diff --git a/Matlab_3D/validation.m b/Matlab_3D/validation.m
index aba2418..4c45605 100644
--- a/Matlab_3D/validation.m
+++ b/Matlab_3D/validation.m
@@ -14,9 +14,9 @@ vote=7;
 std = [5 5];
 gt_filename = 'gt-128.vol';  
 % out_filename = sprintf('128-128-128/0-nissl-std%d.%d-t0%d-r%d.%d-t%d-out%d.%d.vol',std(1), std(2),t0,r1,r2,t,itr,vote);
-out_filename = sprintf('E:/build/ivote3-bld/0-out.%d.vol',t);
+out_filename = sprintf('D:/build/ivote3-bld/0-out.%d.vol',t);
 % txt_filename = sprintf('128-128-128/0-validation-nissl-std%d.%d-r%d.%d-t%d-out%d.%d-D%d.txt',std(1), std(2),r1,r2,t,itr,vote,D);
-txt_filename = sprintf('E:/build/ivote3-bld/0-t%d-atomic-aabb.txt',t);
+txt_filename = sprintf('D:/build/ivote3-bld/0-t%d-atomic-aabb.txt',t);
 spec = sprintf('Nissl-std%d.%d-r%d.%d-t%d-out%d.%d',std(1), std(2),r1,r2,t,itr,vote);
 fid0 = fopen(gt_filename);
 gt = fread(fid0,[X Y*Z], 'single');
diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 8a5a3a0..d35d37b 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -55,6 +55,6 @@ target_link_libraries(ivote3
 		  )
 
 #copy an image test case
-configure_file(nissl-raw-data/nissl-float-256.256.256.vol ${CMAKE_CURRENT_BINARY_DIR}/nissl-float-256.256.256.vol @ONLY)
-configure_file(nissl-raw-data/nissl-float-128.128.128.vol ${CMAKE_CURRENT_BINARY_DIR}/nissl-float-128.128.128.vol @ONLY)
-configure_file(nissl-raw-data/nissl-float-64.64.64.vol ${CMAKE_CURRENT_BINARY_DIR}/nissl-float-64.64.64.vol @ONLY)
+configure_file(nissl-raw-data/nissl-float-256.256.256.vol nissl-float-256.256.256.vol COPYONLY)
+configure_file(nissl-raw-data/nissl-float-128.128.128.vol nissl-float-128.128.128.vol COPYONLY)
+configure_file(nissl-raw-data/nissl-float-64.64.64.vol nissl-float-64.64.64.vol COPYONLY)
diff --git a/cpp/cudafunc.cu b/cpp/cudafunc.cu
index 8ecbe66..a7786d5 100644
--- a/cpp/cudafunc.cu
+++ b/cpp/cudafunc.cu
@@ -18,7 +18,7 @@ void ivote3(float* img, float sigma[], float anisotropy, float phi, float d_phi,
 			int iter, float t, unsigned int conn[], unsigned int x, unsigned int y, unsigned int z){
 
 	
-	cudaSetDevice(1);
+	cudaSetDevice(0);
 	
 	unsigned int bytes = x * y * z * sizeof(float);				// compute the number of bytes in the input data
 
@@ -79,7 +79,7 @@ void ivote3(float* img, float sigma[], float anisotropy, float phi, float d_phi,
 void lmax(float* out, float* in, float t, unsigned int conn[], unsigned int x, unsigned int y, unsigned int z){
 	unsigned int bytes = x * y * z * sizeof(float);
 
-	cudaSetDevice(1);
+	cudaSetDevice(0);
 
 	
 	float* gpuV;					//assign memory on gpu for the input data.
--
libgit2 0.21.4