Fix matrix generation

amgprec/impl/solver/amg_c_jac_solver_bld.f90

@@ -100,6 +100,10 @@ subroutine amg_c_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = cone/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

amgprec/impl/solver/amg_c_l1_jac_solver_bld.f90

@@ -103,6 +103,10 @@ subroutine amg_c_l1_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = cone/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

amgprec/impl/solver/amg_d_jac_solver_bld.f90

@@ -100,6 +100,10 @@ subroutine amg_d_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = done/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

amgprec/impl/solver/amg_d_l1_jac_solver_bld.f90

@@ -103,6 +103,10 @@ subroutine amg_d_l1_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = done/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

amgprec/impl/solver/amg_s_jac_solver_bld.f90

@@ -100,6 +100,10 @@ subroutine amg_s_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = sone/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

amgprec/impl/solver/amg_s_l1_jac_solver_bld.f90

@@ -103,6 +103,10 @@ subroutine amg_s_l1_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = sone/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

amgprec/impl/solver/amg_z_jac_solver_bld.f90

@@ -100,6 +100,10 @@ subroutine amg_z_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = zone/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

amgprec/impl/solver/amg_z_l1_jac_solver_bld.f90

@@ -103,6 +103,10 @@ subroutine amg_z_l1_jac_solver_bld(a,desc_a,sv,info,b,amold,vmold,imold)
       sv%d(i) = zone/sv%d(i)
     end if
   end do
+  if (allocated(sv%dv)) then
+    call sv%dv%free(info)
+    deallocate(sv%dv)
+  end if
   allocate(sv%dv,stat=info) 
   if (info == psb_success_) then 
     call sv%dv%bld(sv%d)

samples/advanced/pdegen/amg_d_genpde_mod.F90

@@ -176,7 +176,7 @@ contains
     else
       partition_ = 3
     end if
-    deltah   = done/(idim+2)
+    deltah   = done/(idim+1)
     sqdeltah = deltah*deltah
     deltah2  = 2.0_psb_dpk_* deltah
 
@@ -412,9 +412,9 @@ contains
           ! compute gridpoint coordinates
           call idx2ijk(ix,iy,iz,glob_row,idim,idim,idim)
           ! x, y, z coordinates
-          x = (ix-1)*deltah
-          y = (iy-1)*deltah
-          z = (iz-1)*deltah
+          x = (ix)*deltah
+          y = (iy)*deltah
+          z = (iz)*deltah
           zt(k) = f_(x,y,z)
           ! internal point: build discretization
           !
@@ -643,7 +643,7 @@ contains
       f_ => d_null_func_2d
     end if
 
-    deltah   = done/(idim+2)
+    deltah   = done/(idim+1)
     sqdeltah = deltah*deltah
     deltah2  = 2.0_psb_dpk_* deltah
 
@@ -875,8 +875,8 @@ contains
           ! compute gridpoint coordinates
           call idx2ijk(ix,iy,glob_row,idim,idim)
           ! x, y coordinates
-          x = (ix-1)*deltah
-          y = (iy-1)*deltah
+          x = (ix)*deltah
+          y = (iy)*deltah
 
           zt(k) = f_(x,y)
           ! internal point: build discretization

samples/advanced/pdegen/amg_s_genpde_mod.F90

@@ -176,7 +176,7 @@ contains
     else
       partition_ = 3
     end if
-    deltah   = sone/(idim+2)
+    deltah   = sone/(idim+1)
     sqdeltah = deltah*deltah
     deltah2  = 2.0_psb_spk_* deltah
 
@@ -412,9 +412,9 @@ contains
           ! compute gridpoint coordinates
           call idx2ijk(ix,iy,iz,glob_row,idim,idim,idim)
           ! x, y, z coordinates
-          x = (ix-1)*deltah
-          y = (iy-1)*deltah
-          z = (iz-1)*deltah
+          x = (ix)*deltah
+          y = (iy)*deltah
+          z = (iz)*deltah
           zt(k) = f_(x,y,z)
           ! internal point: build discretization
           !
@@ -643,7 +643,7 @@ contains
       f_ => s_null_func_2d
     end if
 
-    deltah   = sone/(idim+2)
+    deltah   = sone/(idim+1)
     sqdeltah = deltah*deltah
     deltah2  = 2.0_psb_spk_* deltah
 
@@ -875,8 +875,8 @@ contains
           ! compute gridpoint coordinates
           call idx2ijk(ix,iy,glob_row,idim,idim)
           ! x, y coordinates
-          x = (ix-1)*deltah
-          y = (iy-1)*deltah
+          x = (ix)*deltah
+          y = (iy)*deltah
 
           zt(k) = f_(x,y)
           ! internal point: build discretization

samples/simple/pdegen/amg_dpde_mod.f90

@@ -369,9 +369,9 @@ contains
         ! compute gridpoint coordinates
         call idx2ijk(ix,iy,iz,glob_row,idim,idim,idim)
         ! x, y, z coordinates
-        x = (ix-1)*deltah
-        y = (iy-1)*deltah
-        z = (iz-1)*deltah
+        x = (ix)*deltah
+        y = (iy)*deltah
+        z = (iz)*deltah
         zt(k) = f_(x,y,z)
         ! internal point: build discretization
         !   

samples/simple/pdegen/amg_spde_mod.f90

@@ -369,9 +369,9 @@ contains
         ! compute gridpoint coordinates
         call idx2ijk(ix,iy,iz,glob_row,idim,idim,idim)
         ! x, y, z coordinates
-        x = (ix-1)*deltah
-        y = (iy-1)*deltah
-        z = (iz-1)*deltah
+        x = (ix)*deltah
+        y = (iy)*deltah
+        z = (iz)*deltah
         zt(k) = f_(x,y,z)
         ! internal point: build discretization
         !