///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
///             By making use of the Software for military purposes, you choose to make
///             a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref core
/// @file glm/detail/setup.hpp
/// @date 2006-11-13 / 2014-10-05
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

#pragma once

#include <cassert>
#include <cstddef>

///////////////////////////////////////////////////////////////////////////////////
// Version

#define GLM_VERSION                                     96
#define GLM_VERSION_MAJOR                       0
#define GLM_VERSION_MINOR                       9
#define GLM_VERSION_PATCH                       6
#define GLM_VERSION_REVISION            2

#if(defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_VERSION_DISPLAYED))
#       define GLM_MESSAGE_VERSION_DISPLAYED
#       pragma message ("GLM: version 0.9.6.2")
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// Platform

#define GLM_PLATFORM_UNKNOWN            0x00000000
#define GLM_PLATFORM_WINDOWS            0x00010000
#define GLM_PLATFORM_LINUX                      0x00020000
#define GLM_PLATFORM_APPLE                      0x00040000
//#define GLM_PLATFORM_IOS                      0x00080000
#define GLM_PLATFORM_ANDROID            0x00100000
#define GLM_PLATFORM_CHROME_NACL        0x00200000
#define GLM_PLATFORM_UNIX                       0x00400000
#define GLM_PLATFORM_QNXNTO                     0x00800000
#define GLM_PLATFORM_WINCE                      0x01000000

#ifdef GLM_FORCE_PLATFORM_UNKNOWN
#       define GLM_PLATFORM GLM_PLATFORM_UNKNOWN
#elif defined(__QNXNTO__)
#       define GLM_PLATFORM GLM_PLATFORM_QNXNTO
#elif defined(__APPLE__)
#       define GLM_PLATFORM GLM_PLATFORM_APPLE
#elif defined(WINCE)
#       define GLM_PLATFORM GLM_PLATFORM_WINCE
#elif defined(_WIN32)
#       define GLM_PLATFORM GLM_PLATFORM_WINDOWS
#elif defined(__native_client__)
#       define GLM_PLATFORM GLM_PLATFORM_CHROME_NACL
#elif defined(__ANDROID__)
#       define GLM_PLATFORM GLM_PLATFORM_ANDROID
#elif defined(__linux)
#       define GLM_PLATFORM GLM_PLATFORM_LINUX
#elif defined(__unix)
#       define GLM_PLATFORM GLM_PLATFORM_UNIX
#else
#       define GLM_PLATFORM GLM_PLATFORM_UNKNOWN
#endif//

// Report platform detection
#if(defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_PLATFORM_DISPLAYED))
#       define GLM_MESSAGE_PLATFORM_DISPLAYED
#       if(GLM_PLATFORM & GLM_PLATFORM_QNXNTO)
#               pragma message("GLM: QNX platform detected")
//#     elif(GLM_PLATFORM & GLM_PLATFORM_IOS)
//#             pragma message("GLM: iOS platform detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_APPLE)
#               pragma message("GLM: Apple platform detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_WINCE)
#               pragma message("GLM: WinCE platform detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_WINDOWS)
#               pragma message("GLM: Windows platform detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_CHROME_NACL)
#               pragma message("GLM: Native Client detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_ANDROID)
#               pragma message("GLM: Android platform detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_LINUX)
#               pragma message("GLM: Linux platform detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_UNIX)
#               pragma message("GLM: UNIX platform detected")
#       elif(GLM_PLATFORM & GLM_PLATFORM_UNKNOWN)
#               pragma message("GLM: platform unknown")
#       else
#               pragma message("GLM: platform not detected")
#       endif
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// Compiler

// User defines: GLM_FORCE_COMPILER_UNKNOWN
// TODO ? __llvm__

#define GLM_COMPILER_UNKNOWN            0x00000000

// Intel
#define GLM_COMPILER_INTEL                      0x00100000
#define GLM_COMPILER_INTEL12            0x00100010
#define GLM_COMPILER_INTEL12_1          0x00100020
#define GLM_COMPILER_INTEL13            0x00100030
#define GLM_COMPILER_INTEL14            0x00100040
#define GLM_COMPILER_INTEL15            0x00100050

// Visual C++ defines
#define GLM_COMPILER_VC                         0x01000000
#define GLM_COMPILER_VC2010                     0x01000090
#define GLM_COMPILER_VC2012                     0x010000A0
#define GLM_COMPILER_VC2013                     0x010000B0
#define GLM_COMPILER_VC2015                     0x010000C0

// GCC defines
#define GLM_COMPILER_GCC                        0x02000000
#define GLM_COMPILER_GCC44                      0x020000B0
#define GLM_COMPILER_GCC45                      0x020000C0
#define GLM_COMPILER_GCC46                      0x020000D0
#define GLM_COMPILER_GCC47                      0x020000E0
#define GLM_COMPILER_GCC48                      0x020000F0
#define GLM_COMPILER_GCC49                      0x02000100
#define GLM_COMPILER_GCC50                      0x02000200

