From: David Wells <drwells@email.unc.edu>
Date: Mon, 15 Feb 2021 03:26:29 +0000 (-0500)
Subject: Add some more MPI datatypes.
X-Git-Tag: v9.3.0-rc1~450^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F11753%2Fhead;p=dealii.git

Add some more MPI datatypes.

These were all in MPI-2.
---

diff --git a/include/deal.II/base/mpi.templates.h b/include/deal.II/base/mpi.templates.h
index e429a076b4..0828261295 100644
--- a/include/deal.II/base/mpi.templates.h
+++ b/include/deal.II/base/mpi.templates.h
@@ -43,6 +43,30 @@ namespace Utilities
       /**
        * Return the corresponding MPI data type id for the argument given.
        */
+      inline MPI_Datatype
+      mpi_type_id(const char *)
+      {
+        return MPI_CHAR;
+      }
+
+
+
+      inline MPI_Datatype
+      mpi_type_id(const signed char *)
+      {
+        return MPI_SIGNED_CHAR;
+      }
+
+
+
+      inline MPI_Datatype
+      mpi_type_id(const short *)
+      {
+        return MPI_SHORT;
+      }
+
+
+
       inline MPI_Datatype
       mpi_type_id(const int *)
       {
@@ -59,6 +83,22 @@ namespace Utilities
 
 
 
+      inline MPI_Datatype
+      mpi_type_id(const unsigned char *)
+      {
+        return MPI_UNSIGNED_CHAR;
+      }
+
+
+
+      inline MPI_Datatype
+      mpi_type_id(const unsigned short *)
+      {
+        return MPI_UNSIGNED_SHORT;
+      }
+
+
+
       inline MPI_Datatype
       mpi_type_id(const unsigned int *)
       {