alifahrri · alifahrri · May 12, 2024 · May 1, 2024 · May 1, 2024 · May 1, 2024
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
@@ -46,7 +46,7 @@
 	"build": { 
 		"args": {
             "USERNAME": "${localEnv:USER}",
-            "BASE": "nvidia/cuda:11.8.0-devel-ubuntu22.04"
+            "BASE": "ubuntu:22.04"
         },
         "target": "dev"  
 	},
@@ -66,7 +66,8 @@
 
 	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
 	// "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined", "--env=DISPLAY", "--env=QT_X11_NO_MITSHM=1", "--network=host" ],
-    "runArgs": [ "--privileged=true", "--security-opt", "seccomp=unconfined", "--env=DISPLAY", "--env=QT_X11_NO_MITSHM=1", "--network=host", "--gpus=all", "--device=/dev/dri:/dev/dri"],
+    // "runArgs": [ "--privileged=true", "--security-opt", "seccomp=unconfined", "--env=DISPLAY", "--env=QT_X11_NO_MITSHM=1", "--network=host", "--gpus=all", "--device=/dev/dri:/dev/dri"],
+	"runArgs": [ "--privileged=true", "--security-opt", "seccomp=unconfined", "--network=host"],
 
 	// Uncomment to use the Docker CLI from inside the container. See https://aka.ms/vscode-remote/samples/docker-from-docker.
 	"mounts": [ "source=/tmp/.X11-unix,target=/tmp/.X11-unix,type=bind" ],

diff --git a/.github/workflows/arduino-platformio.yml b/.github/workflows/arduino-platformio.yml
@@ -17,7 +17,9 @@ jobs:
 
     strategy:
       matrix:
-        test: [ufuncs, meta, utl]
+        test: []
+        # TODO: re-enable arduino tests
+        # test: [ufuncs, meta, utl]
         # TODO: re-enable manip & constexpr tests
         # test: [manip, ufuncs, meta, utl, constexpr]
 

diff --git a/.github/workflows/clang.yml b/.github/workflows/clang.yml
@@ -227,10 +227,10 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DCMAKE_TOOLCHAIN_FILE=${PWD}/../../cmake/toolchains/clang.cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON ../.. && make -j2 VERBOSE=1'
+        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DCMAKE_TOOLCHAIN_FILE=${PWD}/../../cmake/toolchains/clang.cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: |
-          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/array/numeric-tests-doctest'
+          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/constexpr/numeric-tests-constexpr-doctest'
 
   dockcross-clang-constexpr-no-stl-generic-ndarray-eval:
     name: ${{ matrix.name }}-constexpr-no-stl-generic-ndarray-eval
@@ -251,10 +251,10 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DCMAKE_TOOLCHAIN_FILE=${PWD}/../../cmake/toolchains/clang.cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON ../.. && make -j2 VERBOSE=1'
+        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DCMAKE_TOOLCHAIN_FILE=${PWD}/../../cmake/toolchains/clang.cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: |
-          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/array/numeric-tests-doctest'
+          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/constexpr/numeric-tests-constexpr-doctest'
 
   dockcross-clang-constexpr-generic-ndarray-eval:
     name: ${{ matrix.name }}-constexpr-generic-ndarray-eval
@@ -275,7 +275,7 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DCMAKE_TOOLCHAIN_FILE=${PWD}/../../cmake/toolchains/clang.cmake -DNMTOOLS_TESTING_CONSTEXPR=ON  -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF ../.. && make -j2 VERBOSE=1'
+        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DCMAKE_TOOLCHAIN_FILE=${PWD}/../../cmake/toolchains/clang.cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON  -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: |
-          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/array/numeric-tests-doctest'
+          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/constexpr/numeric-tests-constexpr-doctest'
diff --git a/.github/workflows/gcc-9.yml b/.github/workflows/gcc-9.yml
@@ -64,7 +64,7 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: mkdir -p build/ && cd build/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON .. && make -j2 VERBOSE=1
+        run: mkdir -p build/ && cd build/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON .. && make -j2 VERBOSE=1
       - name: run tests
         run: |
           build/tests/array/numeric-tests-doctest
@@ -82,7 +82,7 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: mkdir -p build/ && cd build/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF .. && make -j2 VERBOSE=1
+        run: mkdir -p build/ && cd build/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF .. && make -j2 VERBOSE=1
       - name: run tests
         run: |
           build/tests/array/numeric-tests-doctest
@@ -100,7 +100,7 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: mkdir -p build/ && cd build/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON .. && make -j2 VERBOSE=1
+        run: mkdir -p build/ && cd build/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON .. && make -j2 VERBOSE=1
       - name: run tests
         run: |
           build/tests/array/numeric-tests-doctest

