diff --git a/glm/core/type_mat2x2.inl b/glm/core/type_mat2x2.inl
index 77638dbb..f7fced77 100644
--- a/glm/core/type_mat2x2.inl
+++ b/glm/core/type_mat2x2.inl
@@ -122,11 +122,11 @@ namespace detail
 	}
 	
 	template <typename T> 
-	template <typename U, typename V, typename M, typename N> 
+	template <typename X1, typename Y1, typename X2, typename Y2> 
 	GLM_FUNC_DECL tmat2x2<T>::tmat2x2
 	(
-		U const & x1, V const & y1, 
-		M const & x2, N const & y2
+		X1 const & x1, Y1 const & y1, 
+		X2 const & x2, Y2 const & y2
 	)		
 	{
         this->value[0] = col_type(value_type(x1), value_type(y1));
@@ -134,11 +134,11 @@ namespace detail
 	}
 	
 	template <typename T> 
-	template <typename U, typename V> 
+	template <typename V1, typename V2> 
 	GLM_FUNC_DECL tmat2x2<T>::tmat2x2
 	(
-		tvec2<U> const & v1, 
-		tvec2<V> const & v2
+		tvec2<V1> const & v1, 
+		tvec2<V2> const & v2
 	)		
 	{
         this->value[0] = col_type(v1);
@@ -146,7 +146,7 @@ namespace detail
 	}
 
     //////////////////////////////////////////////////////////////
-    // mat2x2 conversions
+    // mat2x2 matrix conversions
 
     template <typename T> 
     template <typename U> 
diff --git a/glm/core/type_mat2x3.inl b/glm/core/type_mat2x3.inl
index 83e8b2e3..79d9c423 100644
--- a/glm/core/type_mat2x3.inl
+++ b/glm/core/type_mat2x3.inl
@@ -106,7 +106,49 @@ namespace detail
         this->value[1] = v1;
     }
 
-    // Conversion
+	//////////////////////////////////////
+	// Convertion constructors
+	template <typename T> 
+	template <typename U> 
+	GLM_FUNC_DECL tmat2x3<T>::tmat2x3
+	(
+		U const & s
+	)
+	{
+		value_type const Zero(0);
+        this->value[0] = tvec3<T>(value_type(s), Zero, Zero);
+        this->value[1] = tvec3<T>(Zero, value_type(s), Zero);
+	}
+	
+	template <typename T> 
+	template <
+		typename X1, typename Y1, typename Z1, 
+		typename X2, typename Y2, typename Z2> 
+	GLM_FUNC_DECL tmat2x3<T>::tmat2x3
+	(
+		X1 const & x1, Y1 const & y1, Z1 const & z1, 
+		X2 const & x2, Y2 const & y2, Z2 const & z2
+	)		
+	{
+        this->value[0] = col_type(value_type(x1), value_type(y1), value_type(z1));
+        this->value[1] = col_type(value_type(x2), value_type(y2), value_type(z2));
+	}
+	
+	template <typename T> 
+	template <typename V1, typename V2> 
+	GLM_FUNC_DECL tmat2x3<T>::tmat2x3
+	(
+		tvec3<V1> const & v1, 
+		tvec3<V2> const & v2
+	)		
+	{
+        this->value[0] = col_type(v1);
+        this->value[1] = col_type(v2);
+	}
+
+	//////////////////////////////////////
+    // Matrix conversions
+    
     template <typename T> 
     template <typename U> 
     GLM_FUNC_QUALIFIER tmat2x3<T>::tmat2x3
diff --git a/glm/core/type_mat2x4.inl b/glm/core/type_mat2x4.inl
index b19193f6..0a644d99 100644
--- a/glm/core/type_mat2x4.inl
+++ b/glm/core/type_mat2x4.inl
@@ -109,7 +109,49 @@ namespace detail
         this->value[1] = v1;
     }
 
-    // Conversion
+	//////////////////////////////////////
+	// Convertion constructors
+	template <typename T> 
+	template <typename U> 
+	GLM_FUNC_DECL tmat2x4<T>::tmat2x4
+	(
+		U const & s
+	)
+	{
+		value_type const Zero(0);
+        this->value[0] = tvec4<T>(value_type(s), Zero, Zero, Zero);
+        this->value[1] = tvec4<T>(Zero, value_type(s), Zero, Zero);
+	}
+	
+	template <typename T> 
+	template <
+		typename X1, typename Y1, typename Z1, typename W1 
+		typename X2, typename Y2, typename Z2, typename W2> 
+	GLM_FUNC_DECL tmat2x4<T>::tmat2x4
+	(
+		X1 const & x1, Y1 const & y1, Z1 const & z1, W1 const & w1, 
+		X2 const & x2, Y2 const & y2, Z2 const & z2, W2 const & w2, 
+	)		
+	{
+        this->value[0] = col_type(value_type(x1), value_type(y1), value_type(z1), value_type(w1));
+        this->value[1] = col_type(value_type(x2), value_type(y2), value_type(z2), value_type(w2));
+	}
+	
+	template <typename T> 
+	template <typename V1, typename V2> 
+	GLM_FUNC_DECL tmat2x4<T>::tmat2x4
+	(
+		tvec4<V1> const & v1, 
+		tvec4<V2> const & v2
+	)		
+	{
+        this->value[0] = col_type(v1);
+        this->value[1] = col_type(v2);
+	}
+
+	//////////////////////////////////////
+    // Matrix conversions
+    
     template <typename T> 
     template <typename U> 
     GLM_FUNC_QUALIFIER tmat2x4<T>::tmat2x4
diff --git a/glm/core/type_mat3x2.inl b/glm/core/type_mat3x2.inl
index 5fddb4c1..4138208f 100644
--- a/glm/core/type_mat3x2.inl
+++ b/glm/core/type_mat3x2.inl
@@ -113,7 +113,55 @@ namespace detail
         this->value[2] = v2;
     }
 
