Check that the boundary regions (where the stencils need to be

one-sided) do not overlap.

Check the number of ghost zones.


git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@81 f69c4107-0314-4c4f-9ad4-17e986b73f4a

8 files changed, 55 insertions, 0 deletions

diff --git a/src/Derivatives_2_1.F90 b/src/Derivatives_2_1.F90
index 8192a71..788d325 100644
--- a/src/Derivatives_2_1.F90
+++ b/src/Derivatives_2_1.F90
@@ -37,6 +37,8 @@ subroutine deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 1) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -55,6 +57,7 @@ subroutine deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                          q(2,1) * var(ni-1,:,:) ) * idel
       ir = ni - 2
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = a(1) * ( var(il+1:ir+1,:,:) - var(il-1:ir-1,:,:) ) * idel
   case (1) direction
     if ( zero_derivs_y /= 0 ) then
@@ -76,6 +79,7 @@ subroutine deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(2,1) * var(:,nj-1,:) ) * idel
         jr = nj - 2
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = a(1) * ( var(:,jl+1:jr+1,:) - &
                                  var(:,jl-1:jr-1,:) ) * idel
     end if
@@ -99,6 +103,7 @@ subroutine deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(2,1) * var(:,:,nk-1) ) * idel
         kr = nk - 2
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = a(1) * ( var(:,:,kl+1:kr+1) -  &
                                  var(:,:,kl-1:kr-1) ) * idel
     end if
@@ -159,6 +164,8 @@ subroutine up_deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 1) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -199,6 +206,7 @@ subroutine up_deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
       end where
       ir = ni - 2
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     where ( up(il:ir,:,:) < zero ) 
       dvar(il:ir,:,:) = ( a1(-1) * var(il-1:ir-1,:,:) + &
                           a1(0)  * var(il:ir,:,:) + &
@@ -250,6 +258,7 @@ subroutine up_deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
         end where
         jr = nj - 2
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       where ( up(:,jl:jr,:) < zero ) 
         dvar(:,jl:jr,:) = ( a1(-1) * var(:,jl-1:jr-1,:) + &
                             a1(0)  * var(:,jl:jr,:) + &
@@ -302,6 +311,7 @@ subroutine up_deriv_gf_2_1 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
         end where
         kr = nk - 2
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       where ( up(:,:,kl:kr) < zero )
         dvar(:,:,kl:kr) = ( a1(-1) * var(:,:,kl-1:kr-1) + &
                             a1(0)  * var(:,:,kl:kr) + &
diff --git a/src/Derivatives_4_2.F90 b/src/Derivatives_4_2.F90
index 5cec73a..fb6888f 100644
--- a/src/Derivatives_4_2.F90
+++ b/src/Derivatives_4_2.F90
@@ -47,6 +47,8 @@ subroutine deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 2) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -80,6 +82,7 @@ subroutine deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(4,1) * var(ni-3,:,:) ) * idel
       ir = ni - 4
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = ( a(1) * ( var(il+1:ir+1,:,:) - &
                                  var(il-1:ir-1,:,:) ) + &
                         a(2) * ( var(il+2:ir+2,:,:) - &
@@ -119,6 +122,7 @@ subroutine deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(4,1) * var(:,nj-3,:) ) * idel
         jr = nj - 4
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - &
                                    var(:,jl-1:jr-1,:) ) + &
                           a(2) * ( var(:,jl+2:jr+2,:) - &
@@ -159,6 +163,7 @@ subroutine deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(4,1) * var(:,:,nk-3) ) * idel
         kr = nk - 4
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - &
                                    var(:,:,kl-1:kr-1) ) + &
                           a(2) * ( var(:,:,kl+2:kr+2) - &
@@ -261,6 +266,8 @@ subroutine up_deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 2) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -355,6 +362,7 @@ subroutine up_deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
       end where
       ir = ni - 4
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     where ( up(il:ir,:,:) < zero ) 
       dvar(il:ir,:,:) = ( a1(-2) * var(il-2:ir-2,:,:) + &
                           a1(-1) * var(il-1:ir-1,:,:) + &
@@ -412,6 +420,7 @@ subroutine up_deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
       if ( bb(2) == 0 ) then
         jr = nj - gsize
       else
+        if (jl > jr+1) call CCTK_WARN (0, "domain too small")
         where ( up(:,nj-3,:) < zero )
           dvar(:,nj-3,:) = - ( q2(1,4) * var(:,nj,:) + &
                                q2(2,4) * var(:,nj-1,:) + &
@@ -574,6 +583,7 @@ subroutine up_deriv_gf_4_2 ( var, ni, nj, nk, dir, bb, gsize, delta, up, dvar )
         end where
         kr = nk - 4
