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authorevans <evans@b1d164ef-f17a-46e7-89d4-021c7118ef4e>1999-03-09 21:04:02 +0000
committerevans <evans@b1d164ef-f17a-46e7-89d4-021c7118ef4e>1999-03-09 21:04:02 +0000
commit0a13cbb3d0f5ebf208d962d374a197c66bd13b1b (patch)
tree19582fa856a1193d17170ad971353f58e7be36c9 /src/macro/TRK_guts.h
parentc58897b8676212b9aee16d6d2f80ca2adeb50c6c (diff)
added the Einstien macros.
git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinBase/ADMMacros/trunk@2 b1d164ef-f17a-46e7-89d4-021c7118ef4e
Diffstat (limited to 'src/macro/TRK_guts.h')
-rw-r--r--src/macro/TRK_guts.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/macro/TRK_guts.h b/src/macro/TRK_guts.h
new file mode 100644
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+++ b/src/macro/TRK_guts.h
@@ -0,0 +1,42 @@
+/*@@
+ @header TRK_guts.h
+ @date Jun 98
+ @author Gabrielle Allen
+ @desc
+
+ Macro to calculate the trace of the extrinsic curvature
+
+ The macro is defined in terms of standard variables in
+ TRK_declare.h
+
+ Requires: Upper physical metric
+ Lower extrainsic curvature
+
+ Provides: Trace of the extrinsic curvature
+
+ @enddesc
+@@*/
+
+#ifndef TRK_GUTS
+#define TRK_GUTS
+
+#include "../../packages/CactusEinstein/Einstein/src/macro/UPPERMET_guts.h"
+
+#ifdef FCODE
+
+ TRK_TRK = UPPERMET_UXX*TRK_HXX + UPPERMET_UYY*TRK_HYY
+ & + UPPERMET_UZZ*TRK_HZZ + 2D0*(UPPERMET_UXY*TRK_HXY
+ & + UPPERMET_UXZ*TRK_HXZ + UPPERMET_UYZ*TRK_HYZ)
+
+#endif
+
+#ifdef CCODE
+
+ TRK_TRK = UPPERMET_UXX*TRK_HXX + UPPERMET_UYY*TRK_HYY
+ + UPPERMET_UZZ*TRK_HZZ + 2*(UPPERMET_UXY*TRK_HXY
+ + UPPERMET_UXZ*TRK_HXZ + UPPERMET_UYZ*TRK_HYZ);
+
+#endif
+
+#endif
+