On Feb 5, 3:02 am, Julien Puydt <julien.pu...@laposte.net> wrote:
> Le 04/02/2012 23:11, Robert Bradshaw a crit :
>
> .....

> I think cos(0.0) != 1.0 isn't bad, since 0.0 isn't zero anyway, and 1.0
> isn't one anyway. In fact, I would welcome if using strict comparisons
> on floats triggered an exception.
>
> And this monotonicity condition in numerical approximations is new to
> me... do you have a reference handy? I always thought the only condition
> was on relative error.
>
Given your admitted ignorance on the topic of numerical
approximations,
how much weight should we give to your expressed thought that 0.0
isn't zero
and 1.0 isn't one?  (etc.) Hint:  your thoughts are unhelpful.

I suggest you become better informed on the topic.
In order to keep this note from being complete snark, let me suggest
you (and others concerned about these matters look at this)
http://www.cims.nyu.edu/~dbindel/class/cs279/dsb-bib.pdf

RJF

-- 
To post to this group, send an email to sage-devel@googlegroups.com
To unsubscribe from this group, send an email to 
sage-devel+unsubscr...@googlegroups.com
For more options, visit this group at http://groups.google.com/group/sage-devel
URL: http://www.sagemath.org

Reply via email to