diff --git a/.github/workflows/ci-mac.yml b/.github/workflows/ci-mac.yml
index f599880b..c1467266 100644
--- a/.github/workflows/ci-mac.yml
+++ b/.github/workflows/ci-mac.yml
@@ -54,76 +54,6 @@ concurrency:
   #BUILD_TYPE: Release
   
 jobs:
-  macos:
-    name: CI ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        cxx_compiler: ["$(brew --prefix llvm@18)/bin/clang++"] 
-        llvm: ["$(brew --prefix llvm@18)"]
-        boost: ["$(brew --prefix boost)"]
-        libomp: ["$(brew --prefix libomp)"]
-        os: ["macos-12"] 
-                
-    # env does not work here because is resolved as string and not command 
-    # env:
-    #   CXX: ${{ matrix.cxx_compiler }}
-      
-    steps:
-    
-    - uses: actions/setup-python@v3
-      with:
-        python-version: '3.12'
-        
-    - name: checkout main repository
-      uses: actions/checkout@v4
-      with:
-        submodules: recursive
-        lfs: false
-
-    - name: ccache
-      uses: hendrikmuhs/ccache-action@v1.2
-      with:
-        key: super-ci-mac-2  # name for the cache
-        
-    # uninstall clang 15
-    - run: brew uninstall llvm@15
-
-    - run: brew install coreutils llvm@18
-        
-    - run: brew install libomp boost
-    
-    - run: pip install meson meson-python ninja pytest numpy
-    
-    # LDFLAGS="-L/opt/homebrew/opt/libomp/lib" CPPFLAGS="-I/opt/homebrew/opt/libomp/include" 
-    - name: configure meson
-      run: |
-        BOOST_ROOT=${{ matrix.boost }} CXX=${{ matrix.llvm }}/bin/clang++  LDFLAGS="-L${{ matrix.llvm }}/lib/c++ -L${{ matrix.llvm }}/lib -L${{ matrix.boost }}/lib" CPPFLAGS="-I${{ matrix.llvm }}/include -I${{ matrix.boost }}/include" meson setup builddir/; meson configure builddir -Dpython.install_env=auto
-
-    - name: compile project
-      run: meson compile -C builddir/
-
-    - name: test (cpp)
-      run: meson test -C builddir/ --print-errorlogs
-
-    - name: install project
-      run: sudo meson install -C builddir/
-
-    - name: install pip requirements
-      run: pip install -r requirements.txt
-
-    - name: test (pytest)
-      run: pytest -v
-      
-    - name: 'Upload error log'
-      uses: actions/upload-artifact@v4
-      if: failure()
-      with:
-        name: ${{matrix.container}}_testlog
-        path: builddir/meson-logs/meson-log.txt
-        retention-days: 5
-
   macos_arm:
     name: CI ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
@@ -162,7 +92,6 @@ jobs:
     
     - run: pip install meson meson-python ninja pytest numpy
     
-    # LDFLAGS="-L/opt/homebrew/opt/libomp/lib" CPPFLAGS="-I/opt/homebrew/opt/libomp/include" 
     - name: configure meson
       run: |
         meson setup builddir -Dpython.install_env=auto
diff --git a/src/themachinethatgoesping/tools/.docstrings/helper.doc.hpp b/src/themachinethatgoesping/tools/.docstrings/helper.doc.hpp
index 8fc357d4..f74c0f45 100644
--- a/src/themachinethatgoesping/tools/.docstrings/helper.doc.hpp
+++ b/src/themachinethatgoesping/tools/.docstrings/helper.doc.hpp
@@ -1,4 +1,4 @@
-//sourcehash: c10033c746c08995b3cc73b4e3a6ca5535af9fff92a9e4064818334037d0a889
+//sourcehash: 9e52974b63da8f3ce7627008f66e807c37ee88c968b30ff423515d475050c669
 
 /*
   This file contains docstrings for use in the Python bindings.
@@ -67,6 +67,8 @@ static const char *__doc_themachinethatgoesping_tools_helper_compare_containers
 
 static const char *__doc_themachinethatgoesping_tools_helper_float_equals = R"doc()doc";
 
+static const char *__doc_themachinethatgoesping_tools_helper_float_is_finite_and_not_zero = R"doc()doc";
+
 static const char *__doc_themachinethatgoesping_tools_helper_get_from_map_with_default = R"doc()doc";
 
 static const char *__doc_themachinethatgoesping_tools_helper_int_as_string = R"doc()doc";
diff --git a/src/themachinethatgoesping/tools/helper.hpp b/src/themachinethatgoesping/tools/helper.hpp
index 4248b36f..6d0f98e1 100644
--- a/src/themachinethatgoesping/tools/helper.hpp
+++ b/src/themachinethatgoesping/tools/helper.hpp
@@ -23,7 +23,7 @@ namespace themachinethatgoesping {
 namespace tools {
 namespace helper {
 
-template <typename t_out, typename t_in1, typename t_in2>
+template<typename t_out, typename t_in1, typename t_in2>
 inline t_out substract_set_zero_if_negative(t_in1 a, t_in2 b)
 {
     return a > b ? a - b : 0;
@@ -228,12 +228,18 @@ inline bool compare_containers(const t_container1& c1, const t_container2& c2)
 }
 
 template<typename t_float>
-bool float_equals(t_float a, t_float b, t_float epsilon = 0.0001)
+bool float_equals(t_float a, t_float b, t_float epsilon = t_float(0.0001))
 {
     return std::abs(a - b) < epsilon || (std::isnan(a) && std::isnan(b)) ||
            (std::isinf(a) && std::isinf(b));
 }
 
+template<typename t_float>
+bool float_is_finite_and_not_zero(t_float a, t_float epsilon = t_float(0.0001))
+{
+    return std::isfinite(a) && std::abs(a) > epsilon;
+}
+
 } // namespace helper
 } // namespace tools
 } // namespace themachinethatgoesping
diff --git a/subprojects/packagefiles/xtensor-python/include/meson.build b/subprojects/packagefiles/xtensor-python/include/meson.build
index 2ddf22f1..a2e4bf79 100644
--- a/subprojects/packagefiles/xtensor-python/include/meson.build
+++ b/subprojects/packagefiles/xtensor-python/include/meson.build
@@ -4,7 +4,7 @@
 
 # list and install headers
 headers = [
-  'pyarray.hpp',
+  'pytensor.hpp',
   'pyarray_backstrides.hpp',
   'pycontainer.hpp',
   'pynative_casters.hpp',