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64 lines
2.3 KiB
64 lines
2.3 KiB
#pragma once
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#include "Details.h"
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FIXED_POINTS_BEGIN_NAMESPACE
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namespace FIXED_POINTS_DETAILS
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{
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template< unsigned Integer, unsigned Fraction >
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class UFixedBase
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{
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public:
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using IntegerType = FIXED_POINTS_DETAILS::LeastInt<Integer + 1>;
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using FractionType = FIXED_POINTS_DETAILS::LeastUInt<Fraction>;
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using InternalType = FIXED_POINTS_DETAILS::LeastUInt<Integer + Fraction>;
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constexpr const static unsigned long long Scale = 1ULL << Fraction;
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protected:
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class RawType
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{
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private:
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const InternalType value;
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public:
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constexpr inline explicit RawType(const InternalType & value) : value(value) {}
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constexpr inline explicit operator InternalType(void) const { return this->value; }
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};
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protected:
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InternalType value;
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constexpr UFixedBase(void) : value(0) {}
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constexpr UFixedBase(const RawType & value) : value(static_cast<InternalType>(value)) {}
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public:
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constexpr UFixedBase(const IntegerLiteral & value)
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: value(static_cast<InternalType>(static_cast< LargerType<IntegerLiteral, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const IntegerLiteralU & value)
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: value(static_cast<InternalType>(static_cast< LargerType<IntegerLiteralU, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const IntegerLiteralL & value)
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: value(static_cast<InternalType>(static_cast< LargerType<IntegerLiteralL, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const IntegerLiteralUL & value)
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: value(static_cast<InternalType>(static_cast< LargerType<IntegerLiteralUL, InternalType>>(value) << Fraction)) {}
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constexpr UFixedBase(const IntegerLiteralLL & value)
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: value(static_cast<InternalType>(static_cast< LargerType<IntegerLiteralLL, InternalType>>(value) << Fraction)) {}
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constexpr UFixedBase(const IntegerLiteralULL & value)
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: value(static_cast<InternalType>(static_cast< LargerType<IntegerLiteralULL, InternalType> >(value) << Fraction)) {}
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constexpr UFixedBase(const DecimalLiteral & value)
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: value(static_cast<InternalType>(value * Scale)) {}
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constexpr UFixedBase(const DecimalLiteralF & value)
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: value(static_cast<InternalType>(value * Scale)) {}
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constexpr UFixedBase(const DecimalLiteralL & value)
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: value(static_cast<InternalType>(value * Scale)) {}
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};
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}
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FIXED_POINTS_END_NAMESPACE |