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/*@@
@file GRHydro_ReconstructTest.F90
@date Sat Jan 26 02:51:49 2002
@author Luca Baiotti
@desc
A test of the reconstruction algorithm.
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"
/*@@
@routine GRHydro_reconstruction_test
@date Sat Jan 26 02:52:17 2002
@author Luca Baiotti
@desc
Tests the reconstruction method by giving smoothly varying initial
data with a shock along the x axis.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine GRHydro_reconstruction_test(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
DECLARE_CCTK_PARAMETERS
integer i, j, k, nx, ny, nz, ierr
logical, dimension(:,:,:), allocatable :: trivial_rp
allocate(trivial_rp(cctk_lsh(1),cctk_lsh(2),cctk_lsh(3)),STAT=ierr)
if (ierr .ne. 0) then
call CCTK_WARN(0, "Allocation problems with trivial_rp")
end if
trivial_rp = .false.
nx = cctk_lsh(1)
ny = cctk_lsh(2)
nz = cctk_lsh(3)
xoffset = 1
yoffset = 0
zoffset = 0
do k=1, cctk_lsh(3)
do j=1, cctk_lsh(2)
do i=1, cctk_lsh(1)
if (i < 8) then
rho(i,j,k) = 5+sin(real(i+j+k)/2.)
else
rho(i,j,k) = 1+sin(real(i+j+k)/2.)
end if
end do
end do
end do
call tvdreconstruct(nx, ny, nz, xoffset, yoffset, zoffset, &
rho, rhoplus, rhominus, trivial_rp, hydro_excision_mask)
deallocate(trivial_rp)
open(unit=11,file='original.dat',status='unknown')
do i=1, CCTK_LSH(1)
write(11,*) i, rho(i,4,7)
write(*,*) i, rho(i,4,7)
end do
close(11)
open(unit=12,file='extensions.dat',status='unknown')
do i=2, CCTK_LSH(1)-1
write(12,*) i-0.5, rhominus(i,4,7)
write(12,*) i+0.5, rhoplus(i,4,7)
end do
close(12)
write(*,*) 'test_reconstruction: done tvdreconstruct.'
write(*,*) 'data written in files original.dat and extension.dat'
stop
return
end subroutine GRHydro_reconstruction_test
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