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
  18 #if wxUSE_LONGLONG
  19
  20 #include "wx/string.h"
  21
  22 #include <limits.h>     // for LONG_MAX
  23
  24 // define this to compile wxLongLongWx in "test" mode: the results of all
  25 // calculations will be compared with the real results taken from
  26 // wxLongLongNative -- this is extremely useful to find the bugs in
  27 // wxLongLongWx class!
  28
  29 // #define wxLONGLONG_TEST_MODE
  30
  31 #ifdef wxLONGLONG_TEST_MODE
  32     #define wxUSE_LONGLONG_WX 1
  33     #define wxUSE_LONGLONG_NATIVE 1
  34 #endif // wxLONGLONG_TEST_MODE
  35
  36 // ----------------------------------------------------------------------------
  37 // decide upon which class we will use
  38 // ----------------------------------------------------------------------------
  39
  40 #ifndef wxLongLong_t
  41     // both warning and pragma warning are not portable, but at least an
  42     // unknown pragma should never be an error -- except that, actually, some
  43     // broken compilers don't like it, so we have to disable it in this case
  44     // <sigh>
  45     #ifdef __GNUC__
  46         #warning "Your compiler does not appear to support 64 bit "\
  47                  "integers, using emulation class instead.\n" \
  48                  "Please report your compiler version to " \
  49                  "wx-dev@lists.wxwidgets.org!"
  50     #elif !(defined(__WATCOMC__) || defined(__VISAGECPP__))
  51         #pragma warning "Your compiler does not appear to support 64 bit "\
  52                         "integers, using emulation class instead.\n" \
  53                         "Please report your compiler version to " \
  54                         "wx-dev@lists.wxwidgets.org!"
  55     #endif
  56
  57     #define wxUSE_LONGLONG_WX 1
  58 #endif // compiler
  59
  60 // the user may predefine wxUSE_LONGLONG_NATIVE and/or wxUSE_LONGLONG_NATIVE
  61 // to disable automatic testing (useful for the test program which defines
  62 // both classes) but by default we only use one class
  63 #if (defined(wxUSE_LONGLONG_WX) && wxUSE_LONGLONG_WX) || !defined(wxLongLong_t)
  64     // don't use both classes unless wxUSE_LONGLONG_NATIVE was explicitly set:
  65     // this is useful in test programs and only there
  66     #ifndef wxUSE_LONGLONG_NATIVE
  67         #define wxUSE_LONGLONG_NATIVE 0
  68     #endif
  69
  70     class WXDLLIMPEXP_FWD_BASE wxLongLongWx;
  71     class WXDLLIMPEXP_FWD_BASE wxULongLongWx;
  72 #if defined(__VISUALC__) && !defined(__WIN32__)
  73     #define wxLongLong wxLongLongWx
  74     #define wxULongLong wxULongLongWx
  75 #else
  76     typedef wxLongLongWx wxLongLong;
  77     typedef wxULongLongWx wxULongLong;
  78 #endif
  79
  80 #else
  81     // if nothing is defined, use native implementation by default, of course
  82     #ifndef wxUSE_LONGLONG_NATIVE
  83         #define wxUSE_LONGLONG_NATIVE 1
  84     #endif
  85 #endif
  86
  87 #ifndef wxUSE_LONGLONG_WX
  88     #define wxUSE_LONGLONG_WX 0
  89     class WXDLLIMPEXP_FWD_BASE wxLongLongNative;
  90     class WXDLLIMPEXP_FWD_BASE wxULongLongNative;
  91     typedef wxLongLongNative wxLongLong;
  92     typedef wxULongLongNative wxULongLong;
  93 #endif
  94
  95 // NB: if both wxUSE_LONGLONG_WX and NATIVE are defined, the user code should
  96 //     typedef wxLongLong as it wants, we don't do it
  97
  98 // ----------------------------------------------------------------------------
  99 // choose the appropriate class
 100 // ----------------------------------------------------------------------------
 101
 102 // we use iostream for wxLongLong output
 103 #include "wx/iosfwrap.h"
 104
 105 #if wxUSE_LONGLONG_NATIVE
 106
 107 class WXDLLIMPEXP_BASE wxLongLongNative
 108 {
 109 public:
 110     // ctors
 111         // default ctor initializes to 0
 112     wxLongLongNative() : m_ll(0) { }
 113         // from long long
 114     wxLongLongNative(wxLongLong_t ll) : m_ll(ll) { }
 115         // from 2 longs
 116     wxLongLongNative(wxInt32 hi, wxUint32 lo)
 117     {
 118         // cast to wxLongLong_t first to avoid precision loss!
