Lesson 35 - Get Compute Auth Token Working

Plugins/GameLiftPlugin/Source/GameLiftServer/ThirdParty/concurrentqueue/benchmarks/dlib/uintn.h

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+// Copyright (C) 2005  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+
+#ifndef DLIB_UINtn_
+#define DLIB_UINtn_
+
+#include "assert.h"
+
+namespace dlib
+{
+
+    /*!
+        uint64 is a typedef for an unsigned integer that is exactly 64 bits wide.
+        uint32 is a typedef for an unsigned integer that is exactly 32 bits wide.
+        uint16 is a typedef for an unsigned integer that is exactly 16 bits wide.
+        uint8  is a typedef for an unsigned integer that is exactly 8  bits wide.
+
+        int64 is a typedef for an integer that is exactly 64 bits wide.
+        int32 is a typedef for an integer that is exactly 32 bits wide.
+        int16 is a typedef for an integer that is exactly 16 bits wide.
+        int8  is a typedef for an integer that is exactly 8  bits wide.
+    !*/
+
+
+#ifdef __GNUC__
+    typedef unsigned long long uint64;
+    typedef long long int64;
+#elif defined(__BORLANDC__)
+    typedef unsigned __int64 uint64;
+    typedef __int64 int64;
+#elif defined(_MSC_VER)
+    typedef unsigned __int64 uint64;
+    typedef __int64 int64;
+#else
+    typedef unsigned long long uint64;
+    typedef long long int64;
+#endif
+
+    typedef unsigned short uint16;
+    typedef unsigned int   uint32;
+    typedef unsigned char  uint8;
+
+    typedef short int16;
+    typedef int   int32;
+    typedef char  int8;
+
+
+    // make sure these types have the right sizes on this platform
+    COMPILE_TIME_ASSERT(sizeof(uint8)  == 1);
+    COMPILE_TIME_ASSERT(sizeof(uint16) == 2);
+    COMPILE_TIME_ASSERT(sizeof(uint32) == 4);
+    COMPILE_TIME_ASSERT(sizeof(uint64) == 8);
+
+    COMPILE_TIME_ASSERT(sizeof(int8)  == 1);
+    COMPILE_TIME_ASSERT(sizeof(int16) == 2);
+    COMPILE_TIME_ASSERT(sizeof(int32) == 4);
+    COMPILE_TIME_ASSERT(sizeof(int64) == 8);
+
+
+
+    template <typename T, size_t s = sizeof(T)>
+    struct unsigned_type;
+    template <typename T>
+    struct unsigned_type<T,1> { typedef uint8 type; };
+    template <typename T>
+    struct unsigned_type<T,2> { typedef uint16 type; };
+    template <typename T>
+    struct unsigned_type<T,4> { typedef uint32 type; };
+    template <typename T>
+    struct unsigned_type<T,8> { typedef uint64 type; };
+    /*!
+        ensures
+            - sizeof(unsigned_type<T>::type) == sizeof(T)
+            - unsigned_type<T>::type is an unsigned integral type
+    !*/
+
+    template <typename T, typename U>
+    T zero_extend_cast(
+        const U val
+    )
+    /*!
+        requires
+            - U and T are integral types
+        ensures
+            - let ut be a typedef for unsigned_type<U>::type
+            - return static_cast<T>(static_cast<ut>(val));
+    !*/
+    {
+        typedef typename unsigned_type<U>::type ut;
+        return static_cast<T>(static_cast<ut>(val));
+    }
+
+}
+
+#endif // DLIB_UINtn_
+