longlong.h

浙江大学的悟空嵌入式系统模拟器

        { return m_ll != l; }
    bool operator<(const wxLongLongNative& ll) const
        { return m_ll < ll.m_ll; }
    bool operator<(long l) const
        { return m_ll < l; }
    bool operator>(const wxLongLongNative& ll) const
        { return m_ll > ll.m_ll; }
    bool operator>(long l) const
        { return m_ll > l; }
    bool operator<=(const wxLongLongNative& ll) const
        { return m_ll <= ll.m_ll; }
    bool operator<=(long l) const
        { return m_ll <= l; }
    bool operator>=(const wxLongLongNative& ll) const
        { return m_ll >= ll.m_ll; }
    bool operator>=(long l) const
        { return m_ll >= l; }

    // miscellaneous

        // return the string representation of this number
    wxString ToString() const;

        // conversion to byte array: returns a pointer to static buffer!
    void *asArray() const;

#if wxUSE_STD_IOSTREAM
        // input/output
    friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongNative&);
#endif

private:
    wxLongLong_t  m_ll;
};


class WXDLLEXPORT wxULongLongNative
{
public:
    // ctors
        // default ctor initializes to 0
    wxULongLongNative() : m_ll(0) { }
        // from long long
    wxULongLongNative(unsigned wxLongLong_t ll) : m_ll(ll) { }
        // from 2 longs
    wxULongLongNative(unsigned long hi, unsigned long lo) : m_ll(0)
    {
        // assign first to avoid precision loss!
        m_ll = ((unsigned wxLongLong_t) hi) << 32;
        m_ll |= (unsigned wxLongLong_t) lo;
    }

    // default copy ctor is ok

    // no dtor

    // assignment operators
        // from native 64 bit integer
    wxULongLongNative& operator=(unsigned wxLongLong_t ll)
        { m_ll = ll; return *this; }

    // assignment operators from wxULongLongNative is ok

    // accessors
        // get high part
    unsigned long GetHi() const
        { return (unsigned long)(m_ll >> 32); }
        // get low part
    unsigned long GetLo() const
        { return (unsigned long)m_ll; }

        // convert to native ulong long
    unsigned wxLongLong_t GetValue() const { return m_ll; }

        // convert to ulong with range checking in the debug mode (only!)
    unsigned long ToULong() const
    {
        wxASSERT_MSG( m_ll <= LONG_MAX,
                      _T("wxULongLong to long conversion loss of precision") );

        return (unsigned long)m_ll;
    }

    // operations
        // addition
    wxULongLongNative operator+(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll + ll.m_ll); }
    wxULongLongNative& operator+=(const wxULongLongNative& ll)
        { m_ll += ll.m_ll; return *this; }

    wxULongLongNative operator+(const unsigned wxLongLong_t ll) const
        { return wxULongLongNative(m_ll + ll); }
    wxULongLongNative& operator+=(const unsigned wxLongLong_t ll)
        { m_ll += ll; return *this; }

        // pre increment
    wxULongLongNative& operator++()
        { m_ll++; return *this; }

        // post increment
    wxULongLongNative operator++(int)
        { wxULongLongNative value(*this); m_ll++; return value; }

        // subtraction
    wxULongLongNative operator-(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll - ll.m_ll); }
    wxULongLongNative& operator-=(const wxULongLongNative& ll)
        { m_ll -= ll.m_ll; return *this; }

    wxULongLongNative operator-(const unsigned wxLongLong_t ll) const
        { return wxULongLongNative(m_ll - ll); }
    wxULongLongNative& operator-=(const unsigned wxLongLong_t ll)
        { m_ll -= ll; return *this; }

        // pre decrement
    wxULongLongNative& operator--()
        { m_ll--; return *this; }

        // post decrement
    wxULongLongNative operator--(int)
        { wxULongLongNative value(*this); m_ll--; return value; }

    // shifts
        // left shift
    wxULongLongNative operator<<(int shift) const
        { return wxULongLongNative(m_ll << shift);; }
    wxULongLongNative& operator<<=(int shift)
        { m_ll <<= shift; return *this; }

        // right shift
    wxULongLongNative operator>>(int shift) const
        { return wxULongLongNative(m_ll >> shift);; }
    wxULongLongNative& operator>>=(int shift)
        { m_ll >>= shift; return *this; }

    // bitwise operators
    wxULongLongNative operator&(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll & ll.m_ll); }
    wxULongLongNative& operator&=(const wxULongLongNative& ll)
        { m_ll &= ll.m_ll; return *this; }

    wxULongLongNative operator|(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll | ll.m_ll); }
    wxULongLongNative& operator|=(const wxULongLongNative& ll)
        { m_ll |= ll.m_ll; return *this; }

    wxULongLongNative operator^(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll ^ ll.m_ll); }
    wxULongLongNative& operator^=(const wxULongLongNative& ll)
        { m_ll ^= ll.m_ll; return *this; }

