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                       wxT("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                       wxT("wxULongLong to long conversion loss of precision") );
 409
 410         return wx_truncate_cast(unsigned long, m_ll);
 411     }
 412
 413         // convert to double
 414     double ToDouble() const { return wx_truncate_cast(double, m_ll); }
 415
 416     // operations
 417         // addition
 418     wxULongLongNative operator+(const wxULongLongNative& ll) const
 419         { return wxULongLongNative(m_ll + ll.m_ll); }
 420     wxULongLongNative& operator+=(const wxULongLongNative& ll)
 421         { m_ll += ll.m_ll; return *this; }
 422
 423     wxULongLongNative operator+(const wxULongLong_t ll) const
 424         { return wxULongLongNative(m_ll + ll); }
 425     wxULongLongNative& operator+=(const wxULongLong_t ll)
 426         { m_ll += ll; return *this; }
 427
 428         // pre increment
 429     wxULongLongNative& operator++()
 430         { m_ll++; return *this; }
 431
 432         // post increment
 433     wxULongLongNative operator++(int)
 434         { wxULongLongNative value(*this); m_ll++; return value; }
 435
 436         // subtraction
 437     wxULongLongNative operator-(const wxULongLongNative& ll) const
 438         { return wxULongLongNative(m_ll - ll.m_ll); }
 439     wxULongLongNative& operator-=(const wxULongLongNative& ll)
 440         { m_ll -= ll.m_ll; return *this; }
 441
 442     wxULongLongNative operator-(const wxULongLong_t ll) const
 443         { return wxULongLongNative(m_ll - ll); }
 444     wxULongLongNative& operator-=(const wxULongLong_t ll)
 445         { m_ll -= ll; return *this; }
 446
 447         // pre decrement
 448     wxULongLongNative& operator--()
 449         { m_ll--; return *this; }
 450
 451         // post decrement
 452     wxULongLongNative operator--(int)
 453         { wxULongLongNative value(*this); m_ll--; return value; }
 454
 455     // shifts
 456         // left shift
 457     wxULongLongNative operator<<(int shift) const
 458         { return wxULongLongNative(m_ll << shift); }
 459     wxULongLongNative& operator<<=(int shift)
 460         { m_ll <<= shift; return *this; }
 461
 462         // right shift
 463     wxULongLongNative operator>>(int shift) const
 464         { return wxULongLongNative(m_ll >> shift); }
 465     wxULongLongNative& operator>>=(int shift)
 466         { m_ll >>= shift; return *this; }
 467
 468     // bitwise operators
 469     wxULongLongNative operator&(const wxULongLongNative& ll) const
 470         { return wxULongLongNative(m_ll & ll.m_ll); }
 471     wxULongLongNative& operator&=(const wxULongLongNative& ll)
 472         { m_ll &= ll.m_ll; return *this; }
 473
 474     wxULongLongNative operator|(const wxULongLongNative& ll) const
 475         { return wxULongLongNative(m_ll | ll.m_ll); }
 476     wxULongLongNative& operator|=(const wxULongLongNative& ll)
 477         { m_ll |= ll.m_ll; return *this; }
 478
 479     wxULongLongNative operator^(const wxULongLongNative& ll) const
 480         { return wxULongLongNative(m_ll ^ ll.m_ll); }
 481     wxULongLongNative& operator^=(const wxULongLongNative& ll)
 482         { m_ll ^= ll.m_ll; return *this; }
 483
 484     // multiplication/division
 485     wxULongLongNative operator*(const wxULongLongNative& ll) const
 486         { return wxULongLongNative(m_ll * ll.m_ll); }
 487     wxULongLongNative operator*(unsigned long l) const
 488         { return wxULongLongNative(m_ll * l); }
 489     wxULongLongNative& operator*=(const wxULongLongNative& ll)
 490         { m_ll *= ll.m_ll; return *this; }
 491     wxULongLongNative& operator*=(unsigned long l)
 492         { m_ll *= l; return *this; }
 493
 494     wxULongLongNative operator/(const wxULongLongNative& ll) const
 495         { return wxULongLongNative(m_ll / ll.m_ll); }
 496     wxULongLongNative operator/(unsigned long l) const
 497         { return wxULongLongNative(m_ll / l); }
 498     wxULongLongNative& operator/=(const wxULongLongNative& ll)
 499         { m_ll /= ll.m_ll; return *this; }
 500     wxULongLongNative& operator/=(unsigned long l)
 501         { m_ll /= l; return *this; }
 502
 503     wxULongLongNative operator%(const wxULongLongNative& ll) const
 504         { return wxULongLongNative(m_ll % ll.m_ll); }
 505     wxULongLongNative operator%(unsigned long l) const
 506         { return wxULongLongNative(m_ll % l); }
 507
 508     // comparison
 509     bool operator==(const wxULongLongNative& ll) const
 510         { return m_ll == ll.m_ll; }
 511     bool operator==(unsigned long l) const
 512         { return m_ll == l; }
 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
 534     // miscellaneous
 535
 536         // return the string representation of this number
 537     wxString ToString() const;
 538
 539         // conversion to byte array: returns a pointer to static buffer!
