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