aboutsummaryrefslogtreecommitdiff
path: root/src/Utils.F90
blob: d8b29e445c8c960b9e49f17469b2d2abf5d6f8b4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
 /*@@
   @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


 /*@@
   @routine    SpatialDeterminant
   @date       Sat Jan 26 02:30:23 2002
   @author     
   @desc 
   Calculates the determinant of the spatial metric.
   PLEASE USE THE MACRO SPATIAL_DETERMINANT from now on!!!
   @enddesc 
   @calls     
   @calledby   
   @history 
 
   @endhistory 
@@*/

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

 /*@@
   @routine    SetMetricTemps
   @date       Wed Mar 23 10:01:08 2005
   @author     Ian Hawke
   @desc 
   If using the new EOS store the metric determinant and inverse metric
   to avoid repeated computation
   @enddesc 
   @calls     
   @calledby   
   @history 
 
   @endhistory 

@@*/

subroutine SetMetricTemps(CCTK_ARGUMENTS)

  implicit none

  DECLARE_CCTK_ARGUMENTS
  DECLARE_CCTK_PARAMETERS

  CCTK_INT :: i, j, k, nx, ny, nz

  nx = cctk_lsh(1)
  ny = cctk_lsh(2)
  nz = cctk_lsh(3)

  do k = 1, nz 
    do j = 1, ny 
      do i = 1, nx
        
         GRHydro_det(i,j,k) = SPATIAL_DETERMINANT(gxx(i,j,k),gxy(i,j,k),\
                            gxz(i,j,k), gyy(i,j,k),gyz(i,j,k),gzz(i,j,k))
         call UpperMetric(&
              GRHydro_uxx(i,j,k),GRHydro_uxy(i,j,k),GRHydro_uxz(i,j,k),&
              GRHydro_uyy(i,j,k),GRHydro_uyz(i,j,k),GRHydro_uzz(i,j,k),&
              GRHydro_det(i,j,k),&
              gxx(i,j,k),gxy(i,j,k),gxz(i,j,k),&
              gyy(i,j,k),gyz(i,j,k),gzz(i,j,k))        

      end do
    end do
  end do
  
end subroutine SetMetricTemps