|
1 // Properties of Math.atanh that are guaranteed by the spec. |
|
2 |
|
3 // If x is NaN, the result is NaN. |
|
4 assertEq(Math.atanh(NaN), NaN); |
|
5 |
|
6 // If x is less than −1, the result is NaN. |
|
7 assertEq(Math.atanh(-ONE_PLUS_EPSILON), NaN); |
|
8 assertEq(Math.atanh(-Number.MAX_VALUE), NaN); |
|
9 assertEq(Math.atanh(-Infinity), NaN); |
|
10 |
|
11 for (var i = -5; i < -1; i += 0.1) |
|
12 assertEq(Math.atanh(i), NaN); |
|
13 |
|
14 // If x is greater than 1, the result is NaN. |
|
15 assertEq(Math.atanh(ONE_PLUS_EPSILON), NaN); |
|
16 assertEq(Math.atanh(Number.MAX_VALUE), NaN); |
|
17 assertEq(Math.atanh(Infinity), NaN); |
|
18 |
|
19 for (var i = +5; i > +1; i -= 0.1) |
|
20 assertEq(Math.atanh(i), NaN); |
|
21 |
|
22 // If x is −1, the result is −∞. |
|
23 assertEq(Math.atanh(-1), -Infinity); |
|
24 |
|
25 // If x is +1, the result is +∞. |
|
26 assertEq(Math.atanh(+1), Infinity); |
|
27 |
|
28 // If x is +0, the result is +0. |
|
29 assertEq(Math.atanh(+0), +0); |
|
30 |
|
31 // If x is −0, the result is −0. |
|
32 assertEq(Math.atanh(-0), -0); |
|
33 |
|
34 |
|
35 reportCompare(0, 0, "ok"); |