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glm/glm/core/_detail.hpp

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///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2012 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.
///
/// 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/core/_detail.hpp
/// @date 2008-07-24 / 2011-06-14
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
#ifndef glm_core_detail
#define glm_core_detail
#include "setup.hpp"
#include <cassert>
#if(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L))
#include <cstdint>
#endif
namespace glm{
namespace detail
{
class half;
#if(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) // C99 detected, 64 bit types available
typedef int64_t sint64;
typedef uint64_t uint64;
#elif(GLM_COMPILER & GLM_COMPILER_VC)
typedef signed __int64 sint64;
typedef unsigned __int64 uint64;
#elif(GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_LLVM_GCC | GLM_COMPILER_CLANG))
__extension__ typedef signed long long sint64;
__extension__ typedef unsigned long long uint64;
#elif(GLM_COMPILER & GLM_COMPILER_BC)
typedef Int64 sint64;
typedef Uint64 uint64;
#else//unknown compiler
typedef signed long long sint64;
typedef unsigned long long uint64;
#endif//GLM_COMPILER
template<bool C>
struct If
{
template<typename F, typename T>
static GLM_FUNC_QUALIFIER T apply(F functor, const T& val)
{
return functor(val);
}
};
template<>
struct If<false>
{
template<typename F, typename T>
static GLM_FUNC_QUALIFIER T apply(F, const T& val)
{
return val;
}
};
//template <typename T>
//struct traits
//{
// static const bool is_signed = false;
// static const bool is_float = false;
// static const bool is_vector = false;
// static const bool is_matrix = false;
// static const bool is_genType = false;
// static const bool is_genIType = false;
// static const bool is_genUType = false;
//};
//template <>
//struct traits<half>
//{
// static const bool is_float = true;
// static const bool is_genType = true;
//};
//template <>
//struct traits<float>
//{
// static const bool is_float = true;
// static const bool is_genType = true;
//};
//template <>
//struct traits<double>
//{
// static const bool is_float = true;
// static const bool is_genType = true;
//};
//template <typename genType>
//struct desc
//{
// typedef genType type;
// typedef genType * pointer;
// typedef genType const* const_pointer;
// typedef genType const *const const_pointer_const;
// typedef genType *const pointer_const;
// typedef genType & reference;
// typedef genType const& const_reference;
// typedef genType const& param_type;
// typedef typename genType::value_type value_type;
// typedef typename genType::size_type size_type;
// static const typename size_type value_size;
//};
//template <typename genType>
//const typename desc<genType>::size_type desc<genType>::value_size = genType::value_size();
union uif32
{
GLM_FUNC_QUALIFIER uif32() :
i(0)
{}
GLM_FUNC_QUALIFIER uif32(float f) :
f(f)
{}
GLM_FUNC_QUALIFIER uif32(unsigned int i) :
i(i)
{}
float f;
unsigned int i;
};
union uif64
{
GLM_FUNC_QUALIFIER uif64() :
i(0)
{}
GLM_FUNC_QUALIFIER uif64(double f) :
f(f)
{}
GLM_FUNC_QUALIFIER uif64(uint64 i) :
i(i)
{}
double f;
uint64 i;
};
typedef uif32 uif;
//////////////////
// int
template <typename T>
struct is_int
{
enum is_int_enum
{
_YES = 0,
_NO = 1
};
};
#define GLM_DETAIL_IS_INT(T) \
template <> \
struct is_int<T> \
{ \
enum is_int_enum \
{ \
_YES = 1, \
_NO = 0 \
}; \
}
//////////////////
// uint
template <typename T>
struct is_uint
{
enum is_uint_enum
{
_YES = 0,
_NO = 1
};
};
#define GLM_DETAIL_IS_UINT(T) \
template <> \
struct is_uint<T> \
{ \
enum is_uint_enum \
{ \
_YES = 1, \
_NO = 0 \
}; \
}
//GLM_DETAIL_IS_UINT(unsigned long long)
//////////////////
// float
template <typename T>
struct is_float
{
enum is_float_enum
{
_YES = 0,
_NO = 1
};
};
#define GLM_DETAIL_IS_FLOAT(T) \
template <> \
