include/wx/longlong.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/longlong.h
   3 // Purpose:     declaration of wxLongLong class - best implementation of a 64
   4 //              bit integer for the current platform.
   5 // Author:      Jeffrey C. Ollie <jeff@ollie.clive.ia.us>, Vadim Zeitlin
   6 // Modified by:
   7 // Created:     10.02.99
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_LONGLONG_H
  14 #define _WX_LONGLONG_H
  15
  16 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  17     #pragma interface "longlong.h"
  18 #endif
  19
  20 #include "wx/defs.h"
  21 #include "wx/string.h"
  22
  23 #include <limits.h>     // for LONG_MAX
  24
  25 // define this to compile wxLongLongWx in "test" mode: the results of all
  26 // calculations will be compared with the real results taken from
  27 // wxLongLongNative -- this is extremely useful to find the bugs in
  28 // wxLongLongWx class!
  29
  30 // #define wxLONGLONG_TEST_MODE
  31
  32 #ifdef wxLONGLONG_TEST_MODE
  33     #define wxUSE_LONGLONG_WX 1
  34     #define wxUSE_LONGLONG_NATIVE 1
  35 #endif // wxLONGLONG_TEST_MODE
  36
  37 // ----------------------------------------------------------------------------
  38 // decide upon which class we will use
  39 // ----------------------------------------------------------------------------
  40
  41 // to avoid compilation problems on 64bit machines with ambiguous method calls
  42 // we will need to define this
  43 #undef wxLongLongIsLong
  44
  45 // NB: we #define and not typedef wxLongLong_t because we want to be able to
  46 //     use 'unsigned wxLongLong_t' as well and because we use "#ifdef
  47 //     wxLongLong_t" below
  48
  49 // first check for generic cases which are long on 64bit machine and "long
  50 // long", then check for specific compilers
  51 #if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8)
  52     #define wxLongLong_t long
  53     #define wxLongLongSuffix l
  54     #define wxLongLongFmtSpec _T("l")
  55     #define wxLongLongIsLong
  56 #elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ )
  57     #define wxLongLong_t __int64
  58     #define wxLongLongSuffix i64
  59     #define wxLongLongFmtSpec _T("I64")
  60 #elif defined(__BORLANDC__) && defined(__WIN32__) && (__BORLANDC__ >= 0x520)
  61     #define wxLongLong_t __int64
  62     #define wxLongLongSuffix i64
  63     #define wxLongLongFmtSpec _T("Ld")
  64 #elif (defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG >= 8)  || \
  65         defined(__MINGW32__) || \
  66         defined(__GNUC__) || \
  67         defined(__CYGWIN__) || \
  68         defined(__WXMICROWIN__) || \
  69         (defined(__DJGPP__) && __DJGPP__ >= 2)
  70     #define wxLongLong_t long long
  71     #define wxLongLongSuffix ll
  72     #define wxLongLongFmtSpec _T("ll")
  73 #elif defined(__MWERKS__)
  74     #if __option(longlong)
  75         #define wxLongLong_t long long
  76         #define wxLongLongSuffix ll
  77         #define wxLongLongFmtSpec _T("ll")
  78     #else
  79         #error "The 64 bit integer support in CodeWarrior has been disabled."
  80         #error "See the documentation on the 'longlong' pragma."
  81     #endif
  82 #elif defined(__VISAGECPP__) && __IBMCPP__ >= 400
  83     #define wxLongLong_t long long
  84 #else // no native long long type
  85     // both warning and pragma warning are not portable, but at least an
  86     // unknown pragma should never be an error -- except that, actually, some
  87     // broken compilers don't like it, so we have to disable it in this case
  88     // <sigh>
  89 #if !(defined(__WATCOMC__) || defined(__VISAGECPP__))
  90     #pragma warning "Your compiler does not appear to support 64 bit "\
  91                     "integers, using emulation class instead.\n" \
  92                     "Please report your compiler version to " \
  93                     "wx-dev@lists.wxwindows.org!"
