From 98bbaf42bf16cc40faee7ddca28c0369144f3d95 Mon Sep 17 00:00:00 2001
From: degomme <augustin.degomme@unibas.ch>
Date: Tue, 7 Mar 2017 11:09:49 +0100
Subject: [PATCH 1/1] please sonar

---
 include/smpi/forward.hpp     | 14 ++++++-------
 src/smpi/smpi_comm.cpp       | 40 +++++++++++++++++-------------------
 src/smpi/smpi_comm.hpp       |  2 +-
 src/smpi/smpi_deployment.cpp |  4 ++--
 src/smpi/smpi_global.cpp     |  8 ++++----
 src/smpi/smpi_group.cpp      | 28 +++++++++++++------------
 src/smpi/smpi_group.hpp      |  2 +-
 src/smpi/smpi_pmpi.cpp       | 20 +++++++++---------
 src/smpi/smpi_topo.cpp       |  8 ++++----
 src/smpi/smpi_topo.hpp       |  2 +-
 10 files changed, 64 insertions(+), 64 deletions(-)

diff --git a/include/smpi/forward.hpp b/include/smpi/forward.hpp
index 81292da68b..b4f89bfac2 100644
--- a/include/smpi/forward.hpp
+++ b/include/smpi/forward.hpp
@@ -11,7 +11,7 @@
 
 #include <boost/intrusive_ptr.hpp>
 namespace simgrid {
-namespace SMPI {
+namespace smpi {
 
 class Group;
 class Comm;
@@ -23,12 +23,12 @@ class Dist_Graph;
 }
 }
 
-typedef simgrid::SMPI::Group SMPI_Group;
-typedef simgrid::SMPI::Comm SMPI_Comm;
-typedef simgrid::SMPI::Topo SMPI_Topology;
-typedef simgrid::SMPI::Graph SMPI_Graph_topology;
-typedef simgrid::SMPI::Cart SMPI_Cart_topology;
-typedef simgrid::SMPI::Dist_Graph SMPI_Dist_Graph_topology;
+typedef simgrid::smpi::Group SMPI_Group;
+typedef simgrid::smpi::Comm SMPI_Comm;
+typedef simgrid::smpi::Topo SMPI_Topology;
+typedef simgrid::smpi::Graph SMPI_Graph_topology;
+typedef simgrid::smpi::Cart SMPI_Cart_topology;
+typedef simgrid::smpi::Dist_Graph SMPI_Dist_Graph_topology;
 
 #else
 
diff --git a/src/smpi/smpi_comm.cpp b/src/smpi/smpi_comm.cpp
index c8c156906e..d72817b93c 100644
--- a/src/smpi/smpi_comm.cpp
+++ b/src/smpi/smpi_comm.cpp
@@ -24,7 +24,7 @@ xbt_dict_t smpi_comm_keyvals = nullptr;
 int comm_keyval_id = 0;//avoid collisions
 
 
-simgrid::SMPI::Comm mpi_MPI_COMM_UNINITIALIZED;
+simgrid::smpi::Comm mpi_MPI_COMM_UNINITIALIZED;
 MPI_Comm MPI_COMM_UNINITIALIZED=&mpi_MPI_COMM_UNINITIALIZED;
 
 /* Support for cartesian topology was added, but there are 2 other types of topology, graph et dist graph. In order to
@@ -51,16 +51,14 @@ static int smpi_compare_rankmap(const void *a, const void *b)
 }
 
 namespace simgrid{
-namespace SMPI{
+namespace smpi{
 
 Comm::Comm(){}
 
-Comm::Comm(MPI_Group group, MPI_Topology topo)
+Comm::Comm(MPI_Group group, MPI_Topology topo) : m_group(group), m_topo(topo)
 {
-  m_group = group;
   m_refcount=1;
   m_topoType = MPI_INVALID_TOPO;
-  m_topo = topo;
   m_intra_comm = MPI_COMM_NULL;
   m_leaders_comm = MPI_COMM_NULL;
   m_is_uniform=1;
@@ -73,7 +71,7 @@ Comm::Comm(MPI_Group group, MPI_Topology topo)
 void Comm::destroy()
 {
   if (this == MPI_COMM_UNINITIALIZED)
-    return smpi_process_comm_world()->destroy();
+    smpi_process_comm_world()->destroy();
   delete m_topo; // there's no use count on topos
   this->unuse();
 }
@@ -82,8 +80,8 @@ int Comm::dup(MPI_Comm* newcomm){
   if(smpi_privatize_global_variables){ //we need to switch as the called function may silently touch global variables
      smpi_switch_data_segment(smpi_process_index());
    }
-  MPI_Group cp = new simgrid::SMPI::Group(this->group());
-  (*newcomm) = new simgrid::SMPI::Comm(cp, this->topo());
+  MPI_Group cp = new simgrid::smpi::Group(this->group());
+  (*newcomm) = new simgrid::smpi::Comm(cp, this->topo());
   int ret = MPI_SUCCESS;
 
