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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h> /* for errno */
#include <string.h> /* for strerror() */
#include "likelihood.h"
void usage(void)
{
fprintf(stderr,"Usage: ./test-time-pdf\n");
fprintf(stderr," -n number of points\n");
fprintf(stderr," --mu-noise Expected number of noise PE\n");
fprintf(stderr," --mu-indirect Expected number of PE from scattered/reflected light\n");
fprintf(stderr," --mu-shower Expected number of PE from the electromagnetic shower\n");
fprintf(stderr," --ts Expected time of direct light\n");
fprintf(stderr," --ts-shower Expected time of shower light\n");
fprintf(stderr," --t-mean Starting time for scattered/reflected light\n");
fprintf(stderr," --t-sigma Standard deviation of direct light\n");
fprintf(stderr," --ts-sigma Standard deviation of shower light\n");
fprintf(stderr," -h Display this help message\n");
exit(1);
}
int main(int argc, char **argv)
{
size_t i, n;
double *x;
double mu_noise, mu_indirect, mu_direct, mu_shower, ts, ts_shower, tmean, tsigma, ts_sigma;
n = 1000;
mu_noise = 0.1;
mu_indirect = 0.5;
mu_direct = 1.0;
mu_shower = 1.0;
ts = 100.0;
ts_shower = 120.0;
tmean = 100.0;
tsigma = PMT_TTS;
ts_sigma = 10.0;
for (i = 1; i < argc; i++) {
if (!strncmp(argv[i], "--", 2)) {
if (!strcmp(argv[i]+2,"mu-noise")) {
mu_noise = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"mu-indirect")) {
mu_indirect = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"mu-direct")) {
mu_direct = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"mu-shower")) {
mu_shower = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"ts")) {
ts = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"ts-shower")) {
ts_shower = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"t-mean")) {
tmean = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"t-sigma")) {
tsigma = strtod(argv[++i],NULL);
continue;
} else if (!strcmp(argv[i]+2,"ts-sigma")) {
ts_sigma = strtod(argv[++i],NULL);
continue;
}
} else if (argv[i][0] == '-') {
switch (argv[i][1]) {
case 'n':
n = atoi(argv[++i]);
break;
case 'h':
usage();
default:
fprintf(stderr, "unrecognized option '%s'\n", argv[i]);
exit(1);
}
}
}
x = malloc(n*sizeof(double));
for (i = 0; i < n; i++) {
x[i] = GTVALID*i/(n-1);
}
FILE *pipe = popen("graph -T X --bitmap-size 2000x2000 -X 'Time (ns)' -Y Probability", "w");
if (!pipe) {
fprintf(stderr, "error running graph command: %s\n", strerror(errno));
exit(1);
}
for (i = 0; i < n; i++) {
fprintf(pipe, "%.10f %.10f\n", x[i], time_pdf(x[i],mu_noise,mu_indirect,&mu_direct,&mu_shower,1,&ts,&ts_shower,tmean,tsigma,&ts_sigma));
}
fprintf(pipe, "\n\n");
for (i = 0; i < n; i++) {
fprintf(pipe, "%.10f %.10f\n", x[i], time_cdf(x[i],mu_noise,mu_indirect,&mu_direct,&mu_shower,1,&ts,&ts_shower,tmean,tsigma,&ts_sigma));
}
fprintf(pipe, "\n\n");
if (pclose(pipe)) {
fprintf(stderr, "error closing graph command: %s\n", strerror(errno));
exit(1);
}
free(x);
return 0;
}
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