  94 #endif
  95
  96     #define wxUSE_LONGLONG_WX 1
  97 #endif // compiler
  98
  99 // this macro allows to definea 64 bit constant in a portable way
 100 #define wxMakeLongLong(x, s) x ## s
 101 #define wxMakeLongLong2(x, s) wxMakeLongLong(x, s)
 102 #define wxLL(x) wxMakeLongLong2(x, wxLongLongSuffix)
 103
 104 // the user may predefine wxUSE_LONGLONG_NATIVE and/or wxUSE_LONGLONG_NATIVE
 105 // to disable automatic testing (useful for the test program which defines
 106 // both classes) but by default we only use one class
 107 #if (defined(wxUSE_LONGLONG_WX) && wxUSE_LONGLONG_WX) || !defined(wxLongLong_t)
 108     // don't use both classes unless wxUSE_LONGLONG_NATIVE was explicitly set:
 109     // this is useful in test programs and only there
 110     #ifndef wxUSE_LONGLONG_NATIVE
 111         #define wxUSE_LONGLONG_NATIVE 0
 112     #endif
 113
 114     class WXDLLIMPEXP_BASE wxLongLongWx;
 115     class WXDLLIMPEXP_BASE wxULongLongWx;
 116 #if defined(__VISUALC__) && !defined(__WIN32__)
 117     #define wxLongLong wxLongLongWx
 118     #define wxULongLong wxULongLongWx
 119 #else
 120     typedef wxLongLongWx wxLongLong;
 121     typedef wxULongLongWx wxULongLong;
 122 #endif
 123
 124 #else
 125     // if nothing is defined, use native implementation by default, of course
 126     #ifndef wxUSE_LONGLONG_NATIVE
 127         #define wxUSE_LONGLONG_NATIVE 1
 128     #endif
 129 #endif
 130
 131 #ifndef wxUSE_LONGLONG_WX
 132     #define wxUSE_LONGLONG_WX 0
 133     class WXDLLIMPEXP_BASE wxLongLongNative;
 134     class WXDLLIMPEXP_BASE wxULongLongNative;
 135     typedef wxLongLongNative wxLongLong;
 136     typedef wxULongLongNative wxULongLong;
 137 #endif
 138
 139 // NB: if both wxUSE_LONGLONG_WX and NATIVE are defined, the user code should
 140 //     typedef wxLongLong as it wants, we don't do it
 141
 142 // ----------------------------------------------------------------------------
 143 // choose the appropriate class
 144 // ----------------------------------------------------------------------------
 145
 146 // we use iostream for wxLongLong output
 147 #include "wx/iosfwrap.h"
 148
 149 #if wxUSE_LONGLONG_NATIVE
 150
 151 class WXDLLIMPEXP_BASE wxLongLongNative
 152 {
 153 public:
 154     // ctors
 155         // default ctor initializes to 0
 156     wxLongLongNative() : m_ll(0) { }
 157         // from long long
 158     wxLongLongNative(wxLongLong_t ll) : m_ll(ll) { }
 159         // from 2 longs
 160     wxLongLongNative(long hi, unsigned long lo) : m_ll(0)
 161     {
 162         // assign first to avoid precision loss!
 163         m_ll = ((wxLongLong_t) hi) << 32;
 164         m_ll |= (wxLongLong_t) lo;
 165     }
 166
 167     // default copy ctor is ok
 168
 169     // no dtor
 170
 171     // assignment operators
 172         // from native 64 bit integer
 173     wxLongLongNative& operator=(wxLongLong_t ll)
 174         { m_ll = ll; return *this; }
 175
 176         // from double: this one has an explicit name because otherwise we
 177         // would have ambiguity with "ll = int" and also because we don't want
 178         // to have implicit conversions between doubles and wxLongLongs
 179     wxLongLongNative& Assign(double d)
 180         { m_ll = (wxLongLong_t)d; return *this; }
 181
 182     // assignment operators from wxLongLongNative is ok
 183
 184     // accessors
 185         // get high part
 186     long GetHi() const
 187         { return (long)(m_ll >> 32); }
 188         // get low part
 189     unsigned long GetLo() const
 190         { return (unsigned long)m_ll; }
 191
 192         // get absolute value
 193     wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); }
 194     wxLongLongNative& Abs() { if ( m_ll < 0 ) m_ll = -m_ll; return *this; }
 195
 196         // convert to native long long
 197     wxLongLong_t GetValue() const { return m_ll; }
 198
 199         // convert to long with range checking in the debug mode (only!)
