cf documentation



Revisions look good, thanks.

              -s

On Sun, Jan 29, 2012 at 17:05, Robert Dodier <robert.dodier at gmail.com>wrote:

> On 1/26/12, Stavros Macrakis <macrakis at alum.mit.edu> wrote:
>
> > The 'cf' (continued fraction) documentation should mention that cf
> > expansions are exact for rational numbers, but are cut off at ratepsilon
> > (for floats) and 10^-fpprec (for bigfloats).
>
> I;ve revised the cf documentation to take that into account.
> What do you think?
>
> best
>
> Robert Dodier
>
> PS.
>
>  -- Function: cf (<expr>)
>     Computes a continued fraction approximation.  <expr> is an
>     expression comprising continued fractions, square roots of
>     integers, and literal real numbers (integers, rational numbers,
>     ordinary floats, and bigfloats).  `cf' computes exact expansions
>     for rational numbers, but expansions are truncated at `ratepsilon'
>     for ordinary floats and `10^(-fpprec)' for bigfloats.
>
> etc etc. (same as before)
>