From a2deada5727e685695568af5bef0ab6ab7dfe37b Mon Sep 17 00:00:00 2001
From: Hrvoje Jasak <h.jasak@wikki.co.uk>
Date: Fri, 26 May 2017 11:45:40 +0100
Subject: [PATCH] Update fv SAMG interfaces

---
 .../constraint/processor/processorFvPatch.C   | 21 ++++++++-----------
 .../constraint/processor/processorFvPatch.H   |  3 +--
 2 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C
index a0041ed22..851ae5fb1 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C
@@ -178,29 +178,26 @@ tmp<labelField> processorFvPatch::internalFieldTransfer
 void processorFvPatch::initProlongationTransfer
 (
     const Pstream::commsTypes commsType,
-    const crMatrix& P
+    const crMatrix& filteredP
 ) const
 {
-    // Select the part of the prolongation matrix to send
-
-    // Send prolongation matrix
-    Pout<< "HJ, in send for processorFvPatch" << endl;
+    // Send prolongation matrix, using IOstream operators
+    OPstream toNbr(Pstream::blocking, neighbProcNo());
+    toNbr<< filteredP;
 }
 
 
-tmp<crMatrix> processorFvPatch::prolongationTransfer
+autoPtr<crMatrix> processorFvPatch::prolongationTransfer
 (
     const Pstream::commsTypes commsType,
-    const crMatrix& P
+    const crMatrix& filteredP
 ) const
 {
-    // Receive and return prolongation matrix
-    Pout<< "HJ, in receive for processorFvPatch" << endl;
+    IPstream fromNbr(Pstream::blocking, neighbProcNo());
 
-    // Dummy
-    tmp<crMatrix> tcr(new crMatrix(5, 5, labelList(5)));
+    autoPtr<crMatrix> tnbrP(new crMatrix(fromNbr));
 
-    return tcr;
+    return tnbrP;
 }
 
 
diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.H b/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.H
index f3b724550..2172da00f 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.H
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.H
@@ -195,12 +195,11 @@ public:
 
             //- Transfer and return prolongation matrix adjacent to
             //  the interface
-            virtual tmp<crMatrix> prolongationTransfer
+            virtual autoPtr<crMatrix> prolongationTransfer
             (
                 const Pstream::commsTypes commsType,
                 const crMatrix& iF
             ) const;
-
 };