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