-/*
- * Normal distribution table generator
- * Taken from the uncopyrighted NISTnet code.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include <limits.h>
-
-#include <linux/types.h>
-#include <linux/pkt_sched.h>
-
-#define TABLESIZE 16384
-#define TABLEFACTOR NETEM_DIST_SCALE
-
-static double
-normal(double x, double mu, double sigma)
-{
- return .5 + .5*erf((x-mu)/(sqrt(2.0)*sigma));
-}
-
-
-int
-main(int argc, char **argv)
-{
- int i, n;
- double x;
- double table[TABLESIZE+1];
-
- for (x = -10.0; x < 10.05; x += .00005) {
- i = rint(TABLESIZE * normal(x, 0.0, 1.0));
- table[i] = x;
- }
-
-
- printf("# This is the distribution table for the normal distribution.\n");
- for (i = n = 0; i < TABLESIZE; i += 4) {
- int value = (int) rint(table[i]*TABLEFACTOR);
- if (value < SHRT_MIN) value = SHRT_MIN;
- if (value > SHRT_MAX) value = SHRT_MAX;
-
- printf(" %d", value);
- if (++n == 8) {
- putchar('\n');
- n = 0;
- }
- }
-
- return 0;
-}