00001 #include <sys/types.h>
00002 #if !defined(_WIN32) || defined(__NUTC__)
00003 #include <sys/times.h>
00004 #endif
00005 #include <sys/stat.h>
00006 #include <time.h>
00007 #ifndef CLK_TCK
00008 # define CLK_TCK CLOCKS_PER_SEC
00009 #endif
00010
00011 double elapsed_time (void)
00012 {
00013 #if defined(_WIN32) && !defined(__NUTC__)
00014 return (double)clock() / (double)CLK_TCK;
00015 #else
00016 struct tms clock;
00017 double usrtime;
00018 double systime;
00019
00020 times(&clock);
00021 usrtime = (double) clock.tms_utime / (double)CLK_TCK;
00022 systime = (double) clock.tms_stime / (double)CLK_TCK;
00023 return (usrtime + systime);
00024 #endif
00025 }
00026
00027 double file_size (char *fname)
00028 {
00029 struct stat st;
00030
00031 if (stat (fname, &st)) return 0.0;
00032 return (double)st.st_size / 1048576.0;
00033 }
00034
