From ac084ac723b5fea313ac373551a5f39367c84a2d Mon Sep 17 00:00:00 2001
From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Wed, 19 Sep 2012 15:24:06 +0200
Subject: [PATCH] add the MPI_Wtick function to smpi to allow compilation with
 IRS benchmark (returns the value of the maxmin/precision parameter)

---
 include/smpi/smpi.h  | 2 +-
 src/smpi/smpi_mpi.c  | 5 +++++
 src/smpi/smpi_pmpi.c | 5 +++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/smpi/smpi.h b/include/smpi/smpi.h
index bba6c24f2a..e9b100c9b6 100644
--- a/include/smpi/smpi.h
+++ b/include/smpi/smpi.h
@@ -162,7 +162,7 @@ MPI_CALL(XBT_PUBLIC(int), MPI_Query_thread, (int *provided));
 MPI_CALL(XBT_PUBLIC(int), MPI_Is_thread_main, (int *flag));
 MPI_CALL(XBT_PUBLIC(int), MPI_Abort, (MPI_Comm comm, int errorcode));
 MPI_CALL(XBT_PUBLIC(double), MPI_Wtime, (void));
-
+MPI_CALL(XBT_PUBLIC(double), MPI_Wtick,(void));
 MPI_CALL(XBT_PUBLIC(int), MPI_Address, (void *location, MPI_Aint * address));
 
 MPI_CALL(XBT_PUBLIC(int), MPI_Type_free, (MPI_Datatype * datatype));
diff --git a/src/smpi/smpi_mpi.c b/src/smpi/smpi_mpi.c
index d86fcd8c18..483bbf5bd1 100644
--- a/src/smpi/smpi_mpi.c
+++ b/src/smpi/smpi_mpi.c
@@ -46,6 +46,11 @@ double MPI_Wtime(void)
   return PMPI_Wtime();
 }
 
+double MPI_Wtick(void)
+{
+  return PMPI_Wtick();
+}
+
 int MPI_Address(void *location, MPI_Aint * address)
 {
   return PMPI_Address(location, address);
diff --git a/src/smpi/smpi_pmpi.c b/src/smpi/smpi_pmpi.c
index 54464cbe65..2f6a8c1158 100644
--- a/src/smpi/smpi_pmpi.c
+++ b/src/smpi/smpi_pmpi.c
@@ -110,6 +110,11 @@ double PMPI_Wtime(void)
   smpi_bench_begin();
   return time;
 }
+extern double sg_maxmin_precision;
+double PMPI_Wtick(void)
+{
+  return sg_maxmin_precision;
+}
 
 int PMPI_Address(void *location, MPI_Aint * address)
 {
-- 
2.20.1