| // Copyright 2015 Microsoft Corporation. All rights reserved. |
| // This code is governed by the license found in the LICENSE file. |
| |
| /*--- |
| description: Math.acosh with special values |
| es6id: 20.2.2.3 |
| info: | |
| Math.acosh ( x ) |
| |
| - If x is NaN, the result is NaN. |
| - If x is less than 1, the result is NaN. |
| ---*/ |
| |
| assert.sameValue(Math.acosh(NaN), NaN, "NaN"); |
| assert.sameValue(Math.acosh(0.999999), NaN, "0.999999"); |
| assert.sameValue(Math.acosh(0), NaN, "0"); |
| assert.sameValue(Math.acosh(-1), NaN, "-1"); |
| assert.sameValue(Math.acosh(-Infinity), NaN, "-Infinity"); |