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wxWidgets/include/wx/longlong.h
Vadim Zeitlin bddd7a8d89 renamed WXDLLEXPORT_BASE/CORE to WXDLLIMPEXP_BASE/CORE 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21570 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-07-02 01:59:24 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/longlong.h
// Purpose: declaration of wxLongLong class - best implementation of a 64
// bit integer for the current platform.
// Author: Jeffrey C. Ollie <jeff@ollie.clive.ia.us>, Vadim Zeitlin
// Modified by:
// Created: 10.02.99
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_LONGLONG_H
#define _WX_LONGLONG_H
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "longlong.h"
#endif
#include "wx/defs.h"
#include "wx/string.h"
#include <limits.h> // for LONG_MAX
// define this to compile wxLongLongWx in "test" mode: the results of all
// calculations will be compared with the real results taken from
// wxLongLongNative -- this is extremely useful to find the bugs in
// wxLongLongWx class!
// #define wxLONGLONG_TEST_MODE
#ifdef wxLONGLONG_TEST_MODE
#define wxUSE_LONGLONG_WX 1
#define wxUSE_LONGLONG_NATIVE 1
#endif // wxLONGLONG_TEST_MODE
// ----------------------------------------------------------------------------
// decide upon which class we will use
// ----------------------------------------------------------------------------
// to avoid compilation problems on 64bit machines with ambiguous method calls
// we will need to define this
#undef wxLongLongIsLong
// NB: we #define and not typedef wxLongLong_t because we want to be able to
// use 'unsigned wxLongLong_t' as well and because we use "#ifdef
// wxLongLong_t" below
// first check for generic cases which are long on 64bit machine and "long
// long", then check for specific compilers
#if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8)
#define wxLongLong_t long
#define wxLongLongSuffix l
#define wxLongLongFmtSpec _T("l")
#define wxLongLongIsLong
#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ )
#define wxLongLong_t __int64
#define wxLongLongSuffix i64
#define wxLongLongFmtSpec _T("I64")
#elif defined(__BORLANDC__) && defined(__WIN32__) && (__BORLANDC__ >= 0x520)
#define wxLongLong_t __int64
#define wxLongLongSuffix i64
#define wxLongLongFmtSpec _T("Ld")
#elif (defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG >= 8) || \
defined(__MINGW32__) || \
defined(__GNUC__) || \
defined(__CYGWIN__) || \
defined(__WXMICROWIN__) || \
(defined(__DJGPP__) && __DJGPP__ >= 2)
#define wxLongLong_t long long
#define wxLongLongSuffix ll
#define wxLongLongFmtSpec _T("ll")
#elif defined(__MWERKS__)
#if __option(longlong)
#define wxLongLong_t long long
#define wxLongLongSuffix ll
#define wxLongLongFmtSpec _T("ll")
#else
#error "The 64 bit integer support in CodeWarrior has been disabled."
#error "See the documentation on the 'longlong' pragma."
#endif
#elif defined(__VISAGECPP__) && __IBMCPP__ >= 400
#define wxLongLong_t long long
#else // no native long long type
// both warning and pragma warning are not portable, but at least an
// unknown pragma should never be an error -- except that, actually, some
// broken compilers don't like it, so we have to disable it in this case
// <sigh>
#if !(defined(__WATCOMC__) || defined(__VISAGECPP__))
#pragma warning "Your compiler does not appear to support 64 bit "\
"integers, using emulation class instead.\n" \
"Please report your compiler version to " \
"wx-dev@lists.wxwindows.org!"