 200     long ToLong() const
 201     {
 202         wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX),
 203                       _T("wxLongLong to long conversion loss of precision") );
 204
 205         return (long)m_ll;
 206     }
 207
 208     // don't provide implicit conversion to wxLongLong_t or we will have an
 209     // ambiguity for all arithmetic operations
 210     //operator wxLongLong_t() const { return m_ll; }
 211
 212     // operations
 213         // addition
 214     wxLongLongNative operator+(const wxLongLongNative& ll) const
 215         { return wxLongLongNative(m_ll + ll.m_ll); }
 216     wxLongLongNative& operator+=(const wxLongLongNative& ll)
 217         { m_ll += ll.m_ll; return *this; }
 218
 219     wxLongLongNative operator+(const wxLongLong_t ll) const
 220         { return wxLongLongNative(m_ll + ll); }
 221     wxLongLongNative& operator+=(const wxLongLong_t ll)
 222         { m_ll += ll; return *this; }
 223
 224         // pre increment
 225     wxLongLongNative& operator++()
 226         { m_ll++; return *this; }
 227
 228         // post increment
 229     wxLongLongNative operator++(int)
 230         { wxLongLongNative value(*this); m_ll++; return value; }
 231
 232         // negation operator
 233     wxLongLongNative operator-() const
 234         { return wxLongLongNative(-m_ll); }
 235     wxLongLongNative& Negate() { m_ll = -m_ll; return *this; }
 236
 237         // subtraction
 238     wxLongLongNative operator-(const wxLongLongNative& ll) const
 239         { return wxLongLongNative(m_ll - ll.m_ll); }
 240     wxLongLongNative& operator-=(const wxLongLongNative& ll)
 241         { m_ll -= ll.m_ll; return *this; }
 242
 243     wxLongLongNative operator-(const wxLongLong_t ll) const
 244         { return wxLongLongNative(m_ll - ll); }
 245     wxLongLongNative& operator-=(const wxLongLong_t ll)
 246         { m_ll -= ll; return *this; }
 247
 248         // pre decrement
 249     wxLongLongNative& operator--()
 250         { m_ll--; return *this; }
 251
 252         // post decrement
 253     wxLongLongNative operator--(int)
 254         { wxLongLongNative value(*this); m_ll--; return value; }
 255
 256     // shifts
 257         // left shift
 258     wxLongLongNative operator<<(int shift) const
 259         { return wxLongLongNative(m_ll << shift);; }
 260     wxLongLongNative& operator<<=(int shift)
 261         { m_ll <<= shift; return *this; }
 262
 263         // right shift
 264     wxLongLongNative operator>>(int shift) const
 265         { return wxLongLongNative(m_ll >> shift);; }
 266     wxLongLongNative& operator>>=(int shift)
 267         { m_ll >>= shift; return *this; }
 268
 269     // bitwise operators
 270     wxLongLongNative operator&(const wxLongLongNative& ll) const
 271         { return wxLongLongNative(m_ll & ll.m_ll); }
 272     wxLongLongNative& operator&=(const wxLongLongNative& ll)
 273         { m_ll &= ll.m_ll; return *this; }
 274
 275     wxLongLongNative operator|(const wxLongLongNative& ll) const
 276         { return wxLongLongNative(m_ll | ll.m_ll); }
 277     wxLongLongNative& operator|=(const wxLongLongNative& ll)
 278         { m_ll |= ll.m_ll; return *this; }
 279
 280     wxLongLongNative operator^(const wxLongLongNative& ll) const
 281         { return wxLongLongNative(m_ll ^ ll.m_ll); }
 282     wxLongLongNative& operator^=(const wxLongLongNative& ll)
 283         { m_ll ^= ll.m_ll; return *this; }
 284
 285     // multiplication/division
 286     wxLongLongNative operator*(const wxLongLongNative& ll) const
 287         { return wxLongLongNative(m_ll * ll.m_ll); }
 288     wxLongLongNative operator*(long l) const
 289         { return wxLongLongNative(m_ll * l); }
 290     wxLongLongNative& operator*=(const wxLongLongNative& ll)
 291         { m_ll *= ll.m_ll; return *this; }
 292     wxLongLongNative& operator*=(long l)
 293         { m_ll *= l; return *this; }
 294
 295     wxLongLongNative operator/(const wxLongLongNative& ll) const
 296         { return wxLongLongNative(m_ll / ll.m_ll); }
 297     wxLongLongNative operator/(long l) const
 298         { return wxLongLongNative(m_ll / l); }
 299     wxLongLongNative& operator/=(const wxLongLongNative& ll)
 300         { m_ll /= ll.m_ll; return *this; }
 301     wxLongLongNative& operator/=(long l)
 302         { m_ll /= l; return *this; }
 303
 304     wxLongLongNative operator%(const wxLongLongNative& ll) const
 305         { return wxLongLongNative(m_ll % ll.m_ll); }
 306     wxLongLongNative operator%(long l) const
 307         { return wxLongLongNative(m_ll % l); }
 308
 309     // comparison
 310     bool operator==(const wxLongLongNative& ll) const
 311         { return m_ll == ll.m_ll; }
 312     bool operator==(long l) const
 313         { return m_ll == l; }
 314     bool operator!=(const wxLongLongNative& ll) const
 315         { return m_ll != ll.m_ll; }
 316     bool operator!=(long l) const
 317         { return m_ll != l; }
 318     bool operator<(const wxLongLongNative& ll) const
 319         { return m_ll < ll.m_ll; }
 320     bool operator<(long l) const
 321         { return m_ll < l; }
 322     bool operator>(const wxLongLongNative& ll) const
 323         { return m_ll > ll.m_ll; }
 324     bool operator>(long l) const
 325         { return m_ll > l; }
 326     bool operator<=(const wxLongLongNative& ll) const
 327         { return m_ll <= ll.m_ll; }
 328     bool operator<=(long l) const
 329         { return m_ll <= l; }
 330     bool operator>=(const wxLongLongNative& ll) const
 331         { return m_ll >= ll.m_ll; }
 332     bool operator>=(long l) const
 333         { return m_ll >= l; }
 334
 335     // miscellaneous
 336
 337         // return the string representation of this number
 338     wxString ToString() const;
 339
 340         // conversion to byte array: returns a pointer to static buffer!
