program main !*****************************************************************************80 ! !! colored_noise_test() tests colored_noise(). ! ! Licensing: ! ! This code is distributed under the MIT license. ! ! Modified: ! ! 10 June 2010 ! ! Author: ! ! John Burkardt ! implicit none integer, parameter :: rk = kind ( 1.0D+00 ) real ( kind = rk ) alpha integer i integer n real ( kind = rk ) q_d call timestamp ( ) write ( *, '(a)' ) ' ' write ( *, '(a)' ) 'colored_noise_test():' write ( *, '(a)' ) ' Fortran90 version' write ( *, '(a)' ) ' Test colored_noise().' call r8vec_sftf_test ( ) n = 128 q_d = 1.0D+00 alpha = 0.00D+00 do i = 0, 8 alpha = 0.25D+00 * real ( i, kind = rk ) call colored_noise_test01 ( n, q_d, alpha ) end do ! ! Terminate. ! write ( *, '(a)' ) ' ' write ( *, '(a)' ) 'colored_noise_test():' write ( *, '(a)' ) ' Normal end of execution.' write ( *, * ) ' ' call timestamp ( ) stop 0 end subroutine timestamp ( ) !*****************************************************************************80 ! !! timestamp() prints the current YMDHMS date as a time stamp. ! ! Example: ! ! 31 May 2001 9:45:54.872 AM ! ! Licensing: ! ! This code is distributed under the MIT license. ! ! Modified: ! ! 18 May 2013 ! ! Author: ! ! John Burkardt ! implicit none character ( len = 8 ) ampm integer d integer h integer m integer mm character ( len = 9 ), parameter, dimension(12) :: month = (/ & 'January ', 'February ', 'March ', 'April ', & 'May ', 'June ', 'July ', 'August ', & 'September', 'October ', 'November ', 'December ' /) integer n integer s integer values(8) integer y call date_and_time ( values = values ) y = values(1) m = values(2) d = values(3) h = values(5) n = values(6) s = values(7) mm = values(8) if ( h < 12 ) then ampm = 'AM' else if ( h == 12 ) then if ( n == 0 .and. s == 0 ) then ampm = 'Noon' else ampm = 'PM' end if else h = h - 12 if ( h < 12 ) then ampm = 'PM' else if ( h == 12 ) then if ( n == 0 .and. s == 0 ) then ampm = 'Midnight' else ampm = 'AM' end if end if end if write ( *, '(i2,1x,a,1x,i4,2x,i2,a1,i2.2,a1,i2.2,a1,i3.3,1x,a)' ) & d, trim ( month(m) ), y, h, ':', n, ':', s, '.', mm, trim ( ampm ) return end