// 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
-// Remarks: this class is not public in wxWindows 2.0! It is intentionally
-// not documented and is for private use only.
// Modified by:
// Created: 10.02.99
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_LONGLONG_H
#define _WX_LONGLONG_H
-#ifdef __GNUG__
- #pragma interface "longlong.h"
-#endif
-
#include "wx/defs.h"
-#include "wx/wxchar.h"
-#include "wx/debug.h"
+
+#if wxUSE_LONGLONG
+
+#include "wx/string.h"
#include <limits.h> // for LONG_MAX
-#define wxUSE_LONGLONG_WX 1
+// 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
-#if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8)
- #define wxLongLong_t long
- #define wxLongLongIsLong
-#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ )
- #define wxLongLong_t __int64
-#elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x530)
- #define wxLongLong_t __int64
-#elif defined(__GNUG__)
- #define wxLongLong_t long long
-#elif defined(__MWERKS__)
- #if __option(longlong)
- #define wxLongLong_t long long
- #else
- #error "The 64 bit integer support in CodeWarrior has been disabled."
- #error "See the documentation on the 'longlong' pragma."
+#ifndef wxLongLong_t
+ // 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>
+ #ifdef __GNUC__
+ #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.wxwidgets.org!"
+ #elif !(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.wxwidgets.org!"
#endif
-#else // no native long long type
- // we don't give warnings for the compilers we know about that they don't
- // have any 64 bit integer type
- #if !defined(__VISAGECPP__) && \
- !defined(__VISUALC__) && \
- !defined(__BORLANDC__
- #warning "Your compiler does not appear to support 64 bit integers, "\
- "using emulation class instead."
- #endif // known compilers without long long
#define wxUSE_LONGLONG_WX 1
#endif // compiler
// 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)
- #undef wxUSE_LONGLONG_NATIVE
- #define wxUSE_LONGLONG_NATIVE 0
- class WXDLLEXPORT wxLongLongWx;
+ // 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_FWD_BASE wxLongLongWx;
+ class WXDLLIMPEXP_FWD_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
#ifndef wxUSE_LONGLONG_WX
#define wxUSE_LONGLONG_WX 0
- class WXDLLEXPORT wxLongLongNative;
+ class WXDLLIMPEXP_FWD_BASE wxLongLongNative;
+ class WXDLLIMPEXP_FWD_BASE wxULongLongNative;
typedef wxLongLongNative wxLongLong;
+ typedef wxULongLongNative wxULongLong;
#endif
// NB: if both wxUSE_LONGLONG_WX and NATIVE are defined, the user code should
// ----------------------------------------------------------------------------
// we use iostream for wxLongLong output
-#include "wx/ioswrap.h"
+#include "wx/iosfwrap.h"
#if wxUSE_LONGLONG_NATIVE
-class WXDLLEXPORT wxLongLongNative
+class WXDLLIMPEXP_BASE wxLongLongNative
{
public:
// ctors
// default ctor initializes to 0
- wxLongLongNative() { m_ll = 0; }
+ wxLongLongNative() : m_ll(0) { }
// from long long
- wxLongLongNative(wxLongLong_t ll) { m_ll = ll; }
+ wxLongLongNative(wxLongLong_t ll) : m_ll(ll) { }
// from 2 longs
- wxLongLongNative(long hi, unsigned long lo)
+ wxLongLongNative(wxInt32 hi, wxUint32 lo)
{
- // assign first to avoid precision loss!
+ // cast to wxLongLong_t first to avoid precision loss!