 540     void *asArray() const;
 541
 542 #if wxUSE_STD_IOSTREAM
 543         // input/output
 544     friend WXDLLIMPEXP_BASE
 545     wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
 546 #endif
 547
 548     friend WXDLLIMPEXP_BASE
 549     wxString& operator<<(wxString&, const wxULongLongNative&);
 550
 551 #if wxUSE_STREAMS
 552     friend WXDLLIMPEXP_BASE
 553     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongNative&);
 554     friend WXDLLIMPEXP_BASE
 555     class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongNative&);
 556 #endif
 557
 558 private:
 559     wxULongLong_t  m_ll;
 560 };
 561
 562 inline
 563 wxLongLongNative& wxLongLongNative::operator=(const wxULongLongNative &ll)
 564 {
 565     m_ll = ll.GetValue();
 566     return *this;
 567 }
 568
 569 #endif // wxUSE_LONGLONG_NATIVE
 570
 571 #if wxUSE_LONGLONG_WX
 572
 573 class WXDLLIMPEXP_BASE wxLongLongWx
 574 {
 575 public:
 576     // ctors
 577         // default ctor initializes to 0
 578     wxLongLongWx()
 579     {
 580         m_lo = m_hi = 0;
 581
 582 #ifdef wxLONGLONG_TEST_MODE
 583         m_ll = 0;
 584
 585         Check();
 586 #endif // wxLONGLONG_TEST_MODE
 587     }
 588         // from long
 589     wxLongLongWx(long l) { *this = l; }
 590         // from 2 longs
 591     wxLongLongWx(long hi, unsigned long lo)
 592     {
 593         m_hi = hi;
 594         m_lo = lo;
 595
 596 #ifdef wxLONGLONG_TEST_MODE
 597         m_ll = hi;
 598         m_ll <<= 32;
 599         m_ll |= lo;
 600
 601         Check();
 602 #endif // wxLONGLONG_TEST_MODE
 603     }
 604
 605     // default copy ctor is ok in both cases
 606
 607     // no dtor
 608
 609     // assignment operators
 610         // from long
 611     wxLongLongWx& operator=(long l)
 612     {
 613         m_lo = l;
 614         m_hi = (l < 0 ? -1l : 0l);
 615
 616 #ifdef wxLONGLONG_TEST_MODE
 617         m_ll = l;
 618
 619         Check();
 620 #endif // wxLONGLONG_TEST_MODE
 621
 622         return *this;
 623     }
 624         // from int
 625     wxLongLongWx& operator=(int l)
 626     {
 627         return operator=((long)l);
 628     }
 629
 630     wxLongLongWx& operator=(unsigned long l)
 631     {
 632         m_lo = l;
 633         m_hi = 0;
 634
 635 #ifdef wxLONGLONG_TEST_MODE
 636         m_ll = l;
 637
 638         Check();
 639 #endif // wxLONGLONG_TEST_MODE
 640
 641         return *this;
 642     }
 643
 644     wxLongLongWx& operator=(unsigned int l)
 645     {
 646         return operator=((unsigned long)l);
 647     }
 648
 649     wxLongLongWx& operator=(const class wxULongLongWx &ll);
 650
 651     // from double
 652     wxLongLongWx& Assign(double d);
 653         // can't have assignment operator from 2 longs
 654
 655     // accessors
 656         // get high part
 657     long GetHi() const { return m_hi; }
 658         // get low part
 659     unsigned long GetLo() const { return m_lo; }
 660
 661         // get absolute value
 662     wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
 663     wxLongLongWx& Abs()
 664     {
 665         if ( m_hi < 0 )
 666             m_hi = -m_hi;
 667
 668 #ifdef wxLONGLONG_TEST_MODE
 669         if ( m_ll < 0 )
 670             m_ll = -m_ll;
 671
 672         Check();
 673 #endif // wxLONGLONG_TEST_MODE
 674
 675         return *this;
 676     }
 677
 678         // convert to long with range checking in debug mode (only!)
