secnds(3F)

Name

secnds - return system time in seconds since midnight

Synopsis

real function secnds (t0)
real t0

Description

The function secnds( t0 ) returns the system time as the number of seconds since midnight, minus t0, as in VMS.

Notes

Usage:

 
real  t, t0, secnds
     ...
t = secnds(t0)

Example:

 
demo% cat sec1.f
     real elapsed, t0, t1, x, y
     t0 = 0.0
     t1 = secnds( t0 )
     y = 0.1
     do i = 1, 1000
          x = asin( y )
     end do
     elapsed = secnds( t1 )
     write ( *, 1 ) elapsed
1    format ( ' 1000 arcsines: ', f12.6, ' sec' )
     end
demo% f77 -silent sec1.f
demo% a.out
 1000 arcsines: 6.699141 sec
demo%        

Files

libfui.a

See also

ctime(3C), itime(3F), idate(3F), fdate(3F)

FORTRAN 77 Reference Manual