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#include "likelihood.h"
#include <stdio.h>
#include "zebra.h"
#include "Record_Info.h"
#include "event.h"
#include "zdab_utils.h"
#include "scattering.h"
#include "pmt.h"
#include "sno_charge.h"
#include "db.h"
#include "dqxx.h"
#include <nlopt.h>
#include <math.h> /* for sin(), cos(), etc. */
#define EV_RECORD 0x45562020 // 'EV ' (as written to ZDAB file)
double nll(unsigned int n, const double *x, double *grad, void *params)
{
double T, theta, phi, t0;
double pos[3], dir[3];
static size_t iter;
double fval;
T = x[0];
pos[0] = x[1];
pos[1] = x[2];
pos[2] = x[3];
theta = x[4];
phi = x[5];
dir[0] = sin(theta)*cos(phi);
dir[1] = sin(theta)*sin(phi);
dir[2] = cos(theta);
t0 = x[6];
fval = nll_muon((event *) params, T, pos, dir, t0);
printf("%5zu %10.2f %7.2f %7.2f %7.2f %4.2f %4.2f %5.2f f() = %7.3e\n",
iter++,
x[0],
x[1],
x[2],
x[3],
x[4],
x[5],
x[6],
fval);
return fval;
}
int main(int argc, char **argv)
{
int i;
zebraFile *f;
bank b;
int rv;
PMTBank bpmt;
EVBank bev;
event ev = {0};
int crate, card, channel;
int id;
double x[7];
double ss[7];
double opt_f;
if (argc < 2) {
fprintf(stderr, "usage: fit [filename]\n");
return 1;
}
f = zebra_open(argv[1]);
if (!f) {
fprintf(stderr, "%s\n", zebra_err);
return 1;
}
load_pmt_info();
for (i = 0; i < 10000; i++) {
ev.pmt_hits[i].hit = 0;
ev.pmt_hits[i].flags = 0;
}
ev.run = -1;
nlopt_opt opt = nlopt_create(NLOPT_LN_SBPLX, 7);
nlopt_set_min_objective(opt,nll,&ev);
init_interpolation();
init_charge();
dict *db = db_init();
if (load_file(db, "DQXX_0000010000.dat")) {
fprintf(stderr, "failed to load DQXX_0000010000.dat: %s\n", db_err);
exit(1);
}
if (dqxx_init(db, &ev)) {
fprintf(stderr, "failed to initialize DQXX bank: %s\n", dqxx_err);
exit(1);
}
while (1) {
rv = next_bank(f, &b);
if (rv == -1) {
fprintf(stderr, "error getting bank: %s\n", zebra_err);
goto err;
} else if (rv == 1) {
/* EOF */
break;
}
if (b.name == PMT_RECORD) {
unpack_pmt(b.data, &bpmt);
card = bpmt.pin/1024;
crate = (bpmt.pin % 1024)/32;
channel = bpmt.pin % 32;
id = crate*512 + card*32 + channel;
ev.pmt_hits[id].hit = 1;
ev.pmt_hits[id].t = bpmt.pt;
ev.pmt_hits[id].qhl = bpmt.phl;
ev.pmt_hits[id].qhs = bpmt.phs;
ev.pmt_hits[id].qlx = bpmt.plx;
//ev.pmt_hits[id].flags |= bpmt.pn & KPF_DIS;
} else if (b.name == EV_RECORD) {
unpack_ev(b.data, &bev);
if (ev.run != -1) {
if (ev.run != bev.run || ev.gtid != bev.gtr_id) {
/* New event, so we need to fit the old event. */
x[0] = 500.0;
x[1] = 100.0;
x[2] = 100.0;
x[3] = 100.0;
x[4] = 1.57;
x[5] = 0.0;
x[6] = 120.0;
ss[0] = 10.0;
ss[1] = 10.0;
ss[2] = 10.0;
ss[3] = 10.0;
ss[4] = 0.1;
ss[5] = 0.1;
ss[6] = 1.0;
nlopt_set_initial_step(opt, ss);
nlopt_optimize(opt,x,&opt_f);
}
}
ev.run = bev.run;
ev.gtid = bev.gtr_id;
}
}
free_interpolation();
db_free(db);
nlopt_destroy(opt);
zebra_close(f);
return 0;
err:
zebra_close(f);
return 1;
}
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