   if(m_attributes !=nullptr){
@@ -140,7 +138,7 @@ int Comm::rank()
 void Comm::get_name (char* name, int* len)
 {
   if (this == MPI_COMM_UNINITIALIZED)
-    return smpi_process_comm_world()->get_name(name, len);
+    smpi_process_comm_world()->get_name(name, len);
   if(this == MPI_COMM_WORLD) {
     strncpy(name, "WORLD",5);
     *len = 5;
@@ -151,7 +149,7 @@ void Comm::get_name (char* name, int* len)
 
 void Comm::set_leaders_comm(MPI_Comm leaders){
   if (this == MPI_COMM_UNINITIALIZED)
-    return smpi_process_comm_world()->set_leaders_comm(leaders);
+    smpi_process_comm_world()->set_leaders_comm(leaders);
   m_leaders_comm=leaders;
 }
 
@@ -239,7 +237,7 @@ MPI_Comm Comm::split(int color, int key)
         rankmap[2 * count + 1] = recvbuf[2 * i + 1];
         count++;
         qsort(rankmap, count, 2 * sizeof(int), &smpi_compare_rankmap);
-        group_out = new simgrid::SMPI::Group(count);
+        group_out = new simgrid::smpi::Group(count);
         if (i == 0) {
           group_root = group_out; /* Save root's group */
         }
@@ -251,7 +249,7 @@ MPI_Comm Comm::split(int color, int key)
         int reqs              = 0;
         for (int j = 0; j < count; j++) {
           if(rankmap[2 * j] != 0) {
-            group_snd[reqs]=new simgrid::SMPI::Group(group_out);
+            group_snd[reqs]=new simgrid::smpi::Group(group_out);
             requests[reqs] = smpi_mpi_isend(&(group_snd[reqs]), 1, MPI_PTR, rankmap[2 * j], system_tag, this);
             reqs++;
           }
@@ -272,12 +270,12 @@ MPI_Comm Comm::split(int color, int key)
       smpi_mpi_recv(&group_out, 1, MPI_PTR, 0, system_tag, this, MPI_STATUS_IGNORE);
     } /* otherwise, exit with group_out == nullptr */
   }
-  return group_out!=nullptr ? new simgrid::SMPI::Comm(group_out, nullptr) : MPI_COMM_NULL;
+  return group_out!=nullptr ? new simgrid::smpi::Comm(group_out, nullptr) : MPI_COMM_NULL;
 }
 
 void Comm::use(){
   if (this == MPI_COMM_UNINITIALIZED)
-    return smpi_process_comm_world()->use();
+    smpi_process_comm_world()->use();
   m_group->use();
   m_refcount++;
 }
@@ -310,7 +308,7 @@ void Comm::cleanup_smp(){
 
 void Comm::unuse(){
   if (this == MPI_COMM_UNINITIALIZED)
-    return smpi_process_comm_world()->unuse();
+    smpi_process_comm_world()->unuse();
   m_refcount--;
   m_group->unuse();
 
@@ -333,7 +331,7 @@ void Comm::init_smp(){
   int leader = -1;
 
   if (this == MPI_COMM_UNINITIALIZED)
-    return smpi_process_comm_world()->init_smp();
+    smpi_process_comm_world()->init_smp();
 
   int comm_size = this->size();
   
@@ -367,7 +365,7 @@ void Comm::init_smp(){
     }
   }
   XBT_DEBUG("number of processes deployed on my node : %d", intra_comm_size);
-  MPI_Group group_intra = new simgrid::SMPI::Group(intra_comm_size);
+  MPI_Group group_intra = new simgrid::smpi::Group(intra_comm_size);
   i=0;
   process = nullptr;
   xbt_swag_foreach(process, process_list) {
@@ -378,7 +376,7 @@ void Comm::init_smp(){
     }
   }
 
