From c75617c2b62e7c235ec8cee760c5904925b22525 Mon Sep 17 00:00:00 2001
From: John Wellbelove <john.wellbelove@etlcpp.com>
Date: Mon, 18 Dec 2023 11:07:42 +0000
Subject: [PATCH] #805 legacy etl::bitset set/reset does not work if the
 element type is greater than 8 bit

---
 include/etl/private/bitset_legacy.h | 18 ++++++++---------
 include/etl/private/bitset_new.h    |  8 ++++----
 test/vs2022/etl.vcxproj.filters     | 30 +++++++++++++++++++++++------
 3 files changed, 37 insertions(+), 19 deletions(-)

diff --git a/include/etl/private/bitset_legacy.h b/include/etl/private/bitset_legacy.h
index 30c152ae1..2a37a6a3a 100644
--- a/include/etl/private/bitset_legacy.h
+++ b/include/etl/private/bitset_legacy.h
@@ -151,10 +151,10 @@ namespace etl
     typedef typename etl::make_unsigned<ETL_BITSET_ELEMENT_TYPE>::type element_type;
     typedef element_type element_t; // Backward compatibility
 
-    static ETL_CONSTANT element_type ALL_SET = etl::integral_limits<element_type>::max;
+    static ETL_CONSTANT element_type ALL_SET   = etl::integral_limits<element_type>::max;
     static ETL_CONSTANT element_type ALL_CLEAR = 0;
 
-    static ETL_CONSTANT size_t    Bits_Per_Element = etl::integral_limits<element_type>::bits;
+    static ETL_CONSTANT size_t       Bits_Per_Element  = etl::integral_limits<element_type>::bits;
 
 #if ETL_USING_CPP11
     typedef etl::span<element_type>       span_type;
@@ -311,7 +311,7 @@ namespace etl
     //*************************************************************************
     ibitset& set()
     {
-      ::memset(pdata, 0xFF, Number_Of_Elements);
+      etl::fill_n(pdata, Number_Of_Elements - 1U, ALL_SET);
       pdata[Number_Of_Elements - 1U] = Top_Mask;
 
       return *this;
@@ -519,7 +519,7 @@ namespace etl
       return v;
     }
 
-    //*************************************************************************
+    //************************************************************************* 
     /// Put to a unsigned long.
     //*************************************************************************
     unsigned long to_ulong() const
@@ -540,7 +540,7 @@ namespace etl
     //*************************************************************************
     ibitset& reset()
     {
-      ::memset(pdata, 0, Number_Of_Elements * sizeof(element_type));
+      etl::fill_n(pdata, Number_Of_Elements, ALL_CLEAR);
 
       return *this;
     }
@@ -582,10 +582,10 @@ namespace etl
     //*************************************************************************
     ibitset& flip()
     {
-      for (size_t i = 0UL; i < Number_Of_Elements; ++i)
-      {
-        pdata[i] = ~pdata[i];
-      }
+      etl::transform_n(pdata, 
+                       Number_Of_Elements, 
+                       pdata, 
+                       etl::binary_not<element_type>());
 
       clear_unused_bits_in_msb();
 
diff --git a/include/etl/private/bitset_new.h b/include/etl/private/bitset_new.h
index 28497238e..2887c97d9 100644
--- a/include/etl/private/bitset_new.h
+++ b/include/etl/private/bitset_new.h
@@ -440,10 +440,10 @@ namespace etl
     //*************************************************************************
     ETL_CONSTEXPR14 void flip(pointer pbuffer, size_t number_of_elements) ETL_NOEXCEPT
     {
-      for (size_t i = 0UL; i < number_of_elements; ++i)
-      {
-        pbuffer[i] = ~pbuffer[i];
-      }
+      etl::transform_n(pbuffer,
+                       number_of_elements,
+                       pbuffer, 
+                       etl::binary_not<element_type>());
     }
 
     //*************************************************************************
diff --git a/test/vs2022/etl.vcxproj.filters b/test/vs2022/etl.vcxproj.filters
index 2adfa8622..5c457a213 100644
--- a/test/vs2022/etl.vcxproj.filters
+++ b/test/vs2022/etl.vcxproj.filters
@@ -3340,12 +3340,6 @@
     <None Include="..\..\appveyor.yml">
       <Filter>Resource Files\CI\Appveyor</Filter>
     </None>
-    <None Include="..\..\.github\workflows\clang.yml">
-      <Filter>Resource Files\CI\Github</Filter>
-    </None>
-    <None Include="..\..\.github\workflows\gcc.yml">
-      <Filter>Resource Files\CI\Github</Filter>
-    </None>
     <None Include="..\..\.clang-format">
       <Filter>Resource Files</Filter>
     </None>
@@ -3412,6 +3406,30 @@
     <None Include="..\..\scripts\update_version.py">
       <Filter>Tests\Scripts</Filter>
     </None>
+    <None Include="..\..\.github\workflows\clang-c++11.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
+    <None Include="..\..\.github\workflows\clang-c++14.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
+    <None Include="..\..\.github\workflows\clang-c++17.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
+    <None Include="..\..\.github\workflows\clang-c++20.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
+    <None Include="..\..\.github\workflows\gcc-c++11.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
+    <None Include="..\..\.github\workflows\gcc-c++14.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
+    <None Include="..\..\.github\workflows\gcc-c++17.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
+    <None Include="..\..\.github\workflows\gcc-c++20.yml">
+      <Filter>Resource Files\CI\Github</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <Text Include="..\..\support\Release notes.txt">