[gmx-users] warning: assignment makes pointer from integer without a cast

David van der Spoel spoel at xray.bmc.uu.se
Thu Oct 19 12:45:17 CEST 2006


Qiao Baofu wrote:
> Hi all,
> 
> I meet a problem in compiling my program under gromacs: it always give 
> the information "warning: assignment makes pointer from integer without 
> a cast". The line refers to the following line with (***). I have tried 
> opt2fn_NULL too.
> 
> How to solve it? and can you give some introduction about the opt2fn, 
> opt2set, etc?
> 
> Thanks in advance!
> 
> 
>  t_filenm  fnm[] = {
>     { efTRX, "-f", NULL,   ffREAD  },
>     { efTPX, "-s", NULL,   ffREAD  },
>     { efNDX, "-n", NULL,   ffOPTRD },
>     { efXVG, "-o", "EC",   ffOPTWR }
>   };
> 
> ***  fp=xvgropen(opt2fn("-o",NFILE,fnm),title,"t","Integrand");
>  
> 
> 
> 
> -- 
> Sincerely yours,
> **********************************************
> Baofu Qiao, PhD
> Frankfurt Institute for Advanced Studies
> Max-von-Laue-Str. 1
> 60438 Frankfurt am Main, Germany TEL:+49-69-7984-7529
> **********************************************
> 
> 
> ------------------------------------------------------------------------
> 
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did you include xvgr.h in your program?


-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://folding.bmc.uu.se
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