Added platform detection

glm/core/func_common.inl

@@ -800,7 +800,7 @@ namespace detail
 
 #if(GLM_COMPILER & GLM_COMPILER_VC)
 		return typename genType::bool_type(_isnan(x));
-#elif(defined(ANDROID))
+#elif(GLM_PLATFORM & GLM_PLATFORM_ANDROID)
 		return typename genType::bool_type(isnan(x));
 #else
 		return typename genType::bool_type(std::isnan(x));
@@ -853,7 +853,7 @@ namespace detail
 
 #if(GLM_COMPILER & GLM_COMPILER_VC)
 		return typename genType::bool_type(_fpclass(x) == _FPCLASS_NINF || _fpclass(x) == _FPCLASS_PINF);
-#elif(defined(ANDROID))
+#elif(GLM_PLATFORM & GLM_PLATFORM_ANDROID)
 		return typename genType::bool_type(isinf(x));
 #else
 		return typename genType::bool_type(std::isinf(x));

glm/core/setup.hpp

@@ -38,6 +38,30 @@
 #define GLM_VERSION_PATCH			3
 #define GLM_VERSION_REVISION		0
 
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Platform
+
+#define GLM_PLATFORM_UNKNOWN		0x00000000
+#define GLM_PLATFORM_WINDOWS		0x00010000
+#define GLM_PLATFORM_LINUX			0x00020000
+#define GLM_PLATFORM_MACOSX			0x00040000
+#define GLM_PLATFORM_IOS			0x00080000
+#define GLM_PLATFORM_ANDROID		0x00100000
+
+#ifdef GLM_FORCE_PLATFORM_UNKNOWN
+#	define GLM_PLATFORM GLM_PLATFORM_UNKNOWN
+#elif defined(_WIN32)
+#	define GLM_PLATFORM GLM_PLATFORM_WINDOWS
+#elif defined(TARGET_OS_IPHONE) || defined(TARGET_IPHONE_SIMULATOR)
+#	define GLM_PLATFORM GLM_PLATFORM_IOS
+#elif defined(__APPLE__)
+#	define GLM_PLATFORM GLM_PLATFORM_MACOSX
+#elif defined(ANDROID)
+#	define GLM_PLATFORM GLM_PLATFORM_ANDROID
+#else
+#	define GLM_PLATFORM GLM_PLATFORM_UNKNOWN
+#endif//
+
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Compiler