gcc/testsuite/gfortran.dg/secnds-1.f

   1 C { dg-do run }
   2 C { dg-options "-ffloat-store" }
   3 C Tests fix for PR29099 - SECNDS intrinsic wrong result with no delay.
   4 C
   5 C Contributed by Paul Thomas  <pault@gcc.gnu.org>
   6 C
   7       character*20 dum1, dum2, dum3
   8       real t1, t1a, t2, t2a
   9       real*4 dat1, dat2
  10       integer i, j, values(8), k
  11       t1 = secnds (0.0)
  12       call date_and_time (dum1, dum2, dum3, values)
  13       t1a = secnds (0.0)
  14       dat1 = 0.001 * real(values(8)) + real(values(7)) +
  15      &        60.0 * real(values(6)) + 3600.0 * real(values(5))
  16       ! handle midnight shift
  17       if ((t1a - t1) < -12.0*3600.0 ) t1 = t1 - 24.0*3600.0
  18       if ((t1a - dat1) < -12.0*3600.0 ) dat1 = dat1 - 24.0*3600.0
  19       if ((dat1 < nearest(t1, -1.)) .or. (dat1  > nearest(t1a, 1.)))
  20      &    call abort ()
  21       t2a = secnds (t1a)
  22       call date_and_time (dum1, dum2, dum3, values)
  23       t2 = secnds (t1)
  24       dat2 = 0.001 * real(values(8)) + real(values(7)) +
  25      &        60.0 * real(values(6)) + 3600.0 * real(values(5))
  26       ! handle midnight shift
  27       if ((dat2 - dat1) < -12.0*3600.0 ) dat1 = dat1 - 24.0*3600.0
  28       if (((dat2 - dat1) < t2a - 0.008) .or.
  29      &    ((dat2 - dat1) > t2 + 0.008)) call abort ()
  30       end