// CUDA
#define GLM_COMPILER_CUDA                       0x10000000
#define GLM_COMPILER_CUDA40                     0x10000040
#define GLM_COMPILER_CUDA41                     0x10000050
#define GLM_COMPILER_CUDA42                     0x10000060
#define GLM_COMPILER_CUDA50                     0x10000070
#define GLM_COMPILER_CUDA60                     0x10000080
#define GLM_COMPILER_CUDA65                     0x10000090

// LLVM
#define GLM_COMPILER_LLVM                       0x20000000
#define GLM_COMPILER_LLVM32                     0x20000030
#define GLM_COMPILER_LLVM33                     0x20000040
#define GLM_COMPILER_LLVM34                     0x20000050
#define GLM_COMPILER_LLVM35                     0x20000060

// Apple Clang
#define GLM_COMPILER_APPLE_CLANG        0x40000000
#define GLM_COMPILER_APPLE_CLANG40      0x40000010
#define GLM_COMPILER_APPLE_CLANG41      0x40000020
#define GLM_COMPILER_APPLE_CLANG42      0x40000030
#define GLM_COMPILER_APPLE_CLANG50      0x40000040
#define GLM_COMPILER_APPLE_CLANG51      0x40000050
#define GLM_COMPILER_APPLE_CLANG60      0x40000060

// Build model
#define GLM_MODEL_32                            0x00000010
#define GLM_MODEL_64                            0x00000020

// Force generic C++ compiler
#ifdef GLM_FORCE_COMPILER_UNKNOWN
#       define GLM_COMPILER GLM_COMPILER_UNKNOWN

#elif defined(__INTEL_COMPILER)
#       if __INTEL_COMPILER == 1200
#               define GLM_COMPILER GLM_COMPILER_INTEL12
#       elif __INTEL_COMPILER == 1210
#               define GLM_COMPILER GLM_COMPILER_INTEL12_1
#       elif __INTEL_COMPILER == 1300
#               define GLM_COMPILER GLM_COMPILER_INTEL13
#       elif __INTEL_COMPILER == 1400
#               define GLM_COMPILER GLM_COMPILER_INTEL14
#       elif __INTEL_COMPILER >= 1500
#               define GLM_COMPILER GLM_COMPILER_INTEL15
#       else
#               define GLM_COMPILER GLM_COMPILER_INTEL
#       endif

// CUDA
#elif defined(__CUDACC__)
#       if !defined(CUDA_VERSION) && !defined(GLM_FORCE_CUDA)
#               include <cuda.h>  // make sure version is defined since nvcc does not define it itself!
#       endif
#       if CUDA_VERSION < 3000
#               error "GLM requires CUDA 3.0 or higher"
#       else
#               define GLM_COMPILER GLM_COMPILER_CUDA
#       endif

// Visual C++
#elif defined(_MSC_VER)
#       if _MSC_VER < 1600
#               error "GLM requires Visual C++ 2010 or higher"
#       elif _MSC_VER == 1600
#               define GLM_COMPILER GLM_COMPILER_VC2010
#       elif _MSC_VER == 1700
#               define GLM_COMPILER GLM_COMPILER_VC2012
#       elif _MSC_VER == 1800
#               define GLM_COMPILER GLM_COMPILER_VC2013
#       elif _MSC_VER >= 1900
#               define GLM_COMPILER GLM_COMPILER_VC2015
#       else//_MSC_VER
#               define GLM_COMPILER GLM_COMPILER_VC
#       endif//_MSC_VER

// Clang
#elif defined(__clang__)
#       if GLM_PLATFORM & GLM_PLATFORM_APPLE
#               if __clang_major__ == 4 && __clang_minor__ == 0
#                       define GLM_COMPILER GLM_COMPILER_APPLE_CLANG40
#               elif __clang_major__ == 4 && __clang_minor__ == 1
#                       define GLM_COMPILER GLM_COMPILER_APPLE_CLANG41
#               elif __clang_major__ == 4 && __clang_minor__ == 2
#                       define GLM_COMPILER GLM_COMPILER_APPLE_CLANG42
#               elif __clang_major__ == 5 && __clang_minor__ == 0
#                       define GLM_COMPILER GLM_COMPILER_APPLE_CLANG50
#               elif __clang_major__ == 5 && __clang_minor__ == 1
#                       define GLM_COMPILER GLM_COMPILER_APPLE_CLANG51
#               elif __clang_major__ >= 6
#                       define GLM_COMPILER GLM_COMPILER_APPLE_CLANG60
#               endif
#       else
#               if __clang_major__ == 3 && __clang_minor__ == 0
#                       define GLM_COMPILER GLM_COMPILER_LLVM30
#               elif __clang_major__ == 3 && __clang_minor__ == 1
#                       define GLM_COMPILER GLM_COMPILER_LLVM31
#               elif __clang_major__ == 3 && __clang_minor__ == 2
#                       define GLM_COMPILER GLM_COMPILER_LLVM32
#               elif __clang_major__ == 3 && __clang_minor__ == 3
#                       define GLM_COMPILER GLM_COMPILER_LLVM33
#               elif __clang_major__ == 3 && __clang_minor__ == 4
#                       define GLM_COMPILER GLM_COMPILER_LLVM34
#               elif __clang_major__ == 3 && __clang_minor__ == 5
#                       define GLM_COMPILER GLM_COMPILER_LLVM35
#               else
#                       define GLM_COMPILER GLM_COMPILER_LLVM35
#               endif
#       endif

