From 7347d1d42059ba5720ca3af1a0f19272683fd3fc Mon Sep 17 00:00:00 2001
From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Thu, 25 Apr 2019 00:54:12 +0200
Subject: [PATCH] Add more assertions

---
 include/deal.II/lac/vector_operations_internal.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/deal.II/lac/vector_operations_internal.h b/include/deal.II/lac/vector_operations_internal.h
index d7ff76dd36..0c43a4aef3 100644
--- a/include/deal.II/lac/vector_operations_internal.h
+++ b/include/deal.II/lac/vector_operations_internal.h
@@ -2389,6 +2389,13 @@ namespace internal
                                                     static_cast<unsigned int>(
                                                       size));
 
+#  ifdef DEBUG
+        // Check that the kernel was launched correctly
+        AssertCuda(cudaGetLastError());
+        // Check that there was no problem during the execution of the kernel
+        AssertCuda(cudaDeviceSynchronize());
+#  endif
+
         // Copy the result back to the host
         Number result;
         error_code = cudaMemcpy(&result,
-- 
2.39.5