void StructuredDataset::Randomize() {
int *perm = RandPerm(num_examples);
StructuredExample **examples_new = (StructuredExample**)malloc(sizeof(StructuredExample*)*(num_examples));
for(int i = 0; i < num_examples; i++)
examples_new[i] = examples[perm[i]];
free(examples);
examples = examples_new;
free(perm);
}
/*---------------------------------------------------------------
RandPermList() - randomly permutes members of the given list.
------------------------------------------------------------*/
int RandPermList(int N, int *v)
{
int *p, *vp, n;
if (v==NULL)
{
printf("ERROR: RandPermVect: vector is null\n");
return(1);
}
p = RandPerm(N,NULL);
vp = (int *) calloc(sizeof(int),N);
for (n=0;n<N;n++) vp[n] = v[n];
for (n=0;n<N;n++) v[n] = vp[p[n]];
free(p);
free(vp);
return(0);
}