// G++
#elif defined(__GNUC__) || defined(__MINGW32__)
#       if (__GNUC__ == 4) && (__GNUC_MINOR__ == 2)
#               define GLM_COMPILER (GLM_COMPILER_GCC42)
#       elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 3)
#               define GLM_COMPILER (GLM_COMPILER_GCC43)
#       elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 4)
#               define GLM_COMPILER (GLM_COMPILER_GCC44)
#       elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 5)
#               define GLM_COMPILER (GLM_COMPILER_GCC45)
#       elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 6)
#               define GLM_COMPILER (GLM_COMPILER_GCC46)
#       elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 7)
#               define GLM_COMPILER (GLM_COMPILER_GCC47)
#       elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 8)
#               define GLM_COMPILER (GLM_COMPILER_GCC48)
#       elif (__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)
#               define GLM_COMPILER (GLM_COMPILER_GCC49)
#       elif (__GNUC__ > 4 )
#               define GLM_COMPILER (GLM_COMPILER_GCC50)
#       else
#               define GLM_COMPILER (GLM_COMPILER_GCC)
#       endif

#else
#       define GLM_COMPILER GLM_COMPILER_UNKNOWN
#endif

#ifndef GLM_COMPILER
#error "GLM_COMPILER undefined, your compiler may not be supported by GLM. Add #define GLM_COMPILER 0 to ignore this message."
#endif//GLM_COMPILER

// Report compiler detection
#if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_COMPILER_DISPLAYED)
#       define GLM_MESSAGE_COMPILER_DISPLAYED
#       if GLM_COMPILER & GLM_COMPILER_CUDA
#               pragma message("GLM: CUDA compiler detected")
#       elif GLM_COMPILER & GLM_COMPILER_VC
#               pragma message("GLM: Visual C++ compiler detected")
#       elif GLM_COMPILER & GLM_COMPILER_APPLE_CLANG
#               pragma message("GLM: Clang compiler detected")
#       elif GLM_COMPILER & GLM_COMPILER_LLVM
#               pragma message("GLM: LLVM compiler detected")
#       elif GLM_COMPILER & GLM_COMPILER_INTEL
#               pragma message("GLM: Intel Compiler detected")
#       elif GLM_COMPILER & GLM_COMPILER_GCC
#               pragma message("GLM: GCC compiler detected")
#       else
#               pragma message("GLM: Compiler not detected")
#       endif
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// Build model

#if defined(__arch64__) || defined(__LP64__) || defined(_M_X64) || defined(__ppc64__) || defined(__x86_64__)
#               define GLM_MODEL        GLM_MODEL_64
#elif defined(__i386__) || defined(__ppc__)
#       define GLM_MODEL        GLM_MODEL_32
#else
#       define GLM_MODEL        GLM_MODEL_32
#endif//

#if !defined(GLM_MODEL) && GLM_COMPILER != 0
#       error "GLM_MODEL undefined, your compiler may not be supported by GLM. Add #define GLM_MODEL 0 to ignore this message."
#endif//GLM_MODEL

#if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_MODEL_DISPLAYED)
#       define GLM_MESSAGE_MODEL_DISPLAYED
#       if(GLM_MODEL == GLM_MODEL_64)
#               pragma message("GLM: 64 bits model")
#       elif(GLM_MODEL == GLM_MODEL_32)
#               pragma message("GLM: 32 bits model")
#       endif//GLM_MODEL
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// C++ Version

// User defines: GLM_FORCE_CXX98, GLM_FORCE_CXX03, GLM_FORCE_CXX11, GLM_FORCE_CXX14

#define GLM_LANG_CXX98_FLAG                     (1 << 1)
#define GLM_LANG_CXX03_FLAG                     (1 << 2)
#define GLM_LANG_CXX0X_FLAG                     (1 << 3)
#define GLM_LANG_CXX11_FLAG                     (1 << 4)
#define GLM_LANG_CXX1Y_FLAG                     (1 << 5)
#define GLM_LANG_CXX14_FLAG                     (1 << 6)
#define GLM_LANG_CXX1Z_FLAG                     (1 << 7)
#define GLM_LANG_CXXMS_FLAG                     (1 << 8)
#define GLM_LANG_CXXGNU_FLAG            (1 << 9)