 119         m_ll = ((wxLongLong_t) hi) << 32;
 120         m_ll |= (wxLongLong_t) lo;
 121     }
 122 #if wxUSE_LONGLONG_WX
 123     wxLongLongNative(wxLongLongWx ll);
 124 #endif
 125
 126     // default copy ctor is ok
 127
 128     // no dtor
 129
 130     // assignment operators
 131         // from native 64 bit integer
 132 #ifndef wxLongLongIsLong
 133     wxLongLongNative& operator=(wxLongLong_t ll)
 134         { m_ll = ll; return *this; }
 135     wxLongLongNative& operator=(wxULongLong_t ll)
 136         { m_ll = ll; return *this; }
 137 #endif // !wxLongLongNative
 138     wxLongLongNative& operator=(const wxULongLongNative &ll);
 139     wxLongLongNative& operator=(int l)
 140         { m_ll = l; return *this; }
 141     wxLongLongNative& operator=(long l)
 142         { m_ll = l; return *this; }
 143     wxLongLongNative& operator=(unsigned int l)
 144         { m_ll = l; return *this; }
 145     wxLongLongNative& operator=(unsigned long l)
 146         { m_ll = l; return *this; }
 147 #if wxUSE_LONGLONG_WX
 148     wxLongLongNative& operator=(wxLongLongWx ll);
 149     wxLongLongNative& operator=(const class wxULongLongWx &ll);
 150 #endif
 151
 152
 153         // from double: this one has an explicit name because otherwise we
 154         // would have ambiguity with "ll = int" and also because we don't want
 155         // to have implicit conversions between doubles and wxLongLongs
 156     wxLongLongNative& Assign(double d)
 157         { m_ll = (wxLongLong_t)d; return *this; }
 158
 159     // assignment operators from wxLongLongNative is ok
 160
 161     // accessors
 162         // get high part
 163     wxInt32 GetHi() const
 164         { return wx_truncate_cast(wxInt32, m_ll >> 32); }
 165         // get low part
 166     wxUint32 GetLo() const
 167         { return wx_truncate_cast(wxUint32, m_ll); }
 168
 169         // get absolute value
 170     wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); }
 171     wxLongLongNative& Abs() { if ( m_ll < 0 ) m_ll = -m_ll; return *this; }
 172
 173         // convert to native long long
 174     wxLongLong_t GetValue() const { return m_ll; }
 175
 176         // convert to long with range checking in debug mode (only!)
 177     long ToLong() const
 178     {
 179         wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX),
 180                       _T("wxLongLong to long conversion loss of precision") );
 181
 182         return wx_truncate_cast(long, m_ll);
 183     }
 184
 185         // convert to double
 186     double ToDouble() const { return wx_truncate_cast(double, m_ll); }
 187
 188     // don't provide implicit conversion to wxLongLong_t or we will have an
 189     // ambiguity for all arithmetic operations
 190     //operator wxLongLong_t() const { return m_ll; }
 191
 192     // operations
 193         // addition
 194     wxLongLongNative operator+(const wxLongLongNative& ll) const
 195         { return wxLongLongNative(m_ll + ll.m_ll); }
 196     wxLongLongNative& operator+=(const wxLongLongNative& ll)
 197         { m_ll += ll.m_ll; return *this; }
 198
 199     wxLongLongNative operator+(const wxLongLong_t ll) const
 200         { return wxLongLongNative(m_ll + ll); }
 201     wxLongLongNative& operator+=(const wxLongLong_t ll)
 202         { m_ll += ll; return *this; }
 203
 204         // pre increment
 205     wxLongLongNative& operator++()
 206         { m_ll++; return *this; }
 207
 208         // post increment
 209     wxLongLongNative operator++(int)
 210         { wxLongLongNative value(*this); m_ll++; return value; }
 211
 212         // negation operator
 213     wxLongLongNative operator-() const
 214         { return wxLongLongNative(-m_ll); }
 215     wxLongLongNative& Negate() { m_ll = -m_ll; return *this; }
 216
 217         // subtraction
 218     wxLongLongNative operator-(const wxLongLongNative& ll) const
 219         { return wxLongLongNative(m_ll - ll.m_ll); }
 220     wxLongLongNative& operator-=(const wxLongLongNative& ll)
 221         { m_ll -= ll.m_ll; return *this; }
 222
 223     wxLongLongNative operator-(const wxLongLong_t ll) const
 224         { return wxLongLongNative(m_ll - ll); }
 225     wxLongLongNative& operator-=(const wxLongLong_t ll)
 226         { m_ll -= ll; return *this; }
 227
 228         // pre decrement
 229     wxLongLongNative& operator--()
 230         { m_ll--; return *this; }
 231
 232         // post decrement
 233     wxLongLongNative operator--(int)
 234         { wxLongLongNative value(*this); m_ll--; return value; }
 235
 236     // shifts
 237         // left shift
 238     wxLongLongNative operator<<(int shift) const
 239         { return wxLongLongNative(m_ll << shift); }
 240     wxLongLongNative& operator<<=(int shift)
 241         { m_ll <<= shift; return *this; }
 242
 243         // right 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     // bitwise operators
 250     wxLongLongNative operator&(const wxLongLongNative& ll) const
 251         { return wxLongLongNative(m_ll & ll.m_ll); }
 252     wxLongLongNative& operator&=(const wxLongLongNative& ll)
 253         { m_ll &= ll.m_ll; return *this; }
 254
 255     wxLongLongNative operator|(const wxLongLongNative& ll) const
 256         { return wxLongLongNative(m_ll | ll.m_ll); }
 257     wxLongLongNative& operator|=(const wxLongLongNative& ll)
 258         { m_ll |= ll.m_ll; return *this; }
 259
 260     wxLongLongNative operator^(const wxLongLongNative& ll) const
