Added matrix integer extensions and tests

test/ext/ext_matrix_uint4x2_sized.cpp

@@ -0,0 +1,28 @@
+#include <glm/ext/matrix_uint4x2_sized.hpp>
+
+#if GLM_HAS_STATIC_ASSERT
+static_assert(sizeof(glm::u8mat4x2) == 8, "uint8 size isn't 1 byte on this platform");
+static_assert(sizeof(glm::u16mat4x2) == 16, "uint16 size isn't 2 bytes on this platform");
+static_assert(sizeof(glm::u32mat4x2) == 32, "uint32 size isn't 4 bytes on this platform");
+static_assert(sizeof(glm::u64mat4x2) == 64, "uint64 size isn't 8 bytes on this platform");
+#endif
+
+static int test_comp()
+{
+	int Error = 0;
+
+	Error += sizeof(glm::u8mat4x2) < sizeof(glm::u16mat4x2) ? 0 : 1;
+	Error += sizeof(glm::u16mat4x2) < sizeof(glm::u32mat4x2) ? 0 : 1;
+	Error += sizeof(glm::u32mat4x2) < sizeof(glm::u64mat4x2) ? 0 : 1;
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_comp();
+
+	return Error;
+}