-  MPI_Comm comm_intra = new simgrid::SMPI::Comm(group_intra, nullptr);
+  MPI_Comm comm_intra = new simgrid::smpi::Comm(group_intra, nullptr);
   leader=min_index;
 
   int * leaders_map= static_cast<int*>(xbt_malloc0(sizeof(int)*comm_size));
@@ -414,14 +412,14 @@ void Comm::init_smp(){
   }
   qsort(leader_list, leader_group_size, sizeof(int),compare_ints);
 
-  MPI_Group leaders_group = new simgrid::SMPI::Group(leader_group_size);
+  MPI_Group leaders_group = new simgrid::smpi::Group(leader_group_size);
 
   MPI_Comm leader_comm = MPI_COMM_NULL;
   if(MPI_COMM_WORLD!=MPI_COMM_UNINITIALIZED && this!=MPI_COMM_WORLD){
     //create leader_communicator
     for (i=0; i< leader_group_size;i++)
       leaders_group->set_mapping(leader_list[i], i);
-    leader_comm = new simgrid::SMPI::Comm(leaders_group, nullptr);
+    leader_comm = new simgrid::smpi::Comm(leaders_group, nullptr);
     this->set_leaders_comm(leader_comm);
     this->set_intra_comm(comm_intra);
 
@@ -431,7 +429,7 @@ void Comm::init_smp(){
       leaders_group->set_mapping(leader_list[i], i);
 
     if(this->get_leaders_comm()==MPI_COMM_NULL){
-      leader_comm = new simgrid::SMPI::Comm(leaders_group, nullptr);
+      leader_comm = new simgrid::smpi::Comm(leaders_group, nullptr);
       this->set_leaders_comm(leader_comm);
     }else{
       leader_comm=this->get_leaders_comm();
diff --git a/src/smpi/smpi_comm.hpp b/src/smpi/smpi_comm.hpp
index e8773ecd4c..42444058e5 100644
--- a/src/smpi/smpi_comm.hpp
+++ b/src/smpi/smpi_comm.hpp
@@ -10,7 +10,7 @@
 #include "private.h"
 
 namespace simgrid{
-namespace SMPI{
+namespace smpi{
 
 class Comm {
 
diff --git a/src/smpi/smpi_deployment.cpp b/src/smpi/smpi_deployment.cpp
index d854e78f45..f652e42a24 100644
--- a/src/smpi/smpi_deployment.cpp
+++ b/src/smpi/smpi_deployment.cpp
@@ -69,8 +69,8 @@ void smpi_deployment_register_process(const char* instance_id, int rank, int ind
   xbt_assert(instance, "Error, unknown instance %s", instance_id);
 
   if(instance->comm_world == MPI_COMM_NULL){
-    MPI_Group group = new simgrid::SMPI::Group(instance->size);
-    instance->comm_world = new simgrid::SMPI::Comm(group, nullptr);
+    MPI_Group group = new simgrid::smpi::Group(instance->size);
+    instance->comm_world = new simgrid::smpi::Comm(group, nullptr);
   }
   instance->present_processes++;
   index_to_process_data[index]=instance->index+rank;
diff --git a/src/smpi/smpi_global.cpp b/src/smpi/smpi_global.cpp
index 6dffca85ab..4190569e45 100644
--- a/src/smpi/smpi_global.cpp
+++ b/src/smpi/smpi_global.cpp
@@ -352,8 +352,8 @@ MPI_Comm smpi_process_comm_self()
 {
   smpi_process_data_t data = smpi_process_data();
   if(data->comm_self==MPI_COMM_NULL){
-    MPI_Group group = new simgrid::SMPI::Group(1);
-    data->comm_self = new simgrid::SMPI::Comm(group, nullptr);
+    MPI_Group group = new simgrid::smpi::Group(1);
+    data->comm_self = new simgrid::smpi::Comm(group, nullptr);
     group->set_mapping(smpi_process_index(), 0);
   }
 