 261         { return wxLongLongNative(m_ll ^ ll.m_ll); }
 262     wxLongLongNative& operator^=(const wxLongLongNative& ll)
 263         { m_ll ^= ll.m_ll; return *this; }
 264
 265     // multiplication/division
 266     wxLongLongNative operator*(const wxLongLongNative& ll) const
 267         { return wxLongLongNative(m_ll * ll.m_ll); }
 268     wxLongLongNative operator*(long l) const
 269         { return wxLongLongNative(m_ll * l); }
 270     wxLongLongNative& operator*=(const wxLongLongNative& ll)
 271         { m_ll *= ll.m_ll; return *this; }
 272     wxLongLongNative& operator*=(long l)
 273         { m_ll *= l; return *this; }
 274
 275     wxLongLongNative operator/(const wxLongLongNative& ll) const
 276         { return wxLongLongNative(m_ll / ll.m_ll); }
 277     wxLongLongNative operator/(long l) const
 278         { return wxLongLongNative(m_ll / l); }
 279     wxLongLongNative& operator/=(const wxLongLongNative& ll)
 280         { m_ll /= ll.m_ll; return *this; }
 281     wxLongLongNative& operator/=(long l)
 282         { m_ll /= l; return *this; }
 283
 284     wxLongLongNative operator%(const wxLongLongNative& ll) const
 285         { return wxLongLongNative(m_ll % ll.m_ll); }
 286     wxLongLongNative operator%(long l) const
 287         { return wxLongLongNative(m_ll % l); }
 288
 289     // comparison
 290     bool operator==(const wxLongLongNative& ll) const
 291         { return m_ll == ll.m_ll; }
 292     bool operator==(long l) const
 293         { return m_ll == l; }
 294     bool operator!=(const wxLongLongNative& ll) const
 295         { return m_ll != ll.m_ll; }
 296     bool operator!=(long l) const
 297         { return m_ll != l; }
 298     bool operator<(const wxLongLongNative& ll) const
 299         { return m_ll < ll.m_ll; }
 300     bool operator<(long l) const
 301         { return m_ll < l; }
 302     bool operator>(const wxLongLongNative& ll) const
 303         { return m_ll > ll.m_ll; }
 304     bool operator>(long l) const
 305         { return m_ll > l; }
 306     bool operator<=(const wxLongLongNative& ll) const
 307         { return m_ll <= ll.m_ll; }
 308     bool operator<=(long l) const
 309         { return m_ll <= l; }
 310     bool operator>=(const wxLongLongNative& ll) const
 311         { return m_ll >= ll.m_ll; }
 312     bool operator>=(long l) const
 313         { return m_ll >= l; }
 314
 315     // miscellaneous
 316
 317         // return the string representation of this number
 318     wxString ToString() const;
 319
 320         // conversion to byte array: returns a pointer to static buffer!
 321     void *asArray() const;
 322
 323 #if wxUSE_STD_IOSTREAM
 324         // input/output
 325     friend WXDLLIMPEXP_BASE
 326     wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongNative&);
 327 #endif
 328
 329     friend WXDLLIMPEXP_BASE
 330     wxString& operator<<(wxString&, const wxLongLongNative&);
 331
 332 #if wxUSE_STREAMS
 333     friend WXDLLIMPEXP_BASE
 334     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongNative&);
 335     friend WXDLLIMPEXP_BASE
 336     class wxTextInputStream& operator>>(class wxTextInputStream&, wxLongLongNative&);
 337 #endif
 338
 339 private:
 340     wxLongLong_t  m_ll;
 341 };
 342
 343
 344 class WXDLLIMPEXP_BASE wxULongLongNative
 345 {
 346 public:
 347     // ctors
 348         // default ctor initializes to 0
 349     wxULongLongNative() : m_ll(0) { }
 350         // from long long
 351     wxULongLongNative(wxULongLong_t ll) : m_ll(ll) { }
 352         // from 2 longs
 353     wxULongLongNative(wxUint32 hi, wxUint32 lo) : m_ll(0)
 354     {
 355         // cast to wxLongLong_t first to avoid precision loss!
 356         m_ll = ((wxULongLong_t) hi) << 32;
 357         m_ll |= (wxULongLong_t) lo;
 358     }
 359
 360 #if wxUSE_LONGLONG_WX
 361     wxULongLongNative(const class wxULongLongWx &ll);
 362 #endif
 363
 364     // default copy ctor is ok
 365
 366     // no dtor
 367
 368     // assignment operators
 369         // from native 64 bit integer
 370 #ifndef wxLongLongIsLong
 371     wxULongLongNative& operator=(wxULongLong_t ll)
 372         { m_ll = ll; return *this; }
 373     wxULongLongNative& operator=(wxLongLong_t ll)
 374         { m_ll = ll; return *this; }
 375 #endif // !wxLongLongNative
 376     wxULongLongNative& operator=(int l)
 377         { m_ll = l; return *this; }
 378     wxULongLongNative& operator=(long l)
 379         { m_ll = l; return *this; }
 380     wxULongLongNative& operator=(unsigned int l)
 381         { m_ll = l; return *this; }
 382     wxULongLongNative& operator=(unsigned long l)
 383         { m_ll = l; return *this; }
 384     wxULongLongNative& operator=(const wxLongLongNative &ll)
 385         { m_ll = ll.GetValue(); return *this; }
 386 #if wxUSE_LONGLONG_WX
 387     wxULongLongNative& operator=(wxLongLongWx ll);
 388     wxULongLongNative& operator=(const class wxULongLongWx &ll);
 389 #endif
 390
 391     // assignment operators from wxULongLongNative is ok
 392
 393     // accessors
 394         // get high part
 395     wxUint32 GetHi() const
 396         { return wx_truncate_cast(wxUint32, m_ll >> 32); }
 397         // get low part
 398     wxUint32 GetLo() const
 399         { return wx_truncate_cast(wxUint32, m_ll); }
 400
 401         // convert to native ulong long
 402     wxULongLong_t GetValue() const { return m_ll; }
 403
 404         // convert to ulong with range checking in debug mode (only!)