#define GLM_LANG_CXX98                  GLM_LANG_CXX98_FLAG
#define GLM_LANG_CXX03                  (GLM_LANG_CXX98 | GLM_LANG_CXX03_FLAG)
#define GLM_LANG_CXX0X                  (GLM_LANG_CXX03 | GLM_LANG_CXX0X_FLAG)
#define GLM_LANG_CXX11                  (GLM_LANG_CXX0X | GLM_LANG_CXX11_FLAG)
#define GLM_LANG_CXX1Y                  (GLM_LANG_CXX11 | GLM_LANG_CXX1Y_FLAG)
#define GLM_LANG_CXX14                  (GLM_LANG_CXX1Y | GLM_LANG_CXX14_FLAG)
#define GLM_LANG_CXX1Z                  (GLM_LANG_CXX14 | GLM_LANG_CXX1Z_FLAG)
#define GLM_LANG_CXXMS                  GLM_LANG_CXXMS_FLAG
#define GLM_LANG_CXXGNU                 GLM_LANG_CXXGNU_FLAG

#if defined(GLM_FORCE_CXX14)
#       undef GLM_FORCE_CXX11
#       undef GLM_FORCE_CXX03
#       undef GLM_FORCE_CXX98
#       define GLM_LANG GLM_LANG_CXX14
#elif defined(GLM_FORCE_CXX11)
#       undef GLM_FORCE_CXX03
#       undef GLM_FORCE_CXX98
#       define GLM_LANG GLM_LANG_CXX11
#elif defined(GLM_FORCE_CXX03)
#       undef GLM_FORCE_CXX98
#       define GLM_LANG GLM_LANG_CXX03
#elif defined(GLM_FORCE_CXX98)
#       define GLM_LANG GLM_LANG_CXX98
#else
#       if GLM_COMPILER & (GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM)
#               if __cplusplus >= 201402L // GLM_COMPILER_LLVM34 + -std=c++14
#                       define GLM_LANG GLM_LANG_CXX14
#               elif __has_feature(cxx_decltype_auto) && __has_feature(cxx_aggregate_nsdmi) // GLM_COMPILER_LLVM33 + -std=c++1y
#                       define GLM_LANG GLM_LANG_CXX1Y
#               elif __cplusplus >= 201103L // GLM_COMPILER_LLVM33 + -std=c++11
#                       define GLM_LANG GLM_LANG_CXX11
#               elif __has_feature(cxx_static_assert) // GLM_COMPILER_LLVM29 + -std=c++11
#                       define GLM_LANG GLM_LANG_CXX0X
#               elif __cplusplus >= 199711L
#                       define GLM_LANG GLM_LANG_CXX98
#               else
#                       define GLM_LANG GLM_LANG_CXX
#               endif
#       elif GLM_COMPILER & GLM_COMPILER_GCC
#               if __cplusplus >= 201402L
#                       define GLM_LANG GLM_LANG_CXX14
#               elif __cplusplus >= 201103L
#                       define GLM_LANG GLM_LANG_CXX11
#               elif defined(__GXX_EXPERIMENTAL_CXX0X__)
#                       define GLM_LANG GLM_LANG_CXX0X
#               else
#                       define GLM_LANG GLM_LANG_CXX98
#               endif
#       elif GLM_COMPILER & GLM_COMPILER_VC
#               ifdef _MSC_EXTENSIONS
#                       if __cplusplus >= 201402L
#                               define GLM_LANG (GLM_LANG_CXX14 | GLM_LANG_CXXMS_FLAG)
//#                     elif GLM_COMPILER >= GLM_COMPILER_VC2015
//#                             define GLM_LANG (GLM_LANG_CXX1Y | GLM_LANG_CXXMS_FLAG)
#                       elif __cplusplus >= 201103L
#                               define GLM_LANG (GLM_LANG_CXX11 | GLM_LANG_CXXMS_FLAG)
#                       elif GLM_COMPILER >= GLM_COMPILER_VC2010
#                               define GLM_LANG (GLM_LANG_CXX0X | GLM_LANG_CXXMS_FLAG)
#                       elif __cplusplus >= 199711L
#                               define GLM_LANG (GLM_LANG_CXX98 | GLM_LANG_CXXMS_FLAG)
#                       else
#                               define GLM_LANG (GLM_LANG_CXX | GLM_LANG_CXXMS_FLAG)
#                       endif
#               else
#                       if __cplusplus >= 201402L
#                               define GLM_LANG GLM_LANG_CXX14
//#                     elif GLM_COMPILER >= GLM_COMPILER_VC2015
//#                             define GLM_LANG GLM_LANG_CXX1Y
#                       elif __cplusplus >= 201103L
#                               define GLM_LANG GLM_LANG_CXX11
#                       elif GLM_COMPILER >= GLM_COMPILER_VC2010
#                               define GLM_LANG GLM_LANG_CXX0X
#                       elif __cplusplus >= 199711L
#                               define GLM_LANG GLM_LANG_CXX98
#                       else
#                               define GLM_LANG GLM_LANG_CXX
#                       endif
#               endif
#       elif GLM_COMPILER & GLM_COMPILER_INTEL
#               ifdef _MSC_EXTENSIONS
#                       if __cplusplus >= 201402L
#                               define GLM_LANG (GLM_LANG_CXX14 | GLM_LANG_CXXMS_FLAG)
#                       elif __cplusplus >= 201103L
#                               define GLM_LANG (GLM_LANG_CXX11 | GLM_LANG_CXXMS_FLAG)
#                       elif GLM_COMPILER >= GLM_COMPILER_INTEL13
#                               define GLM_LANG (GLM_LANG_CXX0X | GLM_LANG_CXXMS_FLAG)
#                       elif __cplusplus >= 199711L
#                               define GLM_LANG (GLM_LANG_CXX98 | GLM_LANG_CXXMS_FLAG)
#                       else
#                               define GLM_LANG (GLM_LANG_CXX | GLM_LANG_CXXMS_FLAG)
#                       endif
#               else
#                       if __cplusplus >= 201402L
#                               define GLM_LANG (GLM_LANG_CXX14 | GLM_LANG_CXXMS_FLAG)
#                       elif __cplusplus >= 201103L
#                               define GLM_LANG (GLM_LANG_CXX11 | GLM_LANG_CXXMS_FLAG)
#                       elif GLM_COMPILER >= GLM_COMPILER_INTEL13
#                               define GLM_LANG (GLM_LANG_CXX0X | GLM_LANG_CXXMS_FLAG)
#                       elif __cplusplus >= 199711L
#                               define GLM_LANG (GLM_LANG_CXX98 | GLM_LANG_CXXMS_FLAG)
#                       else
#                               define GLM_LANG (GLM_LANG_CXX | GLM_LANG_CXXMS_FLAG)
#                       endif
#               endif
#       else // Unkown compiler
#               if __cplusplus >= 201402L
#                       define GLM_LANG GLM_LANG_CXX14
#               elif __cplusplus >= 201103L
#                       define GLM_LANG GLM_LANG_CXX11
#               elif __cplusplus >= 199711L
#                       define GLM_LANG GLM_LANG_CXX98
#               else
#                       define GLM_LANG GLM_LANG_CXX // Good luck with that!
#               endif
#               ifndef GLM_FORCE_PURE
#                       define GLM_FORCE_PURE
#               endif
#       endif
#endif

