Fixed problem with reallocation of crea_ovr_elem.

Fixed initialization to 0 of send indices in swap routines for the
case where we use mpi_alltoallv.

src/internals/psi_crea_ovr_elem.f90

@@ -46,8 +46,12 @@ subroutine psi_crea_ovr_elem(desc_overlap,ovr_elem)
   external :: psi_exist_ovr_elem
 
   logical, parameter :: usetree=.true.
-
-  dim_ovr_elem=size(ovr_elem)
+  
+  if (associated(ovr_elem)) then 
+    dim_ovr_elem=size(ovr_elem)
+  else
+    dim_ovr_elem = 0 
+  endif
   i=1
   pnt_new_elem=1
   if (usetree)   call initpairsearchtree(pairtree,info)
@@ -75,9 +79,12 @@ subroutine psi_crea_ovr_elem(desc_overlap,ovr_elem)
 
         !              ...check if overflow element_d array......
         if (pnt_new_elem.gt.dim_ovr_elem) then
-          dim_ovr_elem=(3*size(ovr_elem))/2+2
-          write(0,*) 'calling realloc crea_ovr_elem',dim
+          dim_ovr_elem=max(((3*size(ovr_elem))/2+2),pnt_new_elem+100)
+!!$          write(0,*) 'calling realloc crea_ovr_elem',dim
           call psb_realloc(dim_ovr_elem,ovr_elem,info)
+          if (info /= 0) then 
+            write(0,*) 'Error in CREA_OVR_ELEM'
+          endif
         endif
       else
         !              ....this point already exist in ovr_elem list

src/internals/psi_dswapdata.f90

@@ -101,6 +101,8 @@ subroutine psi_dswapdatam(flag,n,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
 
   ! prepare info for communications
   proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
@@ -553,6 +555,8 @@ subroutine psi_dswapdatav(flag,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
   n=1
 
   ! prepare info for communications

src/internals/psi_dswaptran.f90

@@ -102,7 +102,8 @@ subroutine psi_dswaptranm(flag,n,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
-
+  sdsz(:) = 0 
+  rvsz(:) = 0 
   ! prepare info for communications
   proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
   do while (proc_to_comm /= -1)
@@ -557,6 +558,8 @@ subroutine psi_dswaptranv(flag,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
   n=1
 
   ! prepare info for communications

src/internals/psi_iswapdata.f90

@@ -101,6 +101,8 @@ subroutine psi_iswapdatam(flag,n,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
 
   ! prepare info for communications
   proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
@@ -553,6 +555,8 @@ subroutine psi_iswapdatav(flag,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
   n=1
 
   ! prepare info for communications

src/internals/psi_iswaptran.f90

@@ -102,6 +102,8 @@ subroutine psi_iswaptranm(flag,n,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
 
   ! prepare info for communications
   proc_to_comm = d_idx(point_to_proc+psb_proc_id_)

src/internals/psi_zswapdata.f90

@@ -101,6 +101,8 @@ subroutine psi_zswapdatam(flag,n,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
 
   ! prepare info for communications
   proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
@@ -553,6 +555,8 @@ subroutine psi_zswapdatav(flag,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
   n=1
 
   ! prepare info for communications

src/internals/psi_zswaptran.f90

@@ -102,6 +102,8 @@ subroutine psi_zswaptranm(flag,n,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
 
   ! prepare info for communications
   proc_to_comm = d_idx(point_to_proc+psb_proc_id_)
@@ -557,6 +559,8 @@ subroutine psi_zswaptranv(flag,beta,y,desc_a,work,info,data)
   totxch = 0
   point_to_proc = 1
   rvhd(:) = mpi_request_null
+  sdsz(:) = 0 
+  rvsz(:) = 0 
   n=1
 
   ! prepare info for communications