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/*@@
@header DZDB_guts.h
@date Jun 98
@author Gabrielle Allen
@desc
Macro to calculate the first derivatives of the
shift with respect to z
The macro is defined in terms of standard variables in
@seefile DZDB_declare.h
@enddesc
@@*/
#ifndef DZDB_GUTS
#define DZDB_GUTS
#ifdef FCODE
DZDB_OO2DZ = 1.0D0/(2.0D0*DZDB_DZ)
DZDB_DZDBX = DZDB_OO2DZ*(DZDB_BX_KP - DZDB_BX_KM)
DZDB_DZDBY = DZDB_OO2DZ*(DZDB_BY_KP - DZDB_BY_KM)
DZDB_DZDBZ = DZDB_OO2DZ*(DZDB_BZ_KP - DZDB_BZ_KM)
#endif
#ifdef CCODE
DZDB_OO2DZ = 1/(2*cctkGH->cctk_delta_space[2]);
DZDB_DZDBX = DZDB_OO2DZ*(DZDB_BX_KP - DZDB_BX_KM);
DZDB_DZDBY = DZDB_OO2DZ*(DZDB_BY_KP - DZDB_BY_KM);
DZDB_DZDBZ = DZDB_OO2DZ*(DZDB_BZ_KP - DZDB_BZ_KM);
#endif
#endif
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