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/* fitting_test.c
* 17 June 1997 (see notebook)
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <assert.h>
#include "structs.h"
#include "funcs.h"
#include "squid.h"
#include "globals.h"
int
main(int argc, char **argv)
{
int n; /* number of EVD samples */
float p1, p2;
struct histogram_s *histog;
int i,j;
float x;
int seed;
int do_evd, set, fit_evd, show_hist;
p1 = atof(argv[1]); /* mu or mean */
p2 = atof(argv[2]); /* lambda or sd */
n = atoi(argv[3]); /* # of histograms */
do_evd = atoi(argv[4]); /* 1 to sample EVD; 0 to sample Gaussian */
set = atoi(argv[5]); /* 1 to set instead of fit the dist */
fit_evd = atoi(argv[6]); /* 1 to fit EVD; 0 to fit Gaussian */
show_hist = atoi(argv[7]); /* 1 to show histogram */
seed = (int) time ((time_t *) NULL);
sre_srandom(seed);
for (j = 0; j < n; j++)
{
histog = AllocHistogram(-200, 200, 100);
for (i = 0; i < 2500; i++)
{
if (do_evd) x = EVDrandom(p1, p2);
else x = Gaussrandom(p1, p2);
assert(x > -100.);
assert(x < 100.);
AddToHistogram(histog, x);
}
if (set && fit_evd)
ExtremeValueSetHistogram(histog, p1, p2);
else if (set && !fit_evd)
GaussianSetHistogram(histog, p1, p2);
else if (!set && fit_evd)
ExtremeValueFitHistogram(histog, 9999.);
else
GaussianFitHistogram(histog, 9999.);
printf("%f\n", histog->chip);
if (show_hist)
PrintASCIIHistogram(stdout, histog);
FreeHistogram(histog);
}
return 0;
}
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