 679     long ToLong() const
 680     {
 681         wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
 682                       wxT("wxLongLong to long conversion loss of precision") );
 683
 684         return (long)m_lo;
 685     }
 686
 687         // convert to double
 688     double ToDouble() const;
 689
 690     // operations
 691         // addition
 692     wxLongLongWx operator+(const wxLongLongWx& ll) const;
 693     wxLongLongWx& operator+=(const wxLongLongWx& ll);
 694     wxLongLongWx operator+(long l) const;
 695     wxLongLongWx& operator+=(long l);
 696
 697         // pre increment operator
 698     wxLongLongWx& operator++();
 699
 700         // post increment operator
 701     wxLongLongWx& operator++(int) { return ++(*this); }
 702
 703         // negation operator
 704     wxLongLongWx operator-() const;
 705     wxLongLongWx& Negate();
 706
 707         // subraction
 708     wxLongLongWx operator-(const wxLongLongWx& ll) const;
 709     wxLongLongWx& operator-=(const wxLongLongWx& ll);
 710
 711         // pre decrement operator
 712     wxLongLongWx& operator--();
 713
 714         // post decrement operator
 715     wxLongLongWx& operator--(int) { return --(*this); }
 716
 717     // shifts
 718         // left shift
 719     wxLongLongWx operator<<(int shift) const;
 720     wxLongLongWx& operator<<=(int shift);
 721
 722         // right shift
 723     wxLongLongWx operator>>(int shift) const;
 724     wxLongLongWx& operator>>=(int shift);
 725
 726     // bitwise operators
 727     wxLongLongWx operator&(const wxLongLongWx& ll) const;
 728     wxLongLongWx& operator&=(const wxLongLongWx& ll);
 729     wxLongLongWx operator|(const wxLongLongWx& ll) const;
 730     wxLongLongWx& operator|=(const wxLongLongWx& ll);
 731     wxLongLongWx operator^(const wxLongLongWx& ll) const;
 732     wxLongLongWx& operator^=(const wxLongLongWx& ll);
 733     wxLongLongWx operator~() const;
 734
 735     // comparison
 736     bool operator==(const wxLongLongWx& ll) const
 737         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 738 #if wxUSE_LONGLONG_NATIVE
 739     bool operator==(const wxLongLongNative& ll) const
 740         { return m_lo == ll.GetLo() && m_hi == ll.GetHi(); }
 741 #endif
 742     bool operator!=(const wxLongLongWx& ll) const
 743         { return !(*this == ll); }
 744     bool operator<(const wxLongLongWx& ll) const;
 745     bool operator>(const wxLongLongWx& ll) const;
 746     bool operator<=(const wxLongLongWx& ll) const
 747         { return *this < ll || *this == ll; }
 748     bool operator>=(const wxLongLongWx& ll) const
 749         { return *this > ll || *this == ll; }
 750
 751     bool operator<(long l) const { return *this < wxLongLongWx(l); }
 752     bool operator>(long l) const { return *this > wxLongLongWx(l); }
 753     bool operator==(long l) const
 754     {
 755         return l >= 0 ? (m_hi == 0 && m_lo == (unsigned long)l)
 756                       : (m_hi == -1 && m_lo == (unsigned long)l);
 757     }
 758
 759     bool operator<=(long l) const { return *this < l || *this == l; }
 760     bool operator>=(long l) const { return *this > l || *this == l; }
 761
 762     // multiplication
 763     wxLongLongWx operator*(const wxLongLongWx& ll) const;
 764     wxLongLongWx& operator*=(const wxLongLongWx& ll);
 765
