diff --git a/glm/detail/func_common.inl b/glm/detail/func_common.inl
index db5baff6..b5279795 100644
--- a/glm/detail/func_common.inl
+++ b/glm/detail/func_common.inl
@@ -88,7 +88,7 @@ namespace detail
 	{
 		GLM_STATIC_ASSERT(
 			std::numeric_limits<genFIType>::is_iec559 ||
-			std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer, "'sign' only accept signed inputs");
+			(std::numeric_limits<genFIType>::is_signed && std::numeric_limits<genFIType>::is_integer), "'sign' only accept signed inputs");
 
 		genFIType result;
 		if(x > genFIType(0))
diff --git a/glm/detail/func_matrix.inl b/glm/detail/func_matrix.inl
index f7fa92c4..fb5c3fd1 100644
--- a/glm/detail/func_matrix.inl
+++ b/glm/detail/func_matrix.inl
@@ -46,7 +46,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec2, detail::tvec2>::type call(detail::tvec2<T, P> const & c, detail::tvec2<T, P> const & r)
 		{
-			detail::tmat2x2<T, P> m(detail::tmat2x2<T, P>::null);
+			detail::tmat2x2<T, P> m(detail::tmat2x2<T, P>::_null);
 			m[0][0] = c[0] * r[0];
 			m[0][1] = c[1] * r[0];
 			m[1][0] = c[0] * r[1];
@@ -60,7 +60,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec3, detail::tvec3>::type call(detail::tvec3<T, P> const & c, detail::tvec3<T, P> const & r)
 		{
-			detail::tmat3x3<T, P> m(detail::tmat3x3<T, P>::null);
+			detail::tmat3x3<T, P> m(detail::tmat3x3<T, P>::_null);
 			for(length_t i(0); i < m.length(); ++i)
 				m[i] = c * r[i];
 			return m;
@@ -72,7 +72,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec4, detail::tvec4>::type call(detail::tvec4<T, P> const & c, detail::tvec4<T, P> const & r)
 		{
-			detail::tmat4x4<T, P> m(detail::tmat4x4<T, P>::null);
+			detail::tmat4x4<T, P> m(detail::tmat4x4<T, P>::_null);
 			for(length_t i(0); i < m.length(); ++i)
 				m[i] = c * r[i];
 			return m;
@@ -84,7 +84,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec3, detail::tvec2>::type call(detail::tvec3<T, P> const & c, detail::tvec2<T, P> const & r)
 		{
-			detail::tmat2x3<T, P> m(detail::tmat2x3<T, P>::null);
+			detail::tmat2x3<T, P> m(detail::tmat2x3<T, P>::_null);
 			m[0][0] = c.x * r.x;
 			m[0][1] = c.y * r.x;
 			m[0][2] = c.z * r.x;
@@ -100,7 +100,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec2, detail::tvec3>::type call(detail::tvec2<T, P> const & c, detail::tvec3<T, P> const & r)
 		{
-			detail::tmat3x2<T, P> m(detail::tmat3x2<T, P>::null);
+			detail::tmat3x2<T, P> m(detail::tmat3x2<T, P>::_null);
 			m[0][0] = c.x * r.x;
 			m[0][1] = c.y * r.x;
 			m[1][0] = c.x * r.y;
@@ -116,7 +116,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec4, detail::tvec2>::type call(detail::tvec4<T, P> const & c, detail::tvec2<T, P> const & r)
 		{
-			detail::tmat2x4<T, P> m(detail::tmat2x4<T, P>::null);
+			detail::tmat2x4<T, P> m(detail::tmat2x4<T, P>::_null);
 			m[0][0] = c.x * r.x;
 			m[0][1] = c.y * r.x;
 			m[0][2] = c.z * r.x;
@@ -134,7 +134,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec2, detail::tvec4>::type call(detail::tvec2<T, P> const & c, detail::tvec4<T, P> const & r)
 		{
-			detail::tmat4x2<T, P> m(detail::tmat4x2<T, P>::null);
+			detail::tmat4x2<T, P> m(detail::tmat4x2<T, P>::_null);
 			m[0][0] = c.x * r.x;
 			m[0][1] = c.y * r.x;
 			m[1][0] = c.x * r.y;
@@ -152,7 +152,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec4, detail::tvec3>::type call(detail::tvec4<T, P> const & c, detail::tvec3<T, P> const & r)
 		{
-			detail::tmat3x4<T, P> m(detail::tmat3x4<T, P>::null);
+			detail::tmat3x4<T, P> m(detail::tmat3x4<T, P>::_null);
 			m[0][0] = c.x * r.x;
 			m[0][1] = c.y * r.x;
 			m[0][2] = c.z * r.x;
@@ -174,7 +174,7 @@ namespace detail
 	{
 		GLM_FUNC_QUALIFIER static typename detail::outerProduct_trait<T, P, detail::tvec3, detail::tvec4>::type call(detail::tvec3<T, P> const & c, detail::tvec4<T, P> const & r)
 		{
-			detail::tmat4x3<T, P> m(detail::tmat4x3<T, P>::null);
+			detail::tmat4x3<T, P> m(detail::tmat4x3<T, P>::_null);
 			m[0][0] = c.x * r.x;
 			m[0][1] = c.y * r.x;
 			m[0][2] = c.z * r.x;
@@ -430,7 +430,7 @@ namespace detail
 		return result;
 	}
 
