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