Re: How to call builtin functions

[Ganesh Bikshandi]

Thanks. It worked. But it took me a while to figure out that I have to
call Frand instead of rand.  What is the logic behind it? Just
curious.

Ganesh 

On Mon, 26 Jul 2004 00:13:12 -0400, Paul Kienzle <address@hidden> wrote:
> Ganesh,
> 
> Since you are running stand-alone, you don't need to go
> through octave to call functions.  Instead you can call them
> directly.  For the most part, the builtin functions are small
> wrappers around liboctave.  For example, the file
> src/DLD-FUNCTIONS/rand.cc wraps the octave_rand
> class defined in liboctave/rand.h.
> 
> That said, for rand I would grab randmtzig.c from
> octave-forge/FIXES since it is about 3x faster.
> 
> - Paul
> 
> 
> 
> On Jul 25, 2004, at 6:19 PM, Ganesh Bikshandi wrote:
> 
> > Hi,
> >
> > I need to call builtin functions from a stand alone c++ (not a .oct
> > function) program. I tried calling a function (rand) using feval. But
> > for that I need to initialize the symbol table (fbi_sym_tab) and
> > install the builtin functions.  Otherwise my program seg faults. I
> > allocated fbi_sym_tab  and called install_builtins(), but I get lot of
> > warning, and the function (rand) was not installed.  Hence, I get the
> > error message:
> >
> > error: feval: the symbol `rand' is not valid as a function
> >
> > 1. Can anyone, who had succeeded in calling a builtin function from a
> > standalone program, share with me the simplest way to install the
> > builtin functions?
> >
> > Ganesh
> >
> 
>



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