sqrt -1 gives a complex number, not NaN #64

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masak opened this Issue Oct 4, 2011 · 0 comments

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masak commented Oct 4, 2011

<masak> perl6: say sqrt -1
<p6eval> pugs, rakudo 545638: OUTPUT«NaN␤»
<p6eval> ..niecza v10-36-g241a2d8: OUTPUT«0+1i␤»
* masak submits nieczabug

This may or may not be spec, but it's been said on the channel many times: complex calculations are opt-in. sqrt -1+0i should give 0+1i as the answer, but sqrt -1 shouldn't.

@sorear sorear closed this in c599e5a Nov 4, 2011

sorear added a commit to perl6/roast that referenced this issue Nov 4, 2011

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