// 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__)
#define wxLongLong_t long long
#elif defined(__MWERKS__)
#if __option(longlong)
#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;
+#if defined(__VISUALC__) && !defined(__WIN32__)
+ #define wxLongLong wxLongLongWx
+#else
typedef wxLongLongWx wxLongLong;
+#endif
+
#else
// if nothing is defined, use native implementation by default, of course
#ifndef wxUSE_LONGLONG_NATIVE
// 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:
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
// 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 WXDLLEXPORT operator+(long l, const wxLongLong& ll) { return ll + l; }
-inline wxLongLong WXDLLEXPORT 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 ll - l; }
#endif // _WX_LONGLONG_H
projects / wxWidgets.git / blobdiff