#if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_LANG_DISPLAYED)
#       define GLM_MESSAGE_LANG_DISPLAYED

#       if GLM_LANG & GLM_LANG_CXX1Z_FLAG
#               pragma message("GLM: C++1z")
#       elif GLM_LANG & GLM_LANG_CXX14_FLAG
#               pragma message("GLM: C++14")
#       elif GLM_LANG & GLM_LANG_CXX1Y_FLAG
#               pragma message("GLM: C++1y")
#       elif GLM_LANG & GLM_LANG_CXX11_FLAG
#               pragma message("GLM: C++11")
#       elif GLM_LANG & GLM_LANG_CXX0X_FLAG
#               pragma message("GLM: C++0x")
#       elif GLM_LANG & GLM_LANG_CXX03_FLAG
#               pragma message("GLM: C++03")
#       elif GLM_LANG & GLM_LANG_CXX98_FLAG
#               pragma message("GLM: C++98")
#       else
#               pragma message("GLM: C++ language undetected")
#       endif//GLM_LANG

#       if GLM_LANG & (GLM_LANG_CXXGNU_FLAG | GLM_LANG_CXXMS_FLAG)
#               pragma message("GLM: Language extensions enabled")
#       endif//GLM_LANG
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// Has of C++ features

#ifndef __has_include
#       define __has_include(x) 0  // Compatibility with non-clang compilers.
#endif
#ifndef __has_feature
#       define __has_feature(x) 0  // Compatibility with non-clang compilers.
#endif
#ifndef __has_extension
#       define __has_extension __has_feature // Compatibility with pre-3.0 compilers.
#endif

// http://clang.llvm.org/cxx_status.html
// http://gcc.gnu.org/projects/cxx0x.html
// http://msdn.microsoft.com/en-us/library/vstudio/hh567368(v=vs.120).aspx

// N1720
#define GLM_HAS_CXX11_STL !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ((GLM_PLATFORM != GLM_PLATFORM_ANDROID) && (\
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC48)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)) || \
        __has_include(<__config>)))


// N1720
#define GLM_HAS_STATIC_ASSERT !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2010)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)) || \
        __has_feature(cxx_static_assert))


// N1988
#define GLM_HAS_EXTENDED_INTEGER_TYPE !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2012)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_LLVM) && (GLM_COMPILER >= GLM_COMPILER_LLVM30)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_APPLE_CLANG) && (GLM_COMPILER >= GLM_COMPILER_APPLE_CLANG40)))


// N2235
#define GLM_HAS_CONSTEXPR !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC46)) || \
        __has_feature(cxx_constexpr))


// N2672
#define GLM_HAS_INITIALIZER_LISTS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013))) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC44)) || \
        __has_feature(cxx_generalized_initializers))


