include/wx/longlong.h

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