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