diff --git a/.github/workflows/gcc.yml b/.github/workflows/gcc.yml
@@ -232,10 +232,10 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON ../.. && make -j2 VERBOSE=1'
+        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: |
-          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/array/numeric-tests-doctest'
+          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/constexpr/numeric-tests-constexpr-doctest'
 
   dockcross-gcc-constexpr-no-stl-generic-ndarray-eval:
     name: ${{ matrix.name }}-constexpr-no-stl-generic-ndarray-eval
@@ -256,10 +256,10 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON ../.. && make -j2 VERBOSE=1'
+        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: |
-          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/array/numeric-tests-doctest'
+          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/constexpr/numeric-tests-constexpr-doctest'
 
   dockcross-gcc-constexpr-generic-ndarray-eval:
     name: ${{ matrix.name }}-constexpr-generic-ndarray-eval
@@ -280,7 +280,7 @@ jobs:
       - name: setup doctest
         run: bash scripts/download_doctest_header.sh -d include/
       - name: build
-        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON  -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF ../.. && make -j2 VERBOSE=1'
+        run: ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON  -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: |
-          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/array/numeric-tests-doctest'
+          ./dockcross-${{ matrix.name }} bash -c 'build/${{ matrix.name }}/tests/constexpr/numeric-tests-constexpr-doctest'
diff --git a/.github/workflows/web-wasm.yml b/.github/workflows/web-wasm.yml
@@ -195,7 +195,7 @@ jobs:
       - name: build
         run: |
           ./dockcross-${{ matrix.name }} bash -c "emcc -v"
-          ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON ../.. && make -j2 VERBOSE=1'
+          ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: ./dockcross-${{ matrix.name }} node build/${{ matrix.name }}/tests/array/numeric-tests-doctest.js
 
@@ -237,7 +237,7 @@ jobs:
       - name: build
         run: |
           ./dockcross-${{ matrix.name }} bash -c "emcc -v"
-          ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON  -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF ../.. && make -j2 VERBOSE=1'
+          ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON  -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=OFF ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: ./dockcross-${{ matrix.name }} node build/${{ matrix.name }}/tests/array/numeric-tests-doctest.js
 
@@ -278,6 +278,6 @@ jobs:
       - name: build
         run: |
           ./dockcross-${{ matrix.name }} bash -c "emcc -v"
-          ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_TESTING_CONSTEXPR=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON ../.. && make -j2 VERBOSE=1'
+          ./dockcross-${{ matrix.name }} bash -c 'mkdir -p build/${{ matrix.name }} && cd build/${{ matrix.name }}/ && cmake -DNMTOOLS_BUILD_CONSTEXPR_TESTS=ON -DNMTOOLS_BUILD_META_TESTS=OFF -DNMTOOLS_BUILD_UTL_TESTS=OFF -DNMTOOLS_TEST_ALL=OFF -DNMTOOLS_TEST_ARRAY_EVAL=ON -DNMTOOLS_TESTING_GENERIC_NDARRAY=ON -DNMTOOLS_TESTING_NOSTL=ON ../.. && make -j2 VERBOSE=1'
       - name: run tests
         run: ./dockcross-${{ matrix.name }} node build/${{ matrix.name }}/tests/array/numeric-tests-doctest.js
diff --git a/.travis.yml b/.travis.yml
diff --git a/include/nmtools/array/as_static.hpp b/include/nmtools/array/as_static.hpp
@@ -5,7 +5,8 @@
 #include "nmtools/utility/fwd.hpp"
 #include "nmtools/array/shape.hpp"
 #include "nmtools/utility/forward.hpp"
-#include "nmtools/array/ndarray.hpp" // for nmtools_static_vector
+// #include "nmtools/array/ndarray.hpp" // for nmtools_static_vector
+#include "nmtools/utl/static_vector.hpp"
 
 namespace nmtools::array
 {
@@ -20,7 +21,7 @@ namespace nmtools::array
         {
             if constexpr (meta::is_dynamic_index_array_v<attribute_type>) {
                 using element_type = meta::get_element_type_t<attribute_t>;
-                using result_type  = nmtools_static_vector<element_type,max_dim>;
+                using result_type  = utl::static_vector<element_type,max_dim>;
                 auto result = result_type{};
                 result.resize(attribute.size());
                 for (size_t i=0; i<len(result); i++) {

diff --git a/include/nmtools/array/eval/kernel_helper.hpp b/include/nmtools/array/eval/kernel_helper.hpp
@@ -120,22 +120,12 @@ namespace nmtools::array
         return array;
     }
 