#endif
#define wxUSE_LONGLONG_WX 1
#endif // compiler
// this macro allows to definea 64 bit constant in a portable way
#define wxMakeLongLong(x, s) x ## s
#define wxMakeLongLong2(x, s) wxMakeLongLong(x, s)
#define wxLL(x) wxMakeLongLong2(x, wxLongLongSuffix)
// the user may predefine wxUSE_LONGLONG_NATIVE and/or wxUSE_LONGLONG_NATIVE
// to disable automatic testing (useful for the test program which defines
// both classes) but by default we only use one class
#if (defined(wxUSE_LONGLONG_WX) && wxUSE_LONGLONG_WX) || !defined(wxLongLong_t)
// don't use both classes unless wxUSE_LONGLONG_NATIVE was explicitly set:
// this is useful in test programs and only there
#ifndef wxUSE_LONGLONG_NATIVE
#define wxUSE_LONGLONG_NATIVE 0
#endif
class WXDLLIMPEXP_BASE wxLongLongWx;
class WXDLLIMPEXP_BASE wxULongLongWx;
#if defined(__VISUALC__) && !defined(__WIN32__)
#define wxLongLong wxLongLongWx
#define wxULongLong wxULongLongWx
#else
typedef wxLongLongWx wxLongLong;
typedef wxULongLongWx wxULongLong;
#endif
#else
// if nothing is defined, use native implementation by default, of course
#ifndef wxUSE_LONGLONG_NATIVE
#define wxUSE_LONGLONG_NATIVE 1
#endif
#endif
#ifndef wxUSE_LONGLONG_WX
#define wxUSE_LONGLONG_WX 0
class WXDLLIMPEXP_BASE wxLongLongNative;
class WXDLLIMPEXP_BASE wxULongLongNative;
typedef wxLongLongNative wxLongLong;
typedef wxULongLongNative wxULongLong;
#endif
// NB: if both wxUSE_LONGLONG_WX and NATIVE are defined, the user code should
// typedef wxLongLong as it wants, we don't do it
// ----------------------------------------------------------------------------
// choose the appropriate class
// ----------------------------------------------------------------------------
// we use iostream for wxLongLong output
#include "wx/iosfwrap.h"
#if wxUSE_LONGLONG_NATIVE
class WXDLLIMPEXP_BASE wxLongLongNative
{
public:
// ctors
// default ctor initializes to 0
wxLongLongNative() : m_ll(0) { }
// from long long
wxLongLongNative(wxLongLong_t ll) : m_ll(ll) { }
// from 2 longs
wxLongLongNative(long hi, unsigned long lo) : m_ll(0)
{
// assign first to avoid precision loss!
m_ll = ((wxLongLong_t) hi) << 32;
m_ll |= (wxLongLong_t) lo;
}
// default copy ctor is ok
// no dtor
// assignment operators
// from native 64 bit integer
wxLongLongNative& operator=(wxLongLong_t ll)
{ m_ll = ll; return *this; }
// from double: this one has an explicit name because otherwise we
// would have ambiguity with "ll = int" and also because we don't want
// to have implicit conversions between doubles and wxLongLongs
wxLongLongNative& Assign(double d)
{ m_ll = (wxLongLong_t)d; return *this; }
// assignment operators from wxLongLongNative is ok
// accessors
// get high part
long GetHi() const
{ return (long)(m_ll >> 32); }
// get low part
unsigned long GetLo() const
{ return (unsigned long)m_ll; }
// get absolute value
wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); }
wxLongLongNative& Abs() { if ( m_ll < 0 ) m_ll = -m_ll; return *this; }
// convert to native long long
wxLongLong_t GetValue() const { return m_ll; }
// convert to long with range checking in the debug mode (only!)
