Re: Re: How to call builtin functions

[hemant kumar]

Ok..
I am having the same problem..
But the difference is..i want to call function not from a stand alone 
application..
I am trying to write octave wrapper for gtk.  


On Mon, 26 Jul 2004 Paul Kienzle 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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