From 2032aaabc91d2926d82f39dab609eb0db520f75b Mon Sep 17 00:00:00 2001
From: David Wells <drwells@email.unc.edu>
Date: Thu, 20 Dec 2018 15:08:49 -0500
Subject: [PATCH] Fix 64bit compilation with CUDA.

The ReinitHelper::constraint_mask_host array should always contain
unsigned integers since it is only used to provide arguments for
HangingNodes::setup_constraints, which expects an unsigned integer.
---
 include/deal.II/matrix_free/cuda_matrix_free.templates.h | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/include/deal.II/matrix_free/cuda_matrix_free.templates.h b/include/deal.II/matrix_free/cuda_matrix_free.templates.h
index 001d5fa0ce..ae7f7666a7 100644
--- a/include/deal.II/matrix_free/cuda_matrix_free.templates.h
+++ b/include/deal.II/matrix_free/cuda_matrix_free.templates.h
@@ -406,11 +406,10 @@ namespace CUDAWrappers
                          n_cells * dim * dim * padding_length);
         }
 
-      alloc_and_copy(
-        &data->constraint_mask[color],
-        ArrayView<const types::global_dof_index>(constraint_mask_host.data(),
-                                                 constraint_mask_host.size()),
-        n_cells);
+      alloc_and_copy(&data->constraint_mask[color],
+                     ArrayView<const unsigned int>(constraint_mask_host.data(),
+                                                   constraint_mask_host.size()),
+                     n_cells);
     }
 
 
-- 
2.39.5