-    template <typename type, typename shape_type>
-    nmtools_func_attribute
-    auto create_mutable_array(type* data_ptr, const shape_type& shape)
-    {
-        const auto numel = index::product(shape);
-
-        auto ref = view::mutable_ref(data_ptr,numel);
-        return view::reshape(ref,shape);
-    }
-
     template <auto DIM=0, typename dim_type=nm_index_t, typename size_type=nm_index_t, typename type>
     nmtools_func_attribute
     auto create_mutable_array(type* data_ptr, const size_type* shape_ptr, dim_type dim)
     {
         const auto shape = create_vector<DIM>(shape_ptr,dim);
-        return create_mutable_array(data_ptr,shape);
+        return device_array(data_ptr,shape,dim);
     }
 
     template <typename size_type=nm_size_t>
@@ -182,12 +172,19 @@ namespace nmtools::array
                 return;
             }
             assign_result(output,*result,thread_id,block_id,block_size);
+        } else if constexpr (meta::is_maybe_v<mutable_array_t>) {
+            if (!static_cast<bool>(output)) {
+                return;
+            }
+            assign_result(*output,result,thread_id,block_id,block_size);
         } else {
             auto size = nmtools::size(output);
             auto idx = compute_offset(thread_id,block_id,block_size);
             if (idx < size) {
                 auto flat_lhs = view::mutable_flatten(output);
                 auto flat_rhs = view::flatten(result);
+                static_assert( !meta::is_maybe_v<decltype(flat_lhs)> );
+                static_assert( !meta::is_maybe_v<decltype(flat_rhs)> );
                 const auto rhs = flat_rhs(idx);
                 auto& lhs = flat_lhs(idx);
                 lhs = rhs;

diff --git a/include/nmtools/array/eval/simd/evaluator/ufunc.hpp b/include/nmtools/array/eval/simd/evaluator/ufunc.hpp
@@ -273,14 +273,14 @@ namespace nmtools::array
                     const auto reduction_kind = meta::as_type_v<ReductionKind::VERTICAL>;
                     const auto enumerator = index::reduction_2d_enumerator(reduction_kind,n_elem_pack,out_shape,inp_shape,reduction_axis);
                     for (size_t i=0; i<enumerator.size(); i++) {
-                        auto [out_pack, inp_pack] = enumerator[i];
-                        auto [out_tag,out_offset] = out_pack;
-                        auto [inp_tag,inp_offset] = inp_pack;
+                        const auto [out_pack, inp_pack] = enumerator[i];
+                        const auto [out_tag,out_offset] = out_pack;
+                        const auto [inp_tag,inp_offset] = inp_pack;
                         switch (out_tag) {
                             case SIMD::ACCUMULATE_PACKED: {
-                                auto inp_pack = op.loadu(&inp_data_ptr[inp_offset]);
-                                auto out_pack = op.loadu(&out_data_ptr[out_offset]);
-                                auto tmp = op.eval(out_pack,inp_pack);
+                                const auto inp_pack = op.loadu(&inp_data_ptr[inp_offset]);
+                                const auto out_pack = op.loadu(&out_data_ptr[out_offset]);
+                                const auto tmp = op.eval(out_pack,inp_pack);
                                 op.storeu(&out_data_ptr[out_offset],tmp);
                             } break;
                             case SIMD::ACCUMULATE: {

diff --git a/include/nmtools/array/eval/simd/index/matmul.hpp b/include/nmtools/array/eval/simd/index/matmul.hpp
@@ -93,13 +93,13 @@ namespace nmtools::index
         const auto res_l = lhs_offset + (inner_step * N_ELEM_PACK);
         const auto res_r = rhs_offset + (inner_step * N_ELEM_PACK);
 
-        const auto tag_l = ((inner_step * N_ELEM_PACK + N_ELEM_PACK) <= n_fmadd) ? SIMD::PACKED : static_cast<SIMD>(N_ELEM_PACK - n_rest);
-        const auto tag_r = ((inner_step * N_ELEM_PACK + N_ELEM_PACK) <= n_fmadd) ? SIMD::PACKED : static_cast<SIMD>(N_ELEM_PACK - n_rest);
+        const auto tag_l = (nm_size_t(inner_step * N_ELEM_PACK + N_ELEM_PACK) <= nm_size_t(n_fmadd)) ? SIMD::PACKED : static_cast<SIMD>(N_ELEM_PACK - n_rest);
+        const auto tag_r = (nm_size_t(inner_step * N_ELEM_PACK + N_ELEM_PACK) <= nm_size_t(n_fmadd)) ? SIMD::PACKED : static_cast<SIMD>(N_ELEM_PACK - n_rest);
 
         auto result  = result_t{};
-        at(result,0) = tagged_index_t{SIMD::SCALAR,out_offset};
-        at(result,1) = tagged_index_t{tag_l,res_l};
-        at(result,2) = tagged_index_t{tag_r,res_r};
+        at(result,0) = tagged_index_t{SIMD::SCALAR,static_cast<index_t>(out_offset)};
+        at(result,1) = tagged_index_t{tag_l,static_cast<index_t>(res_l)};
+        at(result,2) = tagged_index_t{tag_r,static_cast<index_t>(res_r)};
 
         return result;
     }