 341     void *asArray() const;
 342
 343 #if wxUSE_STD_IOSTREAM
 344         // input/output
 345     friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongNative&);
 346 #endif
 347
 348 private:
 349     wxLongLong_t  m_ll;
 350 };
 351
 352
 353 class WXDLLIMPEXP_BASE wxULongLongNative
 354 {
 355 public:
 356     // ctors
 357         // default ctor initializes to 0
 358     wxULongLongNative() : m_ll(0) { }
 359         // from long long
 360     wxULongLongNative(unsigned wxLongLong_t ll) : m_ll(ll) { }
 361         // from 2 longs
 362     wxULongLongNative(unsigned long hi, unsigned long lo) : m_ll(0)
 363     {
 364         // assign first to avoid precision loss!
 365         m_ll = ((unsigned wxLongLong_t) hi) << 32;
 366         m_ll |= (unsigned wxLongLong_t) lo;
 367     }
 368
 369     // default copy ctor is ok
 370
 371     // no dtor
 372
 373     // assignment operators
 374         // from native 64 bit integer
 375     wxULongLongNative& operator=(unsigned wxLongLong_t ll)
 376         { m_ll = ll; return *this; }
 377
 378     // assignment operators from wxULongLongNative is ok
 379
 380     // accessors
 381         // get high part
 382     unsigned long GetHi() const
 383         { return (unsigned long)(m_ll >> 32); }
 384         // get low part
 385     unsigned long GetLo() const
 386         { return (unsigned long)m_ll; }
 387
 388         // convert to native ulong long
 389     unsigned wxLongLong_t GetValue() const { return m_ll; }
 390
 391         // convert to ulong with range checking in the debug mode (only!)
 392     unsigned long ToULong() const
 393     {
 394         wxASSERT_MSG( m_ll <= LONG_MAX,
 395                       _T("wxULongLong to long conversion loss of precision") );
 396
 397         return (unsigned long)m_ll;
 398     }
 399
 400     // operations
 401         // addition
 402     wxULongLongNative operator+(const wxULongLongNative& ll) const
 403         { return wxULongLongNative(m_ll + ll.m_ll); }
 404     wxULongLongNative& operator+=(const wxULongLongNative& ll)
 405         { m_ll += ll.m_ll; return *this; }
 406
 407     wxULongLongNative operator+(const unsigned wxLongLong_t ll) const
 408         { return wxULongLongNative(m_ll + ll); }
 409     wxULongLongNative& operator+=(const unsigned wxLongLong_t ll)
 410         { m_ll += ll; return *this; }
 411
 412         // pre increment
 413     wxULongLongNative& operator++()
 414         { m_ll++; return *this; }
 415
 416         // post increment
 417     wxULongLongNative operator++(int)
 418         { wxULongLongNative value(*this); m_ll++; return value; }
 419
 420         // subtraction
 421     wxULongLongNative operator-(const wxULongLongNative& ll) const
 422         { return wxULongLongNative(m_ll - ll.m_ll); }
 423     wxULongLongNative& operator-=(const wxULongLongNative& ll)
 424         { m_ll -= ll.m_ll; return *this; }
 425
 426     wxULongLongNative operator-(const unsigned wxLongLong_t ll) const
 427         { return wxULongLongNative(m_ll - ll); }
 428     wxULongLongNative& operator-=(const unsigned wxLongLong_t ll)
 429         { m_ll -= ll; return *this; }
 430
 431         // pre decrement
 432     wxULongLongNative& operator--()
 433         { m_ll--; return *this; }
 434
 435         // post decrement
 436     wxULongLongNative operator--(int)
 437         { wxULongLongNative value(*this); m_ll--; return value; }
 438
 439     // shifts
 440         // left shift
 441     wxULongLongNative operator<<(int shift) const
 442         { return wxULongLongNative(m_ll << shift);; }
 443     wxULongLongNative& operator<<=(int shift)
