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/* small utility functions */
#include <stdlib.h>
#include "base/nebu_random.h"
#include "base/nebu_types.h"
void randomPermutation( int N, int *nodes )
{
int i;
for(i = 0; i < N; i++)
nodes[i] = i;
for(i = 0; i < N - 1; i++) {
int s, t;
int tmp;
t = N - 1 - i;
// s = (int) ((float)( t + 1 ) * trand() / (RAND_MAX + 1.0f));
s = trand() % (t + 1);
tmp = nodes[t];
nodes[t] = nodes[s];
nodes[s] = tmp;
}
}
void clamp( float *f, float min, float max )
{
if(*f < min) *f = min;
else if(*f > max) *f = max;
}
void addList(List **l, void* data) {
List *p;
if(*l == NULL) {
*l = (List*) malloc(sizeof(List));
(*l)->next = NULL;
}
for(p = *l; p->next != NULL; p = p->next);
p->next = (List*) malloc(sizeof(List));
p->next->next = NULL;
p->data = data;
}
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