Fix Math.atanh
#1438
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Fix Math.atanh
#1438
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andreabergia
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rbri
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Jan 15, 2024
| @@ -153,7 +153,7 @@ private static Object atanh(Context cx, Scriptable scope, Scriptable thisObj, Ob | |||
| } | |||
| return ScriptRuntime.negativeZeroObj; | |||
| } | |||
| return Double.valueOf(0.5 * Math.log((x + 1.0) / (x - 1.0))); | |||
| return Double.valueOf(0.5 * Math.log((x + 1.0) / (1.0 - x))); | |||
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maybe pedantic but to be in sync with MDN
return Double.valueOf(0.5 * Math.log((1.0 + x) / (1.0 - x)));
| @@ -54,4 +54,78 @@ assertEquals(Math.imul(-2, -2), 4); | |||
| assertEquals(Math.imul(0xffffffff, 5), -5); | |||
| assertEquals(Math.imul(0xfffffffe, 5), -10); | |||
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| assertEqualsDelta(Math.atanh(1/2), 0.549306144334059, 0.0000000000001); | |||
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because the 262 tests suite seems to have no tests for this maybe you can add some more samples
| assertEquals(Math.sign('foo'), NaN); | ||
| assertEquals(Math.sign(), NaN); | ||
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| assertEquals(Math.clz32(0), 32); |
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There is a separate PR #1430 for clz32, maybe we have to merge the two different approaches of tests for the functions
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I've removed all the cases from this file - it seems the other PR will add complete coverage
rbri
approved these changes
Jan 17, 2024
|
Looks good to me, and nice catch. Thanks! |
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See #1437
I have added also some tests for various "recent" math functions that seemed to be lacking them.