// N2544 Unrestricted unions
#define GLM_HAS_UNRESTRICTED_UNIONS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        (GLM_LANG & GLM_LANG_CXXMS_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC46)) || \
        __has_feature(cxx_unrestricted_unions))


// N2346
#define GLM_HAS_DEFAULTED_FUNCTIONS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC44)) || \
        __has_feature(cxx_defaulted_functions))


// N2118
#define GLM_HAS_RVALUE_REFERENCES !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2012)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)) || \
        __has_feature(cxx_rvalue_references))


// N2437
#define GLM_HAS_EXPLICIT_CONVERSION_OPERATORS !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_COMPILER >= GLM_COMPILER_INTEL14)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC45)) || \
        __has_feature(cxx_explicit_conversions))


#define GLM_HAS_STL_ARRAY !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2010)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC43)))


#define GLM_HAS_TEMPLATE_ALIASES !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013))) || \
        __has_feature(cxx_alias_templates))


#define GLM_HAS_RANGE_FOR !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2012)) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC46)) || \
        __has_feature(cxx_range_for))


#define GLM_HAS_ASSIGNABLE !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_LANG & GLM_LANG_CXX0X_FLAG) && (GLM_COMPILER & GLM_COMPILER_GCC) && (GLM_COMPILER >= GLM_COMPILER_GCC49)))


#define GLM_HAS_TRIVIAL_QUERIES !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)))


#define GLM_HAS_MAKE_SIGNED !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && ( \
        (GLM_LANG & GLM_LANG_CXX11_FLAG) || \
        ((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2013)))


#define GLM_HAS_BITSCAN_WINDOWS ( \
        (GLM_ARCH != GLM_ARCH_PURE) && \
        (GLM_PLATFORM & GLM_PLATFORM_WINDOWS) && \
        (GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_LLVM | GLM_COMPILER_INTEL)))


// OpenMP
#ifdef _OPENMP
#       if GLM_COMPILER & GLM_COMPILER_GCC
#               if GLM_COMPILER >= GLM_COMPILER_GCC47
#                       define GLM_HAS_OPENMP 31
#               elif GLM_COMPILER >= GLM_COMPILER_GCC44
#                       define GLM_HAS_OPENMP 30
#               elif GLM_COMPILER >= GLM_COMPILER_GCC42
#                       define GLM_HAS_OPENMP 25
#               endif
#       endif// GLM_COMPILER & GLM_COMPILER_GCC

#       if GLM_COMPILER & GLM_COMPILER_VC
#               if GLM_COMPILER >= GLM_COMPILER_VC2010
#                       define GLM_HAS_OPENMP 20
#               endif
#       endif// GLM_COMPILER & GLM_COMPILER_VC
#endif

// Not standard
#define GLM_HAS_ANONYMOUS_UNION !defined(GLM_FORCE_CXX98) && !defined(GLM_FORCE_CXX03) && (GLM_LANG & GLM_LANG_CXXMS_FLAG)

///////////////////////////////////////////////////////////////////////////////////
// Platform

// User defines: GLM_FORCE_PURE GLM_FORCE_SSE2 GLM_FORCE_SSE3 GLM_FORCE_AVX GLM_FORCE_AVX2

#define GLM_ARCH_PURE           0x0000
#define GLM_ARCH_ARM            0x0001
#define GLM_ARCH_X86            0x0002
#define GLM_ARCH_SSE2           0x0004
#define GLM_ARCH_SSE3           0x0008
#define GLM_ARCH_SSE4           0x0010
#define GLM_ARCH_AVX            0x0020
#define GLM_ARCH_AVX2           0x0040

#if defined(GLM_FORCE_PURE)
#       define GLM_ARCH GLM_ARCH_PURE
#elif defined(GLM_FORCE_AVX2)
#       define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#elif defined(GLM_FORCE_AVX)
#       define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#elif defined(GLM_FORCE_SSE4)
#       define GLM_ARCH (GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#elif defined(GLM_FORCE_SSE3)
#       define GLM_ARCH (GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#elif defined(GLM_FORCE_SSE2)
#       define GLM_ARCH (GLM_ARCH_SSE2)
#elif (GLM_COMPILER & (GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM | GLM_COMPILER_GCC)) || ((GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_PLATFORM & GLM_PLATFORM_LINUX))
#       if(__AVX2__)
#               define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif(__AVX__)
#               define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif(__SSE3__)
#               define GLM_ARCH (GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif(__SSE2__)
#               define GLM_ARCH (GLM_ARCH_SSE2)
#       else
#               define GLM_ARCH GLM_ARCH_PURE
#       endif
#elif (GLM_COMPILER & GLM_COMPILER_VC) || ((GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_PLATFORM & GLM_PLATFORM_WINDOWS))
#       if defined(_M_ARM_FP)
#               define GLM_ARCH (GLM_ARCH_ARM)
#       elif defined(__AVX2__)
#               define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif defined(__AVX__)
#               define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif _M_IX86_FP == 2
#               define GLM_ARCH (GLM_ARCH_SSE2)
#       else
#               define GLM_ARCH (GLM_ARCH_PURE)
#       endif
#elif (GLM_COMPILER & GLM_COMPILER_GCC) && (defined(__i386__) || defined(__x86_64__))
#       if defined(__AVX2__)
#               define GLM_ARCH (GLM_ARCH_AVX2 | GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif defined(__AVX__)
#               define GLM_ARCH (GLM_ARCH_AVX | GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif defined(__SSE4_1__ )
#               define GLM_ARCH (GLM_ARCH_SSE4 | GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif defined(__SSE3__)
#               define GLM_ARCH (GLM_ARCH_SSE3 | GLM_ARCH_SSE2)
#       elif defined(__SSE2__)
#               define GLM_ARCH (GLM_ARCH_SSE2)
#       else
#               define GLM_ARCH (GLM_ARCH_PURE)
#       endif
#else
#       define GLM_ARCH GLM_ARCH_PURE
#endif

