X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/384223b34b597844512652e5200ceaae82229c55..f6840be66eb772c08f0cbb43de677509d5d132bb:/include/wx/longlong.h

diff --git a/include/wx/longlong.h b/include/wx/longlong.h
index dd35aafdd2..5670a66fab 100644
--- a/include/wx/longlong.h
+++ b/include/wx/longlong.h
@@ -7,18 +7,18 @@
 // 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__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "longlong.h"
 #endif
 
 #include "wx/defs.h"
-#include "wx/wxchar.h"
+#include "wx/string.h"
 
 #include <limits.h>     // for LONG_MAX
 
@@ -38,39 +38,18 @@
 // 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__) && defined(__WIN32__) && (__BORLANDC__ >= 0x520)
-    #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."
-    #endif
-#elif defined(__VISAGECPP__) && __IBMCPP__ >= 400
-        #define wxLongLong_t long long
-#else // no native long long type
+#ifndef wxLongLong_t
     // both warning and pragma warning are not portable, but at least an
-    // unknown pragma should never be an error - unless the compiler is
-    // seriously broken as Watcom C++ seems to be...
-#ifndef __WATCOMC__
-    #pragma warning "Your compiler does not appear to support 64 bit "\
-                    "integers, using emulation class instead."
-#endif
+    // 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.wxwidgets.org!"
+    #endif
+
     #define wxUSE_LONGLONG_WX 1
 #endif // compiler
 
@@ -84,8 +63,16 @@
         #define wxUSE_LONGLONG_NATIVE 0
     #endif
 
-    class WXDLLEXPORT wxLongLongWx;
+    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
@@ -95,8 +82,10 @@
 
 #ifndef wxUSE_LONGLONG_WX
     #define wxUSE_LONGLONG_WX 0
-    class WXDLLEXPORT wxLongLongNative;
+    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
@@ -107,25 +96,28 @@
 // ----------------------------------------------------------------------------
 
 // 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(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;
     }
+#if wxUSE_LONGLONG_WX
+    wxLongLongNative(wxLongLongWx ll);
+#endif
 
     // default copy ctor is ok
 
@@ -135,6 +127,10 @@ public:
         // from native 64 bit integer
     wxLongLongNative& operator=(wxLongLong_t ll)
         { m_ll = ll; return *this; }
+#if wxUSE_LONGLONG_WX
+    wxLongLongNative& operator=(wxLongLongWx 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
@@ -189,12 +185,13 @@ public:
         { 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
@@ -212,8 +209,8 @@ public:
         { 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
@@ -295,23 +292,218 @@ public:
         { 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&);
+
 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(unsigned long hi, unsigned long lo) : m_ll(0)
+    {
+        // assign first to avoid precision loss!
+        m_ll = ((wxULongLong_t) hi) << 32;
+        m_ll |= (wxULongLong_t) lo;
+    }
+
+    // default copy ctor is ok
+
+    // no dtor
+
+    // assignment operators
+        // from native 64 bit integer
+    wxULongLongNative& operator=(wxULongLong_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
+    wxULongLong_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 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&);
+
+private:
+    wxULongLong_t  m_ll;
+};
+
 #endif // wxUSE_LONGLONG_NATIVE
 
 #if wxUSE_LONGLONG_WX
 
-class WXDLLEXPORT wxLongLongWx
+class WXDLLIMPEXP_BASE wxLongLongWx
 {
 public:
     // ctors
@@ -446,6 +638,10 @@ public:
     // 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;
@@ -481,11 +677,19 @@ public:
                 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() const;
+    friend WXDLLIMPEXP_BASE
+    wxString& operator<<(wxString&, const wxLongLongWx&);
 
 private:
     // long is at least 32 bits, so represent our 64bit number as 2 longs
@@ -503,20 +707,224 @@ private:
 #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;
+    }
+
+    // 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); }
+
+        // substraction
+    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&);
+
+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 wxLongLong WXDLLEXPORT operator+(long l, const wxLongLong& ll) { return ll + l; }
-inline wxLongLong WXDLLEXPORT operator-(long l, const wxLongLong& ll) { return ll - 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 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((long)ret.GetHi(),ret.GetLo());
+}
 
 #endif // _WX_LONGLONG_H