abbreviate namespaces in linalg module sources and headers

Author: ndgrigorian

dpctl_ext/tensor/libtensor/include/kernels/linalg_functions/dot_product.hpp

@@ -47,11 +47,7 @@
 #include "utils/sycl_utils.hpp"
 #include "utils/type_utils.hpp"
 
-namespace dpctl
-{
-namespace tensor
-{
-namespace kernels
+namespace dpctl::tensor::kernels
 {
 
 using dpctl::tensor::ssize_t;
@@ -1402,6 +1398,4 @@ sycl::event
     }
 }
 
-} // namespace kernels
-} // namespace tensor
-} // namespace dpctl
+} // namespace dpctl::tensor::kernels

dpctl_ext/tensor/libtensor/include/kernels/linalg_functions/gemm.hpp

@@ -50,11 +50,7 @@
 #include "utils/sycl_utils.hpp"
 #include "utils/type_utils.hpp"
 
-namespace dpctl
-{
-namespace tensor
-{
-namespace kernels
+namespace dpctl::tensor::kernels
 {
 
 using dpctl::tensor::ssize_t;
@@ -4240,6 +4236,4 @@ sycl::event gemm_contig_tree_impl(sycl::queue &exec_q,
     }
 }
 
-} // namespace kernels
-} // namespace tensor
-} // namespace dpctl
+} // namespace dpctl::tensor::kernels

dpctl_ext/tensor/libtensor/source/linalg_functions/dot.hpp

@@ -37,15 +37,9 @@
 
 namespace py = pybind11;
 
-namespace dpctl
-{
-namespace tensor
-{
-namespace py_internal
+namespace dpctl::tensor::py_internal
 {
 
 extern void init_dot(py::module_ m);
 
-} // namespace py_internal
-} // namespace tensor
-} // namespace dpctl
+} // namespace dpctl::tensor::py_internal

dpctl_ext/tensor/libtensor/source/linalg_functions/dot_atomic_support.hpp

@@ -39,13 +39,7 @@
 #include "reductions/reduction_atomic_support.hpp"
 #include "utils/type_utils.hpp"
 
-namespace dpctl
-{
-namespace tensor
-{
-namespace py_internal
-{
-namespace atomic_support
+namespace dpctl::tensor::py_internal::atomic_support
 {
 
 template <typename fnT, typename T>
@@ -63,7 +57,4 @@ struct DotAtomicSupportFactory
     }
 };
 
-} // namespace atomic_support
-} // namespace py_internal
-} // namespace tensor
-} // namespace dpctl
+} // namespace dpctl::tensor::py_internal::atomic_support

dpctl_ext/tensor/libtensor/source/linalg_functions/dot_dispatch.hpp

@@ -41,11 +41,7 @@
 #include "kernels/linalg_functions/gemm.hpp"
 #include "utils/type_dispatch_building.hpp"
 
-namespace dpctl
-{
-namespace tensor
-{
-namespace py_internal
+namespace dpctl::tensor::py_internal
 {
 
 namespace td_ns = dpctl::tensor::type_dispatch;
@@ -405,6 +401,4 @@ struct DotProductContigNoAtomicFactory
     }
 };
 
-} // namespace py_internal
-} // namespace tensor
-} // namespace dpctl
+} // namespace dpctl::tensor::py_internal