 444         { m_ll <<= shift; return *this; }
 445
 446         // right shift
 447     wxULongLongNative operator>>(int shift) const
 448         { return wxULongLongNative(m_ll >> shift);; }
 449     wxULongLongNative& operator>>=(int shift)
 450         { m_ll >>= shift; return *this; }
 451
 452     // bitwise operators
 453     wxULongLongNative operator&(const wxULongLongNative& ll) const
 454         { return wxULongLongNative(m_ll & ll.m_ll); }
 455     wxULongLongNative& operator&=(const wxULongLongNative& ll)
 456         { m_ll &= ll.m_ll; return *this; }
 457
 458     wxULongLongNative operator|(const wxULongLongNative& ll) const
 459         { return wxULongLongNative(m_ll | ll.m_ll); }
 460     wxULongLongNative& operator|=(const wxULongLongNative& ll)
 461         { m_ll |= ll.m_ll; return *this; }
 462
 463     wxULongLongNative operator^(const wxULongLongNative& ll) const
 464         { return wxULongLongNative(m_ll ^ ll.m_ll); }
 465     wxULongLongNative& operator^=(const wxULongLongNative& ll)
 466         { m_ll ^= ll.m_ll; return *this; }
 467
 468     // multiplication/division
 469     wxULongLongNative operator*(const wxULongLongNative& ll) const
 470         { return wxULongLongNative(m_ll * ll.m_ll); }
 471     wxULongLongNative operator*(unsigned long l) const
 472         { return wxULongLongNative(m_ll * l); }
 473     wxULongLongNative& operator*=(const wxULongLongNative& ll)
 474         { m_ll *= ll.m_ll; return *this; }
 475     wxULongLongNative& operator*=(unsigned long l)
 476         { m_ll *= l; return *this; }
 477
 478     wxULongLongNative operator/(const wxULongLongNative& ll) const
 479         { return wxULongLongNative(m_ll / ll.m_ll); }
 480     wxULongLongNative operator/(unsigned long l) const
 481         { return wxULongLongNative(m_ll / l); }
 482     wxULongLongNative& operator/=(const wxULongLongNative& ll)
 483         { m_ll /= ll.m_ll; return *this; }
 484     wxULongLongNative& operator/=(unsigned long l)
 485         { m_ll /= l; return *this; }
 486
 487     wxULongLongNative operator%(const wxULongLongNative& ll) const
 488         { return wxULongLongNative(m_ll % ll.m_ll); }
 489     wxULongLongNative operator%(unsigned long l) const
 490         { return wxULongLongNative(m_ll % l); }
 491
 492     // comparison
 493     bool operator==(const wxULongLongNative& ll) const
 494         { return m_ll == ll.m_ll; }
 495     bool operator==(unsigned long l) const
 496         { return m_ll == l; }
 497     bool operator!=(const wxULongLongNative& ll) const
 498         { return m_ll != ll.m_ll; }
 499     bool operator!=(unsigned long l) const
 500         { return m_ll != l; }
 501     bool operator<(const wxULongLongNative& ll) const
 502         { return m_ll < ll.m_ll; }
 503     bool operator<(unsigned long l) const
 504         { return m_ll < l; }
 505     bool operator>(const wxULongLongNative& ll) const
 506         { return m_ll > ll.m_ll; }
 507     bool operator>(unsigned long l) const
 508         { return m_ll > l; }
 509     bool operator<=(const wxULongLongNative& ll) const
 510         { return m_ll <= ll.m_ll; }
 511     bool operator<=(unsigned long l) const
 512         { return m_ll <= l; }
 513     bool operator>=(const wxULongLongNative& ll) const
 514         { return m_ll >= ll.m_ll; }
 515     bool operator>=(unsigned long l) const
 516         { return m_ll >= l; }
 517
 518     // miscellaneous
 519
 520         // return the string representation of this number
 521     wxString ToString() const;
 522
 523         // conversion to byte array: returns a pointer to static buffer!
