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Added MakeSignedT and MakeUnsignedT to type traits.

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This commit is contained in:
Бранимир Караџић
2024-05-03 14:44:57 -07:00
parent b95012f14b
commit 6cddfa90f3
5 changed files with 158 additions and 14 deletions
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52
include/bx/inline/typetraits.inl
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@@ -464,6 +464,58 @@ namespace bx
return IsUnsignedT<Ty>::value;
}
//---
template<typename Ty> struct MakeSignedT { using Type = Ty; };
template<typename Ty> using MakeSignedType = typename MakeSignedT<Ty>::Type;
template<typename Ty> struct MakeSignedT<const Ty> : AddConstType <MakeSignedType<Ty>> {};
template<typename Ty> struct MakeSignedT<volatile Ty> : AddVolatileType<MakeSignedType<Ty>> {};
template<typename Ty> struct MakeSignedT<const volatile Ty> : AddCvType <MakeSignedType<Ty>> {};
template<> struct MakeSignedT< char > { using Type = signed char; };
template<> struct MakeSignedT< signed char > { using Type = signed char; };
template<> struct MakeSignedT<unsigned char > { using Type = signed char; };
template<> struct MakeSignedT< short > { using Type = signed short; };
template<> struct MakeSignedT<unsigned short > { using Type = signed short; };
template<> struct MakeSignedT< int > { using Type = signed int; };
template<> struct MakeSignedT<unsigned int > { using Type = signed int; };
template<> struct MakeSignedT< long > { using Type = signed long; };
template<> struct MakeSignedT<unsigned long > { using Type = signed long; };
template<> struct MakeSignedT< long long> { using Type = signed long long; };
template<> struct MakeSignedT<unsigned long long> { using Type = signed long long; };
template<typename Ty>
inline constexpr auto asSigned(Ty _t)
{
return MakeSignedType<Ty>(_t);
}
//---
template<typename Ty> struct MakeUnsignedT { using Type = Ty; };
template<typename Ty> using MakeUnsignedType = typename MakeUnsignedT<Ty>::Type;
template<typename Ty> struct MakeUnsignedT<const Ty> : AddConstType <MakeUnsignedType<Ty>> {};
template<typename Ty> struct MakeUnsignedT<volatile Ty> : AddVolatileType<MakeUnsignedType<Ty>> {};
template<typename Ty> struct MakeUnsignedT<const volatile Ty> : AddCvType <MakeUnsignedType<Ty>> {};
template<> struct MakeUnsignedT< char > { using Type = unsigned char; };
template<> struct MakeUnsignedT< signed char > { using Type = unsigned char; };
template<> struct MakeUnsignedT<unsigned char > { using Type = unsigned char; };
template<> struct MakeUnsignedT< short > { using Type = unsigned short; };
template<> struct MakeUnsignedT<unsigned short > { using Type = unsigned short; };
template<> struct MakeUnsignedT< int > { using Type = unsigned int; };
template<> struct MakeUnsignedT<unsigned int > { using Type = unsigned int; };
template<> struct MakeUnsignedT< long > { using Type = unsigned long; };
template<> struct MakeUnsignedT<unsigned long > { using Type = unsigned long; };
template<> struct MakeUnsignedT< long long> { using Type = unsigned long long; };
template<> struct MakeUnsignedT<unsigned long long> { using Type = unsigned long long; };
template<typename Ty>
inline constexpr auto asUnsigned(Ty _t)
{
return MakeUnsignedType<Ty>(_t);
}
//---
template<typename Ty> struct IsIntegerT : FalseConstant {};
template<> struct IsIntegerT<bool > : TrueConstant {};

8
include/bx/typetraits.h
View File

@@ -165,6 +165,14 @@ namespace bx
template<typename Ty>
constexpr bool isUnsigned();
/// Returns value of `_t` as signed type value.
template<typename Ty>
constexpr auto asSigned(Ty _t);
/// Returns value of `_t` as unsigned type value.
template<typename Ty>
constexpr auto asUnsigned(Ty _t);
/// Returns true if type `Ty` is integer type, otherwise returns false.
template<typename Ty>
constexpr bool isInteger();