js/src/tests/ecma_6/Math/atanh-exact.js

branch
TOR_BUG_3246
changeset 7
129ffea94266
equal deleted inserted replaced
-1:000000000000 0:049b970f4365
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");

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