-	template<template <class, precision> class vecTypeA, template <class, precision> class vecTypeB, typename T, precision P>
+	template<typename T, precision P, template <typename, precision> class vecTypeA, template <typename, precision> class vecTypeB>
 	GLM_FUNC_QUALIFIER typename detail::outerProduct_trait<T, P, vecTypeA, vecTypeB>::type outerProduct(vecTypeA<T, P> const & c, vecTypeB<T, P> const & r)
 	{
 		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'outerProduct' only accept floating-point inputs");
diff --git a/glm/detail/intrinsic_matrix.inl b/glm/detail/intrinsic_matrix.inl
index 70bc1e7a..ba61a123 100644
--- a/glm/detail/intrinsic_matrix.inl
+++ b/glm/detail/intrinsic_matrix.inl
@@ -1049,7 +1049,7 @@ GLM_FUNC_QUALIFIER void sse_rotate_ps(__m128 const in[4], float Angle, float con
 	Result[2] = TmpC4;
 	Result[3] = _mm_set_ps(1, 0, 0, 0);
 
-	//detail::tmat4x4<valType> Result(detail::tmat4x4<valType>::null);
+	//detail::tmat4x4<valType> Result(detail::tmat4x4<valType>::_null);
 	//Result[0] = m[0] * Rotate[0][0] + m[1] * Rotate[0][1] + m[2] * Rotate[0][2];
 	//Result[1] = m[0] * Rotate[1][0] + m[1] * Rotate[1][1] + m[2] * Rotate[1][2];
 	//Result[2] = m[0] * Rotate[2][0] + m[1] * Rotate[2][1] + m[2] * Rotate[2][2];
diff --git a/glm/detail/type_mat2x3.inl b/glm/detail/type_mat2x3.inl
index 4ca8af6b..b1d46d9e 100644
--- a/glm/detail/type_mat2x3.inl
+++ b/glm/detail/type_mat2x3.inl
@@ -514,7 +514,7 @@ namespace detail
 		T SrcB20 = m2[2][0];
 		T SrcB21 = m2[2][1];
 
-		tmat3x3<T, P> Result(tmat3x3<T, P>::null);
+		tmat3x3<T, P> Result(tmat3x3<T, P>::_null);
 		Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01;
 		Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01;
 		Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01;
diff --git a/glm/detail/type_mat2x4.inl b/glm/detail/type_mat2x4.inl
index dd8bdcdb..30540797 100644
--- a/glm/detail/type_mat2x4.inl
+++ b/glm/detail/type_mat2x4.inl
@@ -508,7 +508,7 @@ namespace detail
 		T SrcB30 = m2[3][0];
 		T SrcB31 = m2[3][1];
 
-		tmat4x4<T, P> Result(tmat4x4<T, P>::null);
+		tmat4x4<T, P> Result(tmat4x4<T, P>::_null);
 		Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01;
 		Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01;
 		Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01;
diff --git a/glm/detail/type_mat3x2.inl b/glm/detail/type_mat3x2.inl
index d1811188..829be7c0 100644
--- a/glm/detail/type_mat3x2.inl
+++ b/glm/detail/type_mat3x2.inl
@@ -538,7 +538,7 @@ namespace detail
 		const T SrcB11 = m2[1][1];
 		const T SrcB12 = m2[1][2];
 
-		tmat2x2<T, P> Result(tmat2x2<T, P>::null);
+		tmat2x2<T, P> Result(tmat2x2<T, P>::_null);
 		Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02;
 		Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02;
 		Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12;
diff --git a/glm/detail/type_mat3x4.inl b/glm/detail/type_mat3x4.inl
index a0744496..eca5f7e8 100644
--- a/glm/detail/type_mat3x4.inl
+++ b/glm/detail/type_mat3x4.inl
@@ -553,7 +553,7 @@ namespace detail
 		const T SrcB31 = m2[3][1];
 		const T SrcB32 = m2[3][2];
 
