Reviewed functions definition

src/raymath.h

@@ -46,38 +46,31 @@
 //#define RAYMATH_HEADER_ONLY     // NOTE: To compile functions as static inline, uncomment this line
 
 #ifndef RAYMATH_STANDALONE
-    #include "raylib.h"             // Required for structs: Vector3, Matrix
+    #include "raylib.h"           // Required for structs: Vector3, Matrix
 #endif
 
-#ifdef __cplusplus
-    #define RMEXTERN extern "C"     // Functions visible from other files (no name mangling of functions in C++)
-#else
-    #define RMEXTERN                // Functions visible from other files
-#endif
-
-#if defined RAYMATH_IMPLEMENTATION && defined RAYMATH_HEADER_ONLY
+#if defined(RAYMATH_IMPLEMENTATION) && defined(RAYMATH_HEADER_ONLY)
     #error "Specifying both RAYMATH_IMPLEMENTATION and RAYMATH_HEADER_ONLY is contradictory"
 #endif
 
-#ifdef RAYMATH_IMPLEMENTATION
+#if defined(RAYMATH_IMPLEMENTATION)
     #if defined(_WIN32) && defined(BUILD_LIBTYPE_SHARED)
         #define RMDEF __declspec(dllexport) extern inline // We are building raylib as a Win32 shared library (.dll).
     #elif defined(_WIN32) && defined(USE_LIBTYPE_SHARED) 
-        #define RLAPI __declspec(dllimport)         // We are using raylib as a Win32 shared library (.dll)
+        #define RMDEF __declspec(dllimport)         // We are using raylib as a Win32 shared library (.dll)
     #else
         #define RMDEF extern inline // Provide external definition
     #endif
-#elif defined RAYMATH_HEADER_ONLY
+#elif defined(RAYMATH_HEADER_ONLY)
     #define RMDEF static inline // Functions may be inlined, no external out-of-line definition
 #else
-    #ifdef __TINYC__
+    #if defined(__TINYC__)
         #define RMDEF static inline // plain inline not supported by tinycc (See issue #435)
     #else
         #define RMDEF inline        // Functions may be inlined or external definition used
     #endif
 #endif
 
-
 //----------------------------------------------------------------------------------
 // Defines and Macros
 //----------------------------------------------------------------------------------