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 WXDLLIMPEXP_BASE
 490     wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
 491 #endif
 492
 493     friend WXDLLIMPEXP_BASE
 494     wxString& operator<<(wxString&, const wxULongLongNative&);
 495
 496 private:
 497     unsigned wxLongLong_t  m_ll;
 498 };
 499
 500 #endif // wxUSE_LONGLONG_NATIVE
 501
 502 #if wxUSE_LONGLONG_WX
 503
 504 class WXDLLIMPEXP_BASE wxLongLongWx
 505 {
 506 public:
 507     // ctors
 508         // default ctor initializes to 0
 509     wxLongLongWx()
 510     {
 511         m_lo = m_hi = 0;
 512
 513 #ifdef wxLONGLONG_TEST_MODE
 514         m_ll = 0;
 515
 516         Check();
 517 #endif // wxLONGLONG_TEST_MODE
 518     }
 519         // from long
 520     wxLongLongWx(long l) { *this = l; }
 521         // from 2 longs
 522     wxLongLongWx(long hi, unsigned long lo)
 523     {
 524         m_hi = hi;
 525         m_lo = lo;
 526
 527 #ifdef wxLONGLONG_TEST_MODE
 528         m_ll = hi;
 529         m_ll <<= 32;
 530         m_ll |= lo;
 531
 532         Check();
 533 #endif // wxLONGLONG_TEST_MODE
 534     }
 535
 536     // default copy ctor is ok in both cases
 537
 538     // no dtor
 539
 540     // assignment operators
 541         // from long
 542     wxLongLongWx& operator=(long l)
 543     {
 544         m_lo = l;
 545         m_hi = (l < 0 ? -1l : 0l);
 546
 547 #ifdef wxLONGLONG_TEST_MODE
 548         m_ll = l;
 549
 550         Check();
 551 #endif // wxLONGLONG_TEST_MODE
 552
 553         return *this;
 554     }
 555         // from double
 556     wxLongLongWx& Assign(double d);
 557         // can't have assignment operator from 2 longs
 558
 559     // accessors
 560         // get high part
 561     long GetHi() const { return m_hi; }
 562         // get low part
 563     unsigned long GetLo() const { return m_lo; }
 564
 565         // get absolute value
 566     wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
 567     wxLongLongWx& Abs()
 568     {
 569         if ( m_hi < 0 )
 570             m_hi = -m_hi;
 571
 572 #ifdef wxLONGLONG_TEST_MODE
 573         if ( m_ll < 0 )
 574             m_ll = -m_ll;
 575
 576         Check();
 577 #endif // wxLONGLONG_TEST_MODE
 578
 579         return *this;
 580     }
 581
 582         // convert to long with range checking in the debug mode (only!)
 583     long ToLong() const
 584     {
 585         wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
 586                       _T("wxLongLong to long conversion loss of precision") );
 587
 588         return (long)m_lo;
 589     }
 590
 591     // operations
 592         // addition
 593     wxLongLongWx operator+(const wxLongLongWx& ll) const;
 594     wxLongLongWx& operator+=(const wxLongLongWx& ll);
 595     wxLongLongWx operator+(long l) const;
 596     wxLongLongWx& operator+=(long l);
 597
 598         // pre increment operator
 599     wxLongLongWx& operator++();
 600
 601         // post increment operator
 602     wxLongLongWx& operator++(int) { return ++(*this); }
 603
 604         // negation operator
 605     wxLongLongWx operator-() const;
 606     wxLongLongWx& Negate();
 607
 608         // subraction
 609     wxLongLongWx operator-(const wxLongLongWx& ll) const;
 610     wxLongLongWx& operator-=(const wxLongLongWx& ll);
 611
 612         // pre decrement operator
 613     wxLongLongWx& operator--();
 614
 615         // post decrement operator
 616     wxLongLongWx& operator--(int) { return --(*this); }
 617
 618     // shifts
 619         // left shift
 620     wxLongLongWx operator<<(int shift) const;
 621     wxLongLongWx& operator<<=(int shift);
 622
 623         // right shift
 624     wxLongLongWx operator>>(int shift) const;
 625     wxLongLongWx& operator>>=(int shift);
 626
 627     // bitwise operators
 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 wxLongLongWx& ll) const;
 633     wxLongLongWx& operator^=(const wxLongLongWx& ll);
 634     wxLongLongWx operator~() const;
 635
 636     // comparison
 637     bool operator==(const wxLongLongWx& ll) const
 638         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 639 #if wxUSE_LONGLONG_NATIVE