m_ll = ((wxLongLong_t) hi) << 32;
m_ll |= (wxLongLong_t) lo;
}
+#if wxUSE_LONGLONG_WX
+ wxLongLongNative(wxLongLongWx ll);
+#endif
// default copy ctor is ok
// assignment operators
// from native 64 bit integer
+#ifndef wxLongLongIsLong
wxLongLongNative& operator=(wxLongLong_t ll)
{ m_ll = ll; return *this; }
+ wxLongLongNative& operator=(wxULongLong_t ll)
+ { m_ll = ll; return *this; }
+#endif // !wxLongLongNative
+ wxLongLongNative& operator=(const wxULongLongNative &ll);
+ wxLongLongNative& operator=(int l)
+ { m_ll = l; return *this; }
+ wxLongLongNative& operator=(long l)
+ { m_ll = l; return *this; }
+ wxLongLongNative& operator=(unsigned int l)
+ { m_ll = l; return *this; }
+ wxLongLongNative& operator=(unsigned long l)
+ { m_ll = l; return *this; }
+#if wxUSE_LONGLONG_WX
+ wxLongLongNative& operator=(wxLongLongWx ll);
+ wxLongLongNative& operator=(const class wxULongLongWx &ll);
+#endif
+
// from double: this one has an explicit name because otherwise we
// would have ambiguity with "ll = int" and also because we don't want
// accessors
// get high part
- long GetHi() const
- { return (long)(m_ll >> 32); }
+ wxInt32 GetHi() const
+ { return wx_truncate_cast(wxInt32, m_ll >> 32); }
// get low part
- unsigned long GetLo() const
- { return (unsigned long)m_ll; }
+ wxUint32 GetLo() const
+ { return wx_truncate_cast(wxUint32, m_ll); }
// get absolute value
wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); }
// convert to native long long
wxLongLong_t GetValue() const { return m_ll; }
- // convert to long with range checking in the debug mode (only!)
+ // convert to long with range checking in debug mode (only!)
long ToLong() const
{
wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX),
- _T("wxLongLong to long conversion loss of precision") );
+ wxT("wxLongLong to long conversion loss of precision") );
- return (long)m_ll;
+ return wx_truncate_cast(long, m_ll);
}
+ // convert to double
+ double ToDouble() const { return wx_truncate_cast(double, 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; }
{ m_ll++; return *this; }
// post increment
- wxLongLongNative& operator++(int)
- { m_ll++; return *this; }
+ 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
{ m_ll--; return *this; }
// post decrement
- wxLongLongNative& operator--(int)
- { m_ll--; return *this; }
+ wxLongLongNative operator--(int)
+ { wxLongLongNative value(*this); m_ll--; return value; }
// shifts
// left shift
wxLongLongNative operator<<(int shift) const
- { return wxLongLongNative(m_ll << shift);; }
+ { 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);; }
+ { return wxLongLongNative(m_ll >> shift); }
wxLongLongNative& operator>>=(int shift)
{ m_ll >>= shift; return *this; }
{ 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 ostream& operator<<(ostream&, const wxLongLongNative&);
+ friend WXDLLIMPEXP_BASE
+ wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongNative&);
+#endif
+
+ friend WXDLLIMPEXP_BASE
+ wxString& operator<<(wxString&, const wxLongLongNative&);
+
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongNative&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, 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(wxULongLong_t ll) : m_ll(ll) { }
+ // from 2 longs
+ wxULongLongNative(wxUint32 hi, wxUint32 lo) : m_ll(0)
+ {
+ // cast to wxLongLong_t first to avoid precision loss!
+ m_ll = ((wxULongLong_t) hi) << 32;
+ m_ll |= (wxULongLong_t) lo;
+ }
+
+#if wxUSE_LONGLONG_WX
+ wxULongLongNative(const class wxULongLongWx &ll);
+#endif
+
+ // default copy ctor is ok
+
+ // no dtor
+
+ // assignment operators
+ // from native 64 bit integer
+#ifndef wxLongLongIsLong
+ wxULongLongNative& operator=(wxULongLong_t ll)
+ { m_ll = ll; return *this; }
+ wxULongLongNative& operator=(wxLongLong_t ll)
+ { m_ll = ll; return *this; }
+#endif // !wxLongLongNative
+ wxULongLongNative& operator=(int l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(long l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(unsigned int l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(unsigned long l)
+ { m_ll = l; return *this; }
+ wxULongLongNative& operator=(const wxLongLongNative &ll)
+ { m_ll = ll.GetValue(); return *this; }
+#if wxUSE_LONGLONG_WX
+ wxULongLongNative& operator=(wxLongLongWx ll);
+ wxULongLongNative& operator=(const class wxULongLongWx &ll);
+#endif
+
+ // assignment operators from wxULongLongNative is ok
+
+ // accessors
+ // get high part
+ wxUint32 GetHi() const
+ { return wx_truncate_cast(wxUint32, m_ll >> 32); }
+ // get low part
+ wxUint32 GetLo() const
+ { return wx_truncate_cast(wxUint32, m_ll); }
+
+ // convert to native ulong long
+ wxULongLong_t GetValue() const { return m_ll; }
+
+ // convert to ulong with range checking in debug mode (only!)
