[Gretl-devel] Backward compatibility

[andreas.rosenblad at ltv.se]

cottrell at wfu.edu @ INTERNET skrev 2007-11-06 22:03:15 :

> In CVS and Windows snapshot you can do the following (revised
> version of Ignacio's sample script):
>
> <script>
> function sillyfun (string foo, series x)
>   series @foo_f1 = x+x(-1)+x(-2)+x(-3)
>   series @foo_f2 = x+x(+1)
>   list outlist = @foo_f1 @foo_f2
>   return list outlist
> end function
>
> open data9-9
> string sname="nocars"
> list alist = sillyfun(sname, nocars)
> print alist
> </script>
>
> Alternatively, you could give the string argument to sillyfun as a
> quoted string literal:
>
> list alist = sillyfun("nocars", nocars)
>
> This should also work in the GUI function-caller.  In that case
> you type something into the string parameter slot: if it's the
> name of an existing string, it gets used as is; if it's not the
> name of a pre-defined string it is treated as literal, and is
> automatically wrapped in quotes if it's not already quoted.



As I understand it, this is a new parameter type for functions, in addition
to the already existing six parameter types bool, int, scalar, series,
list, matrix? I cannot find anything about this in the User's Guide. Also,
the function floor() is not documented in the command reference. Could it
be added, please?

Andreas