 640     bool operator==(const wxLongLongNative& ll) const
 641         { return m_lo == ll.GetLo() && m_hi == ll.GetHi(); }
 642 #endif
 643     bool operator!=(const wxLongLongWx& ll) const
 644         { return !(*this == ll); }
 645     bool operator<(const wxLongLongWx& ll) const;
 646     bool operator>(const wxLongLongWx& ll) const;
 647     bool operator<=(const wxLongLongWx& ll) const
 648         { return *this < ll || *this == ll; }
 649     bool operator>=(const wxLongLongWx& ll) const
 650         { return *this > ll || *this == ll; }
 651
 652     bool operator<(long l) const { return *this < wxLongLongWx(l); }
 653     bool operator>(long l) const { return *this > wxLongLongWx(l); }
 654     bool operator==(long l) const
 655     {
 656         return l >= 0 ? (m_hi == 0 && m_lo == (unsigned long)l)
 657                       : (m_hi == -1 && m_lo == (unsigned long)l);
 658     }
 659
 660     bool operator<=(long l) const { return *this < l || *this == l; }
 661     bool operator>=(long l) const { return *this > l || *this == l; }
 662
 663     // multiplication
 664     wxLongLongWx operator*(const wxLongLongWx& ll) const;
 665     wxLongLongWx& operator*=(const wxLongLongWx& ll);
 666
 667     // division
 668     wxLongLongWx operator/(const wxLongLongWx& ll) const;
 669     wxLongLongWx& operator/=(const wxLongLongWx& ll);
 670
 671     wxLongLongWx operator%(const wxLongLongWx& ll) const;
 672
 673     void Divide(const wxLongLongWx& divisor,
 674                 wxLongLongWx& quotient,
 675                 wxLongLongWx& remainder) const;
 676
 677     // input/output
 678
 679     // return the string representation of this number
 680     wxString ToString() const;
 681
 682     void *asArray() const;
 683
 684 #if wxUSE_STD_IOSTREAM
 685     friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
 686 #endif // wxUSE_STD_IOSTREAM
 687
 688     friend wxString& operator<<(wxString&, const wxLongLongWx&);
 689
 690 private:
 691     // long is at least 32 bits, so represent our 64bit number as 2 longs
 692
 693     long m_hi;                // signed bit is in the high part
 694     unsigned long m_lo;
 695
 696 #ifdef wxLONGLONG_TEST_MODE
 697     void Check()
 698     {
 699         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
 700     }
 701
 702     wxLongLong_t m_ll;
 703 #endif // wxLONGLONG_TEST_MODE
 704 };
 705
 706
 707 class WXDLLIMPEXP_BASE wxULongLongWx
 708 {
 709 public:
 710     // ctors
 711         // default ctor initializes to 0
 712     wxULongLongWx()
 713     {
 714         m_lo = m_hi = 0;
 715
 716 #ifdef wxLONGLONG_TEST_MODE
 717         m_ll = 0;
 718
 719         Check();
 720 #endif // wxLONGLONG_TEST_MODE
 721     }
 722         // from ulong
 723     wxULongLongWx(unsigned long l) { *this = l; }
 724         // from 2 ulongs
 725     wxULongLongWx(unsigned long hi, unsigned long lo)
 726     {
 727         m_hi = hi;
 728         m_lo = lo;
 729
 730 #ifdef wxLONGLONG_TEST_MODE
 731         m_ll = hi;
 732         m_ll <<= 32;
 733         m_ll |= lo;
 734
 735         Check();
 736 #endif // wxLONGLONG_TEST_MODE
 737     }
 738
 739     // from signed to unsigned
 740     wxULongLongWx(wxLongLongWx ll)
 741     {
 742         wxASSERT(ll.GetHi() >= 0);
 743         m_hi = (unsigned long)ll.GetHi();
 744         m_lo = ll.GetLo();
 745     }
 746
 747     // default copy ctor is ok in both cases
 748
 749     // no dtor
 750
 751     // assignment operators
 752         // from long
 753     wxULongLongWx& operator=(unsigned long l)
 754     {
 755         m_lo = l;
 756         m_hi = 0;
 757
 758 #ifdef wxLONGLONG_TEST_MODE
 759         m_ll = l;
 760
 761         Check();
 762 #endif // wxLONGLONG_TEST_MODE
 763
 764         return *this;
 765     }
 766
 767     // can't have assignment operator from 2 longs
 768
 769     // accessors
 770         // get high part
 771     unsigned long GetHi() const { return m_hi; }
 772         // get low part
 773     unsigned long GetLo() const { return m_lo; }
 774
 775         // convert to long with range checking in the debug mode (only!)
