From 8503f02789bf16b0ae4d9d64a97c4284ecfd1af4 Mon Sep 17 00:00:00 2001
From: Salvatore Filippone <salvatore.filippone@cranfield.ac.uk>
Date: Wed, 23 Jun 2010 14:49:55 +0000
Subject: [PATCH] psblas3:

 base/modules/psb_const_mod.F90
 base/modules/psb_d_base_mat_mod.f03
 base/modules/psb_d_csc_mat_mod.f03
 base/modules/psb_d_csr_mat_mod.f03
 base/modules/psb_d_mat_mod.f03
 base/modules/psb_d_psblas_mod.f90
 base/modules/psb_error_mod.F90
 base/psblas/Makefile
 base/psblas/psb_dnrmi.f90
 base/psblas/psb_dspnrm1.f90
 base/serial/f03/psb_d_base_mat_impl.f03
 base/serial/f03/psb_d_coo_impl.f03
 base/serial/f03/psb_d_csc_impl.f03
 base/serial/f03/psb_d_csr_impl.f03
 base/serial/f03/psb_d_mat_impl.f03

Added ROWSUM,ARWSUM,COLSUM,ACLSUM and SPNRM1.
Only for D at this time.
---
 base/modules/psb_const_mod.F90          |   1 +
 base/modules/psb_d_base_mat_mod.f03     |  93 +++++++-
 base/modules/psb_d_csc_mat_mod.f03      |  45 ++++
 base/modules/psb_d_csr_mat_mod.f03      |  45 ++++
 base/modules/psb_d_mat_mod.f03          |  50 ++++-
 base/modules/psb_d_psblas_mod.f90       |  11 +
 base/modules/psb_error_mod.F90          |   3 +
 base/psblas/Makefile                    |   1 +
 base/psblas/psb_dnrmi.f90               |   2 +-
 base/psblas/psb_dspnrm1.f90             | 143 ++++++++++++
 base/serial/f03/psb_d_base_mat_impl.f03 | 134 ++++++++++++
 base/serial/f03/psb_d_coo_impl.f03      | 277 ++++++++++++++++++++++--
 base/serial/f03/psb_d_csc_impl.f03      | 236 ++++++++++++++++++++
 base/serial/f03/psb_d_csr_impl.f03      | 242 +++++++++++++++++++++
 base/serial/f03/psb_d_mat_impl.f03      | 181 ++++++++++++++++
 15 files changed, 1445 insertions(+), 19 deletions(-)
 create mode 100644 base/psblas/psb_dspnrm1.f90

diff --git a/base/modules/psb_const_mod.F90 b/base/modules/psb_const_mod.F90
index cc8c3814..fd2bb2a9 100644
--- a/base/modules/psb_const_mod.F90
+++ b/base/modules/psb_const_mod.F90
@@ -121,6 +121,7 @@ module psb_const_mod
   integer, parameter, public :: psb_err_iarg_pos_=20
   integer, parameter, public :: psb_err_input_value_invalid_i_=30
   integer, parameter, public :: psb_err_input_asize_invalid_i_=35
+  integer, parameter, public :: psb_err_input_asize_small_i_=36
   integer, parameter, public :: psb_err_iarg_invalid_i_=40
   integer, parameter, public :: psb_err_iarg_not_gtia_ii_=50
   integer, parameter, public :: psb_err_iarg_not_gteia_ii_=60
diff --git a/base/modules/psb_d_base_mat_mod.f03 b/base/modules/psb_d_base_mat_mod.f03
index d1406227..027d9c43 100644
--- a/base/modules/psb_d_base_mat_mod.f03
+++ b/base/modules/psb_d_base_mat_mod.f03
@@ -17,6 +17,11 @@ module psb_d_base_mat_mod
     procedure, pass(a) :: d_scal       => psb_d_base_scal
     generic, public    :: scal         => d_scals, d_scal 
     procedure, pass(a) :: csnmi        => psb_d_base_csnmi
+    procedure, pass(a) :: csnm1        => psb_d_base_csnm1
+    procedure, pass(a) :: rowsum       => psb_d_base_rowsum
+    procedure, pass(a) :: arwsum       => psb_d_base_arwsum
+    procedure, pass(a) :: colsum       => psb_d_base_colsum
+    procedure, pass(a) :: aclsum       => psb_d_base_aclsum
     procedure, pass(a) :: get_diag     => psb_d_base_get_diag
     