// With MinGW-W64, including intrinsic headers before intrin.h will produce some errors. The problem is
// that windows.h (and maybe other headers) will silently include intrin.h, which of course causes problems.
// To fix, we just explicitly include intrin.h here.
#if defined(__MINGW32__) && (GLM_ARCH != GLM_ARCH_PURE)
#       include <x86intrin.h>
#endif

#if GLM_ARCH & GLM_ARCH_AVX2
#       include <immintrin.h>
#endif//GLM_ARCH
#if GLM_ARCH & GLM_ARCH_AVX
#       include <immintrin.h>
#endif//GLM_ARCH
#if GLM_ARCH & GLM_ARCH_SSE4
#       include <smmintrin.h>
#endif//GLM_ARCH
#if GLM_ARCH & GLM_ARCH_SSE3
#       include <pmmintrin.h>
#endif//GLM_ARCH
#if GLM_ARCH & GLM_ARCH_SSE2
#       include <emmintrin.h>
#       if(GLM_COMPILER == GLM_COMPILER_VC2005) // VC2005 is missing some intrinsics, workaround
                inline float _mm_cvtss_f32(__m128 A) { return A.m128_f32[0]; }
                inline __m128 _mm_castpd_ps(__m128d PD) { union { __m128 ps; __m128d pd; } c; c.pd = PD; return c.ps; }
                inline __m128d _mm_castps_pd(__m128 PS) { union { __m128 ps; __m128d pd; } c; c.ps = PS; return c.pd; }
                inline __m128i _mm_castps_si128(__m128 PS) { union { __m128 ps; __m128i pi; } c; c.ps = PS; return c.pi; }
                inline __m128 _mm_castsi128_ps(__m128i PI) { union { __m128 ps; __m128i pi; } c; c.pi = PI; return c.ps; }
#       endif
#endif//GLM_ARCH

#if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_ARCH_DISPLAYED)
#       define GLM_MESSAGE_ARCH_DISPLAYED
#       if(GLM_ARCH == GLM_ARCH_PURE)
#               pragma message("GLM: Platform independent code")
#       elif(GLM_ARCH & GLM_ARCH_ARM)
#               pragma message("GLM: ARM instruction set")
#       elif(GLM_ARCH & GLM_ARCH_AVX2)
#               pragma message("GLM: AVX2 instruction set")
#       elif(GLM_ARCH & GLM_ARCH_AVX)
#               pragma message("GLM: AVX instruction set")
#       elif(GLM_ARCH & GLM_ARCH_SSE3)
#               pragma message("GLM: SSE3 instruction set")
#       elif(GLM_ARCH & GLM_ARCH_SSE2)
#               pragma message("GLM: SSE2 instruction set")
#       endif//GLM_ARCH
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// Static assert

#if GLM_HAS_STATIC_ASSERT
#       define GLM_STATIC_ASSERT(x, message) static_assert(x, message)
#elif defined(BOOST_STATIC_ASSERT)
#       define GLM_STATIC_ASSERT(x, message) BOOST_STATIC_ASSERT(x)
#elif GLM_COMPILER & GLM_COMPILER_VC
#       define GLM_STATIC_ASSERT(x, message) typedef char __CASSERT__##__LINE__[(x) ? 1 : -1]
#else
#       define GLM_STATIC_ASSERT(x, message)
#       define GLM_STATIC_ASSERT_NULL
#endif//GLM_LANG

///////////////////////////////////////////////////////////////////////////////////
// Qualifiers

#if GLM_COMPILER & GLM_COMPILER_CUDA
#       define GLM_CUDA_FUNC_DEF __device__ __host__
#       define GLM_CUDA_FUNC_DECL __device__ __host__
#else
#       define GLM_CUDA_FUNC_DEF
#       define GLM_CUDA_FUNC_DECL
#endif

#if GLM_COMPILER & GLM_COMPILER_GCC
#       define GLM_VAR_USED __attribute__ ((unused))
#else
#       define GLM_VAR_USED
#endif

