| // Properties of Math.acosh that are guaranteed by the spec. |
| |
| // If x is NaN, the result is NaN. |
| assertEq(Math.acosh(NaN), NaN); |
| |
| // If x is less than 1, the result is NaN. |
| assertEq(Math.acosh(ONE_MINUS_EPSILON), NaN); |
| assertEq(Math.acosh(Number.MIN_VALUE), NaN); |
| assertEq(Math.acosh(+0), NaN); |
| assertEq(Math.acosh(-0), NaN); |
| assertEq(Math.acosh(-Number.MIN_VALUE), NaN); |
| assertEq(Math.acosh(-1), NaN); |
| assertEq(Math.acosh(-Number.MAX_VALUE), NaN); |
| assertEq(Math.acosh(-Infinity), NaN); |
| |
| for (var i = -20; i < 1; i++) |
| assertEq(Math.acosh(i), NaN); |
| |
| // If x is 1, the result is +0. |
| assertEq(Math.acosh(1), +0); |
| |
| // If x is +∞, the result is +∞. |
| assertEq(Math.acosh(Number.POSITIVE_INFINITY), Number.POSITIVE_INFINITY); |
| |
| |
| reportCompare(0, 0, "ok"); |