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#include "cctk.h"
#include "cctk_Functions.h"
#include "cctk_Parameters.h"
subroutine set_coeff_2_1 ( 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(1), save :: a
CCTK_REAL, dimension(3,2), save :: q
CCTK_INT :: i, il, ir
logical, save :: first = .true.
if ( first ) then
call coeffs_1_2_1 ( a, q )
first = .false.
end if
dd = zero
imin = 0
imax = -1
if ( bb(1) == 0 ) then
il = 1 + gsize
else
dd(1,1) = q(1,1); dd(2,1) = q(2,1)
imin(1) = 1; imax(1) = 2
dd(1,2) = q(1,2); dd(3,2) = q(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-1) = -q(3,2); dd(nsize,nsize-1) = -q(1,2)
imin(nsize-1) = nsize-2; imax(nsize-1) = nsize
dd(nsize-1,nsize) = -q(2,1); dd(nsize,nsize) = -q(1,1)
imin(nsize) = nsize-1; imax(nsize) = nsize
ir = nsize - 2
end if
!$omp parallel do
do i = il, ir
dd(i-1,i) = -a(1); dd(i+1,i) = a(1)
imin(i) = i-1; imax(i) = i+1
end do
end subroutine set_coeff_2_1
subroutine set_coeff_up_2_1 ( nsize, dir, loc_order, bb, gsize, imin, imax, dd )
use All_Coeffs_mod
implicit none
DECLARE_CCTK_FUNCTIONS
DECLARE_CCTK_PARAMETERS
CCTK_INT, intent(IN) :: nsize, dir, 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(-1:1), save :: a1, a2
CCTK_REAL, dimension(3,2), save :: q1, q2
CCTK_INT :: i, il, ir
logical, save :: first = .true.
if ( .not. ( dir == -1 .or. dir == 1 ) ) then
call CCTK_WARN(0, 'Internal error: set_coeff_up_2_1 called with invalid dir value')
end if
if ( first ) then
call coeffs_up_2_1 ( a1, q1, a2, q2 )
first = .false.
end if
dd = zero
imin = 0
imax = -1
if ( bb(1) == 0 ) then
il = 1 + gsize
else
if ( dir == -1 ) then
dd(1,1) = q1(1,1); dd(2,1) = q1(2,1)
imin(1) = 1; imax(1) = 2
dd(1,2) = q1(1,2); dd(2,2) = q1(2,2)
imin(2) = 1; imax(2) = 2
else
dd(1,1) = q2(1,1); dd(2,1) = q2(2,1)
imin(1) = 1; imax(1) = 2
dd(2,2) = q2(2,2); dd(3,2) = q2(3,2)
imin(2) = 2; imax(2) = 3
end if
il = 3
end if
if ( bb(2) == 0 ) then
ir = nsize - gsize
else
if ( dir == -1 ) then
dd(nsize-2,nsize-1) = -q2(3,2); dd(nsize-1,nsize-1) = -q2(2,2)
imin(nsize-1) = nsize-2; imax(nsize-1) = nsize-1
dd(nsize-1,nsize) = -q2(2,1); dd(nsize,nsize) = -q2(1,1)
imin(nsize) = nsize-1; imax(nsize) = nsize
else
dd(nsize-1,nsize-1) = -q1(2,2); dd(nsize,nsize-1) = -q1(1,2)
imin(nsize-1) = nsize-1; imax(nsize-1) = nsize
dd(nsize-1,nsize) = -q1(2,1); dd(nsize,nsize) = -q1(1,1)
imin(nsize) = nsize-1; imax(nsize) = nsize
end if
ir = nsize - 2
end if
do i = il, ir
if ( dir == -1 ) then
dd(i-1:i,i) = a1(-1:0)
imin(i) = i-1; imax(i) = i
else
dd(i:i+1,i) = a2(0:1)
imin(i) = i; imax(i) = i+1
end if
end do
end subroutine set_coeff_up_2_1
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