     procedure, pass(a) :: csput       => psb_d_base_csput  
@@ -66,7 +71,6 @@ module psb_d_base_mat_mod
     procedure, pass(a) :: d_inner_cssv => psb_d_coo_cssv
     procedure, pass(a) :: d_scals      => psb_d_coo_scals
     procedure, pass(a) :: d_scal       => psb_d_coo_scal
-    procedure, pass(a) :: csnmi        => psb_d_coo_csnmi
     procedure, pass(a) :: reallocate_nz => psb_d_coo_reallocate_nz
     procedure, pass(a) :: allocate_mnnz => psb_d_coo_allocate_mnnz
     procedure, pass(a) :: cp_to_coo    => psb_d_cp_coo_to_coo
@@ -78,6 +82,12 @@ module psb_d_base_mat_mod
     procedure, pass(a) :: mv_to_fmt    => psb_d_mv_coo_to_fmt
     procedure, pass(a) :: mv_from_fmt  => psb_d_mv_coo_from_fmt
     procedure, pass(a) :: csput        => psb_d_coo_csput
+    procedure, pass(a) :: csnmi        => psb_d_coo_csnmi
+    procedure, pass(a) :: csnm1        => psb_d_coo_csnm1
+    procedure, pass(a) :: rowsum       => psb_d_coo_rowsum
+    procedure, pass(a) :: arwsum       => psb_d_coo_arwsum
+    procedure, pass(a) :: colsum       => psb_d_coo_colsum
+    procedure, pass(a) :: aclsum       => psb_d_coo_aclsum
     procedure, pass(a) :: get_diag     => psb_d_coo_get_diag
     procedure, pass(a) :: d_csgetrow   => psb_d_coo_csgetrow
     procedure, pass(a) :: csgetptn     => psb_d_coo_csgetptn
@@ -202,6 +212,46 @@ module psb_d_base_mat_mod
       real(psb_dpk_)         :: res
     end function psb_d_base_csnmi
   end interface
+
+  interface 
+    function psb_d_base_csnm1(a) result(res)
+      import psb_d_base_sparse_mat, psb_dpk_
+      class(psb_d_base_sparse_mat), intent(in) :: a
+      real(psb_dpk_)         :: res
+    end function psb_d_base_csnm1
+  end interface
+
+  interface 
+    subroutine psb_d_base_rowsum(d,a) 
+      import psb_d_base_sparse_mat, psb_dpk_
+      class(psb_d_base_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_base_rowsum
+  end interface
+
+  interface 
+    subroutine psb_d_base_arwsum(d,a) 
+      import psb_d_base_sparse_mat, psb_dpk_
+      class(psb_d_base_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_base_arwsum
+  end interface
+  
+  interface 
+    subroutine psb_d_base_colsum(d,a) 
+      import psb_d_base_sparse_mat, psb_dpk_
+      class(psb_d_base_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_base_colsum
+  end interface
+
+  interface 
+    subroutine psb_d_base_aclsum(d,a) 
+      import psb_d_base_sparse_mat, psb_dpk_
+      class(psb_d_base_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_base_aclsum
+  end interface
   
   interface 
     subroutine psb_d_base_get_diag(a,d,info) 
@@ -636,6 +686,47 @@ module psb_d_base_mat_mod
     end function psb_d_coo_csnmi
   end interface
   
+  interface 
+    function psb_d_coo_csnm1(a) result(res)
+      import psb_d_coo_sparse_mat, psb_dpk_
+      class(psb_d_coo_sparse_mat), intent(in) :: a
+      real(psb_dpk_)         :: res
+    end function psb_d_coo_csnm1
+  end interface
+
+  interface 
+    subroutine psb_d_coo_rowsum(d,a) 
+      import psb_d_coo_sparse_mat, psb_dpk_
+      class(psb_d_coo_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_coo_rowsum
+  end interface
+
+  interface 
+    subroutine psb_d_coo_arwsum(d,a) 
+      import psb_d_coo_sparse_mat, psb_dpk_
+      class(psb_d_coo_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_coo_arwsum
+  end interface
+  
+  interface 
+    subroutine psb_d_coo_colsum(d,a) 
+      import psb_d_coo_sparse_mat, psb_dpk_
+      class(psb_d_coo_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_coo_colsum
+  end interface
+
+  interface 
+    subroutine psb_d_coo_aclsum(d,a) 
+      import psb_d_coo_sparse_mat, psb_dpk_
+      class(psb_d_coo_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_coo_aclsum
+  end interface
+  
+
   interface 
     subroutine psb_d_coo_get_diag(a,d,info) 
       import psb_d_coo_sparse_mat, psb_dpk_
diff --git a/base/modules/psb_d_csc_mat_mod.f03 b/base/modules/psb_d_csc_mat_mod.f03
index a74fd09c..db2af297 100644
--- a/base/modules/psb_d_csc_mat_mod.f03
+++ b/base/modules/psb_d_csc_mat_mod.f03
@@ -19,6 +19,11 @@ module psb_d_csc_mat_mod
     procedure, pass(a) :: d_scals      => psb_d_csc_scals
     procedure, pass(a) :: d_scal       => psb_d_csc_scal
     procedure, pass(a) :: csnmi        => psb_d_csc_csnmi
+    procedure, pass(a) :: csnm1        => psb_d_csc_csnm1
+    procedure, pass(a) :: rowsum       => psb_d_csc_rowsum
+    procedure, pass(a) :: arwsum       => psb_d_csc_arwsum
+    procedure, pass(a) :: colsum       => psb_d_csc_colsum
+    procedure, pass(a) :: aclsum       => psb_d_csc_aclsum
     procedure, pass(a) :: reallocate_nz => psb_d_csc_reallocate_nz
     procedure, pass(a) :: allocate_mnnz => psb_d_csc_allocate_mnnz
     procedure, pass(a) :: cp_to_coo    => psb_d_cp_csc_to_coo
@@ -288,6 +293,46 @@ module psb_d_csc_mat_mod
     end function psb_d_csc_csnmi
   end interface
   