    // multiplication/division
    wxULongLongNative operator*(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll * ll.m_ll); }
    wxULongLongNative operator*(unsigned long l) const
        { return wxULongLongNative(m_ll * l); }
    wxULongLongNative& operator*=(const wxULongLongNative& ll)
        { m_ll *= ll.m_ll; return *this; }
    wxULongLongNative& operator*=(unsigned long l)
        { m_ll *= l; return *this; }

    wxULongLongNative operator/(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll / ll.m_ll); }
    wxULongLongNative operator/(unsigned long l) const
        { return wxULongLongNative(m_ll / l); }
    wxULongLongNative& operator/=(const wxULongLongNative& ll)
        { m_ll /= ll.m_ll; return *this; }
    wxULongLongNative& operator/=(unsigned long l)
        { m_ll /= l; return *this; }

    wxULongLongNative operator%(const wxULongLongNative& ll) const
        { return wxULongLongNative(m_ll % ll.m_ll); }
    wxULongLongNative operator%(unsigned long l) const
        { return wxULongLongNative(m_ll % l); }

    // comparison
    bool operator==(const wxULongLongNative& ll) const
        { return m_ll == ll.m_ll; }
    bool operator==(unsigned long l) const
        { return m_ll == l; }
    bool operator!=(const wxULongLongNative& ll) const
        { return m_ll != ll.m_ll; }
    bool operator!=(unsigned long l) const
        { return m_ll != l; }
    bool operator<(const wxULongLongNative& ll) const
        { return m_ll < ll.m_ll; }
    bool operator<(unsigned long l) const
        { return m_ll < l; }
    bool operator>(const wxULongLongNative& ll) const
        { return m_ll > ll.m_ll; }
    bool operator>(unsigned long l) const
        { return m_ll > l; }
    bool operator<=(const wxULongLongNative& ll) const
        { return m_ll <= ll.m_ll; }
    bool operator<=(unsigned long l) const
        { return m_ll <= l; }
    bool operator>=(const wxULongLongNative& ll) const
        { return m_ll >= ll.m_ll; }
    bool operator>=(unsigned long l) const
        { return m_ll >= l; }

    // miscellaneous

        // return the string representation of this number
    wxString ToString() const;

        // conversion to byte array: returns a pointer to static buffer!
    void *asArray() const;

#if wxUSE_STD_IOSTREAM
        // input/output
    friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
#endif

private:
    unsigned wxLongLong_t  m_ll;
};

#endif // wxUSE_LONGLONG_NATIVE

#if wxUSE_LONGLONG_WX

class WXDLLEXPORT wxLongLongWx
{
public:
    // ctors
        // default ctor initializes to 0
    wxLongLongWx()
    {
        m_lo = m_hi = 0;

#ifdef wxLONGLONG_TEST_MODE
        m_ll = 0;

        Check();
#endif // wxLONGLONG_TEST_MODE
    }
        // from long
    wxLongLongWx(long l) { *this = l; }
        // from 2 longs
    wxLongLongWx(long hi, unsigned long lo)
    {
        m_hi = hi;
        m_lo = lo;

#ifdef wxLONGLONG_TEST_MODE
        m_ll = hi;
        m_ll <<= 32;
        m_ll |= lo;

        Check();
#endif // wxLONGLONG_TEST_MODE
    }

    // default copy ctor is ok in both cases

    // no dtor

    // assignment operators
        // from long
    wxLongLongWx& operator=(long l)
    {
        m_lo = l;
        m_hi = (l < 0 ? -1l : 0l);

#ifdef wxLONGLONG_TEST_MODE
        m_ll = l;

        Check();
#endif // wxLONGLONG_TEST_MODE

        return *this;
    }
        // from double
    wxLongLongWx& Assign(double d);
        // can't have assignment operator from 2 longs

    // accessors
        // get high part
    long GetHi() const { return m_hi; }
        // get low part
    unsigned long GetLo() const { return m_lo; }

        // get absolute value
    wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
    wxLongLongWx& Abs()
    {
        if ( m_hi < 0 )
            m_hi = -m_hi;

#ifdef wxLONGLONG_TEST_MODE
        if ( m_ll < 0 )
            m_ll = -m_ll;

        Check();
#endif // wxLONGLONG_TEST_MODE

        return *this;
    }

        // convert to long with range checking in the debug mode (only!)
    long ToLong() const
    {
        wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
                      _T("wxLongLong to long conversion loss of precision") );

        return (long)m_lo;
    }

    // operations
        // addition
    wxLongLongWx operator+(const wxLongLongWx& ll) const;
    wxLongLongWx& operator+=(const wxLongLongWx& ll);
    wxLongLongWx operator+(long l) const;
    wxLongLongWx& operator+=(long l);