#if defined(GLM_FORCE_INLINE)
#       if GLM_COMPILER & GLM_COMPILER_VC
#               define GLM_INLINE __forceinline
#               define GLM_NEVER_INLINE __declspec((noinline))
#       elif GLM_COMPILER & GLM_COMPILER_GCC
#               define GLM_INLINE inline __attribute__((__always_inline__))
#               define GLM_NEVER_INLINE __attribute__((__noinline__))
#       elif GLM_COMPILER & (GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM)
#               define GLM_INLINE __attribute__((__always_inline__))
#               define GLM_NEVER_INLINE __attribute__((__noinline__))
#       else
#               define GLM_INLINE inline
#               define GLM_NEVER_INLINE
#       endif//GLM_COMPILER
#else
#       define GLM_INLINE inline
#       define GLM_NEVER_INLINE
#endif//defined(GLM_FORCE_INLINE)

#define GLM_FUNC_DECL GLM_CUDA_FUNC_DECL
#define GLM_FUNC_QUALIFIER GLM_CUDA_FUNC_DEF GLM_INLINE

///////////////////////////////////////////////////////////////////////////////////
// Swizzle operators

// User defines: GLM_SWIZZLE

#if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_SWIZZLE_DISPLAYED)
#       define GLM_MESSAGE_SWIZZLE_DISPLAYED
#       if defined(GLM_SWIZZLE)
#               pragma message("GLM: Swizzling operators enabled")
#       else
#               pragma message("GLM: Swizzling operators disabled, #define GLM_SWIZZLE to enable swizzle operators")
#       endif
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// Qualifiers

#if (GLM_COMPILER & GLM_COMPILER_VC) || ((GLM_COMPILER & GLM_COMPILER_INTEL) && (GLM_PLATFORM & GLM_PLATFORM_WINDOWS))
#       define GLM_DEPRECATED __declspec(deprecated)
#       define GLM_ALIGN(x) __declspec(align(x))
#       define GLM_ALIGNED_STRUCT(x) struct __declspec(align(x))
#       define GLM_ALIGNED_TYPEDEF(type, name, alignment) typedef __declspec(align(alignment)) type name
#       define GLM_RESTRICT __declspec(restrict)
#       define GLM_RESTRICT_VAR __restrict
#elif GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_APPLE_CLANG | GLM_COMPILER_LLVM | GLM_COMPILER_CUDA | GLM_COMPILER_INTEL)
#       define GLM_DEPRECATED __attribute__((__deprecated__))
#       define GLM_ALIGN(x) __attribute__((aligned(x)))
#       define GLM_ALIGNED_STRUCT(x) struct __attribute__((aligned(x)))
#       define GLM_ALIGNED_TYPEDEF(type, name, alignment) typedef type name __attribute__((aligned(alignment)))
#       define GLM_RESTRICT __restrict__
#       define GLM_RESTRICT_VAR __restrict__
#else
#       define GLM_DEPRECATED
#       define GLM_ALIGN
#       define GLM_ALIGNED_STRUCT(x) struct
#       define GLM_ALIGNED_TYPEDEF(type, name, alignment) typedef type name
#       define GLM_RESTRICT
#       define GLM_RESTRICT_VAR
#endif//GLM_COMPILER

#if GLM_HAS_CONSTEXPR
#       define GLM_CONSTEXPR constexpr
#else
#       define GLM_CONSTEXPR
#endif

///////////////////////////////////////////////////////////////////////////////////
// Length type

// User defines: GLM_FORCE_SIZE_T_LENGTH GLM_FORCE_SIZE_FUNC

namespace glm
{
        using std::size_t;
#       if defined(GLM_FORCE_SIZE_T_LENGTH) || defined(GLM_FORCE_SIZE_FUNC)
                typedef size_t length_t;
#       else
                typedef int length_t;
#       endif

namespace detail
{
#       ifdef GLM_FORCE_SIZE_FUNC
                typedef size_t component_count_t;
#       else
                typedef length_t component_count_t;
#       endif

        template <typename genType>
        GLM_FUNC_QUALIFIER GLM_CONSTEXPR component_count_t component_count(genType const & m)
        {
#               ifdef GLM_FORCE_SIZE_FUNC
                        return m.size();
#               else
                        return m.length();
#               endif
        }
}//namespace detail
}//namespace glm

#if defined(GLM_MESSAGES) && !defined(GLM_MESSAGE_FORCE_SIZE_T_LENGTH)
#       define GLM_MESSAGE_FORCE_SIZE_T_LENGTH
#       if defined GLM_FORCE_SIZE_FUNC
#               pragma message("GLM: .length() is replaced by .size() and returns a std::size_t")
#       elif defined GLM_FORCE_SIZE_T_LENGTH
#               pragma message("GLM: .length() returns glm::length_t, a typedef of std::size_t")
#       else
#               pragma message("GLM: .length() returns glm::length_t, a typedef of int following the GLSL specification")
#       endif
#endif//GLM_MESSAGE

///////////////////////////////////////////////////////////////////////////////////
// Uninitialize constructors

namespace glm
{
        enum ctor{uninitialize};
}//namespace glm