 766     // division
 767     wxLongLongWx operator/(const wxLongLongWx& ll) const;
 768     wxLongLongWx& operator/=(const wxLongLongWx& ll);
 769
 770     wxLongLongWx operator%(const wxLongLongWx& ll) const;
 771
 772     void Divide(const wxLongLongWx& divisor,
 773                 wxLongLongWx& quotient,
 774                 wxLongLongWx& remainder) const;
 775
 776     // input/output
 777
 778     // return the string representation of this number
 779     wxString ToString() const;
 780
 781     void *asArray() const;
 782
 783 #if wxUSE_STD_IOSTREAM
 784     friend WXDLLIMPEXP_BASE
 785     wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
 786 #endif // wxUSE_STD_IOSTREAM
 787
 788     friend WXDLLIMPEXP_BASE
 789     wxString& operator<<(wxString&, const wxLongLongWx&);
 790
 791 #if wxUSE_STREAMS
 792     friend WXDLLIMPEXP_BASE
 793     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongWx&);
 794     friend WXDLLIMPEXP_BASE
 795     class wxTextInputStream& operator>>(class wxTextInputStream&, wxLongLongWx&);
 796 #endif
 797
 798 private:
 799     // long is at least 32 bits, so represent our 64bit number as 2 longs
 800
 801     long m_hi;                // signed bit is in the high part
 802     unsigned long m_lo;
 803
 804 #ifdef wxLONGLONG_TEST_MODE
 805     void Check()
 806     {
 807         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
 808     }
 809
 810     wxLongLong_t m_ll;
 811 #endif // wxLONGLONG_TEST_MODE
 812 };
 813
 814
 815 class WXDLLIMPEXP_BASE wxULongLongWx
 816 {
 817 public:
 818     // ctors
 819         // default ctor initializes to 0
 820     wxULongLongWx()
 821     {
 822         m_lo = m_hi = 0;
 823
 824 #ifdef wxLONGLONG_TEST_MODE
 825         m_ll = 0;
 826
 827         Check();
 828 #endif // wxLONGLONG_TEST_MODE
 829     }
 830         // from ulong
 831     wxULongLongWx(unsigned long l) { *this = l; }
 832         // from 2 ulongs
 833     wxULongLongWx(unsigned long hi, unsigned long lo)
 834     {
 835         m_hi = hi;
 836         m_lo = lo;
 837
 838 #ifdef wxLONGLONG_TEST_MODE
 839         m_ll = hi;
 840         m_ll <<= 32;
 841         m_ll |= lo;
 842
 843         Check();
 844 #endif // wxLONGLONG_TEST_MODE
 845     }
 846
 847     // from signed to unsigned
 848     wxULongLongWx(wxLongLongWx ll)
 849     {
 850         wxASSERT(ll.GetHi() >= 0);
 851         m_hi = (unsigned long)ll.GetHi();
 852         m_lo = ll.GetLo();
 853     }
 854
 855     // default copy ctor is ok in both cases
 856
 857     // no dtor
 858
 859     // assignment operators
 860         // from long
 861     wxULongLongWx& operator=(unsigned long l)
 862     {
 863         m_lo = l;
 864         m_hi = 0;
 865
 866 #ifdef wxLONGLONG_TEST_MODE
 867         m_ll = l;
 868
 869         Check();
 870 #endif // wxLONGLONG_TEST_MODE
 871
 872         return *this;
 873     }
 874     wxULongLongWx& operator=(long l)
 875     {
 876         m_lo = l;
 877         m_hi = (unsigned long) ((l<0) ? -1l : 0);
 878
 879 #ifdef wxLONGLONG_TEST_MODE
 880         m_ll = (wxULongLong_t) (wxLongLong_t) l;
 881
 882         Check();
 883 #endif // wxLONGLONG_TEST_MODE
 884
 885         return *this;
 886     }
 887     wxULongLongWx& operator=(const class wxLongLongWx &ll) {
 888         // Should we use an assert like it was before in the constructor?