long ToLong() const
{
wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX),
_T("wxLongLong to long conversion loss of precision") );
return (long)m_ll;
}
// don't provide implicit conversion to wxLongLong_t or we will have an
// ambiguity for all arithmetic operations
//operator wxLongLong_t() const { return m_ll; }
// operations
// addition
wxLongLongNative operator+(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll + ll.m_ll); }
wxLongLongNative& operator+=(const wxLongLongNative& ll)
{ m_ll += ll.m_ll; return *this; }
wxLongLongNative operator+(const wxLongLong_t ll) const
{ return wxLongLongNative(m_ll + ll); }
wxLongLongNative& operator+=(const wxLongLong_t ll)
{ m_ll += ll; return *this; }
// pre increment
wxLongLongNative& operator++()
{ m_ll++; return *this; }
// post increment
wxLongLongNative operator++(int)
{ wxLongLongNative value(*this); m_ll++; return value; }
// negation operator
wxLongLongNative operator-() const
{ return wxLongLongNative(-m_ll); }
wxLongLongNative& Negate() { m_ll = -m_ll; return *this; }
// subtraction
wxLongLongNative operator-(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll - ll.m_ll); }
wxLongLongNative& operator-=(const wxLongLongNative& ll)
{ m_ll -= ll.m_ll; return *this; }
wxLongLongNative operator-(const wxLongLong_t ll) const
{ return wxLongLongNative(m_ll - ll); }
wxLongLongNative& operator-=(const wxLongLong_t ll)
{ m_ll -= ll; return *this; }
// pre decrement
wxLongLongNative& operator--()
{ m_ll--; return *this; }
// post decrement
wxLongLongNative operator--(int)
{ wxLongLongNative value(*this); m_ll--; return value; }
// shifts
// left shift
wxLongLongNative operator<<(int shift) const
{ return wxLongLongNative(m_ll << shift);; }
wxLongLongNative& operator<<=(int shift)
{ m_ll <<= shift; return *this; }
// right shift
wxLongLongNative operator>>(int shift) const
{ return wxLongLongNative(m_ll >> shift);; }
wxLongLongNative& operator>>=(int shift)
{ m_ll >>= shift; return *this; }
// bitwise operators
wxLongLongNative operator&(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll & ll.m_ll); }
wxLongLongNative& operator&=(const wxLongLongNative& ll)
{ m_ll &= ll.m_ll; return *this; }
wxLongLongNative operator|(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll | ll.m_ll); }
wxLongLongNative& operator|=(const wxLongLongNative& ll)
{ m_ll |= ll.m_ll; return *this; }
wxLongLongNative operator^(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll ^ ll.m_ll); }
wxLongLongNative& operator^=(const wxLongLongNative& ll)
{ m_ll ^= ll.m_ll; return *this; }
// multiplication/division
wxLongLongNative operator*(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll * ll.m_ll); }
wxLongLongNative operator*(long l) const
{ return wxLongLongNative(m_ll * l); }
wxLongLongNative& operator*=(const wxLongLongNative& ll)
{ m_ll *= ll.m_ll; return *this; }
wxLongLongNative& operator*=(long l)
{ m_ll *= l; return *this; }
wxLongLongNative operator/(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll / ll.m_ll); }
wxLongLongNative operator/(long l) const
{ return wxLongLongNative(m_ll / l); }
wxLongLongNative& operator/=(const wxLongLongNative& ll)
{ m_ll /= ll.m_ll; return *this; }
wxLongLongNative& operator/=(long l)
{ m_ll /= l; return *this; }
wxLongLongNative operator%(const wxLongLongNative& ll) const
{ return wxLongLongNative(m_ll % ll.m_ll); }
wxLongLongNative operator%(long l) const
{ return wxLongLongNative(m_ll % l); }
// comparison
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; }
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 WXDLLIMPEXP_BASE 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 WXDLLIMPEXP_BASE 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);
