template<class T, class Tab> int search_in_ordered_vect(T x, const Tab & v) {
if (!v.size_array())
return -1;
int i1=0;
int i;
int i2 = (int)v.size_array()-1;
while (i1 != i2) {
i = (i1+i2)/2;
if (v[i] < x)
i1=i+1;
else
i2=i;
}
if (v[i1] == x)
return i1;
return -1;
}
static void retirer_doublons(Tab & tab, const T epsilon)
{
int i = 0;
int j;
const int n = tab.size_array();
T last_tab_i = -1e40;
for (j = 0; j < n; j++) {
const T x = tab[j];
assert(x >= last_tab_i); // Array must be sorted
if (x - last_tab_i > epsilon) {
tab[i] = x;
last_tab_i = x;
i++;
}
}
tab.resize_array(i);
}