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155 lines
5.0 KiB
155 lines
5.0 KiB
FIXED_POINTS_BEGIN_NAMESPACE
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//
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// Constructors
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//
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template< unsigned Integer, unsigned Fraction >
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constexpr UFixed<Integer, Fraction>::UFixed(void)
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: Base()
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{
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}
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template< unsigned Integer, unsigned Fraction >
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constexpr UFixed<Integer, Fraction>::UFixed(const IntegerType & integer)
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: Base(RawType(static_cast<InternalType>(integer) << FractionSize))
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{
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}
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template< unsigned Integer, unsigned Fraction >
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constexpr UFixed<Integer, Fraction>::UFixed(const IntegerType & integer, const FractionType & fraction)
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: Base(RawType((static_cast<InternalType>(integer) << FractionSize) | fraction))
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{
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}
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//
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// Getters
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//
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template< unsigned Integer, unsigned Fraction >
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constexpr typename UFixed<Integer, Fraction>::InternalType UFixed<Integer, Fraction>::getInternal(void) const
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{
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return this->value;
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}
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template< unsigned Integer, unsigned Fraction >
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constexpr typename UFixed<Integer, Fraction>::IntegerType UFixed<Integer, Fraction>::getInteger(void) const
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{
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return static_cast<IntegerType>(this->value >> IntegerShift) & IntegerMask;
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}
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template< unsigned Integer, unsigned Fraction >
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constexpr typename UFixed<Integer, Fraction>::FractionType UFixed<Integer, Fraction>::getFraction(void) const
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{
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return static_cast<FractionType>(this->value >> FractionShift) & FractionMask;
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}
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//
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// Cast Operators
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//
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template< unsigned Integer, unsigned Fraction >
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constexpr UFixed<Integer, Fraction>::operator IntegerType(void) const
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{
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return this->getInteger();
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}
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template< unsigned Integer, unsigned Fraction >
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constexpr UFixed<Integer, Fraction>::operator float(void) const
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{
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return ((this->value & IdentityMask) * (1.0f / Scale));
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}
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template< unsigned Integer, unsigned Fraction >
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constexpr UFixed<Integer, Fraction>::operator double(void) const
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{
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return ((this->value & IdentityMask) * (1.0 / Scale));
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}
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template< unsigned Integer, unsigned Fraction >
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template< unsigned IntegerOut, unsigned FractionOut >
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constexpr UFixed<Integer, Fraction>::operator UFixed<IntegerOut, FractionOut>(void) const
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{
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using OutputType = UFixed<IntegerOut, FractionOut>;
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using OutputInternalType = typename OutputType::InternalType;
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using OutputShiftType = typename OutputType::ShiftType;
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using InputType = UFixed<Integer, Fraction>;
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using InputInternalType = typename InputType::InternalType;
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using InputShiftType = typename InputType::ShiftType;
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return
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(FractionOut > FractionSize) ?
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OutputType::fromInternal(static_cast<OutputInternalType>(static_cast<OutputShiftType>(this->value) << ((FractionOut > FractionSize) ? (FractionOut - FractionSize) : 0))) :
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(FractionSize > FractionOut) ?
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OutputType::fromInternal(static_cast<OutputInternalType>(static_cast<InputShiftType>(this->value) >> ((FractionSize > FractionOut) ? (FractionSize - FractionOut) : 0))) :
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OutputType::fromInternal(this->value);
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}
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//
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// Static Functions
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//
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template< unsigned Integer, unsigned Fraction >
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constexpr UFixed<Integer, Fraction> UFixed<Integer, Fraction>::fromInternal(const typename UFixed<Integer, Fraction>::InternalType & value)
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{
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return UFixed<Integer, Fraction>(RawType(value));
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}
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//
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// Member Operators
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//
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template< unsigned Integer, unsigned Fraction >
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UFixed<Integer, Fraction> & UFixed<Integer, Fraction>::operator ++(void)
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{
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this->value += (1 << FractionSize);
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return *this;
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}
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template< unsigned Integer, unsigned Fraction >
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UFixed<Integer, Fraction> & UFixed<Integer, Fraction>::operator --(void)
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{
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this->value -= (1 << FractionSize);
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return *this;
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}
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//
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// Compound Assignment Operators
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//
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template< unsigned Integer, unsigned Fraction >
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UFixed<Integer, Fraction> & UFixed<Integer, Fraction>::operator +=(const UFixed<Integer, Fraction> & other)
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{
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this->value += other.value;
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return *this;
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}
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template< unsigned Integer, unsigned Fraction >
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UFixed<Integer, Fraction> & UFixed<Integer, Fraction>::operator -=(const UFixed<Integer, Fraction> & other)
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{
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this->value -= other.value;
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return *this;
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}
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template< unsigned Integer, unsigned Fraction >
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UFixed<Integer, Fraction> & UFixed<Integer, Fraction>::operator *=(const UFixed<Integer, Fraction> & other)
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{
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using InternalType = typename UFixed<Integer, Fraction>::InternalType;
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using PrecisionType = typename UFixed<Integer * 2, Fraction * 2>::InternalType;
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const PrecisionType temp = (static_cast<PrecisionType>(this->value) * static_cast<PrecisionType>(other.value)) >> FractionSize;
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this->value = static_cast<InternalType>(temp);
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return *this;
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}
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template< unsigned Integer, unsigned Fraction >
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UFixed<Integer, Fraction> & UFixed<Integer, Fraction>::operator /=(const UFixed<Integer, Fraction> & other)
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{
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using InternalType = typename UFixed<Integer, Fraction>::InternalType;
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using PrecisionType = typename UFixed<Integer * 2, Fraction * 2>::InternalType;
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const PrecisionType temp = (static_cast<PrecisionType>(this->value) << FractionSize) / static_cast<PrecisionType>(other.value);
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this->value = static_cast<InternalType>(temp);
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return *this;
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}
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FIXED_POINTS_END_NAMESPACE |