[Developers] More informative Hessian info in ADMB-RE

[Hans Julius Skaug]

Hi All,

I was able to solve the below problems,
and have submitted the new code.

Hans 

>-----Original Message-----
>From: Hans Julius Skaug 
>Sent: Thursday, August 13, 2009 3:54 PM
>To: developers at admb-project.org
>Subject: More informative Hessian info in ADMB-RE
>
>Hi,
>
>Currently the message "Hessian type=2" is printed
>under execution of random effects models. I think
>a more direct message would be useful, especially 
>for new users. My suggestion is messages such as
>
>Block diagonal Hessian (Block size = 3)
>
>or
>
>Banded Hessian (Bandwidth = 2)
>
>The numbers confirms that the model structure has been
>correctly picked up.
>
>
>I have tried to implement this (see attached), 
>but before I submit the code it would be nice if
>somebody could have a look (my code is in the lines 284-305):
>
>        switch(lapprox->hesstype)
>        {
>        case 1:
>          cout << "Hessian type 1 " << endl;
>          break;
>        case 2:
>          cout << "\n Block diagonal Hessian (Block size = 
>?)\n"<< endl; 
>		//<< 
>(*lapprox->block_diagonal_hessian).indexmax() << endl;
>          break;
>        case 3:
>          cout << "Banded Hessian (Band width = " << 
>lapprox->bw << ")" << endl;
>          break;
>        case 4:
>          cout << "Hessian type 4 " << endl;
>          break;
>        default:
>          cerr << "This can't happen" << endl;
>          ad_exit(1);
>        }
>
>I think this should be straight forward code, 
>
>Also, I did not manage to print the block size for Hesstype==2.
>Dave (or anybody else): Could you tell me how to do this?
>
>Hans