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#include "cctk.h"
#include "cctk_Functions.h"
#include "cctk_Parameters.h"
CCTK_REAL function GetCoeff ()
implicit none
DECLARE_CCTK_FUNCTIONS
DECLARE_CCTK_PARAMETERS
CCTK_REAL, parameter :: zero = 0.0
integer, parameter :: wp = kind(zero)
if ( CCTK_EQUALS(norm_type,'Diagonal') ) then
select case (order)
case (2)
GetCoeff = 1.0_wp / 2.0_wp
case (4)
GetCoeff = 17.0_wp/48.0_wp
case (6)
GetCoeff = 13649.0_wp/43200.0_wp
case (8)
GetCoeff = 1498139.0_wp/5080320.0_wp
case default
call CCTK_WARN (0, "operator not implemented")
end select
else
if ( CCTK_EQUALS(operator_type,'Minimal Bandwidth') ) then
select case (order)
case(4)
GetCoeff = 3.0_wp/11.0_wp
case(6)
GetCoeff = 30.0_wp/137.0_wp
case default
call CCTK_WARN (0, "operator not implemented")
end select
else
select case (order)
case(4)
GetCoeff = 0.2388575707774486064323157210922003533466_wp
case(6)
GetCoeff = 0.2028105550720356346665604029847379994496_wp
case default
call CCTK_WARN (0, "operator not implemented")
end select
end if
end if
end function GetCoeff
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