 405     unsigned long ToULong() const
 406     {
 407         wxASSERT_MSG( m_ll <= LONG_MAX,
 408                       _T("wxULongLong to long conversion loss of precision") );
 409
 410         return wx_truncate_cast(unsigned long, m_ll);
 411     }
 412
 413         // convert to double
 414 #ifdef _MSC_VER
 415     double ToDouble() const { return wx_truncate_cast(double, (__int64) m_ll); }
 416 #else
 417     double ToDouble() const { return wx_truncate_cast(double, m_ll); }
 418 #endif
 419
 420     // operations
 421         // addition
 422     wxULongLongNative operator+(const wxULongLongNative& ll) const
 423         { return wxULongLongNative(m_ll + ll.m_ll); }
 424     wxULongLongNative& operator+=(const wxULongLongNative& ll)
 425         { m_ll += ll.m_ll; return *this; }
 426
 427     wxULongLongNative operator+(const wxULongLong_t ll) const
 428         { return wxULongLongNative(m_ll + ll); }
 429     wxULongLongNative& operator+=(const wxULongLong_t ll)
 430         { m_ll += ll; return *this; }
 431
 432         // pre increment
 433     wxULongLongNative& operator++()
 434         { m_ll++; return *this; }
 435
 436         // post increment
 437     wxULongLongNative operator++(int)
 438         { wxULongLongNative value(*this); m_ll++; return value; }
 439
 440         // subtraction
 441     wxULongLongNative operator-(const wxULongLongNative& ll) const
 442         { return wxULongLongNative(m_ll - ll.m_ll); }
 443     wxULongLongNative& operator-=(const wxULongLongNative& ll)
 444         { m_ll -= ll.m_ll; return *this; }
 445
 446     wxULongLongNative operator-(const wxULongLong_t ll) const
 447         { return wxULongLongNative(m_ll - ll); }
 448     wxULongLongNative& operator-=(const wxULongLong_t ll)
 449         { m_ll -= ll; return *this; }
 450
 451         // pre decrement
 452     wxULongLongNative& operator--()
 453         { m_ll--; return *this; }
 454
 455         // post decrement
 456     wxULongLongNative operator--(int)
 457         { wxULongLongNative value(*this); m_ll--; return value; }
 458
 459     // shifts
 460         // left shift
 461     wxULongLongNative operator<<(int shift) const
 462         { return wxULongLongNative(m_ll << shift); }
 463     wxULongLongNative& operator<<=(int shift)
 464         { m_ll <<= shift; return *this; }
 465
 466         // right shift
 467     wxULongLongNative operator>>(int shift) const
 468         { return wxULongLongNative(m_ll >> shift); }
 469     wxULongLongNative& operator>>=(int shift)
 470         { m_ll >>= shift; return *this; }
 471
 472     // bitwise operators
 473     wxULongLongNative operator&(const wxULongLongNative& ll) const
 474         { return wxULongLongNative(m_ll & ll.m_ll); }
 475     wxULongLongNative& operator&=(const wxULongLongNative& ll)
 476         { m_ll &= ll.m_ll; return *this; }
 477
 478     wxULongLongNative operator|(const wxULongLongNative& ll) const
 479         { return wxULongLongNative(m_ll | ll.m_ll); }
 480     wxULongLongNative& operator|=(const wxULongLongNative& ll)
 481         { m_ll |= ll.m_ll; return *this; }
 482
 483     wxULongLongNative operator^(const wxULongLongNative& ll) const
 484         { return wxULongLongNative(m_ll ^ ll.m_ll); }
 485     wxULongLongNative& operator^=(const wxULongLongNative& ll)
 486         { m_ll ^= ll.m_ll; return *this; }
 487
 488     // multiplication/division
 489     wxULongLongNative operator*(const wxULongLongNative& ll) const
 490         { return wxULongLongNative(m_ll * ll.m_ll); }
 491     wxULongLongNative operator*(unsigned long l) const
 492         { return wxULongLongNative(m_ll * l); }
 493     wxULongLongNative& operator*=(const wxULongLongNative& ll)
 494         { m_ll *= ll.m_ll; return *this; }
 495     wxULongLongNative& operator*=(unsigned long l)
 496         { m_ll *= l; return *this; }
 497
 498     wxULongLongNative operator/(const wxULongLongNative& ll) const
 499         { return wxULongLongNative(m_ll / ll.m_ll); }
 500     wxULongLongNative operator/(unsigned long l) const
 501         { return wxULongLongNative(m_ll / l); }
 502     wxULongLongNative& operator/=(const wxULongLongNative& ll)
 503         { m_ll /= ll.m_ll; return *this; }
 504     wxULongLongNative& operator/=(unsigned long l)
 505         { m_ll /= l; return *this; }
 506
 507     wxULongLongNative operator%(const wxULongLongNative& ll) const
 508         { return wxULongLongNative(m_ll % ll.m_ll); }
 509     wxULongLongNative operator%(unsigned long l) const
 510         { return wxULongLongNative(m_ll % l); }
 511
 512     // comparison
 513     bool operator==(const wxULongLongNative& ll) const