@@ -604,8 +604,8 @@ void smpi_global_init()
   //if the process was launched through smpirun script we generate a global mpi_comm_world
   //if not, we let MPI_COMM_NULL, and the comm world will be private to each mpi instance
   if(smpirun){
-    group = new simgrid::SMPI::Group(process_count);
-    MPI_COMM_WORLD = new simgrid::SMPI::Comm(group, nullptr);
+    group = new simgrid::smpi::Group(process_count);
+    MPI_COMM_WORLD = new simgrid::smpi::Comm(group, nullptr);
     MPI_Attr_put(MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, reinterpret_cast<void *>(process_count));
     msg_bar_t bar = MSG_barrier_init(process_count);
 
diff --git a/src/smpi/smpi_group.cpp b/src/smpi/smpi_group.cpp
index 1d2619d3ef..8d22f492c3 100644
--- a/src/smpi/smpi_group.cpp
+++ b/src/smpi/smpi_group.cpp
@@ -7,11 +7,11 @@
 #include "private.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_group, smpi, "Logging specific to SMPI (group)");
-simgrid::SMPI::Group mpi_MPI_GROUP_EMPTY;
+simgrid::smpi::Group mpi_MPI_GROUP_EMPTY;
 MPI_Group MPI_GROUP_EMPTY=&mpi_MPI_GROUP_EMPTY;
 
 namespace simgrid{
-namespace SMPI{
+namespace smpi{
 
 Group::Group()
 {
@@ -21,11 +21,9 @@ Group::Group()
   m_refcount=1;                            /* m_refcount: start > 0 so that this group never gets freed */
 }
 
-Group::Group(int n)
+Group::Group(int n) : m_size(n)
 {
   int i;
-
-  m_size = n;
   m_rank_to_index_map = xbt_new(int, m_size);
   m_index_to_rank_map = xbt_dict_new_homogeneous(xbt_free_f);
   m_refcount = 1;
@@ -138,7 +136,10 @@ int Group::size()
 int Group::compare(MPI_Group group2)
 {
   int result;
-  int i, index, rank, sz;
+  int i;
+  int index;
+  int rank;
+  int sz;
 
   result = MPI_IDENT;
   if (m_size != group2->size()) {
@@ -162,7 +163,8 @@ int Group::compare(MPI_Group group2)
 
 int Group::incl(int n, int* ranks, MPI_Group* newgroup)
 {
-  int i=0, index=0;
+  int i=0;
+  int index=0;
   if (n == 0) {
     *newgroup = MPI_GROUP_EMPTY;
   } else if (n == m_size) {
@@ -195,7 +197,7 @@ int Group::group_union(MPI_Group group2, MPI_Group* newgroup)
   if (size1 == 0) {
     *newgroup = MPI_GROUP_EMPTY;
   } else {
-    *newgroup = new simgrid::SMPI::Group(size1);
+    *newgroup = new simgrid::smpi::Group(size1);
     size2 = this->size();
     for (int i = 0; i < size2; i++) {
       int proc1 = this->index(i);
@@ -222,7 +224,7 @@ int Group::intersection(MPI_Group group2, MPI_Group* newgroup)
   if (size2 == 0) {
     *newgroup = MPI_GROUP_EMPTY;
   } else {
-    *newgroup = new simgrid::SMPI::Group(size2);
+    *newgroup = new simgrid::smpi::Group(size2);
     int j=0;
     for (int i = 0; i < group2->size(); i++) {
       int proc2 = group2->index(i);
@@ -250,7 +252,7 @@ int Group::difference(MPI_Group group2, MPI_Group* newgroup)
   if (newsize == 0) {
     *newgroup = MPI_GROUP_EMPTY;
   } else {
-    *newgroup = new simgrid::SMPI::Group(newsize);
+    *newgroup = new simgrid::smpi::Group(newsize);
     for (int i = 0; i < size2; i++) {
       int proc1 = this->index(i);
       int proc2 = group2->rank(proc1);
@@ -265,7 +267,7 @@ int Group::difference(MPI_Group group2, MPI_Group* newgroup)
 int Group::excl(int n, int *ranks, MPI_Group * newgroup){
   int oldsize = m_size;
   int newsize = oldsize - n;
-  *newgroup = new simgrid::SMPI::Group(newsize);
+  *newgroup = new simgrid::smpi::Group(newsize);
   int* to_exclude=xbt_new0(int, m_size);
   for (int i     = 0; i < oldsize; i++)
     to_exclude[i]=0;
@@ -304,7 +306,7 @@ int Group::range_incl(int n, int ranges[][3], MPI_Group * newgroup){
       }
     }
   }
-  *newgroup = new simgrid::SMPI::Group(newsize);
+  *newgroup = new simgrid::smpi::Group(newsize);
   int j     = 0;
   for (int i = 0; i < n; i++) {
     for (int rank = ranges[i][0];                    /* First */
@@ -352,7 +354,7 @@ int Group::range_excl(int n, int ranges[][3], MPI_Group * newgroup){
   if (newsize == 0) {
     *newgroup = MPI_GROUP_EMPTY;
   } else {
-    *newgroup = new simgrid::SMPI::Group(newsize);
+    *newgroup = new simgrid::smpi::Group(newsize);
     int newrank = 0;
     int oldrank = 0;
     while (newrank < newsize) {
diff --git a/src/smpi/smpi_group.hpp b/src/smpi/smpi_group.hpp
index 466d7c2f47..cdc736253c 100644
--- a/src/smpi/smpi_group.hpp
+++ b/src/smpi/smpi_group.hpp
@@ -10,7 +10,7 @@
 #include "private.h"
 
