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#include "cctk.h"
#include "cctk_Functions.h"
#include "cctk_Parameters.h"
subroutine set_coeff_4 ( nsize, loc_order, bb, gsize, imin, imax, dd )
use All_Coeffs_mod
implicit none
DECLARE_CCTK_FUNCTIONS
DECLARE_CCTK_PARAMETERS
CCTK_INT, intent(IN) :: nsize, loc_order
CCTK_INT, dimension(2), intent(IN) :: bb
CCTK_INT, intent(IN) :: gsize
CCTK_INT, dimension(nsize), intent(OUT) :: imin, imax
CCTK_REAL, dimension(nsize,nsize), intent(OUT) :: dd
CCTK_REAL, dimension(2), save :: a
CCTK_REAL, dimension(3,2), save :: q
CCTK_INT :: i, il, ir
logical, save :: first = .true.
if ( first ) then
call coeffs_1_4 ( a, q )
first = .false.
end if
dd = zero
imin = 0
imax = -1
if ( bb(1) == 0 ) then
il = 1 + gsize
else
dd(1:3,1) = q(1:3,1)
imin(1) = 1; imax(1) = 1
dd(1:3,2) = q(1:3,2)
imin(2) = 1; imax(2) = 3
il = 3
end if
if ( bb(2) == 0 ) then
ir = nsize - gsize
else
dd(nsize-2:nsize,nsize-1) = -q(3:1:-1,2)
imin(nsize-1) = nsize-2; imax(nsize-1) = nsize
dd(nsize-2:nsize,nsize) = -q(3:1:-1,1)
imin(nsize) = nsize; imax(nsize) = nsize
ir = nsize - 2
end if
do i = il, ir
dd(i-2:i-1,i) = -a(2:1:-1);
dd(i+1:i+2,i) = a(1:2)
imin(i) = i-2; imax(i) = i+2
end do
end subroutine set_coeff_4
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