/* file: time2sec.c G. Moody 9 July 2003
Last revised: 14 March 2009
-------------------------------------------------------------------------------
time2sec: Convert a string in WFDB standard time format to time in seconds
Copyright (C) 2003-2009 George B. Moody
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, see <http://www.gnu.org/licenses/>.
You may contact the author by e-mail (wfdb@physionet.org) or postal mail
(MIT Room E25-505A, Cambridge, MA 02139 USA). For updates to this software,
please visit PhysioNet (http://www.physionet.org/).
_______________________________________________________________________________
*/
#include <stdio.h>
#include <wfdb/wfdb.h>
main(argc, argv)
int argc;
char **argv;
{
double t;
int milliseconds;
long seconds;
if (argc == 4 && strcmp(argv[1], "-r") == 0) {
(void)isigopen(argv[2], NULL, 0);
t = strtim(argv[3]);
if (t < 0) t = -t;
seconds = (long)(t/sampfreq(NULL));
t -= (double)(seconds*sampfreq(NULL));
milliseconds = (long)((t*1000.)/sampfreq(NULL) + 0.5);
if (milliseconds >= 1000) { seconds++; milliseconds -= 1000; }
printf("%ld", seconds);
if (milliseconds)
printf(".%03d", milliseconds);
printf("\n");
// printf("%.12g\n", t/sampfreq(NULL));
exit(0);
}
else if (argc == 2 && argv[1][0] != '-') {
setsampfreq(1000.0);
printf("%.12g\n", strtim(argv[1])/1000.0);
exit(0);
}
fprintf(stderr, "usage: %s [-r RECORD] TIME\n", argv[0]);
fprintf(stderr, " where TIME (in hh:mm:ss format) is a time interval\n");
fprintf(stderr, " to be converted into seconds. Enclose TIME in\n");
fprintf(stderr, " square brackets (e.g., [9:0:0]) to convert a time\n");
fprintf(stderr, " of day to the elapsed time in seconds from the\n");
fprintf(stderr, " beginning of the (optionally) specified RECORD.\n");
exit(1);
}