 514         { return m_ll == ll.m_ll; }
 515     bool operator==(unsigned long l) const
 516         { return m_ll == l; }
 517     bool operator!=(const wxULongLongNative& ll) const
 518         { return m_ll != ll.m_ll; }
 519     bool operator!=(unsigned long l) const
 520         { return m_ll != l; }
 521     bool operator<(const wxULongLongNative& ll) const
 522         { return m_ll < ll.m_ll; }
 523     bool operator<(unsigned long l) const
 524         { return m_ll < l; }
 525     bool operator>(const wxULongLongNative& ll) const
 526         { return m_ll > ll.m_ll; }
 527     bool operator>(unsigned long l) const
 528         { return m_ll > l; }
 529     bool operator<=(const wxULongLongNative& ll) const
 530         { return m_ll <= ll.m_ll; }
 531     bool operator<=(unsigned long l) const
 532         { return m_ll <= l; }
 533     bool operator>=(const wxULongLongNative& ll) const
 534         { return m_ll >= ll.m_ll; }
 535     bool operator>=(unsigned long l) const
 536         { return m_ll >= l; }
 537
 538     // miscellaneous
 539
 540         // return the string representation of this number
 541     wxString ToString() const;
 542
 543         // conversion to byte array: returns a pointer to static buffer!
 544     void *asArray() const;
 545
 546 #if wxUSE_STD_IOSTREAM
 547         // input/output
 548     friend WXDLLIMPEXP_BASE
 549     wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
 550 #endif
 551
 552     friend WXDLLIMPEXP_BASE
 553     wxString& operator<<(wxString&, const wxULongLongNative&);
 554
 555 #if wxUSE_STREAMS
 556     friend WXDLLIMPEXP_BASE
 557     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongNative&);
 558     friend WXDLLIMPEXP_BASE
 559     class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongNative&);
 560 #endif
 561
 562 private:
 563     wxULongLong_t  m_ll;
 564 };
 565
 566 inline
 567 wxLongLongNative& wxLongLongNative::operator=(const wxULongLongNative &ll)
 568 {
 569     m_ll = ll.GetValue();
 570     return *this;
 571 }
 572
 573 #endif // wxUSE_LONGLONG_NATIVE
 574
 575 #if wxUSE_LONGLONG_WX
 576
 577 class WXDLLIMPEXP_BASE wxLongLongWx
 578 {
 579 public:
 580     // ctors
 581         // default ctor initializes to 0
 582     wxLongLongWx()
 583     {
 584         m_lo = m_hi = 0;
 585
 586 #ifdef wxLONGLONG_TEST_MODE
 587         m_ll = 0;
 588
 589         Check();
 590 #endif // wxLONGLONG_TEST_MODE
 591     }
 592         // from long
 593     wxLongLongWx(long l) { *this = l; }
 594         // from 2 longs
 595     wxLongLongWx(long hi, unsigned long lo)
 596     {
 597         m_hi = hi;
 598         m_lo = lo;
 599
 600 #ifdef wxLONGLONG_TEST_MODE
 601         m_ll = hi;
 602         m_ll <<= 32;
 603         m_ll |= lo;
 604
 605         Check();
 606 #endif // wxLONGLONG_TEST_MODE
 607     }
 608
 609     // default copy ctor is ok in both cases
 610
 611     // no dtor
 612
 613     // assignment operators
 614         // from long
 615     wxLongLongWx& operator=(long l)
 616     {
 617         m_lo = l;
 618         m_hi = (l < 0 ? -1l : 0l);
 619
 620 #ifdef wxLONGLONG_TEST_MODE
 621         m_ll = l;
 622
 623         Check();
 624 #endif // wxLONGLONG_TEST_MODE
 625
 626         return *this;
 627     }
 628         // from int
 629     wxLongLongWx& operator=(int l)
 630     {
 631         return operator=((long)l);
 632     }
 633
 634     wxLongLongWx& operator=(unsigned long l)
 635     {
 636         m_lo = l;
 637         m_hi = 0;
 638
 639 #ifdef wxLONGLONG_TEST_MODE
 640         m_ll = l;
 641
 642         Check();
 643 #endif // wxLONGLONG_TEST_MODE
 644
 645         return *this;
 646     }
 647
 648     wxLongLongWx& operator=(unsigned int l)
 649     {
 650         return operator=((unsigned long)l);
 651     }
 652
 653     wxLongLongWx& operator=(const class wxULongLongWx &ll);
 654
 655     // from double
 656     wxLongLongWx& Assign(double d);
 657         // can't have assignment operator from 2 longs
 658
 659     // accessors
 660         // get high part
 661     long GetHi() const { return m_hi; }
 662         // get low part
 663     unsigned long GetLo() const { return m_lo; }
 664
 665         // get absolute value
 666     wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
 667     wxLongLongWx& Abs()
 668     {
 669         if ( m_hi < 0 )
 670             m_hi = -m_hi;
 671
 672 #ifdef wxLONGLONG_TEST_MODE
 673         if ( m_ll < 0 )
 674             m_ll = -m_ll;
 675
 676         Check();
 677 #endif // wxLONGLONG_TEST_MODE
 678
 679         return *this;
 680     }
 681
 682         // convert to long with range checking in debug mode (only!)
