diff --git a/glm/detail/type_mat2x2.hpp b/glm/detail/type_mat2x2.hpp
index a263d54d..85527270 100644
--- a/glm/detail/type_mat2x2.hpp
+++ b/glm/detail/type_mat2x2.hpp
@@ -102,14 +102,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat2x2<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat3x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat4x3<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat3x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat4x3<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat2x2.inl b/glm/detail/type_mat2x2.inl
index 3f215e3f..df050763 100644
--- a/glm/detail/type_mat2x2.inl
+++ b/glm/detail/type_mat2x2.inl
@@ -149,56 +149,64 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x2<T, P>::tmat2x2(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
diff --git a/glm/detail/type_mat2x3.hpp b/glm/detail/type_mat2x3.hpp
index 7fc67faa..e8067b76 100644
--- a/glm/detail/type_mat2x3.hpp
+++ b/glm/detail/type_mat2x3.hpp
@@ -99,14 +99,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat2x3<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat3x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat4x3<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat3x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x3(tmat4x3<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat2x3.inl b/glm/detail/type_mat2x3.inl
index e7cabb72..5fedc05d 100644
--- a/glm/detail/type_mat2x3.inl
+++ b/glm/detail/type_mat2x3.inl
@@ -133,56 +133,64 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x3<T, P>::tmat2x3(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
diff --git a/glm/detail/type_mat2x4.hpp b/glm/detail/type_mat2x4.hpp
index e03e0948..7297c35c 100644
--- a/glm/detail/type_mat2x4.hpp
+++ b/glm/detail/type_mat2x4.hpp
@@ -101,14 +101,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat2x4<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat3x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat4x3<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat3x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat2x4(tmat4x3<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat2x4.inl b/glm/detail/type_mat2x4.inl
index f92b4df5..e8ecae3a 100644
--- a/glm/detail/type_mat2x4.inl
+++ b/glm/detail/type_mat2x4.inl
@@ -134,56 +134,64 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat2x4<T, P>::tmat2x4(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
diff --git a/glm/detail/type_mat3x2.hpp b/glm/detail/type_mat3x2.hpp
index 2f594bb1..fb91ee58 100644
--- a/glm/detail/type_mat3x2.hpp
+++ b/glm/detail/type_mat3x2.hpp
@@ -106,14 +106,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat3x2<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat3x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat4x3<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat3x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x2(tmat4x3<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat3x2.inl b/glm/detail/type_mat3x2.inl
index 24079cfe..690e54ff 100644
--- a/glm/detail/type_mat3x2.inl
+++ b/glm/detail/type_mat3x2.inl
@@ -155,7 +155,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
@@ -163,7 +164,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -171,7 +173,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -179,7 +182,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -187,7 +191,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -195,7 +200,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -203,7 +209,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
@@ -211,7 +218,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x2<T, P>::tmat3x2(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
diff --git a/glm/detail/type_mat3x3.hpp b/glm/detail/type_mat3x3.hpp
index 2aaae21e..4c6123b4 100644
--- a/glm/detail/type_mat3x3.hpp
+++ b/glm/detail/type_mat3x3.hpp
@@ -110,14 +110,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat3x3<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat3x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat4x3<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat3x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x3(tmat4x3<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat3x3.inl b/glm/detail/type_mat3x3.inl
index c3b07108..1f2d19a0 100644
--- a/glm/detail/type_mat3x3.inl
+++ b/glm/detail/type_mat3x3.inl
@@ -180,7 +180,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -188,7 +189,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -196,7 +198,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
@@ -204,7 +207,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -212,7 +216,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -220,7 +225,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -228,7 +234,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -236,7 +243,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x3<T, P>::tmat3x3(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
diff --git a/glm/detail/type_mat3x4.hpp b/glm/detail/type_mat3x4.hpp
index 6b5c1dbe..2ceda6f1 100644
--- a/glm/detail/type_mat3x4.hpp
+++ b/glm/detail/type_mat3x4.hpp
@@ -106,14 +106,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat3x4<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat4x3<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat3x4(tmat4x3<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat3x4.inl b/glm/detail/type_mat3x4.inl
index dd1f0563..390a290c 100644
--- a/glm/detail/type_mat3x4.inl
+++ b/glm/detail/type_mat3x4.inl
@@ -155,7 +155,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
@@ -163,7 +164,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -171,7 +173,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -179,7 +182,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -187,7 +191,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
@@ -195,7 +200,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -203,7 +209,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
@@ -211,7 +218,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat3x4<T, P>::tmat3x4(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
diff --git a/glm/detail/type_mat4x2.hpp b/glm/detail/type_mat4x2.hpp
index a52675b8..8b61956b 100644
--- a/glm/detail/type_mat4x2.hpp
+++ b/glm/detail/type_mat4x2.hpp
@@ -111,14 +111,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat4x2<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat4x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat3x4<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat4x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x2(tmat3x4<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat4x2.inl b/glm/detail/type_mat4x2.inl
index 2040d4a6..56882248 100644
--- a/glm/detail/type_mat4x2.inl
+++ b/glm/detail/type_mat4x2.inl
@@ -169,7 +169,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -178,7 +179,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -187,7 +189,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -196,7 +199,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -205,7 +209,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -214,7 +219,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -223,7 +229,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -232,7 +239,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x2<T, P>::tmat4x2(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
diff --git a/glm/detail/type_mat4x3.hpp b/glm/detail/type_mat4x3.hpp
index 9ee26169..fffacb6a 100644
--- a/glm/detail/type_mat4x3.hpp
+++ b/glm/detail/type_mat4x3.hpp
@@ -111,14 +111,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat4x3<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat4x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat3x4<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat4x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x3(tmat3x4<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat4x3.inl b/glm/detail/type_mat4x3.inl
index 58eeb6f9..7c478fe6 100644
--- a/glm/detail/type_mat4x3.inl
+++ b/glm/detail/type_mat4x3.inl
@@ -169,7 +169,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -178,7 +179,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -187,7 +189,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat4x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat4x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -196,7 +199,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -205,7 +209,8 @@ namespace glm
 	}
 
