X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2a31049201e9c1ff9f515eb9d144ae392f4b4e5a..8ac7c5092401be067f7c727ad8e2bf7274c05866:/include/wx/longlong.h diff --git a/include/wx/longlong.h b/include/wx/longlong.h index d2f1ed26de..852168dc24 100644 --- a/include/wx/longlong.h +++ b/include/wx/longlong.h @@ -3,8 +3,6 @@ // Purpose: declaration of wxLongLong class - best implementation of a 64 // bit integer for the current platform. // Author: Jeffrey C. Ollie , 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: $Id$ @@ -20,15 +18,16 @@ #endif #include "wx/defs.h" -#include "wx/wxchar.h" -#include "wx/debug.h" +#include "wx/string.h" #include // 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 @@ -46,14 +45,19 @@ // 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) @@ -64,14 +68,18 @@ #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 + // +#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 @@ -82,13 +90,21 @@ // 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 @@ -99,7 +115,9 @@ #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 @@ -198,6 +216,7 @@ public: // negation operator wxLongLongNative operator-() const { return wxLongLongNative(-m_ll); } + wxLongLongNative& Negate() { m_ll = -m_ll; return *this; } // subtraction wxLongLongNative operator-(const wxLongLongNative& ll) const @@ -298,18 +317,205 @@ 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 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 @@ -458,6 +664,17 @@ public: 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); @@ -473,12 +690,16 @@ public: 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 @@ -495,20 +716,212 @@ private: #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