+ unsigned long ToULong() const
+ {
+ wxASSERT_MSG( m_ll <= ULONG_MAX,
+ wxT("wxULongLong to long conversion loss of precision") );
+
+ return wx_truncate_cast(unsigned long, m_ll);
+ }
+
+ // convert to double
+ //
+ // For some completely obscure reasons compiling the cast below with
+ // VC6 in DLL builds only (!) results in "error C2520: conversion from
+ // unsigned __int64 to double not implemented, use signed __int64" so
+ // we must use a different version for that compiler.
+#ifdef __VISUALC6__
+ double ToDouble() const;
+#else
+ double ToDouble() const { return wx_truncate_cast(double, m_ll); }
+#endif
+
+ // 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 wxULongLong_t ll) const
+ { return wxULongLongNative(m_ll + ll); }
+ wxULongLongNative& operator+=(const wxULongLong_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 wxULongLong_t ll) const
+ { return wxULongLongNative(m_ll - ll); }
+ wxULongLongNative& operator-=(const wxULongLong_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 WXDLLIMPEXP_BASE
+ wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
+#endif
+
+ friend WXDLLIMPEXP_BASE
+ wxString& operator<<(wxString&, const wxULongLongNative&);
+
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongNative&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongNative&);
+#endif
+
+private:
+ wxULongLong_t m_ll;
+};
+
+inline
+wxLongLongNative& wxLongLongNative::operator=(const wxULongLongNative &ll)
+{
+ m_ll = ll.GetValue();
+ return *this;
+}
+
#endif // wxUSE_LONGLONG_NATIVE
#if wxUSE_LONGLONG_WX
-class WXDLLEXPORT wxLongLongWx
+class WXDLLIMPEXP_BASE wxLongLongWx
{
public:
// ctors
// default ctor initializes to 0
- wxLongLongWx() { m_lo = m_hi = 0; }
+ wxLongLongWx()
+ {
+ m_lo = m_hi = 0;
+
+#ifdef wxLONGLONG_TEST_MODE
+ m_ll = 0;
+
+ Check();
+#endif // wxLONGLONG_TEST_MODE
+ }
// from long
- wxLongLongWx(long l)
- { m_lo = l; m_hi = (l < 0 ? -1l : 0l); }
+ wxLongLongWx(long l) { *this = l; }
// from 2 longs
wxLongLongWx(long hi, unsigned long lo)
- { m_hi = hi; m_lo = 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
// assignment operators
// from long
wxLongLongWx& operator=(long l)
- { m_lo = l; m_hi = (l < 0 ? -1l : 0l); return *this; }
- // from double
+ {
+ m_lo = l;
+ m_hi = (l < 0 ? -1l : 0l);
+
+#ifdef wxLONGLONG_TEST_MODE
+ m_ll = l;
+
+ Check();
+#endif // wxLONGLONG_TEST_MODE
+
+ return *this;
+ }
+ // from int
+ wxLongLongWx& operator=(int l)
+ {
+ return operator=((long)l);
+ }
+
+ wxLongLongWx& operator=(unsigned long l)
+ {
+ m_lo = l;
+ m_hi = 0;
+
+#ifdef wxLONGLONG_TEST_MODE
+ m_ll = l;
+
+ Check();
+#endif // wxLONGLONG_TEST_MODE
+
+ return *this;
+ }
+
+ wxLongLongWx& operator=(unsigned int l)
+ {
+ return operator=((unsigned long)l);
+ }
+
+ wxLongLongWx& operator=(const class wxULongLongWx &ll);
+
+ // from double
wxLongLongWx& Assign(double d);
// can't have assignment operator from 2 longs
// get absolute value
wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
- wxLongLongWx& Abs() { if ( m_hi < 0 ) m_hi = -m_hi; return *this; }
+ 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!)
