X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1ef54dcf125ad687ccfd32195fe2f449910e7d5f..924ef85080e1b257900110f0c3298a8c19acaeab:/include/wx/longlong.h diff --git a/include/wx/longlong.h b/include/wx/longlong.h index 1e5ee03100..26be8638bb 100644 --- a/include/wx/longlong.h +++ b/include/wx/longlong.h @@ -25,6 +25,8 @@ #include // for LONG_MAX +// #define wxUSE_LONGLONG_WX 1 // for testing (VZ) + // ---------------------------------------------------------------------------- // decide upon which class we will use // ---------------------------------------------------------------------------- @@ -39,7 +41,9 @@ #if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8) #define wxLongLong_t long #define wxLongLongIsLong -#elif defined(__VISUALC__) +#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 @@ -50,16 +54,22 @@ #error "The 64 bit integer support in CodeWarrior has been disabled." #error "See the documentation on the 'longlong' pragma." #endif -#else - #warning "Your compiler does not appear to support 64 bit integers, "\ - "using emulation class instead." +#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. +#ifndef __WATCOMC__ + #pragma warning "Your compiler does not appear to support 64 bit "\ + "integers, using emulation class instead." +#endif + #define wxUSE_LONGLONG_WX 1 #endif // compiler // 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 -#ifndef wxLongLong_t +#if (defined(wxUSE_LONGLONG_WX) && wxUSE_LONGLONG_WX) || !defined(wxLongLong_t) #undef wxUSE_LONGLONG_NATIVE #define wxUSE_LONGLONG_NATIVE 0 class WXDLLEXPORT wxLongLongWx; @@ -114,6 +124,12 @@ public: 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 @@ -125,6 +141,7 @@ public: { 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 @@ -303,6 +320,8 @@ public: // from long wxLongLongWx& operator=(long l) { m_lo = l; m_hi = (l < 0 ? -1l : 0l); return *this; } + // from double + wxLongLongWx& Assign(double d); // can't have assignment operator from 2 longs // accessors @@ -311,6 +330,19 @@ public: // 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; return *this; } + + // convert to long with range checking in the debug mode (only!) + long ToLong() const + { + wxASSERT_MSG( m_hi == 0l, + _T("wxLongLong to long conversion loss of precision") ); + + return (long)m_lo; + } + // operations // addition wxLongLongWx operator+(const wxLongLongWx& ll) const; @@ -356,28 +388,38 @@ public: wxLongLongWx operator~() const; // comparison - bool operator==(const wxLongLongWx& ll) const; - bool operator!=(const wxLongLongWx& ll) const; + 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; - 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; } // multiplication wxLongLongWx operator*(const wxLongLongWx& ll) const; wxLongLongWx& operator*=(const wxLongLongWx& ll); - void *asArray(void) const; // 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; -#if wxUSE_STD_IOSTREAM // input/output +#if wxUSE_STD_IOSTREAM friend ostream& operator<<(ostream&, const wxLongLongWx&); #endif // wxUSE_STD_IOSTREAM + void *asArray(void) const; + private: // long is at least 32 bits, so represent our 64bit number as 2 longs @@ -387,4 +429,18 @@ private: #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 wxLongLong WXDLLEXPORT operator+(long l, const wxLongLong& ll) { return ll + l; } +inline wxLongLong WXDLLEXPORT operator-(long l, const wxLongLong& ll) { return ll - l; } + #endif // _WX_LONGLONG_H