+  interface 
+    function psb_d_csc_csnm1(a) result(res)
+      import psb_d_csc_sparse_mat, psb_dpk_
+      class(psb_d_csc_sparse_mat), intent(in) :: a
+      real(psb_dpk_)         :: res
+    end function psb_d_csc_csnm1
+  end interface
+
+  interface 
+    subroutine psb_d_csc_rowsum(d,a) 
+      import psb_d_csc_sparse_mat, psb_dpk_
+      class(psb_d_csc_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csc_rowsum
+  end interface
+
+  interface 
+    subroutine psb_d_csc_arwsum(d,a) 
+      import psb_d_csc_sparse_mat, psb_dpk_
+      class(psb_d_csc_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csc_arwsum
+  end interface
+  
+  interface 
+    subroutine psb_d_csc_colsum(d,a) 
+      import psb_d_csc_sparse_mat, psb_dpk_
+      class(psb_d_csc_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csc_colsum
+  end interface
+
+  interface 
+    subroutine psb_d_csc_aclsum(d,a) 
+      import psb_d_csc_sparse_mat, psb_dpk_
+      class(psb_d_csc_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csc_aclsum
+  end interface
+    
   interface 
     subroutine psb_d_csc_get_diag(a,d,info) 
       import psb_d_csc_sparse_mat, psb_dpk_
diff --git a/base/modules/psb_d_csr_mat_mod.f03 b/base/modules/psb_d_csr_mat_mod.f03
index ccc4a9c0..965ddcb2 100644
--- a/base/modules/psb_d_csr_mat_mod.f03
+++ b/base/modules/psb_d_csr_mat_mod.f03
@@ -19,6 +19,11 @@ module psb_d_csr_mat_mod
     procedure, pass(a) :: d_scals      => psb_d_csr_scals
     procedure, pass(a) :: d_scal       => psb_d_csr_scal
     procedure, pass(a) :: csnmi        => psb_d_csr_csnmi
+    procedure, pass(a) :: csnm1        => psb_d_csr_csnm1
+    procedure, pass(a) :: rowsum       => psb_d_csr_rowsum
+    procedure, pass(a) :: arwsum       => psb_d_csr_arwsum
+    procedure, pass(a) :: colsum       => psb_d_csr_colsum
+    procedure, pass(a) :: aclsum       => psb_d_csr_aclsum
     procedure, pass(a) :: reallocate_nz => psb_d_csr_reallocate_nz
     procedure, pass(a) :: allocate_mnnz => psb_d_csr_allocate_mnnz
     procedure, pass(a) :: cp_to_coo    => psb_d_cp_csr_to_coo
@@ -288,6 +293,46 @@ module psb_d_csr_mat_mod
     end function psb_d_csr_csnmi
   end interface
   
+  interface 
+    function psb_d_csr_csnm1(a) result(res)
+      import psb_d_csr_sparse_mat, psb_dpk_
+      class(psb_d_csr_sparse_mat), intent(in) :: a
+      real(psb_dpk_)         :: res
+    end function psb_d_csr_csnm1
+  end interface
+
+  interface 
+    subroutine psb_d_csr_rowsum(d,a) 
+      import psb_d_csr_sparse_mat, psb_dpk_
+      class(psb_d_csr_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csr_rowsum
+  end interface
+
+  interface 
+    subroutine psb_d_csr_arwsum(d,a) 
+      import psb_d_csr_sparse_mat, psb_dpk_
+      class(psb_d_csr_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csr_arwsum
+  end interface
+  
+  interface 
+    subroutine psb_d_csr_colsum(d,a) 
+      import psb_d_csr_sparse_mat, psb_dpk_
+      class(psb_d_csr_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csr_colsum
+  end interface
+
+  interface 
+    subroutine psb_d_csr_aclsum(d,a) 
+      import psb_d_csr_sparse_mat, psb_dpk_
+      class(psb_d_csr_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)              :: d(:)
+    end subroutine psb_d_csr_aclsum
+  end interface
+    
   interface 
     subroutine psb_d_csr_get_diag(a,d,info) 
       import psb_d_csr_sparse_mat, psb_dpk_
diff --git a/base/modules/psb_d_mat_mod.f03 b/base/modules/psb_d_mat_mod.f03
index 305b3bfd..b13d50dd 100644
--- a/base/modules/psb_d_mat_mod.f03
+++ b/base/modules/psb_d_mat_mod.f03
@@ -87,6 +87,11 @@ module psb_d_mat_mod
     ! Computational routines 
     procedure, pass(a) :: get_diag => psb_d_get_diag
     procedure, pass(a) :: csnmi    => psb_d_csnmi
+    procedure, pass(a) :: csnm1    => psb_d_csnm1
+    procedure, pass(a) :: rowsum   => psb_d_rowsum
+    procedure, pass(a) :: arwsum   => psb_d_arwsum
+    procedure, pass(a) :: colsum   => psb_d_colsum
+    procedure, pass(a) :: aclsum   => psb_d_aclsum
     procedure, pass(a) :: d_csmv   => psb_d_csmv
     procedure, pass(a) :: d_csmm   => psb_d_csmm
     generic, public    :: csmm => d_csmm, d_csmv
@@ -101,8 +106,8 @@ module psb_d_mat_mod
 
   private :: psb_d_get_nrows, psb_d_get_ncols, psb_d_get_nzeros, psb_d_get_size, &
        & psb_d_get_state, psb_d_get_dupl, psb_d_is_null, psb_d_is_bld, psb_d_is_upd, &
-       & psb_d_is_asb, psb_d_is_sorted, psb_d_is_upper, psb_d_is_lower, psb_d_is_triangle,&
-       & psb_d_get_nz_row
+       & psb_d_is_asb, psb_d_is_sorted, psb_d_is_upper, psb_d_is_lower,&
+       & psb_d_is_triangle, psb_d_get_nz_row
 
   interface psb_sizeof
     module procedure psb_d_sizeof
@@ -566,6 +571,47 @@ module psb_d_mat_mod
       real(psb_dpk_)         :: res
     end function psb_d_csnmi
   end interface
+  
+  interface 
+    function psb_d_csnm1(a) result(res)
+      import psb_d_sparse_mat, psb_dpk_
+      class(psb_d_sparse_mat), intent(in) :: a
+      real(psb_dpk_)         :: res
+    end function psb_d_csnm1
+  end interface
+
+  interface 
+    subroutine psb_d_rowsum(d,a) 
+      import psb_d_sparse_mat, psb_dpk_
+      class(psb_d_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)         :: d(:)
+    end subroutine psb_d_rowsum
+  end interface
+
+  interface 
+    subroutine psb_d_arwsum(d,a) 
+      import psb_d_sparse_mat, psb_dpk_
+      class(psb_d_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)         :: d(:)
+    end subroutine psb_d_arwsum
+  end interface
+  
+  interface 
+    subroutine psb_d_colsum(d,a) 
+      import psb_d_sparse_mat, psb_dpk_
+      class(psb_d_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)         :: d(:)
+    end subroutine psb_d_colsum
+  end interface
+
+  interface 
+    subroutine psb_d_aclsum(d,a) 
+      import psb_d_sparse_mat, psb_dpk_
+      class(psb_d_sparse_mat), intent(in) :: a
+      real(psb_dpk_), intent(out)         :: d(:)
+    end subroutine psb_d_aclsum
+  end interface
+  
 