+ // convert to long with range checking in debug mode (only!)
long ToLong() const
{
- wxASSERT_MSG( m_hi == 0l,
- _T("wxLongLong to long conversion loss of precision") );
+ wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
+ wxT("wxLongLong to long conversion loss of precision") );
return (long)m_lo;
}
+ // convert to double
+ double ToDouble() const;
+
// operations
// addition
wxLongLongWx operator+(const wxLongLongWx& ll) const;
wxLongLongWx& operator++();
// post increment operator
- wxLongLongWx& operator++(int);
+ wxLongLongWx& operator++(int) { return ++(*this); }
// negation operator
wxLongLongWx operator-() const;
+ wxLongLongWx& Negate();
// subraction
wxLongLongWx operator-(const wxLongLongWx& ll) const;
wxLongLongWx& operator--();
// post decrement operator
- wxLongLongWx& operator--(int);
+ wxLongLongWx& operator--(int) { return --(*this); }
// shifts
// left shift
// comparison
bool operator==(const wxLongLongWx& ll) const
{ return m_lo == ll.m_lo && m_hi == ll.m_hi; }
+#if wxUSE_LONGLONG_NATIVE
+ bool operator==(const wxLongLongNative& ll) const
+ { return m_lo == ll.GetLo() && m_hi == ll.GetHi(); }
+#endif
bool operator!=(const wxLongLongWx& ll) const
{ return !(*this == ll); }
bool operator<(const wxLongLongWx& ll) const;
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);
wxLongLongWx& remainder) const;
// input/output
+
+ // return the string representation of this number
+ wxString ToString() const;
+
+ void *asArray() const;
+
#if wxUSE_STD_IOSTREAM
- friend ostream& operator<<(ostream&, const wxLongLongWx&);
+ friend WXDLLIMPEXP_BASE
+ wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
#endif // wxUSE_STD_IOSTREAM
- void *asArray(void) const;
+ friend WXDLLIMPEXP_BASE
+ wxString& operator<<(wxString&, const wxLongLongWx&);
+
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongWx&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, wxLongLongWx&);
+#endif
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
+ }
+
+ // from signed to unsigned
+ wxULongLongWx(wxLongLongWx ll)
+ {
+ wxASSERT(ll.GetHi() >= 0);
+ m_hi = (unsigned long)ll.GetHi();
+ m_lo = ll.GetLo();
+ }
+
+ // 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;
+ }
+ wxULongLongWx& operator=(long l)
+ {
+ m_lo = l;
+ m_hi = (unsigned long) ((l<0) ? -1l : 0);
+
+#ifdef wxLONGLONG_TEST_MODE
+ m_ll = (wxULongLong_t) (wxLongLong_t) l;
+
+ Check();
+#endif // wxLONGLONG_TEST_MODE
+
+ return *this;
+ }
+ wxULongLongWx& operator=(const class wxLongLongWx &ll) {
+ // Should we use an assert like it was before in the constructor?
+ // wxASSERT(ll.GetHi() >= 0);
+ m_hi = (unsigned long)ll.GetHi();
+ m_lo = ll.GetLo();
+ 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 debug mode (only!)