 524     void *asArray() const;
 525
 526 #if wxUSE_STD_IOSTREAM
 527         // input/output
 528     friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
 529 #endif
 530
 531 private:
 532     unsigned wxLongLong_t  m_ll;
 533 };
 534
 535 #endif // wxUSE_LONGLONG_NATIVE
 536
 537 #if wxUSE_LONGLONG_WX
 538
 539 class WXDLLIMPEXP_BASE wxLongLongWx
 540 {
 541 public:
 542     // ctors
 543         // default ctor initializes to 0
 544     wxLongLongWx()
 545     {
 546         m_lo = m_hi = 0;
 547
 548 #ifdef wxLONGLONG_TEST_MODE
 549         m_ll = 0;
 550
 551         Check();
 552 #endif // wxLONGLONG_TEST_MODE
 553     }
 554         // from long
 555     wxLongLongWx(long l) { *this = l; }
 556         // from 2 longs
 557     wxLongLongWx(long hi, unsigned long lo)
 558     {
 559         m_hi = hi;
 560         m_lo = lo;
 561
 562 #ifdef wxLONGLONG_TEST_MODE
 563         m_ll = hi;
 564         m_ll <<= 32;
 565         m_ll |= lo;
 566
 567         Check();
 568 #endif // wxLONGLONG_TEST_MODE
 569     }
 570
 571     // default copy ctor is ok in both cases
 572
 573     // no dtor
 574
 575     // assignment operators
 576         // from long
 577     wxLongLongWx& operator=(long l)
 578     {
 579         m_lo = l;
 580         m_hi = (l < 0 ? -1l : 0l);
 581
 582 #ifdef wxLONGLONG_TEST_MODE
 583         m_ll = l;
 584
 585         Check();
 586 #endif // wxLONGLONG_TEST_MODE
 587
 588         return *this;
 589     }
 590         // from double
 591     wxLongLongWx& Assign(double d);
 592         // can't have assignment operator from 2 longs
 593
 594     // accessors
 595         // get high part
 596     long GetHi() const { return m_hi; }
 597         // get low part
 598     unsigned long GetLo() const { return m_lo; }
 599
 600         // get absolute value
 601     wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
 602     wxLongLongWx& Abs()
 603     {
 604         if ( m_hi < 0 )
 605             m_hi = -m_hi;
 606
 607 #ifdef wxLONGLONG_TEST_MODE
 608         if ( m_ll < 0 )
 609             m_ll = -m_ll;
 610
 611         Check();
 612 #endif // wxLONGLONG_TEST_MODE
 613
 614         return *this;
 615     }
 616
 617         // convert to long with range checking in the debug mode (only!)
 618     long ToLong() const
 619     {
 620         wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
 621                       _T("wxLongLong to long conversion loss of precision") );
 622
 623         return (long)m_lo;
 624     }
 625
 626     // operations
 627         // addition
 628     wxLongLongWx operator+(const wxLongLongWx& ll) const;
 629     wxLongLongWx& operator+=(const wxLongLongWx& ll);
 630     wxLongLongWx operator+(long l) const;
 631     wxLongLongWx& operator+=(long l);
 632
 633         // pre increment operator
 634     wxLongLongWx& operator++();
 635
 636         // post increment operator
 637     wxLongLongWx& operator++(int) { return ++(*this); }
 638
 639         // negation operator
 640     wxLongLongWx operator-() const;
 641     wxLongLongWx& Negate();
 642
 643         // subraction
 644     wxLongLongWx operator-(const wxLongLongWx& ll) const;
 645     wxLongLongWx& operator-=(const wxLongLongWx& ll);
 646
 647         // pre decrement operator
 648     wxLongLongWx& operator--();
 649
 650         // post decrement operator
 651     wxLongLongWx& operator--(int) { return --(*this); }
 652
 653     // shifts
 654         // left shift
 655     wxLongLongWx operator<<(int shift) const;
 656     wxLongLongWx& operator<<=(int shift);
 657
 658         // right shift
 659     wxLongLongWx operator>>(int shift) const;
 660     wxLongLongWx& operator>>=(int shift);
 661
 662     // bitwise operators
 663     wxLongLongWx operator&(const wxLongLongWx& ll) const;
 664     wxLongLongWx& operator&=(const wxLongLongWx& ll);
 665     wxLongLongWx operator|(const wxLongLongWx& ll) const;
 666     wxLongLongWx& operator|=(const wxLongLongWx& ll);
 667     wxLongLongWx operator^(const wxLongLongWx& ll) const;
 668     wxLongLongWx& operator^=(const wxLongLongWx& ll);
 669     wxLongLongWx operator~() const;
 670
 671     // comparison
 672     bool operator==(const wxLongLongWx& ll) const
 673         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 674     bool operator!=(const wxLongLongWx& ll) const
 675         { return !(*this == ll); }
 676     bool operator<(const wxLongLongWx& ll) const;
 677     bool operator>(const wxLongLongWx& ll) const;
 678     bool operator<=(const wxLongLongWx& ll) const
 679         { return *this < ll || *this == ll; }
