diff options
| author | knarf <knarf@e296648e-0e4f-0410-bd07-d597d9acff87> | 2012-12-19 15:12:36 +0000 |
|---|---|---|
| committer | knarf <knarf@e296648e-0e4f-0410-bd07-d597d9acff87> | 2012-12-19 15:12:36 +0000 |
| commit | 1c980c2cf1278260feb6bb9b613f8af0b22382ce (patch) | |
| tree | 2ede115336a741780133ccbceeb823223f939553 /src/metrics/de_Sitter.F | |
| parent | 076e916c60d9a50dbd84932ae4d891977d21989a (diff) | |
Fix compiler warnings.
Most of them could be fixed by renaming .F77 files to .F
Some had to be fixed by explicitly declaring some variables using
CCTK_DECLARE() (which also only works for .F, not for .F77)
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinInitialData/Exact/trunk@287 e296648e-0e4f-0410-bd07-d597d9acff87
Diffstat (limited to 'src/metrics/de_Sitter.F')
| -rw-r--r-- | src/metrics/de_Sitter.F | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/metrics/de_Sitter.F b/src/metrics/de_Sitter.F new file mode 100644 index 0000000..94901a9 --- /dev/null +++ b/src/metrics/de_Sitter.F @@ -0,0 +1,79 @@ +C Einstein-DeSitter metric spacetime !!!! +C It emulates the Robertson-Walker universe +C near t=0, with zero pressure, and k=0 +C See :J.N. Islam, An Introduction to +C Mathematical Cosmology, Cambridge, 1992 and +C S. Hawking, G.F.R. Ellis, The Large Scale +C Structure of space-time, Cambridge, 1973 +C +C Author : D. Vulcanov (Timisoara, Romania) +C see ../../README for copyright & licensing info +C +C $Header$ + +#include "cctk.h" +#include "cctk_Parameters.h" + + subroutine Exact__de_Sitter( + $ 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 + + DECLARE_CCTK_PARAMETERS + +c input arguments + CCTK_DECLARE(CCTK_REAL, x,) + CCTK_DECLARE(CCTK_REAL, y,) + CCTK_DECLARE(CCTK_REAL, z,) + 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 local variables + CCTK_REAL arad + CCTK_REAL am + +C This model has a cosmological constant +C ==> it sets the stress-energy tensor in the "CalcTmunu" code + Tmunu_flag = .true. + + arad = de_Sitter__scale + + am=arad*t**(4.0D0/3.0D0) + + gdtt = -1.0D0 + gdtx = 0.0D0 + gdty = 0.0D0 + gdtz = 0.0D0 + gdxx = am + gdyy = am + gdzz = am + gdxy = 0.d0 + gdyz = 0.d0 + gdzx = 0.d0 + + gutt = -1.d0 + gutx = 0.d0 + guty = 0.d0 + gutz = 0.d0 + guxx = 1.d0/am + guyy = 1.d0/am + guzz = 1.d0/am + guxy = 0.d0 + guyz = 0.d0 + guzx = 0.d0 + + + return + end |