Re: Using a Mathematica's function in a C program

• To: mathgroup at smc.vnet.net
• Subject: [mg31268] Re: Using a Mathematica's function in a C program
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Fri, 26 Oct 2001 04:28:07 -0400 (EDT)
• Organization: Universitaet Leipzig
• References: <9r57cm\$s3o\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```Hi,

here is a function that request the numerical evaluation of
n function values of mathFuncSymbol[x1,x2,x3] for a list
{x1,x2,x3,y1,y2,y3,....}

@=:Evaluate: MapNApply[fun_Symbol,l_List]:=Map[N[Apply[fun,#]] &,l]
@>@|

void GetFValuesFromMath(char *mathFuncSymbol,double *f, point3d *p, int
n)
{ double *vptr;
int i;
long cnt;

for(i=0; i<n; i++)
memcpy(f,vptr,cnt*sizeof(double));
for(i=0; i<n; i++)
f[i]-=c;
}

and mathFuncSymbol[] is send to the top level ML function.

Regards
Jens

Julie RIGAUD wrote:
>
> Hi !
> I'm using Mathlink with a C program.
> Is it possible to declare a function in Mathematica and use  and evaluate it in the C program ?
> (for the moment, i'm trying to resolve my problem by using MLGetFunction( ) but it doesn't seem to work ...)
> Thanks a lot for your response.
> Julie
>
>

```

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