// pre increment operator
wxLongLongWx& operator++();
// post increment operator
wxLongLongWx& operator++(int) { return ++(*this); }
// negation operator
wxLongLongWx operator-() const;
wxLongLongWx& Negate();
// subraction
wxLongLongWx operator-(const wxLongLongWx& ll) const;
wxLongLongWx& operator-=(const wxLongLongWx& ll);
// pre decrement operator
wxLongLongWx& operator--();
// post decrement operator
wxLongLongWx& operator--(int) { return --(*this); }
// shifts
// left shift
wxLongLongWx operator<<(int shift) const;
wxLongLongWx& operator<<=(int shift);
// right shift
wxLongLongWx operator>>(int shift) const;
wxLongLongWx& operator>>=(int shift);
// bitwise operators
wxLongLongWx operator&(const wxLongLongWx& ll) const;
wxLongLongWx& operator&=(const wxLongLongWx& ll);
wxLongLongWx operator|(const wxLongLongWx& ll) const;
wxLongLongWx& operator|=(const wxLongLongWx& ll);
wxLongLongWx operator^(const wxLongLongWx& ll) const;
wxLongLongWx& operator^=(const wxLongLongWx& ll);
wxLongLongWx operator~() const;
// comparison
bool operator==(const wxLongLongWx& ll) const
{ return m_lo == ll.m_lo && m_hi == ll.m_hi; }
bool operator!=(const wxLongLongWx& ll) const
{ return !(*this == ll); }
bool operator<(const wxLongLongWx& ll) const;
bool operator>(const wxLongLongWx& ll) const;
bool operator<=(const wxLongLongWx& ll) const
{ return *this < ll || *this == ll; }
bool operator>=(const wxLongLongWx& ll) const
{ return *this > ll || *this == ll; }
bool operator<(long l) const { return *this < wxLongLongWx(l); }
bool operator>(long l) const { return *this > wxLongLongWx(l); }
bool operator==(long l) const
{
return l >= 0 ? (m_hi == 0 && m_lo == (unsigned long)l)
: (m_hi == -1 && m_lo == (unsigned long)l);
}
bool operator<=(long l) const { return *this < l || *this == l; }
bool operator>=(long l) const { return *this > l || *this == l; }
// multiplication
wxLongLongWx operator*(const wxLongLongWx& ll) const;
wxLongLongWx& operator*=(const wxLongLongWx& ll);
// division
wxLongLongWx operator/(const wxLongLongWx& ll) const;
wxLongLongWx& operator/=(const wxLongLongWx& ll);
wxLongLongWx operator%(const wxLongLongWx& ll) const;
void Divide(const wxLongLongWx& divisor,
wxLongLongWx& quotient,
wxLongLongWx& remainder) const;
// input/output
// return the string representation of this number
wxString ToString() const;
void *asArray() const;
#if wxUSE_STD_IOSTREAM
friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
#endif // wxUSE_STD_IOSTREAM
private:
// long is at least 32 bits, so represent our 64bit number as 2 longs
long m_hi; // signed bit is in the high part
unsigned long m_lo;
#ifdef wxLONGLONG_TEST_MODE
void Check()
{
wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
}
wxLongLong_t m_ll;
#endif // wxLONGLONG_TEST_MODE
};
class WXDLLIMPEXP_BASE wxULongLongWx
{
public:
// ctors
// default ctor initializes to 0
wxULongLongWx()
{
m_lo = m_hi = 0;
#ifdef wxLONGLONG_TEST_MODE
m_ll = 0;
Check();
#endif // wxLONGLONG_TEST_MODE
}
// from ulong
wxULongLongWx(unsigned long l) { *this = l; }
// from 2 ulongs
wxULongLongWx(unsigned 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
wxULongLongWx& operator=(unsigned long l)
{
m_lo = l;
m_hi = 0;
#ifdef wxLONGLONG_TEST_MODE
m_ll = l;
Check();
#endif // wxLONGLONG_TEST_MODE
return *this;
}
// can't have assignment operator from 2 longs
// accessors
// get high part
unsigned long GetHi() const { return m_hi; }
// get low part
unsigned long GetLo() const { return m_lo; }
// convert to long with range checking in the debug mode (only!)
