| // Copyright (C) 2016 The V8 Project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-math.log1p |
| description: > |
| Return specific results |
| info: | |
| Math.log1p ( x ) |
| |
| If x is NaN, the result is NaN. |
| If x is less than -1, the result is NaN. |
| If x is -1, the result is -∞. |
| If x is +0, the result is +0. |
| If x is -0, the result is -0. |
| If x is +∞, the result is +∞. |
| ---*/ |
| |
| assert.sameValue(Math.log1p(NaN), NaN, "NaN"); |
| assert.sameValue(Math.log1p(-1.000001), NaN, "-1.000001"); |
| assert.sameValue(Math.log1p(-2), NaN, "-2"); |
| assert.sameValue(Math.log1p(-Infinity), NaN, "-Infinity"); |
| assert.sameValue(Math.log1p(-1), -Infinity, "-1"); |
| assert.sameValue(Math.log1p(0), 0, "0"); |
| assert.sameValue(Math.log1p(-0), -0, "-0"); |
| assert.sameValue(Math.log1p(Infinity), Infinity, "Infinity"); |