struct is_float<T> \
{ \
enum is_float_enum \
{ \
_YES = 1, \
_NO = 0 \
}; \
}
GLM_DETAIL_IS_FLOAT(detail::half);
GLM_DETAIL_IS_FLOAT(float);
GLM_DETAIL_IS_FLOAT(double);
GLM_DETAIL_IS_FLOAT(long double);
//////////////////
// bool
template <typename T>
struct is_bool
{
enum is_bool_enum
{
_YES = 0,
_NO = 1
};
};
template <>
struct is_bool<bool>
{
enum is_bool_enum
{
_YES = 1,
_NO = 0
};
};
//////////////////
// vector
template <typename T>
struct is_vector
{
enum is_vector_enum
{
_YES = 0,
_NO = 1
};
};
# define GLM_DETAIL_IS_VECTOR(TYPE) \
template <typename T> \
struct is_vector<TYPE<T> > \
{ \
enum is_vector_enum \
{ \
_YES = 1, \
_NO = 0 \
}; \
}
//////////////////
// matrix
template <typename T>
struct is_matrix
{
enum is_matrix_enum
{
_YES = 0,
_NO = 1
};
};
#define GLM_DETAIL_IS_MATRIX(T) \
template <> \
struct is_matrix \
{ \
enum is_matrix_enum \
{ \
_YES = 1, \
_NO = 0 \
}; \
}
//////////////////
// type
template <typename T>
struct type
{
enum type_enum
{
is_float = is_float<T>::_YES,
is_int = is_int<T>::_YES,
is_uint = is_uint<T>::_YES,
is_bool = is_bool<T>::_YES
};
};
//////////////////
// type
typedef signed char int8;
typedef signed short int16;
typedef signed int int32;
typedef detail::sint64 int64;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned int uint32;
typedef detail::uint64 uint64;
typedef detail::half float16;
typedef float float32;
typedef double float64;
//////////////////
// float_or_int_trait
struct float_or_int_value
{
enum
{
GLM_ERROR,
GLM_FLOAT,
GLM_INT
};
};
template <typename T>
struct float_or_int_trait
{
enum{ID = float_or_int_value::GLM_ERROR};
};
template <>
struct float_or_int_trait<int8>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<int16>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<int32>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<int64>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<uint8>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<uint16>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<uint32>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<uint64>
{
enum{ID = float_or_int_value::GLM_INT};
};
template <>
struct float_or_int_trait<float16>
{
enum{ID = float_or_int_value::GLM_FLOAT};
};
template <>
struct float_or_int_trait<float32>
{
enum{ID = float_or_int_value::GLM_FLOAT};
};
template <>
struct float_or_int_trait<float64>
{
enum{ID = float_or_int_value::GLM_FLOAT};
};
}//namespace detail
}//namespace glm
#if((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2005))
# define GLM_DEPRECATED __declspec(deprecated)
# define GLM_ALIGN(x) __declspec(align(x))
# define GLM_ALIGNED_STRUCT(x) __declspec(align(x)) struct
# define GLM_RESTRICT __declspec(restrict)
# define GLM_RESTRICT_VAR __restrict
# define GLM_CONSTEXPR
#elif(GLM_COMPILER & GLM_COMPILER_INTEL)
# define GLM_DEPRECATED
# define GLM_ALIGN(x) __declspec(align(x))
# define GLM_ALIGNED_STRUCT(x) __declspec(align(x)) struct
# define GLM_RESTRICT
# define GLM_RESTRICT_VAR __restrict
# define GLM_CONSTEXPR
#elif((GLM_COMPILER & (GLM_COMPILER_GCC | GLM_COMPILER_LLVM_GCC)) && (GLM_COMPILER >= GLM_COMPILER_GCC31))
# define GLM_DEPRECATED __attribute__((__deprecated__))
# define GLM_ALIGN(x) __attribute__((aligned(x)))
# define GLM_ALIGNED_STRUCT(x) struct __attribute__((aligned(x)))
# if(GLM_COMPILER >= GLM_COMPILER_GCC33)
# define GLM_RESTRICT __restrict__
# define GLM_RESTRICT_VAR __restrict__
# else
# define GLM_RESTRICT
# define GLM_RESTRICT_VAR
# endif
# define GLM_RESTRICT __restrict__
# define GLM_RESTRICT_VAR __restrict__
# if((GLM_COMPILER >= GLM_COMPILER_GCC47) && ((GLM_LANG & GLM_LANG_CXX0X) == GLM_LANG_CXX0X))
# define GLM_CONSTEXPR constexpr
# else
# define GLM_CONSTEXPR
# endif
#else
# define GLM_DEPRECATED
# define GLM_ALIGN
# define GLM_ALIGNED_STRUCT(x)
# define GLM_RESTRICT
# define GLM_RESTRICT_VAR
# define GLM_CONSTEXPR
#endif//GLM_COMPILER
#endif//glm_core_detail