 683     long ToLong() const
 684     {
 685         wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
 686                       _T("wxLongLong to long conversion loss of precision") );
 687
 688         return (long)m_lo;
 689     }
 690
 691         // convert to double
 692     double ToDouble() const;
 693
 694     // operations
 695         // addition
 696     wxLongLongWx operator+(const wxLongLongWx& ll) const;
 697     wxLongLongWx& operator+=(const wxLongLongWx& ll);
 698     wxLongLongWx operator+(long l) const;
 699     wxLongLongWx& operator+=(long l);
 700
 701         // pre increment operator
 702     wxLongLongWx& operator++();
 703
 704         // post increment operator
 705     wxLongLongWx& operator++(int) { return ++(*this); }
 706
 707         // negation operator
 708     wxLongLongWx operator-() const;
 709     wxLongLongWx& Negate();
 710
 711         // subraction
 712     wxLongLongWx operator-(const wxLongLongWx& ll) const;
 713     wxLongLongWx& operator-=(const wxLongLongWx& ll);
 714
 715         // pre decrement operator
 716     wxLongLongWx& operator--();
 717
 718         // post decrement operator
 719     wxLongLongWx& operator--(int) { return --(*this); }
 720
 721     // shifts
 722         // left shift
 723     wxLongLongWx operator<<(int shift) const;
 724     wxLongLongWx& operator<<=(int shift);
 725
 726         // right shift
 727     wxLongLongWx operator>>(int shift) const;
 728     wxLongLongWx& operator>>=(int shift);
 729
 730     // bitwise operators
 731     wxLongLongWx operator&(const wxLongLongWx& ll) const;
 732     wxLongLongWx& operator&=(const wxLongLongWx& ll);
 733     wxLongLongWx operator|(const wxLongLongWx& ll) const;
 734     wxLongLongWx& operator|=(const wxLongLongWx& ll);
 735     wxLongLongWx operator^(const wxLongLongWx& ll) const;
 736     wxLongLongWx& operator^=(const wxLongLongWx& ll);
 737     wxLongLongWx operator~() const;
 738
 739     // comparison
 740     bool operator==(const wxLongLongWx& ll) const
 741         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 742 #if wxUSE_LONGLONG_NATIVE
 743     bool operator==(const wxLongLongNative& ll) const
 744         { return m_lo == ll.GetLo() && m_hi == ll.GetHi(); }
 745 #endif
 746     bool operator!=(const wxLongLongWx& ll) const
 747         { return !(*this == ll); }
 748     bool operator<(const wxLongLongWx& ll) const;
 749     bool operator>(const wxLongLongWx& ll) const;
 750     bool operator<=(const wxLongLongWx& ll) const
 751         { return *this < ll || *this == ll; }
 752     bool operator>=(const wxLongLongWx& ll) const
 753         { return *this > ll || *this == ll; }
 754
 755     bool operator<(long l) const { return *this < wxLongLongWx(l); }
 756     bool operator>(long l) const { return *this > wxLongLongWx(l); }
 757     bool operator==(long l) const
 758     {
 759         return l >= 0 ? (m_hi == 0 && m_lo == (unsigned long)l)
 760                       : (m_hi == -1 && m_lo == (unsigned long)l);
 761     }
 762
 763     bool operator<=(long l) const { return *this < l || *this == l; }
 764     bool operator>=(long l) const { return *this > l || *this == l; }
 765
 766     // multiplication
 767     wxLongLongWx operator*(const wxLongLongWx& ll) const;
 768     wxLongLongWx& operator*=(const wxLongLongWx& ll);
 769
 770     // division
 771     wxLongLongWx operator/(const wxLongLongWx& ll) const;
 772     wxLongLongWx& operator/=(const wxLongLongWx& ll);
 773
 774     wxLongLongWx operator%(const wxLongLongWx& ll) const;
 775
 776     void Divide(const wxLongLongWx& divisor,
 777                 wxLongLongWx& quotient,
 778                 wxLongLongWx& remainder) const;
 779
 780     // input/output
 781
 782     // return the string representation of this number
 783     wxString ToString() const;
 784
 785     void *asArray() const;
 786
 787 #if wxUSE_STD_IOSTREAM
 788     friend WXDLLIMPEXP_BASE
 789     wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
 790 #endif // wxUSE_STD_IOSTREAM
 791
 792     friend WXDLLIMPEXP_BASE
 793     wxString& operator<<(wxString&, const wxLongLongWx&);
 794
 795 #if wxUSE_STREAMS
 796     friend WXDLLIMPEXP_BASE
 797     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongWx&);
 798     friend WXDLLIMPEXP_BASE
 799     class wxTextInputStream& operator>>(class wxTextInputStream&, wxLongLongWx&);
 800 #endif
 801
 802 private:
 803     // long is at least 32 bits, so represent our 64bit number as 2 longs
 804
 805     long m_hi;                // signed bit is in the high part
 806     unsigned long m_lo;
 807
