# Interface definition for thorn Exact
# $Header$

implements: exact
inherits: admbase grid coordgauge staticconformal
friend: ADMCoupling

# evolution thorns need to include these files
# to get our terms in the stress-energy tensor
INCLUDES SOURCE: Scalar_CalcTmunu.inc in CalcTmunu.inc
INCLUDES       : Scalar_CalcTmunu_temps.inc in CalcTmunu_temps.inc

USES INCLUDE   : Slicing.h

################################################################################

#
# copies of our parameters (with keywords decoded into integers)
# for the use of the src/include/Scalar_CalcTmunu.inc code
# (see comments in param.ccl for why we need this)
#
protected:

int Exact_pars_int type=SCALAR
{
# ***** exact_model decoded to an integer
decoded_exact_model

# ***** parameters for models which have nonzero stress-energy tensor terms

### this metric doesn't work and has been moved to ../archive/
### parameters for Robertson-Walker spacetime
##Robertson_Walker___k
##Robertson_Walker___pressure
} "parameters copied to grid scalars so CalcTmunu code sees them in evolution thorns"

real Exact_pars_real type=SCALAR
{
# parameters for Schwarzschild-Lemaitre metric
# (Schwarzschild black hole with cosmological constant)
Schwarzschild_Lemaitre___Lambda
Schwarzschild_Lemaitre___mass
# parameters for Lemaitre-type spacetime
Lemaitre___kappa
Lemaitre___Lambda
Lemaitre___epsilon0
Lemaitre___R0
### this metric doesn't work and has been moved to ../archive/
### parameters for Robertson-Walker spacetime
##Robertson_Walker___R0
##Robertson_Walker___rho
# parameters for de Sitter spacetime
de_Sitter___scale
# parameters for de Sitter spacetime with cosmological constant
de_Sitter_Lambda___scale
# parameters for anti-de Sitter spacetime with cosmological constant
anti_de_Sitter_Lambda___scale
# parameters for Bertotti spacetime
Bertotti___Lambda
# parameters for Kasner-like spacetime
Kasner_like___q
# parameters for generalized Kasner spacetime
Kasner_generalized___p1
Kasner_generalized___p2
# parameters for constant density (Schwarzschild) star
constant_density_star___mass
constant_density_star___radius
} "parameters copied to grid scalars so CalcTmunu code sees them in evolution thorns"

################################################################################
##
### Robertson-Walker metric doesn't work and has been moved to ../archive/
###
### temp variable for some of the stress-energy tensor computations
###
##protected:
##real Exact_robwal_var TYPE=GF
##{
##   raza
##} "Raza universului Robertson Walker"
##
################################################################################

private:

real Exact_slice type=GF
{
  slicex,
  slicey,
  slicez,
  slicet
} "Position of an arbitrary slice in exact solution spacetime"

real Exact_slicetemp1 type=GF
{
  slicetmp1x,
  slicetmp1y,
  slicetmp1z,
  slicetmp1t
} "Temporary grid functions 1"

real Exact_slicetemp2 type=GF
{
  slicetmp2x,
  slicetmp2y,
  slicetmp2z,
  slicetmp2t
} "Temporary grid functions 2"