 889         // wxASSERT(ll.GetHi() >= 0);
 890         m_hi = (unsigned long)ll.GetHi();
 891         m_lo = ll.GetLo();
 892         return *this;
 893     }
 894
 895     // can't have assignment operator from 2 longs
 896
 897     // accessors
 898         // get high part
 899     unsigned long GetHi() const { return m_hi; }
 900         // get low part
 901     unsigned long GetLo() const { return m_lo; }
 902
 903         // convert to long with range checking in debug mode (only!)
 904     unsigned long ToULong() const
 905     {
 906         wxASSERT_MSG( m_hi == 0ul,
 907                       wxT("wxULongLong to long conversion loss of precision") );
 908
 909         return (unsigned long)m_lo;
 910     }
 911
 912         // convert to double
 913     double ToDouble() const;
 914
 915     // operations
 916         // addition
 917     wxULongLongWx operator+(const wxULongLongWx& ll) const;
 918     wxULongLongWx& operator+=(const wxULongLongWx& ll);
 919     wxULongLongWx operator+(unsigned long l) const;
 920     wxULongLongWx& operator+=(unsigned long l);
 921
 922         // pre increment operator
 923     wxULongLongWx& operator++();
 924
 925         // post increment operator
 926     wxULongLongWx& operator++(int) { return ++(*this); }
 927
 928         // subtraction
 929     wxLongLongWx operator-(const wxULongLongWx& ll) const;
 930     wxULongLongWx& operator-=(const wxULongLongWx& ll);
 931
 932         // pre decrement operator
 933     wxULongLongWx& operator--();
 934
 935         // post decrement operator
 936     wxULongLongWx& operator--(int) { return --(*this); }
 937
 938     // shifts
 939         // left shift
 940     wxULongLongWx operator<<(int shift) const;
 941     wxULongLongWx& operator<<=(int shift);
 942
 943         // right shift
 944     wxULongLongWx operator>>(int shift) const;
 945     wxULongLongWx& operator>>=(int shift);
 946
 947     // bitwise operators
 948     wxULongLongWx operator&(const wxULongLongWx& ll) const;
 949     wxULongLongWx& operator&=(const wxULongLongWx& ll);
 950     wxULongLongWx operator|(const wxULongLongWx& ll) const;
 951     wxULongLongWx& operator|=(const wxULongLongWx& ll);
 952     wxULongLongWx operator^(const wxULongLongWx& ll) const;
 953     wxULongLongWx& operator^=(const wxULongLongWx& ll);
 954     wxULongLongWx operator~() const;
 955
 956     // comparison
 957     bool operator==(const wxULongLongWx& ll) const
 958         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 959     bool operator!=(const wxULongLongWx& ll) const
 960         { return !(*this == ll); }
 961     bool operator<(const wxULongLongWx& ll) const;
 962     bool operator>(const wxULongLongWx& ll) const;
 963     bool operator<=(const wxULongLongWx& ll) const
 964         { return *this < ll || *this == ll; }
 965     bool operator>=(const wxULongLongWx& ll) const
 966         { return *this > ll || *this == ll; }
 967
 968     bool operator<(unsigned long l) const { return *this < wxULongLongWx(l); }
 969     bool operator>(unsigned long l) const { return *this > wxULongLongWx(l); }
 970     bool operator==(unsigned long l) const
 971     {
 972         return (m_hi == 0 && m_lo == (unsigned long)l);
 973     }
 974
 975     bool operator<=(unsigned long l) const { return *this < l || *this == l; }
 976     bool operator>=(unsigned long l) const { return *this > l || *this == l; }
 977
 978     // multiplication
 979     wxULongLongWx operator*(const wxULongLongWx& ll) const;
 980     wxULongLongWx& operator*=(const wxULongLongWx& ll);
 981
 982     // division
 983     wxULongLongWx operator/(const wxULongLongWx& ll) const;
 984     wxULongLongWx& operator/=(const wxULongLongWx& ll);
 985
 986     wxULongLongWx operator%(const wxULongLongWx& ll) const;
 987
 988     void Divide(const wxULongLongWx& divisor,
 989                 wxULongLongWx& quotient,
 990                 wxULongLongWx& remainder) const;
 991
