Re: [Numpy-discussion] Re: numpy.sin

[Alan G I. <ai...@am...>]

On Thu, 25 May 2006, Robert Kern apparently wrote:=20
> But numpy doesn't deal with abstract senses. It deals with=20
> concrete floating point arithmetic.

Of course.

> That your demonstration results in the desired exact 0.0=20
> for multiples of 2*pi is an accident. The results for=20
> values other than integer multiples of pi will be as wrong=20
> or more wrong.

It seems that a continuity argument should undermine that as=20
a general claim.  Right?

But like I said: I was just wondering if there was anything=20
exploitable here.

Thanks,
Alan