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ComplexNumber function is wrong #24555

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videlec opened this issue Jan 17, 2018 · 1 comment
Closed

ComplexNumber function is wrong #24555

videlec opened this issue Jan 17, 2018 · 1 comment
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c: basic arithmetic r: duplicate t: enhancement

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@videlec
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videlec commented Jan 17, 2018

RealNumber in Sage is the class for floating-point real numbers. ComplexNumber is a function that aims to do the same for complex numbers but its implementation is very wrong.

sage: a = CC('1.233123145515341')
sage: b = ComplexNumber(a.real(), a.imag())
1.233123145515340
sage: ComplexNumber(a.real(), a.imag()) == b
False

We should either remove this function or improve it.

Component: basic arithmetic

Issue created by migration from https://trac.sagemath.org/ticket/24555
@videlec videlec added this to the sage-8.2 milestone Jan 17, 2018
@jdemeyer
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comment:1

Duplicate of #13110

@jdemeyer jdemeyer removed this from the sage-8.2 milestone Jan 17, 2018
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c: basic arithmetic r: duplicate t: enhancement
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