 namespace simgrid{
-namespace SMPI{
+namespace smpi{
 
 class Group {
   private:
diff --git a/src/smpi/smpi_pmpi.cpp b/src/smpi/smpi_pmpi.cpp
index 6002014fed..81d520da7a 100644
--- a/src/smpi/smpi_pmpi.cpp
+++ b/src/smpi/smpi_pmpi.cpp
@@ -525,7 +525,7 @@ int PMPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm * newcomm)
     return MPI_SUCCESS;
   }else{
     group->use();
-    *newcomm = new simgrid::SMPI::Comm(group, nullptr);
+    *newcomm = new simgrid::smpi::Comm(group, nullptr);
     return MPI_SUCCESS;
   }
 }
@@ -2306,7 +2306,7 @@ int PMPI_Cart_create(MPI_Comm comm_old, int ndims, int* dims, int* periodic, int
   } else if (ndims < 0 || (ndims > 0 && (dims == nullptr || periodic == nullptr)) || comm_cart == nullptr) {
     return MPI_ERR_ARG;
   } else{
-    new simgrid::SMPI::Cart(comm_old, ndims, dims, periodic, reorder, comm_cart);
+    new simgrid::smpi::Cart(comm_old, ndims, dims, periodic, reorder, comm_cart);
     return MPI_SUCCESS;
   }
 }
@@ -2318,7 +2318,7 @@ int PMPI_Cart_rank(MPI_Comm comm, int* coords, int* rank) {
   if (coords == nullptr) {
     return MPI_ERR_ARG;
   }
-  simgrid::SMPI::Cart* topo = static_cast<simgrid::SMPI::Cart*>(comm->topo());
+  simgrid::smpi::Cart* topo = static_cast<simgrid::smpi::Cart*>(comm->topo());
   if (topo==nullptr) {
     return MPI_ERR_ARG;
   }
@@ -2332,7 +2332,7 @@ int PMPI_Cart_shift(MPI_Comm comm, int direction, int displ, int* source, int* d
   if (source == nullptr || dest == nullptr || direction < 0 ) {
     return MPI_ERR_ARG;
   }
-  simgrid::SMPI::Cart* topo = static_cast<simgrid::SMPI::Cart*>(comm->topo());
+  simgrid::smpi::Cart* topo = static_cast<simgrid::smpi::Cart*>(comm->topo());
   if (topo==nullptr) {
     return MPI_ERR_ARG;
   }
@@ -2352,7 +2352,7 @@ int PMPI_Cart_coords(MPI_Comm comm, int rank, int maxdims, int* coords) {
   if(coords == nullptr) {
     return MPI_ERR_ARG;
   }
-  simgrid::SMPI::Cart* topo = static_cast<simgrid::SMPI::Cart*>(comm->topo());
+  simgrid::smpi::Cart* topo = static_cast<simgrid::smpi::Cart*>(comm->topo());
   if (topo==nullptr) {
     return MPI_ERR_ARG;
   }
@@ -2366,7 +2366,7 @@ int PMPI_Cart_get(MPI_Comm comm, int maxdims, int* dims, int* periods, int* coor
   if(maxdims <= 0 || dims == nullptr || periods == nullptr || coords == nullptr) {
     return MPI_ERR_ARG;
   }
-  simgrid::SMPI::Cart* topo = static_cast<simgrid::SMPI::Cart*>(comm->topo());
+  simgrid::smpi::Cart* topo = static_cast<simgrid::smpi::Cart*>(comm->topo());
   if (topo==nullptr) {
     return MPI_ERR_ARG;
   }
@@ -2380,7 +2380,7 @@ int PMPI_Cartdim_get(MPI_Comm comm, int* ndims) {
   if (ndims == nullptr) {
     return MPI_ERR_ARG;
   }
-  simgrid::SMPI::Cart* topo = static_cast<simgrid::SMPI::Cart*>(comm->topo());
+  simgrid::smpi::Cart* topo = static_cast<simgrid::smpi::Cart*>(comm->topo());
   if (topo==nullptr) {
     return MPI_ERR_ARG;
   }
@@ -2394,7 +2394,7 @@ int PMPI_Dims_create(int nnodes, int ndims, int* dims) {
   if (ndims < 1 || nnodes < 1) {
     return MPI_ERR_DIMS;
   }
-  return simgrid::SMPI::Dims_create(nnodes, ndims, dims);
+  return simgrid::smpi::Dims_create(nnodes, ndims, dims);
 }
 