+ unsigned long ToULong() const
+ {
+ wxASSERT_MSG( m_hi == 0ul,
+ wxT("wxULongLong to long conversion loss of precision") );
+
+ return (unsigned long)m_lo;
+ }
+
+ // convert to double
+ double ToDouble() const;
+
+ // 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); }
+
+ // subtraction
+ wxLongLongWx 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 WXDLLIMPEXP_BASE
+ wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
+#endif // wxUSE_STD_IOSTREAM
+
+ friend WXDLLIMPEXP_BASE
+ wxString& operator<<(wxString&, const wxULongLongWx&);
+
+#if wxUSE_STREAMS
+ friend WXDLLIMPEXP_BASE
+ class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongWx&);
+ friend WXDLLIMPEXP_BASE
+ class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongWx&);
+#endif
+
+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 );
+ }
+
+ wxULongLong_t m_ll;
+#endif // wxLONGLONG_TEST_MODE
};
#endif // wxUSE_LONGLONG_WX
// binary operators
// ----------------------------------------------------------------------------
-inline bool WXDLLEXPORT operator<(long l, const wxLongLong& ll) { return ll > l; }
-inline bool WXDLLEXPORT operator>(long l, const wxLongLong& ll) { return ll > l; }
-inline bool WXDLLEXPORT operator<=(long l, const wxLongLong& ll) { return ll > l; }
-inline bool WXDLLEXPORT operator>=(long l, const wxLongLong& ll) { return ll > l; }
-inline bool WXDLLEXPORT operator==(long l, const wxLongLong& ll) { return ll > l; }
-inline bool WXDLLEXPORT 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 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; }
+
+inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
+{
+ wxULongLong ret = wxULongLong(l) - ull;
+ return wxLongLong((wxInt32)ret.GetHi(),ret.GetLo());
+}
+
+#if wxUSE_LONGLONG_NATIVE && wxUSE_STREAMS
+
+WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxULongLong_t value);
+WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxLongLong_t value);
+
+WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxULongLong_t &value);
+WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxLongLong_t &value);
+
+#endif
+
+// ----------------------------------------------------------------------------
+// Specialize numeric_limits<> for our long long wrapper classes.
+// ----------------------------------------------------------------------------
+
+#if wxUSE_LONGLONG_NATIVE
+
+// VC6 is known to not have __int64 specializations of numeric_limits<> in its
+// <limits> anyhow so don't bother including it, especially as it results in
+// tons of warnings because the standard header itself uses obsolete template
+// specialization syntax.
+#ifndef __VISUALC6__
+
+#include <limits>
+
+namespace std
+{
+
+#ifdef __clang__
+ // libstdc++ (used by Clang) uses struct for numeric_limits; unlike gcc, clang
+ // warns about this
+ template<> struct numeric_limits<wxLongLong> : public numeric_limits<wxLongLong_t> {};
+ template<> struct numeric_limits<wxULongLong> : public numeric_limits<wxULongLong_t> {};
+#else
+ template<> class numeric_limits<wxLongLong> : public numeric_limits<wxLongLong_t> {};
+ template<> class numeric_limits<wxULongLong> : public numeric_limits<wxULongLong_t> {};
+#endif
+
+} // namespace std
+
+#endif // !VC6
+
+#endif // wxUSE_LONGLONG_NATIVE
+
+// ----------------------------------------------------------------------------
+// Specialize wxArgNormalizer to allow using wxLongLong directly with wx pseudo
+// vararg functions.
+// ----------------------------------------------------------------------------
+
+// Notice that this must be done here and not in wx/strvararg.h itself because
+// we can't include wx/longlong.h from there as this header itself includes
+// wx/string.h which includes wx/strvararg.h too, so to avoid the circular
+// dependencies we can only do it here (or add another header just for this but
+// it doesn't seem necessary).
+#include "wx/strvararg.h"
+
+template<>
+struct WXDLLIMPEXP_BASE wxArgNormalizer<wxLongLong>
+{
+ wxArgNormalizer(wxLongLong value,
+ const wxFormatString *fmt, unsigned index)
+ : m_value(value)
+ {
+ wxASSERT_ARG_TYPE( fmt, index, wxFormatString::Arg_LongLongInt );
+ }
+
+ wxLongLong_t get() const { return m_value.GetValue(); }
+
+ wxLongLong m_value;
+};
-inline wxLongLong WXDLLEXPORT operator+(long l, const wxLongLong& ll) { return ll + l; }
-inline wxLongLong WXDLLEXPORT operator-(long l, const wxLongLong& ll) { return ll - l; }
+#endif // wxUSE_LONGLONG
#endif // _WX_LONGLONG_H
projects / wxWidgets.git / blobdiff