   interface 
     subroutine psb_d_get_diag(a,d,info)
diff --git a/base/modules/psb_d_psblas_mod.f90 b/base/modules/psb_d_psblas_mod.f90
index a52a0962..cb11340f 100644
--- a/base/modules/psb_d_psblas_mod.f90
+++ b/base/modules/psb_d_psblas_mod.f90
@@ -201,6 +201,17 @@ module psb_d_psblas_mod
     end function psb_dnrmi
   end interface
 
+  interface psb_spnrm1
+    function psb_dspnrm1(a, desc_a,info)
+      use psb_descriptor_type, only : psb_desc_type, psb_spk_, psb_dpk_
+      use psb_mat_mod, only : psb_d_sparse_mat
+      real(psb_dpk_)                      :: psb_dspnrm1
+      type(psb_d_sparse_mat), intent (in) :: a
+      type(psb_desc_type), intent (in)    :: desc_a
+      integer, intent(out)                :: info
+    end function psb_dspnrm1
+  end interface
+
   interface psb_spmm
     subroutine psb_dspmm(alpha, a, x, beta, y, desc_a, info,&
          &trans, k, jx, jy,work,doswap)
diff --git a/base/modules/psb_error_mod.F90 b/base/modules/psb_error_mod.F90
index a86c5ba7..b87d6144 100644
--- a/base/modules/psb_error_mod.F90
+++ b/base/modules/psb_error_mod.F90
@@ -307,6 +307,9 @@ contains
     case(psb_err_input_asize_invalid_i_)
       write (error_unit,'("Size of input array argument n. ",i0," is invalid.")')i_e_d(1)
       write (error_unit,'("Current value is ",i0)')i_e_d(2)
+    case(psb_err_input_asize_small_i_)
+      write (error_unit,'("Size of input array argument n. ",i0," is too small.")')i_e_d(1)
+      write (error_unit,'("Current value is ",i0," Should be at least ",i0)') i_e_d(2),i_e_d(3)
     case(psb_err_iarg_invalid_i_)
       write (error_unit,'("input argument n. ",i0," has an invalid value")')i_e_d(1)
       write (error_unit,'("current value is ",a)')a_e_d(2:2)
diff --git a/base/psblas/Makefile b/base/psblas/Makefile
index 52781ad8..fbb06a8b 100644
--- a/base/psblas/Makefile
+++ b/base/psblas/Makefile
@@ -3,6 +3,7 @@ include ../../Make.inc
 #FCOPT=-O2
 OBJS= psb_ddot.o psb_damax.o psb_dasum.o psb_daxpby.o\
 	 psb_dnrm2.o psb_dnrmi.o psb_dspmm.o psb_dspsm.o\
+	psb_dspnrm1.o \
 	psb_zamax.o psb_zasum.o psb_zaxpby.o psb_zdot.o \
 	psb_znrm2.o psb_znrmi.o psb_zspmm.o psb_zspsm.o\
 	psb_saxpby.o psb_sdot.o  psb_sasum.o psb_samax.o\
diff --git a/base/psblas/psb_dnrmi.f90 b/base/psblas/psb_dnrmi.f90
index 8018630b..ffae937f 100644
--- a/base/psblas/psb_dnrmi.f90
+++ b/base/psblas/psb_dnrmi.f90
@@ -34,7 +34,7 @@
 ! Function: psb_dnrmi
 !    Forms the approximated norm of a sparse matrix,       
 !
-!    normi := max(abs(sum(A(i,j))))                                                 
+!    normi := max(sum(abs(A(i,:))))                                                 
 !
 ! Arguments:
 !    a      -  type(psb_dspmat_type).   The sparse matrix containing A.
diff --git a/base/psblas/psb_dspnrm1.f90 b/base/psblas/psb_dspnrm1.f90
new file mode 100644
index 00000000..d881a3d0
--- /dev/null
+++ b/base/psblas/psb_dspnrm1.f90
@@ -0,0 +1,143 @@
+!!$ 
+!!$              Parallel Sparse BLAS  version 2.2
+!!$    (C) Copyright 2006/2007/2008
+!!$                       Salvatore Filippone    University of Rome Tor Vergata
+!!$                       Alfredo Buttari        University of Rome Tor Vergata
+!!$ 
+!!$  Redistribution and use in source and binary forms, with or without
+!!$  modification, are permitted provided that the following conditions
+!!$  are met:
+!!$    1. Redistributions of source code must retain the above copyright
+!!$       notice, this list of conditions and the following disclaimer.
+!!$    2. Redistributions in binary form must reproduce the above copyright
+!!$       notice, this list of conditions, and the following disclaimer in the
+!!$       documentation and/or other materials provided with the distribution.
+!!$    3. The name of the PSBLAS group or the names of its contributors may
