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fazBasic.C
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fazBasic.C
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#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>
#include <string.h>
#include <Macho.h>
#include <libsite.H>
#include <libclif.H>
#include "phase.H"
#include "fit/lcfit.H"
/* fits a single Lc, derived from fazAndy4 */
/* super basic : just phase a Lc and print out periods */
CommonLc *Lc;
static void usage(void);
int main( int argc, char *argv[] ) {
clifpar.load( );
ReimannPhaser rp( clifpar );
int minpts = 20;
int nobs, np, i, influx=0;
double period, fixp0, per, p0=0;
float sigma, tmin=-1e10, tmax=1e10;
char whichper[8];
char cmd[1024];
char buf[1024];
fixp0 = 0;
period = 0;
sigma = 0;
sprintf(whichper, "avg");
sprintf(cmd, "%s", argv[0]);
for (i = 1; i < argc; i++)
sprintf(cmd, "%s %s", cmd, argv[i]);
sprintf(cmd, "%s\n", cmd);
while(argc > 1 && (argv[1][0] == '-' || argv[1][0] == '+')) {
switch (argv[1][1]) {
case '?':
case 'h':
usage();
exit(0);
break;
case 'f':
influx = 1;
break;
case 'p':
if(argc == 2) {
fprintf(stderr, "-p requires a number");
exit(1);
} else {
argc--; argv++;
period = atof(argv[1]);
}
break;
case 't':
if(argc == 2) {
fprintf(stderr, "-t requires a number");
exit(1);
} else {
argc--; argv++;
fixp0 = atof(argv[1]);
}
break;
case 'm':
if(argc == 2) {
fprintf(stderr, "-m requires a number");
exit(1);
} else {
argc--; argv++;
minpts = atoi(argv[1]);
}
break;
case 'k':
if(argc == 2) {
fprintf(stderr, "-k requires a number");
exit(1);
} else {
argc--; argv++;
rp.KNOT = atoi(argv[1]);
}
break;
case 's':
if(argc == 2) {
fprintf(stderr, "-s requires a number");
exit(1);
} else {
argc--; argv++;
sigma = atof(argv[1]);
}
break;
case 'n':
if(argc == 2) {
fprintf(stderr, "-n requires a number");
exit(1);
} else {
argc--; argv++;
rp.NMIN = atoi(argv[1]);
}
break;
case 'i':
if(argc == 2) {
fprintf(stderr, "-i requires a number");
exit(1);
} else {
argc--; argv++;
rp.MINP = atof(argv[1]);
}
break;
case 'a':
if(argc == 2) {
fprintf(stderr, "-a requires a number");
exit(1);
} else {
argc--; argv++;
rp.MAXP = atof(argv[1]);
}
break;
case 'r':
if(argc == 2) {
fprintf(stderr, "-r requires a number");
exit(1);
} else {
argc--; argv++;
rp.RATE = atof(argv[1]);
}
break;
case 'b':
if(argc == 2) {
fprintf(stderr, "-b requires a number");
exit(1);
} else {
argc--; argv++;
rp.BASS = atof(argv[1]);
}
break;
case '0':
if(argc == 2) {
fprintf(stderr, "-0 requires a number");
exit(1);
} else {
argc--; argv++;
tmin = atof(argv[1]);
}
break;
case '1':
if(argc == 2) {
fprintf(stderr, "-1 requires a number");
exit(1);
} else {
argc--; argv++;
tmax = atof(argv[1]);
}
break;
default:
fprintf(stderr, "Unknown option %s\n", argv[1]);
exit(1);
break;
}
argc--;
argv++;
}
char *infile = argv[1];
/* read in ascii lightcurve */
FILE *fi = fopen( infile, "r" );
if ( !fi ) return 0;
nobs = 0;
int line = 1;
float mag, err;
double date;
while ( fgets(buf,1024,fi) ) {
if ( isalpha(buf[0]) || ispunct(buf[0]) ) continue;
else ++nobs;
}
rewind( fi );
Lc = new CommonLc( infile, 0 );
if (influx) {
Lc->norm1 = 0;
Lc->units = CommonLc::Linear;
}
else {
Lc->norm1 = 25;
Lc->units = CommonLc::Magnitude;
}
Lc->resize( nobs );
nobs = 0;
line = 1;
while ( fgets(buf,1024,fi) ) {
if ( isalpha(buf[0]) || ispunct(buf[0]) ) continue;
if ( sscanf( buf, "%lf %f %f", &date, &mag, &err) == 3 ) {
if (date > tmin && date < tmax) {
Lc->date[ nobs ] = date;
Lc->value[ nobs ] = mag;
Lc->error[ nobs ] = err;
Lc->obsid[ nobs ] = line;
if ((nobs > 1) && (Lc->date[ nobs ] < Lc->date[ nobs-1 ])) {
fprintf(stderr, "Must be monotonically increasing! %f %f\n", Lc->date[ nobs ], Lc->date[ nobs-1 ]);
fprintf(stderr, " %s\n", buf);
fprintf(stderr, " %f %f %f\n", date, mag, err);
exit(1);
}
++nobs;
}
}
++line;
}
Lc->nobs = nobs;
fclose( fi );
if (nobs < minpts) {
fprintf(stderr, "Too Few Points to Fit (%d < %d)\n", nobs, minpts);
exit(1);
}
if (!(influx)) {
fprintf(stdout, "Converting from Magnitudes to flux (if input in flux, use -f)\n");
Lc->convert( CommonLc::Linear );
}
else {
fprintf(stdout, "Leaving data in flux units\n");
}
sprintf(buf, "%s_Phase", Lc->title);
if (period == 0.) {
/* find the periods */
np = 0;
per = 0;
if ( Lc ) {
fprintf(stdout, "Phasing \n");
//fprintf(stderr, "Data 0 : %lf %f %f\n", Lc->date[0], Lc->value[0], Lc->error[0]);
if( rp.phase( *Lc ) ) {
fprintf(stdout, "Could not determine period\n");
} else {
++np;
per = 1.0/rp.FF[0];
}
fprintf(stdout, "Period : %.8lf\n", per);
fprintf(stdout, " %13.9f %8.4f %8.4f\n %13.9f %8.4f %8.4f\n %13.9f %8.4f %8.4f\n %13.9f %8.4f %8.4f\n %13.9f %8.4f %8.4f\n",
1.0 / rp.FF[0], rp.mm[0], rp.TT[0],
1.0 / rp.FF[1], rp.mm[1], rp.TT[1],
1.0 / rp.FF[2], rp.mm[2], rp.TT[2],
1.0 / rp.FF[3], rp.mm[3], rp.TT[3],
1.0 / rp.FF[4], rp.mm[4], rp.TT[4]);
}
}
}
static void usage(void)
{
char **line;
static char *msg[] = {
"Usage: fazAndy [options] 2Mass_data_file",
"",
"Your options are:",
" -h This message",
" -m Minimum number of data points : 20",
" -p Fix period (fast)",
" -t Fix t0 (use with -p)",
" -s Sigma clip output data",
" -n Phaser NMIN : 20",
" -a Phaser MAXP : -1 (full timeseries)",
" -i Phaser MINP : 0.1 (halving this doubles runtime)",
" -r Phaser RATE : 6.0 (doubling doubles runtime)",
" -b Phaser BASS : 0.0",
" -0 Minimum Date",
" -1 Maximum Date",
NULL,
};
for(line = msg;*line != NULL;line++) {
fprintf(stderr,"%s\n",*line);
}
}