 992     // input/output
 993
 994     // return the string representation of this number
 995     wxString ToString() const;
 996
 997     void *asArray() const;
 998
 999 #if wxUSE_STD_IOSTREAM
1000     friend WXDLLIMPEXP_BASE
1001     wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
1002 #endif // wxUSE_STD_IOSTREAM
1003
1004     friend WXDLLIMPEXP_BASE
1005     wxString& operator<<(wxString&, const wxULongLongWx&);
1006
1007 #if wxUSE_STREAMS
1008     friend WXDLLIMPEXP_BASE
1009     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongWx&);
1010     friend WXDLLIMPEXP_BASE
1011     class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongWx&);
1012 #endif
1013
1014 private:
1015     // long is at least 32 bits, so represent our 64bit number as 2 longs
1016
1017     unsigned long m_hi;
1018     unsigned long m_lo;
1019
1020 #ifdef wxLONGLONG_TEST_MODE
1021     void Check()
1022     {
1023         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
1024     }
1025
1026     wxULongLong_t m_ll;
1027 #endif // wxLONGLONG_TEST_MODE
1028 };
1029
1030 #endif // wxUSE_LONGLONG_WX
1031
1032 // ----------------------------------------------------------------------------
1033 // binary operators
1034 // ----------------------------------------------------------------------------
1035
1036 inline bool operator<(long l, const wxLongLong& ll) { return ll > l; }
1037 inline bool operator>(long l, const wxLongLong& ll) { return ll < l; }
1038 inline bool operator<=(long l, const wxLongLong& ll) { return ll >= l; }
1039 inline bool operator>=(long l, const wxLongLong& ll) { return ll <= l; }
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
1043 inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; }
1044 inline wxLongLong operator-(long l, const wxLongLong& ll)
1045 {
1046     return wxLongLong(l) - ll;
1047 }
1048
1049 inline bool operator<(unsigned long l, const wxULongLong& ull) { return ull > l; }
1050 inline bool operator>(unsigned long l, const wxULongLong& ull) { return ull < l; }
1051 inline bool operator<=(unsigned long l, const wxULongLong& ull) { return ull >= l; }
1052 inline bool operator>=(unsigned long l, const wxULongLong& ull) { return ull <= l; }
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
1056 inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; }
1057
1058 inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
1059 {
1060     wxULongLong ret = wxULongLong(l) - ull;
1061     return wxLongLong((long)ret.GetHi(),ret.GetLo());
1062 }
1063
1064 #if wxUSE_LONGLONG_NATIVE && wxUSE_STREAMS
1065
1066 WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxULongLong_t value);
1067 WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxLongLong_t value);
1068
1069 WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxULongLong_t &value);
1070 WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxLongLong_t &value);
1071
1072 #endif
1073
1074 // ----------------------------------------------------------------------------
1075 // Specialize numeric_limits<> for our long long wrapper classes.
1076 // ----------------------------------------------------------------------------
1077
1078 #if wxUSE_LONGLONG_NATIVE
1079
1080 // VC6 is known to not have __int64 specializations of numeric_limits<> in its
1081 // <limits> anyhow so don't bother including it, especially as it results in
1082 // tons of warnings because the standard header itself uses obsolete template
1083 // specialization syntax.
1084 #ifndef __VISUALC6__
1085
1086 #include <limits>
1087
1088 namespace std
1089 {
1090
1091 template<> class numeric_limits<wxLongLong>
1092     : public numeric_limits<wxLongLong_t>
1093 {
1094 };
1095
1096 template<> class numeric_limits<wxULongLong>
1097     : public numeric_limits<wxULongLong_t>
1098 {
1099 };
1100
1101 } // namespace std
1102
1103 #endif // !VC6
1104
1105 #endif // wxUSE_LONGLONG_NATIVE
1106
1107 #endif // wxUSE_LONGLONG
1108
1109 #endif // _WX_LONGLONG_H