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 <= ULONG_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         //
 415         // For some completely obscure reasons compiling the cast below with
 416         // VC6 in DLL builds only (!) results in "error C2520: conversion from
 417         // unsigned __int64 to double not implemented, use signed __int64" so
 418         // we must use a different version for that compiler.
 419 #ifdef __VISUALC6__
 420     double ToDouble() const;
 421 #else
 422     double ToDouble() const { return wx_truncate_cast(double, m_ll); }
 423 #endif
 424
 425     // operations
 426         // addition
 427     wxULongLongNative operator+(const wxULongLongNative& ll) const
 428         { return wxULongLongNative(m_ll + ll.m_ll); }
 429     wxULongLongNative& operator+=(const wxULongLongNative& ll)
 430         { m_ll += ll.m_ll; return *this; }
 431
 432     wxULongLongNative operator+(const wxULongLong_t ll) const
 433         { return wxULongLongNative(m_ll + ll); }
 434     wxULongLongNative& operator+=(const wxULongLong_t ll)
 435         { m_ll += ll; return *this; }
 436
 437         // pre increment
 438     wxULongLongNative& operator++()
 439         { m_ll++; return *this; }
 440
 441         // post increment
 442     wxULongLongNative operator++(int)
 443         { wxULongLongNative value(*this); m_ll++; return value; }
 444
 445         // subtraction
 446     wxULongLongNative operator-(const wxULongLongNative& ll) const
 447         { return wxULongLongNative(m_ll - ll.m_ll); }
 448     wxULongLongNative& operator-=(const wxULongLongNative& ll)
 449         { m_ll -= ll.m_ll; return *this; }
 450
 451     wxULongLongNative operator-(const wxULongLong_t ll) const
 452         { return wxULongLongNative(m_ll - ll); }
 453     wxULongLongNative& operator-=(const wxULongLong_t ll)
 454         { m_ll -= ll; return *this; }
 455
 456         // pre decrement
 457     wxULongLongNative& operator--()
 458         { m_ll--; return *this; }
 459
 460         // post decrement
 461     wxULongLongNative operator--(int)
 462         { wxULongLongNative value(*this); m_ll--; return value; }
 463
 464     // shifts
 465         // left shift
 466     wxULongLongNative operator<<(int shift) const
 467         { return wxULongLongNative(m_ll << shift); }
 468     wxULongLongNative& operator<<=(int shift)
 469         { m_ll <<= shift; return *this; }
 470
 471         // right shift
 472     wxULongLongNative operator>>(int shift) const
 473         { return wxULongLongNative(m_ll >> shift); }
 474     wxULongLongNative& operator>>=(int shift)
 475         { m_ll >>= shift; return *this; }
 476
 477     // bitwise operators
 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     wxULongLongNative operator^(const wxULongLongNative& ll) const
 489         { return wxULongLongNative(m_ll ^ ll.m_ll); }
 490     wxULongLongNative& operator^=(const wxULongLongNative& ll)
 491         { m_ll ^= ll.m_ll; return *this; }
 492
 493     // multiplication/division
 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     wxULongLongNative& operator/=(const wxULongLongNative& ll)
 508         { m_ll /= ll.m_ll; return *this; }
 509     wxULongLongNative& operator/=(unsigned long l)
 510         { m_ll /= l; return *this; }
 511
 512     wxULongLongNative operator%(const wxULongLongNative& ll) const
 513         { return wxULongLongNative(m_ll % ll.m_ll); }
 514     wxULongLongNative operator%(unsigned long l) const
 515         { return wxULongLongNative(m_ll % l); }
 516
 517     // comparison
 518     bool operator==(const wxULongLongNative& ll) const
 519         { return m_ll == ll.m_ll; }
 520     bool operator==(unsigned long l) const
 521         { return m_ll == l; }
 522     bool operator!=(const wxULongLongNative& ll) const
 523         { return m_ll != ll.m_ll; }
 524     bool operator!=(unsigned long l) const
 525         { return m_ll != l; }
 526     bool operator<(const wxULongLongNative& ll) const
 527         { return m_ll < ll.m_ll; }
 528     bool operator<(unsigned long l) const
 529         { return m_ll < l; }
 530     bool operator>(const wxULongLongNative& ll) const
 531         { return m_ll > ll.m_ll; }
 532     bool operator>(unsigned long l) const
 533         { return m_ll > l; }
 534     bool operator<=(const wxULongLongNative& ll) const
 535         { return m_ll <= ll.m_ll; }
 536     bool operator<=(unsigned long l) const
 537         { return m_ll <= l; }
 538     bool operator>=(const wxULongLongNative& ll) const
 539         { return m_ll >= ll.m_ll; }
 540     bool operator>=(unsigned long l) const
 541         { return m_ll >= l; }
 542
 543     // miscellaneous
 544
 545         // return the string representation of this number
 546     wxString ToString() const;
 547
 548         // conversion to byte array: returns a pointer to static buffer!
