583008718],
[914576637952, 28.234874284944635],
[1581915832320, 28.78280496108106]
];
for (var [x, y] of sinh_data)
assertNear(Math.asinh(x), y);
assertNear(Math.asinh(1e300), 691.4686750787737);
assertNear(Math.asinh(1e-300), 1e-300);
assertNear(Math.asinh(1e-5), 0.000009999999999833334);
assertNear(Math.asinh(0.3), 0.29567304756342244);
assertNear(Math.asinh(1), 0.881373587019543);
for (var i = 0; i <= 80; i++) {
var x = (i - 40) / 4;
assertNear(Math.asinh(Math.sinh(x)), x);
}
for (var i = -20; i < 20; i++)
assertNear(Math.asinh(Math.sinh(i)), i);
reportCompare(0, 0, "ok");