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/*@@
@file EOS_GP.F90
@date Mon Mar 14 16:42:15 2005
@author Ian Hawke
@desc
The functions that actually set the polytropic EOS
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Parameters.h"
subroutine EOS_GP_Pressure(nelems, rho, press)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: rho
CCTK_REAL, dimension(nelems), intent(out) :: press
press = p_geom_factor * eos_k_cgs * &
(rho * rho_geom_factor_inv) ** eos_gamma_local
end subroutine EOS_GP_Pressure
subroutine EOS_GP_IntEn(nelems, rho, IntEn)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: rho
CCTK_REAL, dimension(nelems), intent(out) :: IntEn
IntEn = p_geom_factor * eos_k_cgs * &
(rho * rho_geom_factor_inv) ** eos_gamma_local / &
(rho * (eos_gamma_local - 1.d0) )
end subroutine EOS_GP_IntEn
subroutine EOS_GP_DPDRho(nelems, rho, dpdrho)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: rho
CCTK_REAL, dimension(nelems), intent(out) :: dpdrho
dpdrho = p_geom_factor * eos_k_cgs * &
eos_gamma_local * rho_geom_factor_inv * &
(rho * rho_geom_factor_inv) ** (eos_gamma_local - 1.d0)
end subroutine EOS_GP_DPDRho
subroutine EOS_GP_DPDIE(nelems, rho, dpdie)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: rho
CCTK_REAL, dimension(nelems), intent(out) :: dpdie
dpdie = 0.d0
end subroutine EOS_GP_DPDIE
subroutine EOS_GP_cs2(nelems, rho, cs2)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: rho
CCTK_REAL, dimension(nelems), intent(out) :: cs2
cs2 = (p_geom_factor * eos_k_cgs * eos_gamma_local * rho_geom_factor_inv * &
(rho * rho_geom_factor_inv) ** (eos_gamma_local - 1.d0)) / &
(1.d0 + p_geom_factor * eos_k_cgs * eos_gamma_local * &
rho_geom_factor_inv / (eos_gamma_local - 1.d0) * &
(rho * rho_geom_factor_inv) ** (eos_gamma_local - 1.d0))
end subroutine EOS_GP_cs2
/*@@
@routine Inverse functions
@date Mon Apr 4 11:03:04 2005
@author Ian Hawke
@desc
Give P find the results...
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine EOS_GP_Inv_Rho(nelems, press, rho)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: press
CCTK_REAL, dimension(nelems), intent(out) :: rho
rho = rho_geom_factor * &
(press / p_geom_factor / eos_k_cgs) ** (1.d0 / eos_gamma_local)
end subroutine EOS_GP_Inv_Rho
subroutine EOS_GP_Inv_IntEn(nelems, press, IntEn)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: press
CCTK_REAL, dimension(nelems), intent(out) :: IntEn
IntEn = press / &
( (eos_gamma_local - 1.d0) * rho_geom_factor * &
(press / p_geom_factor / eos_k_cgs) ** (1.d0 / eos_gamma_local) )
end subroutine EOS_GP_Inv_IntEn
subroutine EOS_GP_Inv_DPDRho(nelems, press, dpdrho)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: press
CCTK_REAL, dimension(nelems), intent(out) :: dpdrho
dpdrho = p_geom_factor * eos_k_cgs * &
eos_gamma_local * rho_geom_factor_inv * &
(press / (p_geom_factor * eos_k_cgs) ) ** &
( (eos_gamma_local - 1.d0) / eos_gamma_local )
end subroutine EOS_GP_Inv_DPDRho
subroutine EOS_GP_Inv_DPDIE(nelems, press, dpdie)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: press
CCTK_REAL, dimension(nelems), intent(out) :: dpdie
dpdie = 0.d0
end subroutine EOS_GP_Inv_DPDIE
subroutine EOS_GP_Inv_cs2(nelems, press, cs2)
USE EOS_GP_Scalars
implicit none
CCTK_INT, intent(in) :: nelems
CCTK_REAL, dimension(nelems), intent(in) :: press
CCTK_REAL, dimension(nelems), intent(out) :: cs2
cs2 = (p_geom_factor * eos_k_cgs * eos_gamma_local * rho_geom_factor_inv * &
(press / (p_geom_factor * eos_k_cgs) ) ** &
( (eos_gamma_local - 1.d0) / eos_gamma_local ) ) / &
(1.d0 + p_geom_factor * eos_k_cgs * eos_gamma_local * &
rho_geom_factor_inv / (eos_gamma_local - 1.d0) * &
(press / (p_geom_factor * eos_k_cgs) ) ** &
( (eos_gamma_local - 1.d0) / eos_gamma_local ) )
end subroutine EOS_GP_Inv_cs2
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