Fix CUDA 9.0 compiler error

Thomas Grützmacher · Thomas Grützmacher · commit 24c758ca13f2 · 2021-01-24T19:31:28.000+01:00
diff --git a/common/solver/cb_gmres_kernels.hpp.inc b/common/solver/cb_gmres_kernels.hpp.inc
@@ -88,8 +88,10 @@ __global__ __launch_bounds__(block_size) void initialize_2_1_kernel(
     size_type stride_residual_nc)
 {
     const auto global_id = thread::get_thread_id_flat();
-    const auto krylov_stride =
+    const auto krylov_stride_ar =
         helper_functions_accessor<Accessor3d>::get_stride(krylov_bases);
+    const auto krylov_stride =
+        reinterpret_cast<const size_type(&)[2]>(krylov_stride_ar);
     // krylov indices
     const auto krylov_idx = global_id / krylov_stride[0];
     const auto reminder = global_id % krylov_stride[0];
@@ -122,8 +124,10 @@ __global__ __launch_bounds__(block_size) void initialize_2_2_kernel(
     size_type *__restrict__ final_iter_nums)
 {
     const auto global_id = thread::get_thread_id_flat();
-    const auto krylov_stride =
+    const auto krylov_stride_ar =
         helper_functions_accessor<Accessor3d>::get_stride(krylov_bases);
+    const auto krylov_stride =
+        reinterpret_cast<const size_type(&)[2]>(krylov_stride_ar);
     const auto row_idx = global_id / krylov_stride[1];
     const auto col_idx = global_id % krylov_stride[1];
 
@@ -728,8 +732,10 @@ __global__
     // CAREFUL: krylov_bases changes might not be done properly since this
     //          kernel is currently not used!
     const auto global_id = thread::get_thread_id_flat();
-    const auto krylov_stride =
+    const auto krylov_stride_ar =
         helper_functions_accessor<Accessor3d>::get_stride(krylov_bases);
+    const auto krylov_stride =
+        reinterpret_cast<const size_type(&)[2]>(krylov_stride_ar);
     const auto k = global_id / krylov_stride[0];
     const auto reminder = global_id / krylov_stride[0];
     const auto row_idx = reminder / krylov_stride[1];
@@ -1323,8 +1329,10 @@ __global__ __launch_bounds__(block_size) void set_scale_kernel(
     static_assert(!is_complex_s<RealValueType>::value,
                   "ValueType must not be complex!");
     const auto global_id = thread::get_thread_id_flat();
-    const auto krylov_stride =
+    const auto krylov_stride_ar =
         helper_functions_accessor<Accessor3d>::get_stride(krylov_bases);
+    const auto krylov_stride =
+        reinterpret_cast<const size_type(&)[2]>(krylov_stride_ar);
     const auto blk_idx = global_id / krylov_stride[1];
     const auto col_idx = global_id % krylov_stride[1];
 