+!!$       not be used to endorse or promote products derived from this
+!!$       software without specific written permission.
+!!$ 
+!!$  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+!!$  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+!!$  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+!!$  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
+!!$  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+!!$  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+!!$  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+!!$  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+!!$  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+!!$  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+!!$  POSSIBILITY OF SUCH DAMAGE.
+!!$ 
+!!$  
+! File: psb_dnrmi.f90
+!
+! Function: psb_dnrmi
+!    Forms the approximated norm of a sparse matrix,       
+!
+!    norm1 := max(sum(abs(A(:,j))))                                                 
+!
+! Arguments:
+!    a      -  type(psb_dspmat_type).   The sparse matrix containing A.
+!    desc_a -  type(psb_desc_type).     The communication descriptor.
+!    info   -  integer.                   Return code
+!
+function psb_dspnrm1(a,desc_a,info)  
+!!$  use psb_descriptor_type
+!!$  use psb_serial_mod
+!!$  use psb_check_mod
+!!$  use psb_error_mod
+!!$  use psb_penv_mod
+!!$  use psb_mat_mod
+!!$  use psb_tools_mod
+  use psb_sparse_mod, psb_protect_name => psb_dspnrm1
+  implicit none
+
+  type(psb_d_sparse_mat), intent(in) :: a
+  integer, intent(out)               :: info
+  type(psb_desc_type), intent(in)    :: desc_a
+  real(psb_dpk_)                     :: psb_dspnrm1
+
+  ! locals
+  integer                  :: ictxt, np, me, nr,nc,&
+       & err_act, n, iia, jja, ia, ja, mdim, ndim, m
+  real(psb_dpk_)         :: nrm1
+  character(len=20)      :: name, ch_err
+  real(psb_dpk_), allocatable :: v(:)
+
+  name='psb_dnrm1'
+  if(psb_get_errstatus() /= 0) return 
+  info=psb_success_
+  call psb_erractionsave(err_act)
+
+  ictxt=psb_cd_get_context(desc_a)
+
+  call psb_info(ictxt, me, np)
+  if (np == -1) then
+    info = psb_err_context_error_
+    call psb_errpush(info,name)
+    goto 9999
+  endif
+
+  ia = 1
+  ja = 1
+  m = psb_cd_get_global_rows(desc_a)
+  n = psb_cd_get_global_cols(desc_a)
+  nr = psb_cd_get_local_rows(desc_a)
+  nc = psb_cd_get_local_cols(desc_a)
+
+  call psb_chkmat(m,n,ia,ja,desc_a,info,iia,jja)
+  if(info /= psb_success_) then
+    info=psb_err_from_subroutine_
+    ch_err='psb_chkmat'
+    call psb_errpush(info,name,a_err=ch_err)
+    goto 9999
+  end if
+
+  if ((iia /= 1).or.(jja /= 1)) then
+    info=psb_err_ix_n1_iy_n1_unsupported_
+    call psb_errpush(info,name)
+    goto 9999
+  end if
+
+  call psb_geall(v,desc_a,info)
+  if(info == psb_success_) then 
+    v = dzero
+    call psb_geasb(v,desc_a,info)
+  end if
+  if(info /= psb_success_) then
+    info=psb_err_from_subroutine_
+    ch_err='geall/asb'
+    call psb_errpush(info,name,a_err=ch_err)
+    goto 9999
+  end if
+  
+  if ((m /= 0).and.(n /= 0)) then
+    call a%aclsum(v)
+    call psb_halo(v,desc_a,info,tran='T')
+    if(info /= psb_success_) then
+      info=psb_err_from_subroutine_
+      ch_err='psb_halo'
+      call psb_errpush(info,name,a_err=ch_err)
+      goto 9999
+    end if
+    nrm1 = maxval(v(1:nr))
+  else
+    nrm1 = 0.d0
+  end if
+  ! compute global max
+  call psb_amx(ictxt, nrm1)
+
+  psb_dspnrm1 = nrm1
+
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error(ictxt)
+    return
+  end if
+  return
+end function psb_dspnrm1
diff --git a/base/serial/f03/psb_d_base_mat_impl.f03 b/base/serial/f03/psb_d_base_mat_impl.f03
index d57f9f8e..ad5845a6 100644
--- a/base/serial/f03/psb_d_base_mat_impl.f03
+++ b/base/serial/f03/psb_d_base_mat_impl.f03
@@ -1044,6 +1044,140 @@ function psb_d_base_csnmi(a) result(res)
 
