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/*@@
@file GRHydro_Loop.F90
@date Sat Jan 26 01:50:14 2002
@author
@desc
Routines controlling loop counters and direction offsets
@enddesc
@@*/
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
/*@@
@routine GRHydroStartLoop
@date Sat Jan 26 01:50:46 2002
@author Ian Hawke
@desc
Set up the counters before the loop
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine GRHydroStartLoop(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
flux_direction = 3
xoffset = 0
yoffset = 0
zoffset = 1
end subroutine GRHydroStartLoop
/*@@
@routine Advance the counters whilst in the loop
@date Sat Jan 26 01:51:29 2002
@author Ian Hawke
@desc
Just increments the counter and resets the directions.
@enddesc
@calls
@calledby
@history
@endhistory
@@*/
subroutine GRHydroAdvanceLoop(CCTK_ARGUMENTS)
implicit none
DECLARE_CCTK_ARGUMENTS
flux_direction = flux_direction-1
if (flux_direction .eq. 2) then
xoffset = 0
yoffset = 1
zoffset = 0
else if (flux_direction .eq. 1) then
xoffset = 1
yoffset = 0
zoffset = 0
else
xoffset = -1000000
yoffset = -1000000
zoffset = -1000000
end if
end subroutine GRHydroAdvanceLoop
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