 549     void *asArray() const;
 550
 551 #if wxUSE_STD_IOSTREAM
 552         // input/output
 553     friend WXDLLIMPEXP_BASE
 554     wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
 555 #endif
 556
 557     friend WXDLLIMPEXP_BASE
 558     wxString& operator<<(wxString&, const wxULongLongNative&);
 559
 560 #if wxUSE_STREAMS
 561     friend WXDLLIMPEXP_BASE
 562     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongNative&);
 563     friend WXDLLIMPEXP_BASE
 564     class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongNative&);
 565 #endif
 566
 567 private:
 568     wxULongLong_t  m_ll;
 569 };
 570
 571 inline
 572 wxLongLongNative& wxLongLongNative::operator=(const wxULongLongNative &ll)
 573 {
 574     m_ll = ll.GetValue();
 575     return *this;
 576 }
 577
 578 #endif // wxUSE_LONGLONG_NATIVE
 579
 580 #if wxUSE_LONGLONG_WX
 581
 582 class WXDLLIMPEXP_BASE wxLongLongWx
 583 {
 584 public:
 585     // ctors
 586         // default ctor initializes to 0
 587     wxLongLongWx()
 588     {
 589         m_lo = m_hi = 0;
 590
 591 #ifdef wxLONGLONG_TEST_MODE
 592         m_ll = 0;
 593
 594         Check();
 595 #endif // wxLONGLONG_TEST_MODE
 596     }
 597         // from long
 598     wxLongLongWx(long l) { *this = l; }
 599         // from 2 longs
 600     wxLongLongWx(long hi, unsigned long lo)
 601     {
 602         m_hi = hi;
 603         m_lo = lo;
 604
 605 #ifdef wxLONGLONG_TEST_MODE
 606         m_ll = hi;
 607         m_ll <<= 32;
 608         m_ll |= lo;
 609
 610         Check();
 611 #endif // wxLONGLONG_TEST_MODE
 612     }
 613
 614     // default copy ctor is ok in both cases
 615
 616     // no dtor
 617
 618     // assignment operators
 619         // from long
 620     wxLongLongWx& operator=(long l)
 621     {
 622         m_lo = l;
 623         m_hi = (l < 0 ? -1l : 0l);
 624
 625 #ifdef wxLONGLONG_TEST_MODE
 626         m_ll = l;
 627
 628         Check();
 629 #endif // wxLONGLONG_TEST_MODE
 630
 631         return *this;
 632     }
 633         // from int
 634     wxLongLongWx& operator=(int l)
 635     {
 636         return operator=((long)l);
 637     }
 638
 639     wxLongLongWx& operator=(unsigned long l)
 640     {
 641         m_lo = l;
 642         m_hi = 0;
 643
 644 #ifdef wxLONGLONG_TEST_MODE
 645         m_ll = l;
 646
 647         Check();
 648 #endif // wxLONGLONG_TEST_MODE
 649
 650         return *this;
 651     }
 652
 653     wxLongLongWx& operator=(unsigned int l)
 654     {
 655         return operator=((unsigned long)l);
 656     }
 657
 658     wxLongLongWx& operator=(const class wxULongLongWx &ll);
 659
 660     // from double
 661     wxLongLongWx& Assign(double d);
 662         // can't have assignment operator from 2 longs
 663
 664     // accessors
 665         // get high part
 666     long GetHi() const { return m_hi; }
 667         // get low part
 668     unsigned long GetLo() const { return m_lo; }
 669
 670         // get absolute value
 671     wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
 672     wxLongLongWx& Abs()
 673     {
 674         if ( m_hi < 0 )
 675             m_hi = -m_hi;
 676
 677 #ifdef wxLONGLONG_TEST_MODE
 678         if ( m_ll < 0 )
 679             m_ll = -m_ll;
 680
 681         Check();
 682 #endif // wxLONGLONG_TEST_MODE
 683
 684         return *this;
 685     }
 686
 687         // convert to long with range checking in debug mode (only!)
