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!!*****************************************************************************
!!
!! program: Godunov-AMR
!!
!! Copyright (C) 2008 Grzegorz Kowal <kowal@astro.wisc.edu>
!!
!!*****************************************************************************
!!
!! This file is part of Godunov-AMR.
!!
!! Godunov-AMR is free software; you can redistribute it and/or modify
!! it under the terms of the GNU General Public License as published by
!! the Free Software Foundation; either version 3 of the License, or
!! (at your option) any later version.
!!
!! Godunov-AMR is distributed in the hope that it will be useful,
!! but WITHOUT ANY WARRANTY; without even the implied warranty of
!! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
!! GNU General Public License for more details.
!!
!! You should have received a copy of the GNU General Public License
!! along with this program. If not, see <http://www.gnu.org/licenses/>.
!!
!!*****************************************************************************
!!
!
program godunov
! modules
!
use config , only : read_config, nmax, tmax, dtini, dtout, ftype
use evolution, only : evolve, n, t, dt
use io , only : write_data
use mesh , only : init_mesh, clear_mesh
use timer , only : init_timers, start_timer, stop_timer &
, get_timer, get_timer_total
!
!-------------------------------------------------------------------------------
!
! local variables
!
character(len=60) :: fmt
integer :: no
real :: tall
!
!-------------------------------------------------------------------------------
!
! print info message
!
write (*,"(1x,78('-'))")
write (*,"(1x,18('='),4x,a,4x,19('='))") ' Godunov-AMR algorithm '
write (*,"(1x,18('='),4x,a,4x,19('='))") 'Copyright (C) 2008 Grzegorz Kowal'
write (*,"(1x,78('-'))")
write (*,*)
! read configuration file
!
call read_config
! initialize timers
!
call init_timers
! reset number of iterations and time, etc.
!
n = 0
t = 0.0
dt = dtini
no = 0
! initialize our adaptive mesh, refine that mesh to the desired level
! according to the initialized problem
!
call start_timer(1)
call init_mesh
call stop_timer(1)
! write down the initial state
!
call start_timer(3)
call write_data(ftype, no, 0)
call stop_timer(3)
! TODO: main loop, perform one step evolution of the system, do refinement/derefinement
! TODO: get new time step, dump data, print info about the progress
! print information
!
write(*,*)
write(*,"(1x,a)" ) "Evolving system:"
! main loop
!
do while((n .lt. nmax) .and. (t .le. tmax))
! advance the iteration number and time
!
t = t + dt
n = n + 1
! performe one step evolution
!
call start_timer(2)
call evolve
call stop_timer(2)
! store data
!
call start_timer(3)
if (dtout .gt. 0.0 .and. no .lt. (int(t/dtout))) then
no = no + 1
call write_data(ftype, no, 0)
endif
call stop_timer(3)
! print progress information
!
if (mod(n, 50) .eq. 1) &
write(*,'(4x,a4,3(3x,a9,3x),4x,a12)') 'iter', 'time ', 'dt ', 'dtnew ', 'remain. time'
write(*,'(i8,3(1x,1pe14.6),2x,1i4.1,"d",1i2.2,"h",1i2.2,"m",1i2.2,"s")') n, t, dt, 0.0, 0, 0, 0, 0!, dtn, ed, eh, em, es
end do
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! write down the final state
!
call start_timer(3)
no = no + 1
call write_data(ftype, no, 0)
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call stop_timer(3)
! deallocate and reset mesh
!
call start_timer(1)
call clear_mesh
call stop_timer(1)
! get total time
!
tall = get_timer_total()
! print info about execution times
!
write(fmt,"(a,i2,a)") "(a27,1f", max(1, nint(alog10(tall))) + 6, ".4,' secs = ',f7.3,' %')"
write (*,*)
write (*,fmt) "Time for initialization : ", get_timer(1), 100.0*get_timer(1)/tall
write (*,fmt) "Time for evolution : ", get_timer(2), 100.0*get_timer(2)/tall
write (*,fmt) "Time for data output : ", get_timer(3), 100.0*get_timer(3)/tall
write (*,fmt) "EXECUTION TIME : ", tall, 100.0
!-------------------------------------------------------------------------------
!
end program