Blame netem/pareto.c

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/*
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 * Pareto distribution table generator
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 * Taken from the uncopyrighted NISTnet code.
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <limits.h>
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#include <linux/types.h>
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#include <linux/pkt_sched.h>
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static const double a=3.0;
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#define TABLESIZE	16384
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#define TABLEFACTOR	NETEM_DIST_SCALE
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int
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main(int argc, char **argv)
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{
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	int i, n;
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	double dvalue;
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	printf("# This is the distribution table for the pareto distribution.\n");
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	for (i = 65536, n = 0; i > 0; i -= 16) {
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		dvalue = (double)i/(double)65536;
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		dvalue = 1.0/pow(dvalue, 1.0/a);
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		dvalue -= 1.5;
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		dvalue *= (4.0/3.0)*(double)TABLEFACTOR;
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		if (dvalue > 32767)
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			dvalue = 32767;
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		printf(" %d", (int)rint(dvalue));
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		if (++n == 8) {
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			putchar('\n');
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			n = 0;
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		}
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	}
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	return 0;
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}