unsigned long ToULong() const
{
wxASSERT_MSG( m_hi == 0ul,
_T("wxULongLong to long conversion loss of precision") );
return (unsigned long)m_lo;
}
// operations
// addition
wxULongLongWx operator+(const wxULongLongWx& ll) const;
wxULongLongWx& operator+=(const wxULongLongWx& ll);
wxULongLongWx operator+(unsigned long l) const;
wxULongLongWx& operator+=(unsigned long l);
// pre increment operator
wxULongLongWx& operator++();
// post increment operator
wxULongLongWx& operator++(int) { return ++(*this); }
// subraction (FIXME: should return wxLongLong)
wxULongLongWx operator-(const wxULongLongWx& ll) const;
wxULongLongWx& operator-=(const wxULongLongWx& ll);
// pre decrement operator
wxULongLongWx& operator--();
// post decrement operator
wxULongLongWx& operator--(int) { return --(*this); }
// shifts
// left shift
wxULongLongWx operator<<(int shift) const;
wxULongLongWx& operator<<=(int shift);
// right shift
wxULongLongWx operator>>(int shift) const;
wxULongLongWx& operator>>=(int shift);
// bitwise operators
wxULongLongWx operator&(const wxULongLongWx& ll) const;
wxULongLongWx& operator&=(const wxULongLongWx& ll);
wxULongLongWx operator|(const wxULongLongWx& ll) const;
wxULongLongWx& operator|=(const wxULongLongWx& ll);
wxULongLongWx operator^(const wxULongLongWx& ll) const;
wxULongLongWx& operator^=(const wxULongLongWx& ll);
wxULongLongWx operator~() const;
// comparison
bool operator==(const wxULongLongWx& ll) const
{ return m_lo == ll.m_lo && m_hi == ll.m_hi; }
bool operator!=(const wxULongLongWx& ll) const
{ return !(*this == ll); }
bool operator<(const wxULongLongWx& ll) const;
bool operator>(const wxULongLongWx& ll) const;
bool operator<=(const wxULongLongWx& ll) const
{ return *this < ll || *this == ll; }
bool operator>=(const wxULongLongWx& ll) const
{ return *this > ll || *this == ll; }
bool operator<(unsigned long l) const { return *this < wxULongLongWx(l); }
bool operator>(unsigned long l) const { return *this > wxULongLongWx(l); }
bool operator==(unsigned long l) const
{
return (m_hi == 0 && m_lo == (unsigned long)l);
}
bool operator<=(unsigned long l) const { return *this < l || *this == l; }
bool operator>=(unsigned long l) const { return *this > l || *this == l; }
// multiplication
wxULongLongWx operator*(const wxULongLongWx& ll) const;
wxULongLongWx& operator*=(const wxULongLongWx& ll);
// division
wxULongLongWx operator/(const wxULongLongWx& ll) const;
wxULongLongWx& operator/=(const wxULongLongWx& ll);
wxULongLongWx operator%(const wxULongLongWx& ll) const;
void Divide(const wxULongLongWx& divisor,
wxULongLongWx& quotient,
wxULongLongWx& remainder) const;
// input/output
// return the string representation of this number
wxString ToString() const;
void *asArray() const;
#if wxUSE_STD_IOSTREAM
friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
#endif // wxUSE_STD_IOSTREAM
private:
// long is at least 32 bits, so represent our 64bit number as 2 longs
unsigned long m_hi;
unsigned long m_lo;
#ifdef wxLONGLONG_TEST_MODE
void Check()
{
wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
}
unsigned wxLongLong_t m_ll;
#endif // wxLONGLONG_TEST_MODE
};
#endif // wxUSE_LONGLONG_WX
// ----------------------------------------------------------------------------
// binary operators
// ----------------------------------------------------------------------------
inline bool operator<(long l, const wxLongLong& ll) { return ll > l; }
inline bool operator>(long l, const wxLongLong& ll) { return ll < l; }
inline bool operator<=(long l, const wxLongLong& ll) { return ll >= l; }
inline bool operator>=(long l, const wxLongLong& ll) { return ll <= l; }
inline bool operator==(long l, const wxLongLong& ll) { return ll == l; }
inline bool operator!=(long l, const wxLongLong& ll) { return ll != l; }
inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; }
inline wxLongLong operator-(long l, const wxLongLong& ll)
{
return wxLongLong(l) - ll;
}
inline bool operator<(unsigned long l, const wxULongLong& ull) { return ull > l; }
inline bool operator>(unsigned long l, const wxULongLong& ull) { return ull < l; }
inline bool operator<=(unsigned long l, const wxULongLong& ull) { return ull >= l; }
inline bool operator>=(unsigned long l, const wxULongLong& ull) { return ull <= l; }
inline bool operator==(unsigned long l, const wxULongLong& ull) { return ull == l; }
inline bool operator!=(unsigned long l, const wxULongLong& ull) { return ull != l; }
inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; }
// FIXME: this should return wxLongLong
inline wxULongLong operator-(unsigned long l, const wxULongLong& ull)
{
return wxULongLong(l) - ull;
}
#endif // _WX_LONGLONG_H
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