var sinh_data = [
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    [3912507392, 22.780591462699917],
    [7279233024, 23.401438520318692],
    [9665245184, 23.684949498080787],
    [22627590144, 24.5355829820426],
    [60601991168, 25.520740767599584],
    [134018236416, 26.31438890085422],
    [204864946176, 26.73876398039979],
    [284346286080, 27.06660583008718],
    [914576637952, 28.234874284944635],
    [1581915832320, 28.78280496108106]
];

var sloppy_tolerance = 1000;  // FIXME

for (var [x, y] of sinh_data)
    assertNear(Math.asinh(x), y, sloppy_tolerance);

assertNear(Math.asinh(1e300), 691.4686750787737, sloppy_tolerance);
assertNear(Math.asinh(1e-300), 1e-300, sloppy_tolerance);
assertNear(Math.asinh(1e-5), 0.000009999999999833334, sloppy_tolerance);
assertNear(Math.asinh(0.3), 0.29567304756342244, sloppy_tolerance);
assertNear(Math.asinh(1), 0.881373587019543, sloppy_tolerance);

for (var i = 0; i <= 80; i++) {
    var x = (i - 40) / 4;
    assertNear(Math.asinh(Math.sinh(x)), x, sloppy_tolerance);
}

for (var i = -20; i < 20; i++)
    assertNear(Math.asinh(Math.sinh(i)), i, sloppy_tolerance);

reportCompare(0, 0, "ok");