 776     unsigned long ToULong() const
 777     {
 778         wxASSERT_MSG( m_hi == 0ul,
 779                       _T("wxULongLong to long conversion loss of precision") );
 780
 781         return (unsigned long)m_lo;
 782     }
 783
 784     // operations
 785         // addition
 786     wxULongLongWx operator+(const wxULongLongWx& ll) const;
 787     wxULongLongWx& operator+=(const wxULongLongWx& ll);
 788     wxULongLongWx operator+(unsigned long l) const;
 789     wxULongLongWx& operator+=(unsigned long l);
 790
 791         // pre increment operator
 792     wxULongLongWx& operator++();
 793
 794         // post increment operator
 795     wxULongLongWx& operator++(int) { return ++(*this); }
 796
 797         // substraction
 798     wxLongLongWx operator-(const wxULongLongWx& ll) const;
 799     wxULongLongWx& operator-=(const wxULongLongWx& ll);
 800
 801         // pre decrement operator
 802     wxULongLongWx& operator--();
 803
 804         // post decrement operator
 805     wxULongLongWx& operator--(int) { return --(*this); }
 806
 807     // shifts
 808         // left shift
 809     wxULongLongWx operator<<(int shift) const;
 810     wxULongLongWx& operator<<=(int shift);
 811
 812         // right shift
 813     wxULongLongWx operator>>(int shift) const;
 814     wxULongLongWx& operator>>=(int shift);
 815
 816     // bitwise operators
 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 wxULongLongWx& ll) const;
 822     wxULongLongWx& operator^=(const wxULongLongWx& ll);
 823     wxULongLongWx operator~() const;
 824
 825     // comparison
 826     bool operator==(const wxULongLongWx& ll) const
 827         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 828     bool operator!=(const wxULongLongWx& ll) const
 829         { return !(*this == ll); }
 830     bool operator<(const wxULongLongWx& ll) const;
 831     bool operator>(const wxULongLongWx& ll) const;
 832     bool operator<=(const wxULongLongWx& ll) const
 833         { return *this < ll || *this == ll; }
 834     bool operator>=(const wxULongLongWx& ll) const
 835         { return *this > ll || *this == ll; }
 836
 837     bool operator<(unsigned long l) const { return *this < wxULongLongWx(l); }
 838     bool operator>(unsigned long l) const { return *this > wxULongLongWx(l); }
 839     bool operator==(unsigned long l) const
 840     {
 841         return (m_hi == 0 && m_lo == (unsigned long)l);
 842     }
 843
 844     bool operator<=(unsigned long l) const { return *this < l || *this == l; }
 845     bool operator>=(unsigned long l) const { return *this > l || *this == l; }
 846
 847     // multiplication
 848     wxULongLongWx operator*(const wxULongLongWx& ll) const;
 849     wxULongLongWx& operator*=(const wxULongLongWx& ll);
 850
 851     // division
 852     wxULongLongWx operator/(const wxULongLongWx& ll) const;
 853     wxULongLongWx& operator/=(const wxULongLongWx& ll);
 854
 855     wxULongLongWx operator%(const wxULongLongWx& ll) const;
 856
 857     void Divide(const wxULongLongWx& divisor,
 858                 wxULongLongWx& quotient,
 859                 wxULongLongWx& remainder) const;
 860
 861     // input/output
 862
 863     // return the string representation of this number
 864     wxString ToString() const;
 865
 866     void *asArray() const;
 867
 868 #if wxUSE_STD_IOSTREAM
 869     friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
 870 #endif // wxUSE_STD_IOSTREAM
 871
 872     friend wxString& operator<<(wxString&, const wxULongLongWx&);
 873
 874 private:
 875     // long is at least 32 bits, so represent our 64bit number as 2 longs
 876
 877     unsigned long m_hi;
 878     unsigned long m_lo;
 879
 880 #ifdef wxLONGLONG_TEST_MODE
 881     void Check()
 882     {
 883         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
 884     }
 885
 886     unsigned wxLongLong_t m_ll;
 887 #endif // wxLONGLONG_TEST_MODE
 888 };
 889
 890 #endif // wxUSE_LONGLONG_WX
 891
 892 // ----------------------------------------------------------------------------
 893 // binary operators
 894 // ----------------------------------------------------------------------------
 895
 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 inline bool operator==(long l, const wxLongLong& ll) { return ll == l; }
 901 inline bool operator!=(long l, const wxLongLong& ll) { return ll != l; }
 902
 903 inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; }
 904 inline wxLongLong operator-(long l, const wxLongLong& ll)
 905 {
 906     return wxLongLong(l) - ll;
 907 }
 908
 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 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
 916 inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; }
 917
 918 inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
 919 {
 920     wxULongLong ret = wxULongLong(l) - ull;
 921     return wxLongLong((long)ret.GetHi(),ret.GetLo());
 922 }
 923
 924 #endif // _WX_LONGLONG_H