diff --git a/glm/detail/type_mat4x4.hpp b/glm/detail/type_mat4x4.hpp
index b92e2080..865ae2a4 100644
--- a/glm/detail/type_mat4x4.hpp
+++ b/glm/detail/type_mat4x4.hpp
@@ -36,7 +36,7 @@ namespace glm
 		template<qualifier P>
 		GLM_FUNC_DECL GLM_CONSTEXPR mat(mat<4, 4, T, P> const& m);
 
-		GLM_FUNC_DECL explicit GLM_CONSTEXPR mat(T const& x);
+		GLM_FUNC_DECL explicit GLM_CONSTEXPR mat(T s);
 		GLM_FUNC_DECL GLM_CONSTEXPR mat(
 			T const& x0, T const& y0, T const& z0, T const& w0,
 			T const& x1, T const& y1, T const& z1, T const& w1,
@@ -122,28 +122,28 @@ namespace glm
 	// -- Binary operators --
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator+(mat<4, 4, T, Q> const& m, T const& s);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator+(mat<4, 4, T, Q> const& m, T scalar);
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator+(T const& s, mat<4, 4, T, Q> const& m);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator+(T scalar, mat<4, 4, T, Q> const& m);
 
 	template<typename T, qualifier Q>
 	GLM_FUNC_DECL mat<4, 4, T, Q> operator+(mat<4, 4, T, Q> const& m1, mat<4, 4, T, Q> const& m2);
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator-(mat<4, 4, T, Q> const& m, T const& s);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator-(mat<4, 4, T, Q> const& m, T scalar);
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator-(T const& s, mat<4, 4, T, Q> const& m);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator-(T scalar, mat<4, 4, T, Q> const& m);
 
 	template<typename T, qualifier Q>
 	GLM_FUNC_DECL mat<4, 4, T, Q> operator-(mat<4, 4, T, Q> const& m1,	mat<4, 4, T, Q> const& m2);
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator*(mat<4, 4, T, Q> const& m, T const& s);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator*(mat<4, 4, T, Q> const& m, T scalar);
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator*(T const& s, mat<4, 4, T, Q> const& m);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator*(T scalar, mat<4, 4, T, Q> const& m);
 
 	template<typename T, qualifier Q>
 	GLM_FUNC_DECL typename mat<4, 4, T, Q>::col_type operator*(mat<4, 4, T, Q> const& m, typename mat<4, 4, T, Q>::row_type const& v);
@@ -161,10 +161,10 @@ namespace glm
 	GLM_FUNC_DECL mat<4, 4, T, Q> operator*(mat<4, 4, T, Q> const& m1, mat<4, 4, T, Q> const& m2);
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator/(mat<4, 4, T, Q> const& m, T const& s);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator/(mat<4, 4, T, Q> const& m, T scalar);
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_DECL mat<4, 4, T, Q> operator/(T const& s, mat<4, 4, T, Q> const& m);
+	GLM_FUNC_DECL mat<4, 4, T, Q> operator/(T scalar, mat<4, 4, T, Q> const& m);
 
