[Developers] Robust data parser

[Johnoel Ancheta]

This would be a good to put into the issue tracker.  So that it won't be 
forgotten...

On 1/18/12 8:51 AM, Arni Magnusson wrote:
> ADMB users generally don't have to worry about line endings - 
> expecially when working in Linux.
>
> Surely we can improve the robustness of the data file parser so it can 
> handle a file like this, right?
>
> ftp://glpd.fw.msu.edu/QFC/ADMB-Videos/Current_ADMB_Video_Release/ADMB%202/growth_loglike.dat 
>
>
> Arni
>
>
>
> On Wed, 18 Jan 2012, Arni Magnusson wrote:
>
>> I run into the same problem as Jacob, but only in Linux.
>>
>>  [Windows] the test vector is  -99 100 -101
>>  [Linux]   the test vector is  0 0 0
>>
>> The problem seems to caused by the .dat file, which contains Dos line 
>> endings. The short-term solution is to convert the line endings:
>>
>>  $ dos2unix growth_loglike.dat
>>
>> I hope the long-term solution will be to make ADMB data file parser 
>> more robust. To examine the problem I changed the model to
>>
>> DATA_SECTION
>>  init_int nobs
>>  !! SHOW(nobs);
>>  init_matrix vonBdata(1,nobs,1,2)
>>  !! SHOW(vonBdata);
>>  init_vector testvec(1,3)
>>  !! SHOW(testvec);
>>
>> PARAMETER_SECTION
>>  init_number t0
>>  objective_function_value nll
>>
>> PROCEDURE_SECTION
>>  nll = square(t0-1.0);
>>
>> GLOBALS_SECTION
>>  #define SHOW(x) cout << #x << ": " << x << endl;
>>
>> It looks like the problem arises when three conditions are met:
>>
>>  1. Model is run in Linux
>>  2. Data file has Dos line endings
>>  3. Data file has empty line between two comments
>>
>> Thanks for reporting this problem, Jacob. You can use the 'dos2unix' 
>> shell command to fix the problem for now.
>>
>> Arni
>>
>>
>>
>> On Wed, 18 Jan 2012, Weihai Liu wrote:
>>
>>> pretty sure your admb is broken, can you even run the simple.tpl 
>>> which in admb examples folder? The training example is fine after 
>>> changing its tpl name and the version will not be a issue for this 
>>> kind testing.
>>>
>>> weihai
>>>
>>>
>>>
>>> On Wed, Jan 18, 2012 at 11:52 AM, Jacob Kasper 
>>> <jacobkasper at gmail.com>wrote:
>>>
>>>> I am going through the training video and I keep getting errors 
>>>> with ADMB2 and onwards. I can run some tpl files but not the ones 
>>>> that are associated with the training video, even when I download 
>>>> fore example the files here 
>>>> ftp://glpd.fw.msu.edu/QFC/ADMB-Videos/Current_ADMB_Video_Release/ADMB%202/and 
>>>> change the .tpl so that the names is the same as the .dat. when I 
>>>> run the .tpl and then the program I get the message "the test 
>>>> vector is 0 0 0" which is not what the training video suggests that 
>>>> it should return. I have been over the .tpl file carefully and I 
>>>> cannot figure out the error, could this be a version issue? I am 
>>>> running Linux 64 bit and built it from the source distribution.
>>>>
>>>> THank you
>>>>
>>>> Jacob
>>>>
>>>
>>
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