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       where ( up(:,:,kl:kr) < zero )
         dvar(:,:,kl:kr) = ( a1(-2) * var(:,:,kl-2:kr-2) + &
                             a1(-1) * var(:,:,kl-1:kr-1) + &
diff --git a/src/Derivatives_4_3.F90 b/src/Derivatives_4_3.F90
index db7ebda..85c6715 100644
--- a/src/Derivatives_4_3.F90
+++ b/src/Derivatives_4_3.F90
@@ -87,6 +87,8 @@ subroutine deriv_gf_4_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 1) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -134,6 +136,7 @@ subroutine deriv_gf_4_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(4,1) * var(ni-3,:,:) ) * idel
       ir = ni - 5
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = ( a(1) * ( var(il+1:ir+1,:,:) - &
                                  var(il-1:ir-1,:,:) ) + &
                         a(2) * ( var(il+2:ir+2,:,:) - &
@@ -187,6 +190,7 @@ subroutine deriv_gf_4_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(4,1) * var(:,nj-3,:) ) * idel
         jr = nj - 5
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - &
                                    var(:,jl-1:jr-1,:) ) + &
                           a(2) * ( var(:,jl+2:jr+2,:) - &
@@ -241,6 +245,7 @@ subroutine deriv_gf_4_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(4,1) * var(:,:,nk-3) ) * idel
         kr = nk - 5
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - &
                                    var(:,:,kl-1:kr-1) ) + &
                           a(2) * ( var(:,:,kl+2:kr+2) - &
diff --git a/src/Derivatives_4_3_min_err_coeff.F90 b/src/Derivatives_4_3_min_err_coeff.F90
index 8c2566d..b42d857 100644
--- a/src/Derivatives_4_3_min_err_coeff.F90
+++ b/src/Derivatives_4_3_min_err_coeff.F90
@@ -71,6 +71,8 @@ subroutine deriv_gf_4_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 2) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -121,6 +123,7 @@ subroutine deriv_gf_4_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(5,1) * var(ni-4,:,:) ) * idel
       ir = ni - 5
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = ( a(1) * ( var(il+1:ir+1,:,:) - &
                                  var(il-1:ir-1,:,:) ) + &
                         a(2) * ( var(il+2:ir+2,:,:) - &
@@ -177,6 +180,7 @@ subroutine deriv_gf_4_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(5,1) * var(:,nj-4,:) ) * idel
         jr = nj - 5
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - &
                                    var(:,jl-1:jr-1,:) ) + &
                           a(2) * ( var(:,jl+2:jr+2,:) - &
@@ -234,6 +238,7 @@ subroutine deriv_gf_4_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(5,1) * var(:,:,nk-4) ) * idel
         kr = nk - 5
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - &
                                    var(:,:,kl-1:kr-1) ) + &
                           a(2) * ( var(:,:,kl+2:kr+2) - &
diff --git a/src/Derivatives_6_3.F90 b/src/Derivatives_6_3.F90
index 4c8643a..0e1b024 100644
--- a/src/Derivatives_6_3.F90
+++ b/src/Derivatives_6_3.F90
@@ -60,6 +60,8 @@ subroutine deriv_gf_6_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 3) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -113,6 +115,7 @@ subroutine deriv_gf_6_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(9,6) * var(ni-8,:,:) ) * idel
       ir = ni - 6
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = ( a(1) * ( var(il+1:ir+1,:,:) - &
                                  var(il-1:ir-1,:,:) ) + &
                         a(2) * ( var(il+2:ir+2,:,:) - &
@@ -174,6 +177,7 @@ subroutine deriv_gf_6_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(9,6) * var(:,nj-8,:) ) * idel
         jr = nj - 6
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - &
                                    var(:,jl-1:jr-1,:) ) + &
                           a(2) * ( var(:,jl+2:jr+2,:) - &
@@ -236,6 +240,7 @@ subroutine deriv_gf_6_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(9,6) * var(:,:,nk-8) ) * idel
         kr = nk - 6
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - &
                                    var(:,:,kl-1:kr-1) ) + &
                           a(2) * ( var(:,:,kl+2:kr+2) - &
diff --git a/src/Derivatives_6_3_min_err_coeff.F90 b/src/Derivatives_6_3_min_err_coeff.F90
index dc8850c..b2d00e7 100644
--- a/src/Derivatives_6_3_min_err_coeff.F90
+++ b/src/Derivatives_6_3_min_err_coeff.F90
@@ -90,6 +90,8 @@ subroutine deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 3) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -147,6 +149,7 @@ subroutine deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
       ir = ni - 6
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = ( a(1) * ( var(il+1:ir+1,:,:) - &
                                  var(il-1:ir-1,:,:) ) + &
                         a(2) * ( var(il+2:ir+2,:,:) - &
@@ -212,6 +215,7 @@ subroutine deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
   
