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/*@@
@file GRHydro_C2P2C.F90
@date Sat Jan 26 02:44:43 2002
@author Luca Baiotti
@desc
A test of the conservative <--> primitive variable exchange
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
/*@@
@routine c2p2c
@date Sat Jan 26 02:45:19 2002
@author Luca Baiotti
@desc
Testing the conservative <--> primitive variable transformations.
The values before and after should match.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine c2p2c(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
DECLARE_CCTK_PARAMETERS
#if !USE_EOS_OMNI
#ifdef _EOS_BASE_INC_
#undef _EOS_BASE_INC_
#endif
#include "EOS_Base.inc"
#endif
integer didit,i,j,k,nx,ny,nz
CCTK_REAL det
CCTK_REAL uxx,uxy,uxz,uyy,uyz,uzz
CCTK_REAL gxx_send,gxy_send,gxz_send,gyy_send,gyz_send,gzz_send
CCTK_REAL dens_send,sx_send,sy_send,sz_send,tau_send
CCTK_REAL rho_send,velx_send,vely_send,velz_send,eps_send
CCTK_REAL press_send,w_lorentz_send,x_send,y_send,z_send,r_send
CCTK_REAL pmin, epsmin
CCTK_INT C2P_failed
logical epsnegative
#if USE_EOS_OMNI
! begin EOS Omni vars
integer :: n = 1
integer :: keytemp = 0
integer :: anyerr = 0
integer :: keyerr(1) = 0
real*8 :: xpress = 0.0d0
real*8 :: xeps = 0.0d0
real*8 :: xtemp = 0.0d0
real*8 :: xye = 0.0d0
! end EOS Omni vars
#endif
call CCTK_WARN(1,"This test works only with Ideal_Fluid EoS")
nx = cctk_lsh(1)
ny = cctk_lsh(2)
nz = cctk_lsh(3)
x_send = 0.0d0
y_send = 0.0d0
z_send = 0.0d0
r_send = 0.0d0
gxx_send = 1.0d0
gyy_send = 1.0d0
gzz_send = 1.0d0
gxy_send = 0.0d0
gxz_send = 0.0d0
gyz_send = 0.0d0
det = 1.0d0
uxx = 1.0d0
uyy = 1.0d0
uzz = 1.0d0
uxy = 0.0d0
uxz = 0.0d0
uyz = 0.0d0
dens_send = 1.29047362d0
sx_send = 0.166666658d0
sy_send = 0.166666658d0
sz_send = 0.166666658d0
tau_send = 0.484123939d0
eps_send = 1.0d-6
press_send = 6.666666666666667d-7
w_lorentz_send = 1.0d0
epsnegative = .false.
GRHydro_rho_min = 1.e-10
#if USE_EOS_OMNI
call EOS_Omni_press(GRHydro_eos_handle,keytemp,n,&
GRHydro_rho_min,1.0d0,xtemp,xye,pmin,keyerr,anyerr)
call EOS_Omni_EpsFromPress(GRHydro_eos_handle,keytemp,n,&
GRHydro_rho_min,xeps,xtemp,xye,pmin,epsmin,keyerr,anyerr)
#else
pmin = EOS_Pressure(GRHydro_eos_handle, GRHydro_rho_min, 1.0d0)
epsmin = EOS_SpecificIntEnergy(GRHydro_eos_handle, GRHydro_rho_min, pmin)
#endif
C2P_failed = 0
write(*,*) 'C2P2C test: initial values.'
write(*,*) ' conservative variables: '
write(*,*) ' dens: ',dens_send
write(*,*) ' sx : ',sx_send
write(*,*) ' sy : ',sy_send
write(*,*) ' sz : ',sz_send
write(*,*) ' tau : ',tau_send
write(*,*) ' eps : ',eps_send
write(*,*) ' W : ',w_lorentz_send
write(*,*) 'C2P2C test: getting the associated primitive variables.'
call Con2Prim_pt(GRHydro_eos_handle,dens_send,sx_send,sy_send,sz_send, &
tau_send,rho_send,velx_send,vely_send,velz_send, &
eps_send,press_send,w_lorentz_send, &
uxx,uxy,uxz,uyy,uyz,uzz,det,x_send,y_send,z_send,r_send,&
epsnegative,GRHydro_rho_min, pmin, epsmin, GRHydro_init_data_reflevel,C2P_failed)
write(*,*) 'C2P2C test: the primitive variables are'
write(*,*) ' primitive variables: '
write(*,*) ' rho : ',rho_send
write(*,*) ' velx : ',velx_send
write(*,*) ' vely : ',vely_send
write(*,*) ' velz : ',velz_send
write(*,*) ' press : ',press_send
write(*,*) ' eps : ',eps_send
write(*,*) ' W : ',w_lorentz_send
write(*,*) 'C2P2C test: converting back to conserved variables.'
call prim2con(GRHydro_eos_handle,gxx_send, gxy_send, gxz_send, gyy_send, gyz_send, gzz_send, det, &
dens_send, sx_send, sy_send, sz_send, tau_send, rho_send, &
velx_send, vely_send, velz_send, eps_send, press_send, w_lorentz_send)
write(*,*) 'C2P2C test: the conserved variables are'
write(*,*) ' conservative variables: '
write(*,*) ' dens: ',dens_send
write(*,*) ' sx : ',sx_send
write(*,*) ' sy : ',sy_send
write(*,*) ' sz : ',sz_send
write(*,*) ' tau : ',tau_send
write(*,*) ' eps : ',eps_send
write(*,*) ' W : ',w_lorentz_send
STOP
return
end subroutine c2p2c
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