iterators with begin(), end(). vector / matrix bipolar

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.20)
 include(cmake/color.cmake)
-set(BLT_VERSION 2.0.9)
+set(BLT_VERSION 2.1.0)
 
 set(BLT_TARGET BLT)
 

include/blt/iterator/iterator.h

@@ -29,6 +29,12 @@
 namespace blt
 {
     
+    template<typename T>
+    static inline auto iterate(T begin, T end)
+    {
+        return iterator::iterator_container<T>{std::move(begin), std::move(end)};
+    }
+    
     template<typename T>
     static inline auto iterate(T& container)
     {

include/blt/math/matrix.h

@@ -12,6 +12,7 @@
 #include <type_traits>
 #include <array>
 #include <initializer_list>
+#include "blt/iterator/iterator.h"
 
 #ifndef M_PI
 // MSVC does not have M_PI
@@ -163,6 +164,17 @@ namespace blt
                 return copy;
             }
             
+            [[nodiscard]] constexpr matrix_t bipolar() const
+            {
+                matrix_t copy = *this;
+                for (auto& v : copy.data)
+                {
+                    for (auto& d : blt::iterate(v.begin(), v.end()))
+                        d = d >= 0 ? 1 : -1;
+                }
+                return copy;
+            }
+            
             constexpr inline const blt::vec<T, rows>& operator[](u32 column) const
             {
                 return data[column];

include/blt/math/vectors.h

@@ -34,6 +34,8 @@ namespace blt
         private:
             std::array<T, size> elements;
         public:
+            constexpr static blt::u32 data_size = size;
+            
             constexpr vec()
             {
                 for (auto& v : elements)