         jr = nj - 6
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - &
                                    var(:,jl-1:jr-1,:) ) + &
                           a(2) * ( var(:,jl+2:jr+2,:) - &
@@ -278,6 +282,7 @@ subroutine deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
   
         kr = nk - 6
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - &
                                    var(:,:,kl-1:kr-1) ) + &
                           a(2) * ( var(:,:,kl+2:kr+2) - &
@@ -446,6 +451,8 @@ subroutine up_deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, up, dva
 
   idel = 1.0_wp / delta
 
+  if (gsize < 3) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -624,6 +631,7 @@ subroutine up_deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, up, dva
 
       ir = ni - 6
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     where ( up(il:ir,:,:) < zero )
       dvar(il:ir,:,:) = ( a1(-3) * var(il-3:ir-3,:,:) + &
                           a1(-2) * var(il-2:ir-2,:,:) + &
@@ -821,6 +829,7 @@ subroutine up_deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, up, dva
   
         jr = nj - 6
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       where ( up(:,jl:jr,:) < zero )
         dvar(:,jl:jr,:) = ( a1(-3) * var(:,jl-3:jr-3,:) + &
                             a1(-2) * var(:,jl-2:jr-2,:) + &
@@ -1019,6 +1028,7 @@ subroutine up_deriv_gf_6_3_opt ( var, ni, nj, nk, dir, bb, gsize, delta, up, dva
   
         kr = nk - 6
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       where ( up(:,:,kl:kr) < zero )
         dvar(:,:,kl:kr) = ( a1(-3) * var(:,:,kl-3:kr-3) + &
                             a1(-2) * var(:,:,kl-2:kr-2) + &
diff --git a/src/Derivatives_6_5.F90 b/src/Derivatives_6_5.F90
index 09e2ac4..1aaae62 100644
--- a/src/Derivatives_6_5.F90
+++ b/src/Derivatives_6_5.F90
@@ -104,6 +104,8 @@ subroutine deriv_gf_6_5 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 3) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -186,6 +188,7 @@ subroutine deriv_gf_6_5 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(6,1) * var(ni-5,:,:) ) * idel
       ir = ni - 7
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = ( a(1) * ( var(il+1:ir+1,:,:) - &
                                  var(il-1:ir-1,:,:) ) + &
                         a(2) * ( var(il+2:ir+2,:,:) - &
@@ -276,6 +279,7 @@ subroutine deriv_gf_6_5 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(6,1) * var(:,nj-5,:) ) * idel
         jr = nj - 7
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - &
                                    var(:,jl-1:jr-1,:) ) + &
                           a(2) * ( var(:,jl+2:jr+2,:) - &
@@ -367,6 +371,7 @@ subroutine deriv_gf_6_5 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(6,1) * var(:,:,nk-5) ) * idel
         kr = nk - 7
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - &
                                    var(:,:,kl-1:kr-1) ) + &
                           a(2) * ( var(:,:,kl+2:kr+2) - &
diff --git a/src/Derivatives_6_5_min_err_coeff.F90 b/src/Derivatives_6_5_min_err_coeff.F90
index 0cb6ee7..f3735ab 100644
--- a/src/Derivatives_6_5_min_err_coeff.F90
+++ b/src/Derivatives_6_5_min_err_coeff.F90
@@ -106,6 +106,8 @@ subroutine deriv_gf_6_5_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
+  if (gsize < 3) call CCTK_WARN (0, "not enough ghostzones")
+
   direction: select case (dir)
   case (0) direction
     if ( bb(1) == 0 ) then
@@ -192,6 +194,7 @@ subroutine deriv_gf_6_5_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                            q(7,1) * var(ni-6,:,:) ) * idel
       ir = ni - 7
     end if
+    if (il > ir+1) call CCTK_WARN (0, "domain too small")
     dvar(il:ir,:,:) = ( a(1) * ( var(il+1:ir+1,:,:) - &
                                  var(il-1:ir-1,:,:) ) + &
                         a(2) * ( var(il+2:ir+2,:,:) - &
@@ -286,6 +289,7 @@ subroutine deriv_gf_6_5_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(7,1) * var(:,nj-6,:) ) * idel
         jr = nj - 7
       end if
+      if (jl > jr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - &
                                    var(:,jl-1:jr-1,:) ) + &
                           a(2) * ( var(:,jl+2:jr+2,:) - &
@@ -381,6 +385,7 @@ subroutine deriv_gf_6_5_opt ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
                              q(7,1) * var(:,:,nk-6) ) * idel
         kr = nk - 7
       end if
+      if (kl > kr+1) call CCTK_WARN (0, "domain too small")
       dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - &
                                    var(:,:,kl-1:kr-1) ) + &
                           a(2) * ( var(:,:,kl+2:kr+2) - &