Re: [Gretl-devel] trouble with lad function in libretl
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Moving to gretl-devel
because i found what is going on :
in .h of libgretl i got this:
MODEL lad(const int*, double***, DATAINFO*)
but in lad.c module :
int lad_driver (MODEL *pmod, double **Z, DATAINFO *pdinfo)
2010/6/17 denis joubert <denis.joubert(a)gmail.com>
Hello,
lad function in libgretl(cvs) seems to doesn't work.
In the gui it works(release 1.9.0) with the same datas.
it output me many :
(process:6484): GLib-CRITICAL **: g_rand_int_range: assertion `rand !=
NULL' failed
Attachments:
- attachment.html (text/html — 799 bytes)
Thursday, 17 June
Thu, 17 Jun
6:23 p.m.
New subject: trouble with lad function in libretl
On Thu, 17 Jun 2010, denis joubert wrote:
Moving to gretl-devel
because i found what is going on :
in .h of libgretl i got this:
MODEL lad(const int*, double***, DATAINFO*)
but in lad.c module :
int lad_driver (MODEL *pmod, double **Z, DATAINFO *pdinfo)
That's not a problem. The lad() function needs the address of Z,
(named pZ) in order to do an initial OLS. It then dereferences pZ
and passes Z (of type double **) to lad_driver().
The trouble, I think, is just that gretl_rand_init() never got
called, because your program didn't do libgretl_init() on startup.
Note that you should also probably do libgretl_cleanup() when
you're finished with libgretl.
Allin
denis joubert
Friday, 18 June
Fri, 18 Jun
5:29 p.m.
New subject: trouble with lad function in libretl
sorry you're right.
2010/6/18 Allin Cottrell <cottrell(a)wfu.edu>
On Thu, 17 Jun 2010, denis joubert wrote:
> Moving to gretl-devel
> because i found what is going on :
> in .h of libgretl i got this:
> MODEL lad(const int*, double***, DATAINFO*)
>
> but in lad.c module :
> int lad_driver (MODEL *pmod, double **Z, DATAINFO *pdinfo)
That's not a problem. The lad() function needs the address of Z,
(named pZ) in order to do an initial OLS. It then dereferences pZ
and passes Z (of type double **) to lad_driver().
The trouble, I think, is just that gretl_rand_init() never got
called, because your program didn't do libgretl_init() on startup.
Note that you should also probably do libgretl_cleanup() when
you're finished with libgretl.
Allin
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denis joubert