 end function psb_d_base_csnmi
 
+function psb_d_base_csnm1(a) result(res)
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_base_csnm1
+
+  implicit none 
+  class(psb_d_base_sparse_mat), intent(in) :: a
+  real(psb_dpk_)         :: res
+
+  Integer :: err_act, info
+  character(len=20)  :: name='csnm1'
+  logical, parameter :: debug=.false.
+
+  call psb_get_erraction(err_act)
+  ! This is the base version. If we get here
+  ! it means the derived class is incomplete,
+  ! so we throw an error.
+  info = psb_err_missing_override_method_
+  call psb_errpush(info,name,a_err=a%get_fmt())
+
+  if (err_act /= psb_act_ret_) then
+    call psb_error()
+  end if
+  res = -done
+
+  return
+
+end function psb_d_base_csnm1
+
+subroutine psb_d_base_rowsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_base_rowsum
+  class(psb_d_base_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  Integer :: err_act, info
+  character(len=20)  :: name='rowsum'
+  logical, parameter :: debug=.false.
+
+  call psb_get_erraction(err_act)
+  ! This is the base version. If we get here
+  ! it means the derived class is incomplete,
+  ! so we throw an error.
+  info = psb_err_missing_override_method_
+  call psb_errpush(info,name,a_err=a%get_fmt())
+
+  if (err_act /= psb_act_ret_) then
+    call psb_error()
+  end if
+
+  return
+
+end subroutine psb_d_base_rowsum
+
+subroutine psb_d_base_arwsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_base_arwsum
+  class(psb_d_base_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  Integer :: err_act, info
+  character(len=20)  :: name='arwsum'
+  logical, parameter :: debug=.false.
+
+  call psb_get_erraction(err_act)
+  ! This is the base version. If we get here
+  ! it means the derived class is incomplete,
+  ! so we throw an error.
+  info = psb_err_missing_override_method_
+  call psb_errpush(info,name,a_err=a%get_fmt())
+
+  if (err_act /= psb_act_ret_) then
+    call psb_error()
+  end if
+
+  return
+
+end subroutine psb_d_base_arwsum
+
+subroutine psb_d_base_colsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_base_colsum
+  class(psb_d_base_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  Integer :: err_act, info
+  character(len=20)  :: name='colsum'
+  logical, parameter :: debug=.false.
+
+  call psb_get_erraction(err_act)
+  ! This is the base version. If we get here
+  ! it means the derived class is incomplete,
+  ! so we throw an error.
+  info = psb_err_missing_override_method_
+  call psb_errpush(info,name,a_err=a%get_fmt())
+
+  if (err_act /= psb_act_ret_) then
+    call psb_error()
+  end if
+
+  return
+
+end subroutine psb_d_base_colsum
+
+subroutine psb_d_base_aclsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_base_aclsum
+  class(psb_d_base_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  Integer :: err_act, info
+  character(len=20)  :: name='aclsum'
+  logical, parameter :: debug=.false.
+
+  call psb_get_erraction(err_act)
+  ! This is the base version. If we get here
+  ! it means the derived class is incomplete,
+  ! so we throw an error.
+  info = psb_err_missing_override_method_
+  call psb_errpush(info,name,a_err=a%get_fmt())
+
+  if (err_act /= psb_act_ret_) then
+    call psb_error()
+  end if
+
+  return
+
+end subroutine psb_d_base_aclsum
+
+
 subroutine psb_d_base_get_diag(a,d,info) 
   use psb_error_mod
   use psb_const_mod
diff --git a/base/serial/f03/psb_d_coo_impl.f03 b/base/serial/f03/psb_d_coo_impl.f03
index ee78dfa4..e8424fb7 100644
--- a/base/serial/f03/psb_d_coo_impl.f03
+++ b/base/serial/f03/psb_d_coo_impl.f03
@@ -1341,31 +1341,278 @@ function psb_d_coo_csnmi(a) result(res)
   class(psb_d_coo_sparse_mat), intent(in) :: a
   real(psb_dpk_)         :: res
 
-  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc, info
   real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
   logical   :: tra
   Integer :: err_act
-  character(len=20)  :: name='d_base_csnmi'
+  character(len=20)  :: name='d_coo_csnmi'
   logical, parameter :: debug=.false.
 
 
-  res = dzero 
+  res = -done 
   nnz = a%get_nzeros()
-  i   = 1
-  j   = i
-  do while (i<=nnz) 
-    do while ((a%ia(j) == a%ia(i)).and. (j <= nnz))
-      j = j+1
-    enddo
-    acc = dzero
-    do k=i, j-1
-      acc = acc + abs(a%val(k))
+  if (a%is_sorted()) then 
+    i   = 1
+    j   = i
+    res = dzero 
+    do while (i<=nnz) 
+      do while ((a%ia(j) == a%ia(i)).and. (j <= nnz))
+        j = j+1
+      enddo
+      acc = dzero
+      do k=i, j-1
+        acc = acc + abs(a%val(k))
+      end do
+      res = max(res,acc)
+      i = j
+    end do
+  else
+    m = a%get_nrows()
+    allocate(vt(m),stat=info)
+    if (info /= 0) return
+    vt(:) = dzero
+    do j=1, nnz
+      i = a%ia(j)
+      vt(i) = vt(i) + abs(a%val(j))
     end do
-    res = max(res,acc)
-    i = j
+    res = maxval(vt(1:m))
+    deallocate(vt,stat=info)
+  end if
+    
+end function psb_d_coo_csnmi
+
+
+function psb_d_coo_csnm1(a) result(res)
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_coo_csnm1
+
+  implicit none 
+  class(psb_d_coo_sparse_mat), intent(in) :: a
+  real(psb_dpk_)         :: res
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc, info
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act
+  character(len=20)  :: name='d_coo_csnm1'
+  logical, parameter :: debug=.false.
+
+
+  res = -done 
+  nnz = a%get_nzeros()
+  n = a%get_ncols()
+  allocate(vt(n),stat=info)
+  if (info /= 0) return
+  vt(:) = dzero
+  do j=1, nnz
+    i = a%ja(j)
+    vt(i) = vt(i) + abs(a%val(j))
   end do
+  res = maxval(vt(1:n))
+  deallocate(vt,stat=info)
 
-end function psb_d_coo_csnmi
+  return
+
+end function psb_d_coo_csnm1
+
+subroutine psb_d_coo_rowsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_coo_rowsum
+  class(psb_d_coo_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)             :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='rowsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_nrows()
+  if (size(d) < m) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = m
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+  nnz = a%get_nzeros()
+  do j=1, nnz
+    i    = a%ia(j)
+    d(i) = d(i) + a%val(j)
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_coo_rowsum
+
+subroutine psb_d_coo_arwsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_coo_arwsum
+  class(psb_d_coo_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='rowsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_nrows()
+  if (size(d) < m) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = m
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+  nnz = a%get_nzeros()
+  do j=1, nnz
+    i    = a%ia(j)
+    d(i) = d(i) + abs(a%val(j))
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_coo_arwsum
+
+subroutine psb_d_coo_colsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_coo_colsum
+  class(psb_d_coo_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='colsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  n = a%get_ncols()
+  if (size(d) < n) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = n
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+  nnz = a%get_nzeros()
+  do j=1, nnz
+    k    = a%ja(j)
+    d(k) = d(k) + a%val(j)
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_coo_colsum
+
+subroutine psb_d_coo_aclsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_base_mat_mod, psb_protect_name => psb_d_coo_aclsum
+  class(psb_d_coo_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='aclsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  n = a%get_ncols()
+  if (size(d) < n) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = n
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+  nnz = a%get_nzeros()
+  do j=1, nnz
+    k    = a%ja(j)
+    d(k) = d(k) + abs(a%val(j))
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_coo_aclsum
 
