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/*@@
@file Utils.F
@date Sat Jan 26 02:28:46 2002
@author
@desc
Utility functions for other thorns. Calculation of the determinant
of the spatial metric and the upper metric.
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
#include "GRHydro_Macros.h"
/*@@
@routine GRHydro_RefinementLevel
@date July 2005
@author
@desc
Calculates the current refinement level from flesh data
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine GRHydro_Debug(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
integer i,j,k
integer nx, ny, nz
GRHydro_reflevel = int(log10(dble(cctk_levfac(1)))/log10(2.0d0))
nx = cctk_lsh(1)
ny = cctk_lsh(2)
nz = cctk_lsh(3)
if (GRHydro_reflevel .lt. 3) return
do i=4,nx
do j=4,ny
do k=4,4
if( r(i,j,k)-4.0d0 .lt. 96.0d0 .and. &
r(i,j,k)+4.0d0 .gt. 96.0d0) then
write(6,"(4i4,1P10E15.6)") GRHydro_reflevel, i,j,k,&
r(i,j,k),rho(i,j,k),eps(i,j,k),y_e(i,j,k),temperature(i,j,k)
endif
enddo
enddo
enddo
! call flush(6)
! if(GRHydro_reflevel.eq.4.and.temperature(1,1,1).lt.0.1d0) then
! call CCTK_WARN(0,"stop")
! endif
end subroutine GRHydro_Debug
subroutine GRHydro_RefinementLevel(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
GRHydro_reflevel = int(log10(dble(cctk_levfac(1)))/log10(2.0d0))
end subroutine GRHydro_RefinementLevel
subroutine GRHydro_SqrtSpatialDeterminant(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
integer i,j,k
integer nx, ny, nz
nx = cctk_lsh(1)
ny = cctk_lsh(2)
nz = cctk_lsh(3)
!$OMP PARALLEL DO
do k=1,nz
do j=1,ny
do i=1,nx
sdetg(i,j,k) = -(gxz(i,j,k)**2)*gyy(i,j,k) + &
2.0d0*gxy(i,j,k)*gxz(i,j,k)*gyz(i,j,k) - &
gxx(i,j,k)*(gyz(i,j,k)**2) - &
(gxy(i,j,k)**2)*gzz(i,j,k) + &
(gxx(i,j,k)*gyy(i,j,k))*gzz(i,j,k)
sdetg(i,j,k) = sqrt(sdetg(i,j,k))
enddo
enddo
enddo
!$OMP END PARALLEL DO
end subroutine GRHydro_SqrtSpatialDeterminant
subroutine SpatialDeterminant(gxx,gxy,gxz,gyy,gyz,gzz,det)
implicit none
CCTK_REAL :: det
CCTK_REAL :: gxx,gxy,gxz,gyy,gyz,gzz
det = -gxz**2*gyy + 2*gxy*gxz*gyz - gxx*gyz**2 - gxy**2*gzz + gxx*gyy*gzz
!!$ Why is this weird order necessary? Search me. It just seemed
!!$ to make a really odd NaN go away.
!!$ det = -gxz**2*gyy + 2*gxy*gxz*gyz
!!$ det = det - gxx*gyz**2 - gxy**2*gzz
!!$ det = det + gxx*gyy*gzz
return
end subroutine SpatialDeterminant
/*@@
@routine UpperMetric
@date Sat Jan 26 02:32:26 2002
@author
@desc
Calculates the upper metric. The determinant is given, not
calculated.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine UpperMetric(uxx, uxy, uxz, uyy, uyz, uzz, &
det, gxx, gxy, gxz, gyy, gyz, gzz)
implicit none
CCTK_REAL :: uxx, uxy, uxz, uyy, uyz, uzz, det, &
gxx, gxy, gxz, gyy, gyz, gzz, invdet
invdet = 1.d0 / det
uxx=(-gyz**2 + gyy*gzz)*invdet
uxy=(gxz*gyz - gxy*gzz)*invdet
uyy=(-gxz**2 + gxx*gzz)*invdet
uxz=(-gxz*gyy + gxy*gyz)*invdet
uyz=(gxy*gxz - gxx*gyz)*invdet
uzz=(-gxy**2 + gxx*gyy)*invdet
return
end subroutine UpperMetric
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