 808 #ifdef wxLONGLONG_TEST_MODE
 809     void Check()
 810     {
 811         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
 812     }
 813
 814     wxLongLong_t m_ll;
 815 #endif // wxLONGLONG_TEST_MODE
 816 };
 817
 818
 819 class WXDLLIMPEXP_BASE wxULongLongWx
 820 {
 821 public:
 822     // ctors
 823         // default ctor initializes to 0
 824     wxULongLongWx()
 825     {
 826         m_lo = m_hi = 0;
 827
 828 #ifdef wxLONGLONG_TEST_MODE
 829         m_ll = 0;
 830
 831         Check();
 832 #endif // wxLONGLONG_TEST_MODE
 833     }
 834         // from ulong
 835     wxULongLongWx(unsigned long l) { *this = l; }
 836         // from 2 ulongs
 837     wxULongLongWx(unsigned long hi, unsigned long lo)
 838     {
 839         m_hi = hi;
 840         m_lo = lo;
 841
 842 #ifdef wxLONGLONG_TEST_MODE
 843         m_ll = hi;
 844         m_ll <<= 32;
 845         m_ll |= lo;
 846
 847         Check();
 848 #endif // wxLONGLONG_TEST_MODE
 849     }
 850
 851     // from signed to unsigned
 852     wxULongLongWx(wxLongLongWx ll)
 853     {
 854         wxASSERT(ll.GetHi() >= 0);
 855         m_hi = (unsigned long)ll.GetHi();
 856         m_lo = ll.GetLo();
 857     }
 858
 859     // default copy ctor is ok in both cases
 860
 861     // no dtor
 862
 863     // assignment operators
 864         // from long
 865     wxULongLongWx& operator=(unsigned long l)
 866     {
 867         m_lo = l;
 868         m_hi = 0;
 869
 870 #ifdef wxLONGLONG_TEST_MODE
 871         m_ll = l;
 872
 873         Check();
 874 #endif // wxLONGLONG_TEST_MODE
 875
 876         return *this;
 877     }
 878     wxULongLongWx& operator=(long l)
 879     {
 880         m_lo = l;
 881         m_hi = (unsigned long) ((l<0) ? -1l : 0);
 882
 883 #ifdef wxLONGLONG_TEST_MODE
 884         m_ll = (wxULongLong_t) (wxLongLong_t) l;
 885
 886         Check();
 887 #endif // wxLONGLONG_TEST_MODE
 888
 889         return *this;
 890     }
 891     wxULongLongWx& operator=(const class wxLongLongWx &ll) {
 892         // Should we use an assert like it was before in the constructor?
 893         // wxASSERT(ll.GetHi() >= 0);
 894         m_hi = (unsigned long)ll.GetHi();
 895         m_lo = ll.GetLo();
 896         return *this;
 897     }
 898
 899     // can't have assignment operator from 2 longs
 900
 901     // accessors
 902         // get high part
 903     unsigned long GetHi() const { return m_hi; }
 904         // get low part
 905     unsigned long GetLo() const { return m_lo; }
 906
 907         // convert to long with range checking in debug mode (only!)
 908     unsigned long ToULong() const
 909     {
 910         wxASSERT_MSG( m_hi == 0ul,
 911                       _T("wxULongLong to long conversion loss of precision") );
 912
 913         return (unsigned long)m_lo;
 914     }
 915
 916         // convert to double
 917     double ToDouble() const;
 918
 919     // operations
 920         // addition
 921     wxULongLongWx operator+(const wxULongLongWx& ll) const;
 922     wxULongLongWx& operator+=(const wxULongLongWx& ll);
 923     wxULongLongWx operator+(unsigned long l) const;
 924     wxULongLongWx& operator+=(unsigned long l);
 925
 926         // pre increment operator
 927     wxULongLongWx& operator++();
 928
 929         // post increment operator
 930     wxULongLongWx& operator++(int) { return ++(*this); }
 931
 932         // subtraction
 933     wxLongLongWx operator-(const wxULongLongWx& ll) const;
 934     wxULongLongWx& operator-=(const wxULongLongWx& ll);
 935
 936         // pre decrement operator
 937     wxULongLongWx& operator--();
 938
 939         // post decrement operator
 940     wxULongLongWx& operator--(int) { return --(*this); }
 941
 942     // shifts
 943         // left shift
 944     wxULongLongWx operator<<(int shift) const;
 945     wxULongLongWx& operator<<=(int shift);
 946
 947         // right shift
 948     wxULongLongWx operator>>(int shift) const;
 949     wxULongLongWx& operator>>=(int shift);
 950
 951     // bitwise operators
 952     wxULongLongWx operator&(const wxULongLongWx& ll) const;
 953     wxULongLongWx& operator&=(const wxULongLongWx& ll);
 954     wxULongLongWx operator|(const wxULongLongWx& ll) const;
 955     wxULongLongWx& operator|=(const wxULongLongWx& ll);
 956     wxULongLongWx operator^(const wxULongLongWx& ll) const;
 957     wxULongLongWx& operator^=(const wxULongLongWx& ll);
 958     wxULongLongWx operator~() const;
 959
 960     // comparison
 961     bool operator==(const wxULongLongWx& ll) const
 962         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 963     bool operator!=(const wxULongLongWx& ll) const
