From 51f7d5e242252c9639aaa2375f8192237f59ae7d Mon Sep 17 00:00:00 2001
From: M Clark <mclark@nvidia.com>
Date: Thu, 14 May 2015 22:40:15 -0700
Subject: [PATCH] When doing full-field fermions, the odd-field ghost pointers
 need to be updated after the subsets have been created.  This should fix
 #231.

---
 lib/cuda_color_spinor_field.cu | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lib/cuda_color_spinor_field.cu b/lib/cuda_color_spinor_field.cu
index 3e1bdb1581..846cee613d 100644
--- a/lib/cuda_color_spinor_field.cu
+++ b/lib/cuda_color_spinor_field.cu
@@ -217,11 +217,21 @@ namespace quda {
       even = new cudaColorSpinorField(*this, param);
       odd = new cudaColorSpinorField(*this, param);
 
-      // need this hackery for the moment (need to locate the odd pointer half way into the full field)
+      // need this hackery for the moment (need to locate the odd pointers half way into the full field)
       (dynamic_cast<cudaColorSpinorField*>(odd))->v = (void*)((char*)v + bytes/2);
       if (precision == QUDA_HALF_PRECISION) 
 	(dynamic_cast<cudaColorSpinorField*>(odd))->norm = (void*)((char*)norm + norm_bytes/2);
 
+      for(int i=0; i<nDim; ++i){
+        if(commDimPartitioned(i)){
+          (dynamic_cast<cudaColorSpinorField*>(odd))->ghost[i] =
+	    static_cast<char*>((dynamic_cast<cudaColorSpinorField*>(odd))->ghost[i]) + bytes/2;
+          if(precision == QUDA_HALF_PRECISION)
+	    (dynamic_cast<cudaColorSpinorField*>(odd))->ghostNorm[i] =
+	      static_cast<char*>((dynamic_cast<cudaColorSpinorField*>(odd))->ghostNorm[i]) + norm_bytes/2;
+        }
+      }
+
 #ifdef USE_TEXTURE_OBJECTS
       dynamic_cast<cudaColorSpinorField*>(even)->destroyTexObject();
       dynamic_cast<cudaColorSpinorField*>(even)->createTexObject();