[petsc-users] SNESFunction undefined reference

[Barry Smith]

  SNESFunction is not a function. What do you think it is suppose to compute? You provide a function for evaluating the nonlinear function with SNESSetFunction().

   Barry

On Apr 9, 2014, at 11:37 AM, Xiangdong <epscodes at gmail.com> wrote:

> 
> 
> 
> On Wed, Apr 9, 2014 at 11:40 AM, Matthew Knepley <knepley at gmail.com> wrote:
> On Wed, Apr 9, 2014 at 10:38 AM, Xiangdong <epscodes at gmail.com> wrote:
> Hello everyone,
> 
> When add this line to src/ex3.c
> 
> SNESFunction(snes,x,fval,&ctx);
> 
> The compiler complains that undefined reference to `SNESFunction'.
> 
> However, all other snes function calls in ex3 work well. Why is it special for SNESFunction?
> 
> Any suggestions to fix this problem?
> 
> Do you want SNESComputeFunction() ?
> 
> Yes, SNESComputeFunction() works. 
> 
> It seems that SNESFunction() can takes one more input argument ctx. Is this function disabled in current release or just a bug in the header file?
> 
> Thanks.
> 
> Xiangdong
> 
>  
> 
>    Matt
>  
> Thank you.
> 
> Xiangdong
> 
> 
> 
> -- 
> What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
> -- Norbert Wiener
>