-    // Conversion
+	//////////////////////////////////////
+	// Convertion constructors
+	template <typename T> 
+	template <typename U> 
+	GLM_FUNC_DECL tmat3x2<T>::tmat3x2
+	(
+		U const & s
+	)
+	{
+		value_type const Zero(0);
+        this->value[0] = tvec2<T>(value_type(s), Zero);
+        this->value[1] = tvec2<T>(Zero, value_type(s));
+        this->value[2] = tvec2<T>(Zero);
+	}
+	
+	template <typename T> 
+	template <
+		typename X1, typename Y1, 
+		typename X2, typename Y2, 
+		typename X3, typename Y3> 
+	GLM_FUNC_DECL tmat3x2<T>::tmat3x2
+	(
+		X1 const & x1, Y1 const & y1, 
+		X2 const & x2, Y2 const & y2, 
+		X3 const & x3, Y3 const & y3
+	)		
+	{
+        this->value[0] = col_type(value_type(x1), value_type(y1));
+        this->value[1] = col_type(value_type(x2), value_type(y2));
+        this->value[2] = col_type(value_type(x3), value_type(y3));
+	}
+	
+	template <typename T> 
+	template <typename U, typename V> 
+	GLM_FUNC_DECL tmat3x2<T>::tmat3x2
+	(
+		tvec2<V1> const & v1, 
+		tvec2<V2> const & v2, 
+		tvec2<V3> const & v3
+	)		
+	{
+        this->value[0] = col_type(v1);
+        this->value[1] = col_type(v2);
+        this->value[2] = col_type(v3);
+	}
+
+    //////////////////////////////////////////////////////////////
+    // mat3x2 matrix conversions
+
     template <typename T> 
     template <typename U> 
     GLM_FUNC_QUALIFIER tmat3x2<T>::tmat3x2
diff --git a/glm/core/type_mat3x3.inl b/glm/core/type_mat3x3.inl
index 667f2235..3aeeaeb9 100644
--- a/glm/core/type_mat3x3.inl
+++ b/glm/core/type_mat3x3.inl
@@ -116,6 +116,52 @@ namespace detail
         this->value[2] = v2;
     }
 
+	//////////////////////////////////////
+	// Convertion constructors
+	template <typename T> 
+	template <typename U> 
+	GLM_FUNC_DECL tmat3x3<T>::tmat3x3
+	(
+		U const & s
+	)
+	{
+		value_type const Zero(0);
+        this->value[0] = tvec3<T>(value_type(s), Zero, Zero);
+        this->value[1] = tvec3<T>(Zero, value_type(s), Zero);
+        this->value[2] = tvec3<T>(Zero, Zero, value_type(s));
+	}
+	
+	template <typename T> 
+	template <
+		typename X1, typename Y1, typename Z1, 
+		typename X2, typename Y2, typename Z2, 
+		typename X3, typename Y3, typename Z3>  
+	GLM_FUNC_DECL tmat3x3<T>::tmat3x3
+	(
+		X1 const & x1, Y1 const & y1, Z1 const & z1, 
+		X2 const & x2, Y2 const & y2, Z2 const & z2, 
+		X3 const & x3, Y3 const & y3, Z3 const & z3 
+	)		
+	{
+        this->value[0] = col_type(value_type(x1), value_type(y1), value_type(z1));
+        this->value[1] = col_type(value_type(x2), value_type(y2), value_type(z2));
+        this->value[2] = col_type(value_type(x3), value_type(y3), value_type(z3));
+	}
+	
+	template <typename T> 
+	template <typename V1, typename V2, typename V3> 
+	GLM_FUNC_DECL tmat3x3<T>::tmat3x3
+	(
+		tvec3<V1> const & v1, 
+		tvec3<V2> const & v2, 
+		tvec3<V3> const & v3
+	)		
+	{
+        this->value[0] = col_type(v1);
+        this->value[1] = col_type(v2);
+        this->value[2] = col_type(v3);
+	}
+
     //////////////////////////////////////////////////////////////
     // Conversions
 
diff --git a/glm/core/type_mat3x4.inl b/glm/core/type_mat3x4.inl
index 1a0b8499..8502dacd 100644
--- a/glm/core/type_mat3x4.inl
+++ b/glm/core/type_mat3x4.inl
@@ -114,6 +114,52 @@ namespace detail
         this->value[2] = v2;
     }
 
