// 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: $Id$
#endif
#include "wx/defs.h"
-#include "wx/wxchar.h"
-#include "wx/debug.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
-#define wxLONGLONG_TEST_MODE
+// 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
// 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 wxLongLongIsLong
#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ )
#define wxLongLong_t __int64
-#elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x530)
+#elif defined(__BORLANDC__) && defined(__WIN32__) && (__BORLANDC__ >= 0x520)
#define wxLongLong_t __int64
-#elif defined(__GNUG__)
+#elif defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG >= 8
+ #define wxLongLong_t long long
+#elif defined(__MINGW32__) || defined(__CYGWIN__) || defined(__WXMICROWIN__)
#define wxLongLong_t long long
#elif defined(__MWERKS__)
#if __option(longlong)
#endif
#elif defined(__VISAGECPP__) && __IBMCPP__ >= 400
#define wxLongLong_t long long
+#elif defined(__DJGPP__) && __DJGPP__ >= 2
+ #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.
- // Err, actually, Watcom C++ doesn't like it.
- // (well, if the compilers are _that_ broken, I'm removing it (VZ))
-#if 0 //ndef __WATCOMC__
+ // 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."
+ "integers, using emulation class instead.\n" \
+ "Please report your compiler version to " \
+ "wx-dev@lists.wxwindows.org!"
#endif
#define wxUSE_LONGLONG_WX 1
// 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 nad only there
+ // this is useful in test programs and only there
#ifndef wxUSE_LONGLONG_NATIVE
#define wxUSE_LONGLONG_NATIVE 0
#endif
class WXDLLEXPORT wxLongLongWx;
+ class WXDLLEXPORT 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 WXDLLEXPORT wxULongLongNative;
typedef wxLongLongNative wxLongLong;
+ typedef wxULongLongNative wxULongLong;
#endif
// NB: if both wxUSE_LONGLONG_WX and NATIVE are defined, the user code should
// 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 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 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)
+ {
+ // 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)
+ { m_ll++; return *this; }
+
+ // 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)
+ { m_ll--; return *this; }
+
+ // 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
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
-#if wxUSE_STD_IOSTREAM
- friend ostream& operator<<(ostream&, const wxLongLongWx&);
-#endif // wxUSE_STD_IOSTREAM
+
+ // 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
#endif // wxLONGLONG_TEST_MODE
};
+
+class WXDLLEXPORT 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 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; }
+
+// FIXME: this should return wxLongLong
+inline wxULongLong operator-(unsigned long l, const wxULongLong& ull)
+{
+ return wxULongLong(l) - ull;
+}
#endif // _WX_LONGLONG_H
projects / wxWidgets.git / blobdiff