From 67f5076fa39e9170c67bf7319f262373a8177cee Mon Sep 17 00:00:00 2001
From: Rex Zhe Li <zhe.rex.li@gmail.com>
Date: Fri, 17 Apr 2020 16:32:09 -0400
Subject: [PATCH] fix bug in recvGrad

---
 common/ScaLBL.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/ScaLBL.cpp b/common/ScaLBL.cpp
index 6f2966e7..4c187f0e 100644
--- a/common/ScaLBL.cpp
+++ b/common/ScaLBL.cpp
@@ -1068,6 +1068,7 @@ void ScaLBL_Communicator::RecvGrad(double *phi, double *grad){
 	ScaLBL_Gradient_Unpack(1.0,-1,0,0,dvcRecvDist_x,0,recvCount_x,recvbuf_x,phi,grad,N);
 	ScaLBL_Gradient_Unpack(0.5,-1,-1,0,dvcRecvDist_x,recvCount_x,recvCount_x,recvbuf_x,phi,grad,N);
 	ScaLBL_Gradient_Unpack(0.5,-1,1,0,dvcRecvDist_x,2*recvCount_x,recvCount_x,recvbuf_x,phi,grad,N);
+	ScaLBL_Gradient_Unpack(0.5,-1,0,-1,dvcRecvDist_x,3*recvCount_x,recvCount_x,recvbuf_x,phi,grad,N);
 	ScaLBL_Gradient_Unpack(0.5,-1,0,1,dvcRecvDist_x,4*recvCount_x,recvCount_x,recvbuf_x,phi,grad,N);
 	//...................................................................................
 	//...Packing for X face(1,7,9,11,13)................................