 680     bool operator>=(const wxLongLongWx& ll) const
 681         { return *this > ll || *this == ll; }
 682
 683     bool operator<(long l) const { return *this < wxLongLongWx(l); }
 684     bool operator>(long l) const { return *this > wxLongLongWx(l); }
 685     bool operator==(long l) const
 686     {
 687         return l >= 0 ? (m_hi == 0 && m_lo == (unsigned long)l)
 688                       : (m_hi == -1 && m_lo == (unsigned long)l);
 689     }
 690
 691     bool operator<=(long l) const { return *this < l || *this == l; }
 692     bool operator>=(long l) const { return *this > l || *this == l; }
 693
 694     // multiplication
 695     wxLongLongWx operator*(const wxLongLongWx& ll) const;
 696     wxLongLongWx& operator*=(const wxLongLongWx& ll);
 697
 698     // division
 699     wxLongLongWx operator/(const wxLongLongWx& ll) const;
 700     wxLongLongWx& operator/=(const wxLongLongWx& ll);
 701
 702     wxLongLongWx operator%(const wxLongLongWx& ll) const;
 703
 704     void Divide(const wxLongLongWx& divisor,
 705                 wxLongLongWx& quotient,
 706                 wxLongLongWx& remainder) const;
 707
 708     // input/output
 709
 710     // return the string representation of this number
 711     wxString ToString() const;
 712
 713     void *asArray() const;
 714
 715 #if wxUSE_STD_IOSTREAM
 716     friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
 717 #endif // wxUSE_STD_IOSTREAM
 718
 719 private:
 720     // long is at least 32 bits, so represent our 64bit number as 2 longs
 721
 722     long m_hi;                // signed bit is in the high part
 723     unsigned long m_lo;
 724
 725 #ifdef wxLONGLONG_TEST_MODE
 726     void Check()
 727     {
 728         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
 729     }
 730
 731     wxLongLong_t m_ll;
 732 #endif // wxLONGLONG_TEST_MODE
 733 };
 734
 735
 736 class WXDLLIMPEXP_BASE wxULongLongWx
 737 {
 738 public:
 739     // ctors
 740         // default ctor initializes to 0
 741     wxULongLongWx()
 742     {
 743         m_lo = m_hi = 0;
 744
 745 #ifdef wxLONGLONG_TEST_MODE
 746         m_ll = 0;
 747
 748         Check();
 749 #endif // wxLONGLONG_TEST_MODE
 750     }
 751         // from ulong
 752     wxULongLongWx(unsigned long l) { *this = l; }
 753         // from 2 ulongs
 754     wxULongLongWx(unsigned long hi, unsigned long lo)
 755     {
 756         m_hi = hi;
 757         m_lo = lo;
 758
 759 #ifdef wxLONGLONG_TEST_MODE
 760         m_ll = hi;
 761         m_ll <<= 32;
 762         m_ll |= lo;
 763
 764         Check();
 765 #endif // wxLONGLONG_TEST_MODE
 766     }
 767
 768     // default copy ctor is ok in both cases
 769
 770     // no dtor
 771
 772     // assignment operators
 773         // from long
 774     wxULongLongWx& operator=(unsigned long l)
 775     {
 776         m_lo = l;
 777         m_hi = 0;
 778
 779 #ifdef wxLONGLONG_TEST_MODE
 780         m_ll = l;
 781
 782         Check();
 783 #endif // wxLONGLONG_TEST_MODE
 784
 785         return *this;
 786     }
 787
 788     // can't have assignment operator from 2 longs
 789
 790     // accessors
 791         // get high part
 792     unsigned long GetHi() const { return m_hi; }
 793         // get low part
 794     unsigned long GetLo() const { return m_lo; }
 795
 796         // convert to long with range checking in the debug mode (only!)
 797     unsigned long ToULong() const
 798     {
 799         wxASSERT_MSG( m_hi == 0ul,
 800                       _T("wxULongLong to long conversion loss of precision") );
 801
 802         return (unsigned long)m_lo;
 803     }
 804
 805     // operations
 806         // addition
 807     wxULongLongWx operator+(const wxULongLongWx& ll) const;
 808     wxULongLongWx& operator+=(const wxULongLongWx& ll);
 809     wxULongLongWx operator+(unsigned long l) const;
 810     wxULongLongWx& operator+=(unsigned long l);
 811
 812         // pre increment operator
 813     wxULongLongWx& operator++();
 814
 815         // post increment operator
 816     wxULongLongWx& operator++(int) { return ++(*this); }
 817
 818         // subraction (FIXME: should return wxLongLong)
 819     wxULongLongWx operator-(const wxULongLongWx& ll) const;
 820     wxULongLongWx& operator-=(const wxULongLongWx& ll);
 821
 822         // pre decrement operator
 823     wxULongLongWx& operator--();
 824
 825         // post decrement operator
 826     wxULongLongWx& operator--(int) { return --(*this); }
 827
 828     // shifts
 829         // left shift
 830     wxULongLongWx operator<<(int shift) const;
 831     wxULongLongWx& operator<<=(int shift);
