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#include <sys/types.h>
#if !defined(_WIN32) || defined(__NUTC__)
#include <sys/times.h>
#endif
#include <sys/stat.h>
#include <time.h>
#ifndef CLK_TCK
# define CLK_TCK CLOCKS_PER_SEC
#endif
double elapsed_time (void)
{
#if defined(_WIN32) && !defined(__NUTC__)
return (double)clock() / (double)CLK_TCK;
#else
struct tms clock;
double usrtime;
double systime;
times(&clock);
usrtime = (double) clock.tms_utime / (double)CLK_TCK;
systime = (double) clock.tms_stime / (double)CLK_TCK;
return (usrtime + systime);
#endif
}
double file_size (char *fname)
{
struct stat st;
if (stat (fname, &st)) return 0.0;
return (double)st.st_size / 1048576.0;
}
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