 
 
diff --git a/base/serial/f03/psb_d_csc_impl.f03 b/base/serial/f03/psb_d_csc_impl.f03
index 53176ec9..cbe998ff 100644
--- a/base/serial/f03/psb_d_csc_impl.f03
+++ b/base/serial/f03/psb_d_csc_impl.f03
@@ -1061,6 +1061,242 @@ function psb_d_csc_csnmi(a) result(res)
 end function psb_d_csc_csnmi
 
 
+function psb_d_csc_csnm1(a) result(res)
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_csnm1
+
+  implicit none 
+  class(psb_d_csc_sparse_mat), intent(in) :: a
+  real(psb_dpk_)         :: res
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc, info
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act
+  character(len=20)  :: name='d_csc_csnm1'
+  logical, parameter :: debug=.false.
+
+
+  res = dzero 
+  m = a%get_nrows()
+  n = a%get_ncols()
+  do j=1, n
+    acc = dzero 
+    do k=a%icp(j),a%icp(j+1)-1
+      acc = acc + abs(a%val(k))
+    end do
+    res = max(res,acc)
+  end do
+  
+  return
+
+end function psb_d_csc_csnm1
+
+subroutine psb_d_csc_colsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_colsum
+  class(psb_d_csc_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)             :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='colsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_ncols()
+  if (size(d) < m) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = m
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  do i = 1, a%get_ncols()
+    d(i) = dzero
+    do j=a%icp(i),a%icp(i+1)-1  
+      d(i) = d(i) + (a%val(j))
+    end do
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csc_colsum
+
+subroutine psb_d_csc_aclsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_aclsum
+  class(psb_d_csc_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='colsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_ncols()
+  if (size(d) < m) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = m
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+
+  do i = 1, a%get_ncols()
+    d(i) = dzero
+    do j=a%icp(i),a%icp(i+1)-1  
+      d(i) = d(i) + abs(a%val(j))
+    end do
+  end do
+
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csc_aclsum
+
+subroutine psb_d_csc_rowsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_rowsum
+  class(psb_d_csc_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='rowsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_ncols()
+  n = a%get_nrows()
+  if (size(d) < n) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = n
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+
+  do i=1, m
+    do j=a%icp(i),a%icp(i+1)-1
+      k = a%ia(j)
+      d(k) = d(k) + (a%val(k))
+    end do
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csc_rowsum
+
+subroutine psb_d_csc_arwsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csc_mat_mod, psb_protect_name => psb_d_csc_arwsum
+  class(psb_d_csc_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='arwsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_ncols()
+  n = a%get_nrows()
+  if (size(d) < n) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = n
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+
+  do i=1, m
+    do j=a%icp(i),a%icp(i+1)-1
+      k = a%ia(j)
+      d(k) = d(k) + abs(a%val(k))
+    end do
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csc_arwsum
+
+
 subroutine psb_d_csc_get_diag(a,d,info) 
   use psb_error_mod
   use psb_const_mod
diff --git a/base/serial/f03/psb_d_csr_impl.f03 b/base/serial/f03/psb_d_csr_impl.f03
index 64c994b9..508680b2 100644
--- a/base/serial/f03/psb_d_csr_impl.f03
+++ b/base/serial/f03/psb_d_csr_impl.f03
@@ -1071,6 +1071,248 @@ function psb_d_csr_csnmi(a) result(res)
 
 end function psb_d_csr_csnmi
 
+
+function psb_d_csr_csnm1(a) result(res)
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_csnm1
+
+  implicit none 
+  class(psb_d_csr_sparse_mat), intent(in) :: a
+  real(psb_dpk_)         :: res
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc, info
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act
+  character(len=20)  :: name='d_csr_csnm1'
+  logical, parameter :: debug=.false.
+
+
+  res = -done 
+  nnz = a%get_nzeros()
+  m = a%get_nrows()
+  n = a%get_ncols()
+  allocate(vt(n),stat=info)
+  if (info /= 0) return
+  vt(:) = dzero
+  do i=1, m
+    do j=a%irp(i),a%irp(i+1)-1
+      k = a%ja(j)
+      vt(k) = vt(k) + abs(a%val(k))
+    end do
+  end do
+  res = maxval(vt(1:n))
+  deallocate(vt,stat=info)
+
+  return
+
+end function psb_d_csr_csnm1
+
+subroutine psb_d_csr_rowsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_rowsum
+  class(psb_d_csr_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)             :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='rowsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_nrows()
+  if (size(d) < m) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = m
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  do i = 1, a%get_nrows()
+    d(i) = dzero
+    do j=a%irp(i),a%irp(i+1)-1  
+      d(i) = d(i) + (a%val(j))
+    end do
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csr_rowsum
+
+subroutine psb_d_csr_arwsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_arwsum
+  class(psb_d_csr_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='rowsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_nrows()
+  if (size(d) < m) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = m
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+
+  do i = 1, a%get_nrows()
+    d(i) = dzero
+    do j=a%irp(i),a%irp(i+1)-1  
+      d(i) = d(i) + abs(a%val(j))
+    end do
+  end do
+
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csr_arwsum
+
+subroutine psb_d_csr_colsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_colsum
+  class(psb_d_csr_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='colsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_nrows()
+  n = a%get_ncols()
+  if (size(d) < n) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = n
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+
+  do i=1, m
+    do j=a%irp(i),a%irp(i+1)-1
+      k = a%ja(j)
+      d(k) = d(k) + (a%val(k))
+    end do
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csr_colsum
+
+subroutine psb_d_csr_aclsum(d,a) 
+  use psb_error_mod
+  use psb_const_mod
+  use psb_d_csr_mat_mod, psb_protect_name => psb_d_csr_aclsum
+  class(psb_d_csr_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)              :: d(:)
+
+  integer   :: i,j,k,m,n, nnz, ir, jc, nc
+  real(psb_dpk_) :: acc
+  real(psb_dpk_), allocatable :: vt(:)
+  logical   :: tra
+  Integer :: err_act, info, int_err(5)
+  character(len=20)  :: name='aclsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+
+  m = a%get_nrows()
+  n = a%get_ncols()
+  if (size(d) < n) then 
+    info=psb_err_input_asize_small_i_
+    int_err(1) = 1
+    int_err(2) = size(d)
+    int_err(3) = n
+    call psb_errpush(info,name,i_err=int_err)
+    goto 9999
+  end if
+
+  d   = dzero
+
+  do i=1, m
+    do j=a%irp(i),a%irp(i+1)-1
+      k = a%ja(j)
+      d(k) = d(k) + abs(a%val(k))
+    end do
+  end do
+
+  return
+  call psb_erractionrestore(err_act)
+  return  
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_csr_aclsum
+
+
 subroutine psb_d_csr_get_diag(a,d,info) 
   use psb_error_mod
   use psb_const_mod
diff --git a/base/serial/f03/psb_d_mat_impl.f03 b/base/serial/f03/psb_d_mat_impl.f03
index 917b8cba..7d90bcd7 100644
--- a/base/serial/f03/psb_d_mat_impl.f03
+++ b/base/serial/f03/psb_d_mat_impl.f03
@@ -1856,6 +1856,187 @@ function psb_d_csnmi(a) result(res)
 end function psb_d_csnmi
 
