fixes tests

Author: MarcelKoch

core/matrix/dense.cpp

@@ -1169,7 +1169,7 @@ void row_scatter_impl(const IndexContainer* row_idxs,
     GKO_ASSERT_EQUAL_DIMENSIONS(expected_dim, orig);
     GKO_ASSERT_EQUAL_COLS(orig, target);
 
-    bool invalid_access;
+    bool invalid_access = false;
 
     exec->run(dense::make_row_scatter(
         make_temporary_clone(exec, row_idxs).get(), orig,

dpcpp/matrix/dense_kernels.dp.cpp

@@ -654,7 +654,7 @@ void row_scatter(std::shared_ptr<const DefaultExecutor> exec,
                  const matrix::Dense<ValueType>* orig,
                  matrix::Dense<OutputType>* target, bool& invalid_access)
 {
-    array<bool> invalid_access_arr;
+    array<bool> invalid_access_arr{exec, {false}};
 
     kernel::row_scatter_impl(exec, row_idxs, orig, target,
                              invalid_access_arr.get_data());

include/ginkgo/core/matrix/dense.hpp

@@ -546,7 +546,7 @@ class Dense
     /**
      * Copies this matrix into the given rows of the target matrix.
      *
-     * @tparam IndexType  the index type, either int32 or int 64
+     * @tparam IndexType  the index type, either int32 or int64
      *
      * @param scatter_indices  row indices of the target matrix. It must
      *                         have the same number of indices as rows in
@@ -566,7 +566,7 @@ class Dense
     /**
      * Copies this matrix into the given rows of the target matrix.
      *
-     * @tparam IndexType  the index type, either int32 or int 64
+     * @tparam IndexType  the index type, either int32 or int64
      *
      * @param scatter_indices  row indices of the target matrix. It must
      *                         have the same number of indices as rows in

test/matrix/dense_kernels.cpp

@@ -161,7 +161,7 @@ class Dense : public CommonTestFixture {
         rgather_idxs =
             std::unique_ptr<Arr>(new Arr{ref, tmp3.begin(), tmp3.end()});
         rscatter_idxs = std::unique_ptr<Arr>(
-            new Arr{ref, tmp2.begin(), tmp2.begin() + u->get_size()[0]});
+            new Arr{ref, tmp.begin(), tmp.begin() + u->get_size()[0]});
         rscatter_idxs_sub = std::unique_ptr<Arr>(
             new Arr{ref, tmp4.begin(), tmp4.begin() + u->get_size()[0]});
     }