program main !*****************************************************************************80 ! !! asa005_test() tests asa005(). ! ! Licensing: ! ! This code is distributed under the MIT license. ! ! Modified: ! ! 26 January 2008 ! ! Author: ! ! John Burkardt ! implicit none call timestamp ( ) write ( *, '(a)' ) ' ' write ( *, '(a)' ) 'asa005_test():' write ( *, '(a)' ) ' FORTRAN90 version' write ( *, '(a)' ) ' Test asa005().' call prncst_test ( ) ! ! Terminate. ! write ( *, '(a)' ) ' ' write ( *, '(a)' ) 'asa005_test():' write ( *, '(a)' ) ' Normal end of execution.' write ( *, '(a)' ) ' ' call timestamp ( ) stop 0 end subroutine prncst_test ( ) !*****************************************************************************80 ! !! prncst_test() tests prncst(). ! ! Licensing: ! ! This code is distributed under the MIT license. ! ! Modified: ! ! 26 January 2008 ! ! Author: ! ! John Burkardt ! implicit none integer, parameter :: rk = kind ( 1.0D+00 ) integer df real ( kind = rk ) fx real ( kind = rk ) fx2 integer ifault real ( kind = rk ) lambda integer n_data real ( kind = rk ) prncst real ( kind = rk ) x write ( *, '(a)' ) ' ' write ( *, '(a)' ) 'prncst_test():' write ( *, '(a)' ) ' prncst() computes the noncentral Student T ' write ( *, '(a)' ) ' Cumulative Density Function.' write ( *, '(a)' ) ' Compare with tabulated values.' write ( *, '(a)' ) ' ' write ( *, '(a,a)' ) ' X LAMBDA DF ', & ' CDF CDF DIFF' write ( *, '(a,a)' ) ' ', & ' Tabulated PRNCST' write ( *, '(a)' ) ' ' n_data = 0 do call student_noncentral_cdf_values ( n_data, df, lambda, x, fx ) if ( n_data == 0 ) then exit end if fx2 = prncst ( x, df, lambda, ifault ) write ( *, & '(2x,f6.2,2x,f6.2,2x,i2,2x,g24.16,2x,g24.16,2x,g10.4)' ) & x, lambda, df, fx, fx2, abs ( fx - fx2 ) end do return 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: ! ! 26 August 2021 ! ! 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