| // Properties of Math.log1p that are guaranteed by the spec. |
| |
| // If x is NaN, the result is NaN. |
| assertEq(Math.log1p(NaN), NaN); |
| |
| // If x is less than -1, the result is NaN. |
| assertEq(Math.log1p(-1 - 1e-10), NaN); |
| assertEq(Math.log1p(-1 - 1e-5), NaN); |
| assertEq(Math.log1p(-1 - 1e-1), NaN); |
| assertEq(Math.log1p(-ONE_PLUS_EPSILON), NaN); |
| |
| for (var i = -2; i > -20; i--) |
| assertEq(Math.log1p(i), NaN); |
| |
| // If x is -1, the result is -∞. |
| assertEq(Math.log1p(-1), -Infinity); |
| |
| // If x is +0, the result is +0. |
| assertEq(Math.log1p(+0), +0); |
| |
| // If x is −0, the result is −0. |
| assertEq(Math.log1p(-0), -0); |
| |
| // If x is +∞, the result is +∞. |
| assertEq(Math.log1p(Infinity), Infinity); |
| |
| |
| reportCompare(0, 0, "ok"); |
| |