https://codereview.chromium.org/28723002/diff/40001/test/mjsunit/harmony/math-sign.js
File test/mjsunit/harmony/math-sign.js (right):
https://codereview.chromium.org/28723002/diff/40001/test/mjsunit/harmony/math-sign.js#newcode30
test/mjsunit/harmony/math-sign.js:30: assertEquals("Infinity",
String(1/Math.sign(0)));
On 2013/10/21 07:18:39, Sven Panne wrote:
On 2013/10/21 06:57:58, Dmitry Lomov (chromium) wrote:
> Needs tests for +0 and -0:
> var x = 1e-200
> var y = -1e-200
> var z = x*y // -0, confirm by 1/z == -Infinity
> Math.sign(z);
Why do we need this? I thought the line below already tests exactly
this.
The line below does test the -0 case. Using actual -0 seems better than
going out of the double range to get it.
https://codereview.chromium.org/28723002/
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