 
+function psb_d_csnm1(a) result(res)
+  use psb_d_mat_mod, psb_protect_name => psb_d_csnm1
+  use psb_error_mod
+  use psb_const_mod
+  implicit none 
+  class(psb_d_sparse_mat), intent(in) :: a
+  real(psb_dpk_)         :: res
+
+  Integer :: err_act, info
+  character(len=20)  :: name='csnm1'
+  logical, parameter :: debug=.false.
+
+  call psb_get_erraction(err_act)
+  if (.not.allocated(a%a)) then 
+    info = 1121
+    call psb_errpush(info,name)
+    goto 9999
+  endif
+
+  res = a%a%csnm1()
+  return
+
+9999 continue
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end function psb_d_csnm1
+
+
+subroutine psb_d_rowsum(d,a,info)
+  use psb_d_mat_mod, psb_protect_name => psb_d_rowsum
+  use psb_error_mod
+  use psb_const_mod
+  implicit none 
+  class(psb_d_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)          :: d(:)
+  integer, intent(out)                 :: info
+
+  Integer :: err_act
+  character(len=20)  :: name='rowsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+  if (.not.allocated(a%a)) then 
+    info = 1121
+    call psb_errpush(info,name)
+    goto 9999
+  endif
+
+  call a%a%rowsum(d)
+  if (info /= psb_success_) goto 9999
+
+  call psb_erractionrestore(err_act)
+  return
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_rowsum
+
+subroutine psb_d_arwsum(d,a,info)
+  use psb_d_mat_mod, psb_protect_name => psb_d_arwsum
+  use psb_error_mod
+  use psb_const_mod
+  implicit none 
+  class(psb_d_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)          :: d(:)
+  integer, intent(out)                 :: info
+
+  Integer :: err_act
+  character(len=20)  :: name='arwsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+  if (.not.allocated(a%a)) then 
+    info = 1121
+    call psb_errpush(info,name)
+    goto 9999
+  endif
+
+  call a%a%arwsum(d)
+  if (info /= psb_success_) goto 9999
+
+  call psb_erractionrestore(err_act)
+  return
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_arwsum
+
+subroutine psb_d_colsum(d,a,info)
+  use psb_d_mat_mod, psb_protect_name => psb_d_colsum
+  use psb_error_mod
+  use psb_const_mod
+  implicit none 
+  class(psb_d_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)          :: d(:)
+  integer, intent(out)                 :: info
+
+  Integer :: err_act
+  character(len=20)  :: name='colsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+  if (.not.allocated(a%a)) then 
+    info = 1121
+    call psb_errpush(info,name)
+    goto 9999
+  endif
+
+  call a%a%colsum(d)
+  if (info /= psb_success_) goto 9999
+
+  call psb_erractionrestore(err_act)
+  return
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_colsum
+
+subroutine psb_d_aclsum(d,a,info)
+  use psb_d_mat_mod, psb_protect_name => psb_d_aclsum
+  use psb_error_mod
+  use psb_const_mod
+  implicit none 
+  class(psb_d_sparse_mat), intent(in) :: a
+  real(psb_dpk_), intent(out)          :: d(:)
+  integer, intent(out)                 :: info
+
+  Integer :: err_act
+  character(len=20)  :: name='aclsum'
+  logical, parameter :: debug=.false.
+
+  call psb_erractionsave(err_act)
+  if (.not.allocated(a%a)) then 
+    info = 1121
+    call psb_errpush(info,name)
+    goto 9999
+  endif
+
+  call a%a%aclsum(d)
+  if (info /= psb_success_) goto 9999
+
+  call psb_erractionrestore(err_act)
+  return
+
+9999 continue
+  call psb_erractionrestore(err_act)
+
+  if (err_act == psb_act_abort_) then
+    call psb_error()
+    return
+  end if
+  return
+
+end subroutine psb_d_aclsum
+
 subroutine psb_d_get_diag(a,d,info)
   use psb_d_mat_mod, psb_protect_name => psb_d_get_diag
   use psb_error_mod