From: Daniel Arndt <daniel.arndt@iwr.uni-heidelberg.de>
Date: Thu, 6 Sep 2018 07:39:49 +0000 (+0200)
Subject: Avoid some warnings compiling with CUDA support
X-Git-Tag: v9.1.0-rc1~751^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4fbfb32dff3c192f983a30e523909eaea21736a;p=dealii.git

Avoid some warnings compiling with CUDA support
---

diff --git a/include/deal.II/lac/la_parallel_vector.templates.h b/include/deal.II/lac/la_parallel_vector.templates.h
index 8f73c8d486..6b297418e2 100644
--- a/include/deal.II/lac/la_parallel_vector.templates.h
+++ b/include/deal.II/lac/la_parallel_vector.templates.h
@@ -1744,7 +1744,7 @@ namespace LinearAlgebra
     typename Vector<Number, MemorySpace>::real_type
     Vector<Number, MemorySpace>::lp_norm_local(const real_type p) const
     {
-      real_type sum;
+      real_type sum = 0.;
 
       dealii::internal::VectorOperations::
         functions<Number, Number, MemorySpace>::norm_p(
diff --git a/source/lac/cuda_precondition.cu b/source/lac/cuda_precondition.cu
index 01343ce43b..8573fbb16e 100644
--- a/source/lac/cuda_precondition.cu
+++ b/source/lac/cuda_precondition.cu
@@ -1210,13 +1210,12 @@ namespace CUDAWrappers
     , n_rows(0)
     , n_nonzero_elements(0)
   {
-    cusparseStatus_t status;
     // step 1: create a descriptor which contains
     // - matrix M is base-0
     // - matrix L is base-0
     // - matrix L is lower triangular
     // - matrix L has non-unit diagonal
-    status = cusparseCreateMatDescr(&descr_M);
+    cusparseStatus_t status = cusparseCreateMatDescr(&descr_M);
     AssertCusparse(status);
     status = cusparseSetMatIndexBase(descr_M, CUSPARSE_INDEX_BASE_ZERO);
     AssertCusparse(status);
@@ -1515,7 +1514,6 @@ namespace CUDAWrappers
     , n_rows(0)
     , n_nonzero_elements(0)
   {
-    cusparseStatus_t status;
     // step 1: create a descriptor which contains
     // - matrix M is base-0
     // - matrix L is base-0
@@ -1524,7 +1522,7 @@ namespace CUDAWrappers
     // - matrix U is base-0
     // - matrix U is upper triangular
     // - matrix U has non-unit diagonal
-    status = cusparseCreateMatDescr(&descr_M);
+    cusparseStatus_t status = cusparseCreateMatDescr(&descr_M);
     AssertCusparse(status);
     status = cusparseSetMatIndexBase(descr_M, CUSPARSE_INDEX_BASE_ZERO);
     AssertCusparse(status);