int
main(int argc, char *argv[])
{
struct val *vp;
(void) setlocale(LC_ALL, "");
if (argc > 1 && !strcmp(argv[1], "--"))
argv++;
av = argv + 1;
nexttoken(0);
vp = eval0();
if (token != EOI) {
error();
/* NOTREACHED */
}
if (vp->type == integer)
printf("%d\n", vp->u.i);
else
printf("%s\n", vp->u.s);
exit(is_zero_or_null(vp));
}
/*------------------------------------------------------------------
/
/ eval_user - To add your own eval function, called, for instance
/ my_eval,
/
/ 1. add the function my_eval(int,double*) to the bottom of this file
/
/ 2. put the prototype in eval.h
/
/ 3. in eval_user add the lines as in the sample below,
/
/ 4. recompile (make pga)
/
/ 5. change the first line in GAin.dat to my_eval
/
/ 6. set the number and range of parameters at the bottom of GAin.dat
/
/ 7. run pga
/
/------------------------------------------------------------------*/
double eval_user(int iniche,char *f,int n, double* params)
{
double fitness;
if(!strcmp(f,"eval0"))
fitness=eval0(n,params);
else if(!strcmp(f,"eval1"))
fitness=eval1(n,params);
/* sample new lines ..._____________
else if(!strcmp(f,"my_eval"))
fitness=my_eval(n,params);
..._________________________________*/
else {
fprintf(stdout,"You have specified a bogus function name: %s\n",f);
exit(0);
}
return fitness;
}
struct val *
eval6(void)
{
struct val *v;
if (token == OPERAND) {
nexttoken(0);
return tokval;
} else if (token == RP) {
nexttoken(0);
v = eval0();
if (token != LP) {
error();
/* NOTREACHED */
}
nexttoken(0);
return v;
} else {
error();
}
/* NOTREACHED */
}
Term Yap_eval_atom(Int f)
{
return eval0(f);
}