 	template<typename T, qualifier Q>
 	GLM_FUNC_DECL typename mat<4, 4, T, Q>::col_type operator/(mat<4, 4, T, Q> const& m, typename mat<4, 4, T, Q>::row_type const& v);
diff --git a/glm/detail/type_mat4x4.inl b/glm/detail/type_mat4x4.inl
index 5c2166ea..b4f98b92 100644
--- a/glm/detail/type_mat4x4.inl
+++ b/glm/detail/type_mat4x4.inl
@@ -36,7 +36,7 @@ namespace glm
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<4, 4, T, Q>::mat(T const& s)
+	GLM_FUNC_QUALIFIER GLM_CONSTEXPR mat<4, 4, T, Q>::mat(T s)
 #		if GLM_HAS_INITIALIZER_LISTS
 			: value{col_type(s, 0, 0, 0), col_type(0, s, 0, 0), col_type(0, 0, s, 0), col_type(0, 0, 0, s)}
 #		endif
@@ -453,23 +453,23 @@ namespace glm
 	// -- Binary arithmetic operators --
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator+(mat<4, 4, T, Q> const& m, T const& s)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator+(mat<4, 4, T, Q> const& m, T scalar)
 	{
 		return mat<4, 4, T, Q>(
-			m[0] + s,
-			m[1] + s,
-			m[2] + s,
-			m[3] + s);
+			m[0] + scalar,
+			m[1] + scalar,
+			m[2] + scalar,
+			m[3] + scalar);
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator+(T const& s, mat<4, 4, T, Q> const& m)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator+(T scalar, mat<4, 4, T, Q> const& m)
 	{
 		return mat<4, 4, T, Q>(
-			m[0] + s,
-			m[1] + s,
-			m[2] + s,
-			m[3] + s);
+			m[0] + scalar,
+			m[1] + scalar,
+			m[2] + scalar,
+			m[3] + scalar);
 	}
 
 	template<typename T, qualifier Q>
@@ -483,23 +483,23 @@ namespace glm
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator-(mat<4, 4, T, Q> const& m, T const& s)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator-(mat<4, 4, T, Q> const& m, T scalar)
 	{
 		return mat<4, 4, T, Q>(
-			m[0] - s,
-			m[1] - s,
-			m[2] - s,
-			m[3] - s);
+			m[0] - scalar,
+			m[1] - scalar,
+			m[2] - scalar,
+			m[3] - scalar);
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator-(T const& s, mat<4, 4, T, Q> const& m)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator-(T scalar, mat<4, 4, T, Q> const& m)
 	{
 		return mat<4, 4, T, Q>(
-			s - m[0],
-			s - m[1],
-			s - m[2],
-			s - m[3]);
+			scalar - m[0],
+			scalar - m[1],
+			scalar - m[2],
+			scalar - m[3]);
 	}
 
 	template<typename T, qualifier Q>
@@ -513,23 +513,23 @@ namespace glm
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator*(mat<4, 4, T, Q> const& m, T const  & s)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator*(mat<4, 4, T, Q> const& m, T scalar)
 	{
 		return mat<4, 4, T, Q>(
-			m[0] * s,
-			m[1] * s,
-			m[2] * s,
-			m[3] * s);
+			m[0] * scalar,
+			m[1] * scalar,
+			m[2] * scalar,
+			m[3] * scalar);
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator*(T const& s, mat<4, 4, T, Q> const& m)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator*(T scalar, mat<4, 4, T, Q> const& m)
 	{
 		return mat<4, 4, T, Q>(
-			m[0] * s,
-			m[1] * s,
-			m[2] * s,
-			m[3] * s);
+			m[0] * scalar,
+			m[1] * scalar,
+			m[2] * scalar,
+			m[3] * scalar);
 	}
 
 	template<typename T, qualifier Q>
@@ -648,23 +648,23 @@ namespace glm
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator/(mat<4, 4, T, Q> const& m, T const& s)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator/(mat<4, 4, T, Q> const& m, T scalar)
 	{
 		return mat<4, 4, T, Q>(
-			m[0] / s,
-			m[1] / s,
-			m[2] / s,
-			m[3] / s);
+			m[0] / scalar,
+			m[1] / scalar,
+			m[2] / scalar,
+			m[3] / scalar);
 	}
 
 	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator/(T const& s,	mat<4, 4, T, Q> const& m)
+	GLM_FUNC_QUALIFIER mat<4, 4, T, Q> operator/(T scalar,	mat<4, 4, T, Q> const& m)
 	{
 		return mat<4, 4, T, Q>(
-			s / m[0],
-			s / m[1],
-			s / m[2],
-			s / m[3]);
+			scalar / m[0],
+			scalar / m[1],
+			scalar / m[2],
+			scalar / m[3]);
 	}
 
 	template<typename T, qualifier Q>