Added NEON float4_t. Added float4_t unit test.

tests/dbg.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2011-2013 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#ifndef DBG_H_HEADER_GUARD
+#define DBG_H_HEADER_GUARD
+
+#include <stdarg.h> // va_list
+#include <stdint.h>
+
+#define DBG_STRINGIZE(_x) DBG_STRINGIZE_(_x)
+#define DBG_STRINGIZE_(_x) #_x
+#define DBG_FILE_LINE_LITERAL "" __FILE__ "(" DBG_STRINGIZE(__LINE__) "): "
+#define DBG(_format, ...) dbgPrintf(DBG_FILE_LINE_LITERAL "" _format "\n", ##__VA_ARGS__)
+
+extern void dbgPrintfVargs(const char* _format, va_list _argList);
+extern void dbgPrintf(const char* _format, ...);
+extern void dbgPrintfData(const void* _data, uint32_t _size, const char* _format, ...);
+
+#endif // DBG_H_HEADER_GUARD