 964         { return !(*this == ll); }
 965     bool operator<(const wxULongLongWx& ll) const;
 966     bool operator>(const wxULongLongWx& ll) const;
 967     bool operator<=(const wxULongLongWx& ll) const
 968         { return *this < ll || *this == ll; }
 969     bool operator>=(const wxULongLongWx& ll) const
 970         { return *this > ll || *this == ll; }
 971
 972     bool operator<(unsigned long l) const { return *this < wxULongLongWx(l); }
 973     bool operator>(unsigned long l) const { return *this > wxULongLongWx(l); }
 974     bool operator==(unsigned long l) const
 975     {
 976         return (m_hi == 0 && m_lo == (unsigned long)l);
 977     }
 978
 979     bool operator<=(unsigned long l) const { return *this < l || *this == l; }
 980     bool operator>=(unsigned long l) const { return *this > l || *this == l; }
 981
 982     // multiplication
 983     wxULongLongWx operator*(const wxULongLongWx& ll) const;
 984     wxULongLongWx& operator*=(const wxULongLongWx& ll);
 985
 986     // division
 987     wxULongLongWx operator/(const wxULongLongWx& ll) const;
 988     wxULongLongWx& operator/=(const wxULongLongWx& ll);
 989
 990     wxULongLongWx operator%(const wxULongLongWx& ll) const;
 991
 992     void Divide(const wxULongLongWx& divisor,
 993                 wxULongLongWx& quotient,
 994                 wxULongLongWx& remainder) const;
 995
 996     // input/output
 997
 998     // return the string representation of this number
 999     wxString ToString() const;
1000
1001     void *asArray() const;
1002
1003 #if wxUSE_STD_IOSTREAM
1004     friend WXDLLIMPEXP_BASE
1005     wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
1006 #endif // wxUSE_STD_IOSTREAM
1007
1008     friend WXDLLIMPEXP_BASE
1009     wxString& operator<<(wxString&, const wxULongLongWx&);
1010
1011 #if wxUSE_STREAMS
1012     friend WXDLLIMPEXP_BASE
1013     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongWx&);
1014     friend WXDLLIMPEXP_BASE
1015     class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongWx&);
1016 #endif
1017
1018 private:
1019     // long is at least 32 bits, so represent our 64bit number as 2 longs
1020
1021     unsigned long m_hi;
1022     unsigned long m_lo;
1023
1024 #ifdef wxLONGLONG_TEST_MODE
1025     void Check()
1026     {
1027         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
1028     }
1029
1030     wxULongLong_t m_ll;
1031 #endif // wxLONGLONG_TEST_MODE
1032 };
1033
1034 #endif // wxUSE_LONGLONG_WX
1035
1036 // ----------------------------------------------------------------------------
1037 // binary operators
1038 // ----------------------------------------------------------------------------
1039
1040 inline bool operator<(long l, const wxLongLong& ll) { return ll > l; }
1041 inline bool operator>(long l, const wxLongLong& ll) { return ll < l; }
1042 inline bool operator<=(long l, const wxLongLong& ll) { return ll >= l; }
1043 inline bool operator>=(long l, const wxLongLong& ll) { return ll <= l; }
1044 inline bool operator==(long l, const wxLongLong& ll) { return ll == l; }
1045 inline bool operator!=(long l, const wxLongLong& ll) { return ll != l; }
1046
1047 inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; }
1048 inline wxLongLong operator-(long l, const wxLongLong& ll)
1049 {
1050     return wxLongLong(l) - ll;
1051 }
1052
1053 inline bool operator<(unsigned long l, const wxULongLong& ull) { return ull > l; }
1054 inline bool operator>(unsigned long l, const wxULongLong& ull) { return ull < l; }
1055 inline bool operator<=(unsigned long l, const wxULongLong& ull) { return ull >= l; }
1056 inline bool operator>=(unsigned long l, const wxULongLong& ull) { return ull <= l; }
1057 inline bool operator==(unsigned long l, const wxULongLong& ull) { return ull == l; }
1058 inline bool operator!=(unsigned long l, const wxULongLong& ull) { return ull != l; }
1059
1060 inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; }
1061
1062 inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
1063 {
1064     wxULongLong ret = wxULongLong(l) - ull;
1065     return wxLongLong((long)ret.GetHi(),ret.GetLo());
1066 }
1067
1068 #if wxUSE_LONGLONG_NATIVE && wxUSE_STREAMS
1069
1070 WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxULongLong_t value);
1071 WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxLongLong_t value);
1072
1073 WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxULongLong_t &value);
1074 WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxLongLong_t &value);
1075
1076 #endif
1077
1078 #endif // wxUSE_LONGLONG
1079
1080 #endif // _WX_LONGLONG_H