1 files changed, 118 insertions, 0 deletions
diff --git a/src/Coefficients_8_4_min_err_coeff.F90 b/src/Coefficients_8_4_min_err_coeff.F90
index 5bae502..8f0c5bf 100644
--- a/src/Coefficients_8_4_min_err_coeff.F90
+++ b/src/Coefficients_8_4_min_err_coeff.F90
@@ -251,3 +251,121 @@ subroutine set_coeff_up_8_4_opt ( nsize, dir, loc_order, bb, gsize, imin, imax,
     end if
   end do
 end subroutine set_coeff_up_8_4_opt
+
+subroutine set_coeff_up_8 ( 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(-5:5), save :: a1, a2
+  CCTK_REAL, dimension(7,5), 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_8 called with invalid dir value')
+  end if
+
+  if ( first ) then
+    call coeffs_up_8 ( 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);
+      imin(1) = 1; imax(1) = 1
+
+      dd(1:2,2) = q1(1:2,2);
+      imin(2) = 1; imax(2) = 2
+
+      dd(1:3,3) = q1(1:3,3);
+      imin(3) = 1; imax(3) = 3
+
+      dd(1:5,4) = q1(1:5,4);
+      imin(4) = 1; imax(4) = 5
+
+      dd(1:7,5) = q1(1:7,5);
+      imin(5) = 1; imax(5) = 7
+    else
+      dd(1,1) = q2(1,1);
+      imin(1) = 1; imax(1) = 1
+
+      dd(1:5,2) = q2(3:7,4);
+      imin(2) = 1; imax(2) = 5
+
+      dd(1:7,3) = q2(1:7,5);
+      imin(3) = 1; imax(3) = 7
+
+      dd(1:9,4) = a2(-3:5);
+      imin(4) = 1; imax(4) = 9
+
+      dd(2:10,5) = a2(-3:5);
+      imin(5) = 2; imax(5) = 10
+    end if
+    il = 6
+  end if
+  if ( bb(2) == 0 ) then
+    ir = nsize - gsize
+  else
+    if ( dir == -1 ) then
+      dd(nsize,nsize) = q1(1,1)
+      imin(nsize) = nsize; imax(nsize) = nsize
+
+      dd(nsize-4:nsize,nsize-1) = q1(1:5,4)
+      imin(nsize-1) = nsize-4; imax(nsize-1) = nsize
+
+      dd(nsize-6:nsize,nsize-2) = q1(1:7,5)
+      imin(nsize-2) = nsize-6; imax(nsize-2) = nsize
+
+      dd(nsize-8:nsize,nsize-3) = a1(-5:3)
+      imin(nsize-3) = nsize-8; imax(nsize-3) = nsize
+
+      dd(nsize-9:nsize-1,nsize-4) = a1(-5:3)
+      imin(nsize-4) = nsize-9; imax(nsize-4) = nsize-1
+    else
+      dd(nsize,nsize) = q2(1,1)
+      imin(nsize) = nsize; imax(nsize) = nsize
+
+      dd(nsize-1:nsize,nsize-1) = q2(6:7,2)
+      imin(nsize-1) = nsize-1; imax(nsize-1) = nsize
+
+      dd(nsize-2:nsize,nsize-2) = q2(5:7,3)
+      imin(nsize-2) = nsize-2; imax(nsize-2) = nsize
+
+      dd(nsize-4:nsize,nsize-3) = q2(3:7,4)
+      imin(nsize-3) = nsize-4; imax(nsize-3) = nsize
+
+      dd(nsize-6:nsize,nsize-4) = q2(1:7,5)
+      imin(nsize-4) = nsize-6; imax(nsize-4) = nsize
+    end if
+    ir = nsize - 5
+  end if
+  do i = il, ir
+    if ( dir == -1 ) then
+      dd(i-5:i+3,i) = a1(-5:3)
+      imin(i) = i-5; imax(i) = i+3
+    else
+      dd(i-3:i+5,i) = a2(-3:5)
+      imin(i) = i-3; imax(i) = i+5
+    end if
+  end do
+end subroutine set_coeff_up_8