+	//////////////////////////////////////
+	// Convertion constructors
+	template <typename T> 
+	template <typename U> 
+	GLM_FUNC_DECL tmat3x4<T>::tmat3x4
+	(
+		U const & s
+	)
+	{
+		value_type const Zero(0);
+        this->value[0] = tvec4<T>(value_type(s), Zero, Zero, Zero);
+        this->value[1] = tvec4<T>(Zero, value_type(s), Zero, Zero);
+        this->value[2] = tvec4<T>(Zero, Zero, value_type(s), Zero);
+	}
+	
+	template <typename T> 
+	template <
+		typename X1, typename Y1, typename Z1, typename W1, 
+		typename X2, typename Y2, typename Z2, typename W2, 
+		typename X3, typename Y3, typename Z3, typename W3>  
+	GLM_FUNC_DECL tmat3x4<T>::tmat3x4
+	(
+		X1 const & x1, Y1 const & y1, Z1 const & z1, W1 const & w1, 
+		X2 const & x2, Y2 const & y2, Z2 const & z2, W2 const & w2, 
+		X3 const & x3, Y3 const & y3, Z3 const & z3, W3 const & w3  
+	)		
+	{
+        this->value[0] = col_type(value_type(x1), value_type(y1), value_type(z1), value_type(w1));
+        this->value[1] = col_type(value_type(x2), value_type(y2), value_type(z2), value_type(w2));
+        this->value[2] = col_type(value_type(x3), value_type(y3), value_type(z3), value_type(w3));
+	}
+	
+	template <typename T> 
+	template <typename V1, typename V2, typename V3> 
+	GLM_FUNC_DECL tmat3x4<T>::tmat3x4
+	(
+		tvec4<V1> const & v1, 
+		tvec4<V2> const & v2, 
+		tvec4<V3> const & v3
+	)		
+	{
+        this->value[0] = col_type(v1);
+        this->value[1] = col_type(v2);
+        this->value[2] = col_type(v3);
+	}
+
     // Conversion
     template <typename T> 
     template <typename U> 
diff --git a/glm/core/type_mat4x2.inl b/glm/core/type_mat4x2.inl
index cb30a98c..60c54df9 100644
--- a/glm/core/type_mat4x2.inl
+++ b/glm/core/type_mat4x2.inl
@@ -123,6 +123,54 @@ namespace detail
         this->value[3] = v3;
     }
 
+	//////////////////////////////////////
+	// Convertion constructors
+	template <typename T> 
+	template <typename U> 
+	GLM_FUNC_DECL tmat4x2<T>::tmat4x2
+	(
+		U const & s
+	)
+	{
+		value_type const Zero(0);
+        this->value[0] = tvec4<T>(value_type(s), Zero);
+        this->value[1] = tvec4<T>(Zero, value_type(s));
+        this->value[2] = tvec4<T>(Zero, Zero);
+        this->value[3] = tvec4<T>(Zero, Zero);
+	}
+	
+	template <typename T> 
+	template <
+		typename X1, typename Y1, 
+		typename X2, typename Y2, 
+		typename X3, typename Y3, 
+		typename X4, typename Y4>  
+	GLM_FUNC_DECL tmat4x2<T>::tmat4x2
+	(
+		X1 const & x1, Y1 const & y1, Z1 const & z1, W1 const & w1, 
+		X2 const & x2, Y2 const & y2, Z2 const & z2, W2 const & w2, 
+		X3 const & x3, Y3 const & y3, Z3 const & z3, W3 const & w3  
+	)		
+	{
+        this->value[0] = col_type(value_type(x1), value_type(y1), value_type(z1), value_type(w1));
+        this->value[1] = col_type(value_type(x2), value_type(y2), value_type(z2), value_type(w2));
+        this->value[2] = col_type(value_type(x3), value_type(y3), value_type(z3), value_type(w3));
+	}
+	
+	template <typename T> 
+	template <typename V1, typename V2, typename V3> 
+	GLM_FUNC_DECL tmat4x2<T>::tmat4x2
+	(
+		tvec4<V1> const & v1, 
+		tvec4<V2> const & v2, 
+		tvec4<V3> const & v3
+	)		
+	{
+        this->value[0] = col_type(v1);
+        this->value[1] = col_type(v2);
+        this->value[2] = col_type(v3);
+	}
+
     // Conversion
     template <typename T> 
     template <typename U>