 832
 833         // right shift
 834     wxULongLongWx operator>>(int shift) const;
 835     wxULongLongWx& operator>>=(int shift);
 836
 837     // bitwise operators
 838     wxULongLongWx operator&(const wxULongLongWx& ll) const;
 839     wxULongLongWx& operator&=(const wxULongLongWx& ll);
 840     wxULongLongWx operator|(const wxULongLongWx& ll) const;
 841     wxULongLongWx& operator|=(const wxULongLongWx& ll);
 842     wxULongLongWx operator^(const wxULongLongWx& ll) const;
 843     wxULongLongWx& operator^=(const wxULongLongWx& ll);
 844     wxULongLongWx operator~() const;
 845
 846     // comparison
 847     bool operator==(const wxULongLongWx& ll) const
 848         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 849     bool operator!=(const wxULongLongWx& ll) const
 850         { return !(*this == ll); }
 851     bool operator<(const wxULongLongWx& ll) const;
 852     bool operator>(const wxULongLongWx& ll) const;
 853     bool operator<=(const wxULongLongWx& ll) const
 854         { return *this < ll || *this == ll; }
 855     bool operator>=(const wxULongLongWx& ll) const
 856         { return *this > ll || *this == ll; }
 857
 858     bool operator<(unsigned long l) const { return *this < wxULongLongWx(l); }
 859     bool operator>(unsigned long l) const { return *this > wxULongLongWx(l); }
 860     bool operator==(unsigned long l) const
 861     {
 862         return (m_hi == 0 && m_lo == (unsigned long)l);
 863     }
 864
 865     bool operator<=(unsigned long l) const { return *this < l || *this == l; }
 866     bool operator>=(unsigned long l) const { return *this > l || *this == l; }
 867
 868     // multiplication
 869     wxULongLongWx operator*(const wxULongLongWx& ll) const;
 870     wxULongLongWx& operator*=(const wxULongLongWx& ll);
 871
 872     // division
 873     wxULongLongWx operator/(const wxULongLongWx& ll) const;
 874     wxULongLongWx& operator/=(const wxULongLongWx& ll);
 875
 876     wxULongLongWx operator%(const wxULongLongWx& ll) const;
 877
 878     void Divide(const wxULongLongWx& divisor,
 879                 wxULongLongWx& quotient,
 880                 wxULongLongWx& remainder) const;
 881
 882     // input/output
 883
 884     // return the string representation of this number
 885     wxString ToString() const;
 886
 887     void *asArray() const;
 888
 889 #if wxUSE_STD_IOSTREAM
 890     friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
 891 #endif // wxUSE_STD_IOSTREAM
 892
 893 private:
 894     // long is at least 32 bits, so represent our 64bit number as 2 longs
 895
 896     unsigned long m_hi;
 897     unsigned long m_lo;
 898
 899 #ifdef wxLONGLONG_TEST_MODE
 900     void Check()
 901     {
 902         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
 903     }
 904
 905     unsigned wxLongLong_t m_ll;
 906 #endif // wxLONGLONG_TEST_MODE
 907 };
 908
 909 #endif // wxUSE_LONGLONG_WX
 910
 911 // ----------------------------------------------------------------------------
 912 // binary operators
 913 // ----------------------------------------------------------------------------
 914
 915 inline bool operator<(long l, const wxLongLong& ll) { return ll > l; }
 916 inline bool operator>(long l, const wxLongLong& ll) { return ll < l; }
 917 inline bool operator<=(long l, const wxLongLong& ll) { return ll >= l; }
 918 inline bool operator>=(long l, const wxLongLong& ll) { return ll <= l; }
 919 inline bool operator==(long l, const wxLongLong& ll) { return ll == l; }
 920 inline bool operator!=(long l, const wxLongLong& ll) { return ll != l; }
 921
 922 inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; }
 923 inline wxLongLong operator-(long l, const wxLongLong& ll)
 924 {
 925     return wxLongLong(l) - ll;
 926 }
 927
 928 inline bool operator<(unsigned long l, const wxULongLong& ull) { return ull > l; }
 929 inline bool operator>(unsigned long l, const wxULongLong& ull) { return ull < l; }
 930 inline bool operator<=(unsigned long l, const wxULongLong& ull) { return ull >= l; }
 931 inline bool operator>=(unsigned long l, const wxULongLong& ull) { return ull <= l; }
 932 inline bool operator==(unsigned long l, const wxULongLong& ull) { return ull == l; }
 933 inline bool operator!=(unsigned long l, const wxULongLong& ull) { return ull != l; }
 934
 935 inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; }
 936
 937 // FIXME: this should return wxLongLong
 938 inline wxULongLong operator-(unsigned long l, const wxULongLong& ull)
 939 {
 940     return wxULongLong(l) - ull;
 941 }
 942
 943 #endif // _WX_LONGLONG_H