-		tmat4x4<T, P> Result(tmat4x4<T, P>::null);
+		tmat4x4<T, P> Result(tmat4x4<T, P>::_null);
 		Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02;
 		Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02;
 		Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01 + SrcA22 * SrcB02;
diff --git a/glm/detail/type_mat4x2.inl b/glm/detail/type_mat4x2.inl
index c9c3804c..78ed517f 100644
--- a/glm/detail/type_mat4x2.inl
+++ b/glm/detail/type_mat4x2.inl
@@ -589,7 +589,7 @@ namespace detail
 		T const SrcB12 = m2[1][2];
 		T const SrcB13 = m2[1][3];
 
-		tmat2x2<T, P> Result(tmat2x2<T, P>::null);
+		tmat2x2<T, P> Result(tmat2x2<T, P>::_null);
 		Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02 + SrcA30 * SrcB03;
 		Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02 + SrcA31 * SrcB03;
 		Result[1][0] = SrcA00 * SrcB10 + SrcA10 * SrcB11 + SrcA20 * SrcB12 + SrcA30 * SrcB13;
diff --git a/glm/detail/type_mat4x3.inl b/glm/detail/type_mat4x3.inl
index 88fd64e2..965604e7 100644
--- a/glm/detail/type_mat4x3.inl
+++ b/glm/detail/type_mat4x3.inl
@@ -583,7 +583,7 @@ namespace detail
 		T const SrcB22 = m2[2][2];
 		T const SrcB23 = m2[2][3];
 
-		tmat3x3<T, P> Result(tmat3x3<T, P>::null);
+		tmat3x3<T, P> Result(tmat3x3<T, P>::_null);
 		Result[0][0] = SrcA00 * SrcB00 + SrcA10 * SrcB01 + SrcA20 * SrcB02 + SrcA30 * SrcB03;
 		Result[0][1] = SrcA01 * SrcB00 + SrcA11 * SrcB01 + SrcA21 * SrcB02 + SrcA31 * SrcB03;
 		Result[0][2] = SrcA02 * SrcB00 + SrcA12 * SrcB01 + SrcA22 * SrcB02 + SrcA32 * SrcB03;
diff --git a/glm/gtx/rotate_normalized_axis.inl b/glm/gtx/rotate_normalized_axis.inl
index a7297225..29305a30 100644
--- a/glm/gtx/rotate_normalized_axis.inl
+++ b/glm/gtx/rotate_normalized_axis.inl
@@ -49,7 +49,7 @@ namespace glm
 
 		detail::tvec3<T, P> temp = (T(1) - c) * axis;
 
-		detail::tmat4x4<T, P> Rotate(detail::tmat4x4<T, P>::null);
+		detail::tmat4x4<T, P> Rotate(detail::tmat4x4<T, P>::_null);
 		Rotate[0][0] = c + temp[0] * axis[0];
 		Rotate[0][1] = 0 + temp[0] * axis[1] + s * axis[2];
 		Rotate[0][2] = 0 + temp[0] * axis[2] - s * axis[1];
@@ -62,7 +62,7 @@ namespace glm
 		Rotate[2][1] = 0 + temp[2] * axis[1] - s * axis[0];
 		Rotate[2][2] = c + temp[2] * axis[2];
 
-		detail::tmat4x4<T, P> Result(detail::tmat4x4<T, P>::null);
+		detail::tmat4x4<T, P> Result(detail::tmat4x4<T, P>::_null);
 		Result[0] = m[0] * Rotate[0][0] + m[1] * Rotate[0][1] + m[2] * Rotate[0][2];
 		Result[1] = m[0] * Rotate[1][0] + m[1] * Rotate[1][1] + m[2] * Rotate[1][2];
 		Result[2] = m[0] * Rotate[2][0] + m[1] * Rotate[2][1] + m[2] * Rotate[2][2];
diff --git a/readme.txt b/readme.txt
index be939f63..cfc1b99c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -46,7 +46,8 @@ GLM 0.9.6.0: 2014-XX-XX
 ================================================================================
 GLM 0.9.5.2: 2014-0X-XX
 --------------------------------------------------------------------------------
-
+- Fixed warnings with the Android NDK 9c
+- Fixed non power of two matrix products
 
 ================================================================================
 GLM 0.9.5.1: 2014-01-11
diff --git a/test/core/core_func_matrix.cpp b/test/core/core_func_matrix.cpp
index ca52f724..1b609f32 100644
--- a/test/core/core_func_matrix.cpp
+++ b/test/core/core_func_matrix.cpp
@@ -80,7 +80,7 @@ int test_matrixCompMult()
 
 int test_outerProduct()
 {
-
+	glm::mat4 m = glm::outerProduct(glm::vec4(1.0f), glm::vec4(1.0f));
 
 	return 0;
 }