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RE: [Axiom-developer] Complex exponentiation and 0
From: |
Martin Rubey |
Subject: |
RE: [Axiom-developer] Complex exponentiation and 0 |
Date: |
Tue, 22 Jun 2004 11:40:48 +0000 |
Page, Bill writes:
> On Tuesday, June 22, 2004 6:11 AM Martin Rubey
> address@hidden wrote:
>
> There is a bug.
>
> 0::CARD ^ 0::CARD
>
> should be 1::CARD
ok.
> > except that in
> >
> > Vanuxem Grégory writes:
> > > In complex(Float) and Complex(SingleFloat), we have to change the
> > > exponentiation so that
> > > complex(0,0)^complex(0,0.0)
> > > or
> > > complex(0,0)^complex(2,2.0)
> > > doesn't use log.
> >
> > the *latter* really should give 0?
> >
>
> No. complex(0,0)^complex(0,0.0) is like 0^0.0 and should
> return
>
> '0**complex(0,0.0)' is undefined
>
> The message 'log 0 generated' is confusing but technically
> correct.
Yes, but complex(0,0)^complex(2,2.0) should be 0.0, shouldn't it?
Martin
- Re: [Axiom-developer] Complex exponentiation and 0, (continued)
- RE: [Axiom-developer] Complex exponentiation and 0, Page, Bill, 2004/06/21
- RE: [Axiom-developer] Complex exponentiation and 0, Page, Bill, 2004/06/21
- RE: [Axiom-developer] Complex exponentiation and 0, Page, Bill, 2004/06/22
- RE: [Axiom-developer] Complex exponentiation and 0,
Martin Rubey <=