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C Minkowski spacetime
C $Header$
#include "cctk.h"
subroutine Exact__Minkowski(
$ x, y, z, t,
$ gdtt, gdtx, gdty, gdtz,
$ gdxx, gdyy, gdzz, gdxy, gdyz, gdzx,
$ gutt, gutx, guty, gutz,
$ guxx, guyy, guzz, guxy, guyz, guzx,
$ psi, Tmunu_flag)
implicit none
c input arguments
CCTK_DECLARE(CCTK_REAL, x,)
CCTK_DECLARE(CCTK_REAL, y,)
CCTK_DECLARE(CCTK_REAL, z,)
CCTK_DECLARE(CCTK_REAL, t,)
c output arguments
CCTK_REAL gdtt, gdtx, gdty, gdtz,
$ gdxx, gdyy, gdzz, gdxy, gdyz, gdzx,
$ gutt, gutx, guty, gutz,
$ guxx, guyy, guzz, guxy, guyz, guzx
CCTK_DECLARE(CCTK_REAL, psi,)
LOGICAL Tmunu_flag
C This is a vacuum spacetime with no cosmological constant
Tmunu_flag = .false.
gdtt = -1.d0
gdtx = 0.d0
gdty = 0.d0
gdtz = 0.d0
gdxx = 1.d0
gdyy = 1.d0
gdzz = 1.d0
gdxy = 0.d0
gdyz = 0.d0
gdzx = 0.d0
gutt = -1.d0
gutx = 0.d0
guty = 0.d0
gutz = 0.d0
guxx = 1.d0
guyy = 1.d0
guzz = 1.d0
guxy = 0.d0
guyz = 0.d0
guzx = 0.d0
return
end
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