 int PMPI_Cart_sub(MPI_Comm comm, int* remain_dims, MPI_Comm* comm_new) {
@@ -2404,11 +2404,11 @@ int PMPI_Cart_sub(MPI_Comm comm, int* remain_dims, MPI_Comm* comm_new) {
   if (comm_new == nullptr) {
     return MPI_ERR_ARG;
   }
-  simgrid::SMPI::Cart* topo = static_cast<simgrid::SMPI::Cart*>(comm->topo());
+  simgrid::smpi::Cart* topo = static_cast<simgrid::smpi::Cart*>(comm->topo());
   if (topo==nullptr) {
     return MPI_ERR_ARG;
   }
-  simgrid::SMPI::Cart* cart = topo->sub(remain_dims, comm_new);
+  simgrid::smpi::Cart* cart = topo->sub(remain_dims, comm_new);
   if(cart==nullptr)
     return  MPI_ERR_ARG;
   return MPI_SUCCESS;
diff --git a/src/smpi/smpi_topo.cpp b/src/smpi/smpi_topo.cpp
index 39a1a62da3..34189dcb61 100644
--- a/src/smpi/smpi_topo.cpp
+++ b/src/smpi/smpi_topo.cpp
@@ -16,7 +16,7 @@ static int getfactors(int num, int *nfators, int **factors);
 
 
 namespace simgrid{
-namespace SMPI{
+namespace smpi{
 
 
 Graph::~Graph() 
@@ -71,7 +71,7 @@ Cart::Cart(MPI_Comm comm_old, int ndims, int dims[], int periods[], int reorder,
       return;
     }
     oldGroup = comm_old->group();
-    newGroup = new simgrid::SMPI::Group(newSize);
+    newGroup = new simgrid::smpi::Group(newSize);
     for (int i = 0 ; i < newSize ; i++) {
       newGroup->set_mapping(oldGroup->index(i), i);
     }
@@ -89,10 +89,10 @@ Cart::Cart(MPI_Comm comm_old, int ndims, int dims[], int periods[], int reorder,
       rank = rank % nranks;
     }
 
-    *comm_cart = new simgrid::SMPI::Comm(newGroup, this);
+    *comm_cart = new simgrid::smpi::Comm(newGroup, this);
   } else {
     if (rank == 0) {
-      *comm_cart = new simgrid::SMPI::Comm(new simgrid::SMPI::Group(MPI_COMM_SELF->group()), this);
+      *comm_cart = new simgrid::smpi::Comm(new simgrid::smpi::Group(MPI_COMM_SELF->group()), this);
     } else {
       *comm_cart = MPI_COMM_NULL;
     }
diff --git a/src/smpi/smpi_topo.hpp b/src/smpi/smpi_topo.hpp
index 6fadde1355..ab16147fde 100644
--- a/src/smpi/smpi_topo.hpp
+++ b/src/smpi/smpi_topo.hpp
@@ -11,7 +11,7 @@
 
 
 namespace simgrid{
-namespace SMPI{
+namespace smpi{
 
 class Topo {
   protected:
-- 
2.20.1