[Developers] libraries of functions

[Steve Martell]

Try:
> FUNCTION dvariable model_parameters::Richards(const dvariable &age, const dvariable &Linf, const dvariable &K, const dvariable &t0, const dvariable &p)
> {
>   {
>     dvariable Length=Linf*pow((1+(1/p)*exp(-K*(age-t0))),-p);
>     return(Length);
>   }
> }


On Aug 11, 2014, at 3:49 PM, Mark Maunder <mmaunder at iattc.org> wrote:

> Why do I get an error if I put the following function in the file CAPAM_Growth.hpp and include it using #include<CAPAM_Growth.hpp> but if I put it in the tpl using the FUNCTION section I do not? The translator appears to just put it in the cpp with no changes
>  
> dvariable model_parameters::Richards(const dvariable &age, const dvariable &Linf, const dvariable &K, const dvariable &t0, const dvariable &p)
> {
>   {
>     dvariable Length=Linf*pow((1+(1/p)*exp(-K*(age-t0))),-p);
>     return(Length);
>   }
> }
>  
> The errors I get are
>  
> In file included from igm.cpp:3:0:
> ./CAPAM_Growth.hpp:130:142: error: invalid use of incomplete type 'struct model_parameters'
> c:/ADMB/admb101-gcc452-win32\include/admodel.h:107:9: error: forward declaration of 'struct model_parameters'
> igm.cpp: In member function 'virtual void model_parameters::userfunction()':
> igm.cpp:127:46: error: no matching function for call to 'Richards(prevariable, named_dvariable&, named_dvariable&, param_init_number&, named_dvariable&)'
> igm.cpp:128:58: error: no matching function for call to 'Richards(prevariable&, named_dvariable&, named_dvariable&, param_init_number&, named_dvariable&)'
> igm.cpp:139:49: error: no matching function for call to 'Richards(double&, named_dvariable&, named_dvariable&, param_init_number&, named_dvariable&)'
>  
>  
>  
>  
> The selectivity special issue of the journal Fisheries Research is now published
> http://www.sciencedirect.com/science/journal/01657836/158/supp/C
>  
>  
> The Stock Synthesis special issue of the journal Fisheries Research
> 
> http://www.sciencedirect.com/science/journal/01657836/142
> 
>  
> Mark Maunder         
> Head of the Stock Assessment Program                                          
> Inter-American  Tropical Tuna Commission                                     
> 8901 La Jolla Shores Dr.
> La Jolla, CA  92037-1508, USA
>   
> Tel: (858) 546-7027
> Fax: (858) 546-7133
> mmaunder at iattc.org
> http://www.fisheriesstockassessment.com/TikiWiki/tiki-index.php?page=Mark+Maunder
>  
> Visit the Center for the Advancement of Population Assessment Methodology at
> http://www.capamresearch.org/
>  
> Visit the AD Model Builder project at
>  http://admb-project.org/
>  
> See the following website for information on fisheries stock assessment http://www.fisheriesstockassessment.com/
>  
>  
> 
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