 	template <typename T, precision P> 
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -214,7 +219,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
@@ -223,7 +229,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -232,7 +239,8 @@ namespace glm
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x3<T, P>::tmat4x3(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0]);
 		this->value[1] = col_type(m[1]);
diff --git a/glm/detail/type_mat4x4.hpp b/glm/detail/type_mat4x4.hpp
index bb5fba0b..d7b808d4 100644
--- a/glm/detail/type_mat4x4.hpp
+++ b/glm/detail/type_mat4x4.hpp
@@ -115,14 +115,29 @@ namespace glm
 		template <typename U, precision Q>
 		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat4x4<U, Q> const & m);
 
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat2x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat3x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat2x3<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat3x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat2x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat4x2<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat3x4<T, P> const & x);
-		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat4x3<T, P> const & x);
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat2x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat3x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat2x3<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat3x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat2x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat4x2<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat3x4<U, Q> const & x);
+
+		template <typename U, precision Q>
+		GLM_FUNC_DECL GLM_EXPLICIT tmat4x4(tmat4x3<U, Q> const & x);
 
 		// -- Accesses --
 
diff --git a/glm/detail/type_mat4x4.inl b/glm/detail/type_mat4x4.inl
index acfa318c..b7f096c4 100644
--- a/glm/detail/type_mat4x4.inl
+++ b/glm/detail/type_mat4x4.inl
@@ -257,7 +257,8 @@ namespace detail
 	// -- Matrix conversions --
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat2x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat2x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
@@ -266,7 +267,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat3x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat3x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -275,7 +277,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat2x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat2x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);
@@ -284,7 +287,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat3x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat3x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
@@ -293,7 +297,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat2x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat2x4<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
@@ -302,7 +307,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat4x2<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat4x2<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0, 0);
 		this->value[1] = col_type(m[1], 0, 0);
@@ -311,7 +317,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat3x4<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat3x4<U, Q> const & m)
 	{
 		this->value[0] = m[0];
 		this->value[1] = m[1];
@@ -320,7 +327,8 @@ namespace detail
 	}
 
 	template <typename T, precision P>
-	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat4x3<T, P> const & m)
+	template <typename U, precision Q>
+	GLM_FUNC_QUALIFIER tmat4x4<T, P>::tmat4x4(tmat4x3<U, Q> const & m)
 	{
 		this->value[0] = col_type(m[0], 0);
 		this->value[1] = col_type(m[1], 0);