 688     long ToLong() const
 689     {
 690         wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
 691                       wxT("wxLongLong to long conversion loss of precision") );
 692
 693         return (long)m_lo;
 694     }
 695
 696         // convert to double
 697     double ToDouble() const;
 698
 699     // operations
 700         // addition
 701     wxLongLongWx operator+(const wxLongLongWx& ll) const;
 702     wxLongLongWx& operator+=(const wxLongLongWx& ll);
 703     wxLongLongWx operator+(long l) const;
 704     wxLongLongWx& operator+=(long l);
 705
 706         // pre increment operator
 707     wxLongLongWx& operator++();
 708
 709         // post increment operator
 710     wxLongLongWx& operator++(int) { return ++(*this); }
 711
 712         // negation operator
 713     wxLongLongWx operator-() const;
 714     wxLongLongWx& Negate();
 715
 716         // subraction
 717     wxLongLongWx operator-(const wxLongLongWx& ll) const;
 718     wxLongLongWx& operator-=(const wxLongLongWx& ll);
 719
 720         // pre decrement operator
 721     wxLongLongWx& operator--();
 722
 723         // post decrement operator
 724     wxLongLongWx& operator--(int) { return --(*this); }
 725
 726     // shifts
 727         // left shift
 728     wxLongLongWx operator<<(int shift) const;
 729     wxLongLongWx& operator<<=(int shift);
 730
 731         // right shift
 732     wxLongLongWx operator>>(int shift) const;
 733     wxLongLongWx& operator>>=(int shift);
 734
 735     // bitwise operators
 736     wxLongLongWx operator&(const wxLongLongWx& ll) const;
 737     wxLongLongWx& operator&=(const wxLongLongWx& ll);
 738     wxLongLongWx operator|(const wxLongLongWx& ll) const;
 739     wxLongLongWx& operator|=(const wxLongLongWx& ll);
 740     wxLongLongWx operator^(const wxLongLongWx& ll) const;
 741     wxLongLongWx& operator^=(const wxLongLongWx& ll);
 742     wxLongLongWx operator~() const;
 743
 744     // comparison
 745     bool operator==(const wxLongLongWx& ll) const
 746         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 747 #if wxUSE_LONGLONG_NATIVE
 748     bool operator==(const wxLongLongNative& ll) const
 749         { return m_lo == ll.GetLo() && m_hi == ll.GetHi(); }
 750 #endif
 751     bool operator!=(const wxLongLongWx& ll) const
 752         { return !(*this == ll); }
 753     bool operator<(const wxLongLongWx& ll) const;
 754     bool operator>(const wxLongLongWx& ll) const;
 755     bool operator<=(const wxLongLongWx& ll) const
 756         { return *this < ll || *this == ll; }
 757     bool operator>=(const wxLongLongWx& ll) const
 758         { return *this > ll || *this == ll; }
 759
 760     bool operator<(long l) const { return *this < wxLongLongWx(l); }
 761     bool operator>(long l) const { return *this > wxLongLongWx(l); }
 762     bool operator==(long l) const
 763     {
 764         return l >= 0 ? (m_hi == 0 && m_lo == (unsigned long)l)
 765                       : (m_hi == -1 && m_lo == (unsigned long)l);
 766     }
 767
 768     bool operator<=(long l) const { return *this < l || *this == l; }
 769     bool operator>=(long l) const { return *this > l || *this == l; }
 770
 771     // multiplication
 772     wxLongLongWx operator*(const wxLongLongWx& ll) const;
 773     wxLongLongWx& operator*=(const wxLongLongWx& ll);
 774
 775     // division
 776     wxLongLongWx operator/(const wxLongLongWx& ll) const;
 777     wxLongLongWx& operator/=(const wxLongLongWx& ll);
 778
 779     wxLongLongWx operator%(const wxLongLongWx& ll) const;
 780
 781     void Divide(const wxLongLongWx& divisor,
 782                 wxLongLongWx& quotient,
 783                 wxLongLongWx& remainder) const;
 784
 785     // input/output
 786
 787     // return the string representation of this number
 788     wxString ToString() const;
 789
 790     void *asArray() const;
 791
 792 #if wxUSE_STD_IOSTREAM
 793     friend WXDLLIMPEXP_BASE
 794     wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
 795 #endif // wxUSE_STD_IOSTREAM
 796
 797     friend WXDLLIMPEXP_BASE
 798     wxString& operator<<(wxString&, const wxLongLongWx&);
 799
 800 #if wxUSE_STREAMS
 801     friend WXDLLIMPEXP_BASE
 802     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxLongLongWx&);
 803     friend WXDLLIMPEXP_BASE
 804     class wxTextInputStream& operator>>(class wxTextInputStream&, wxLongLongWx&);
 805 #endif
 806
 807 private:
 808     // long is at least 32 bits, so represent our 64bit number as 2 longs
 809
 810     long m_hi;                // signed bit is in the high part
 811     unsigned long m_lo;
 812
 813 #ifdef wxLONGLONG_TEST_MODE
 814     void Check()
 815     {
 816         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
 817     }
 818
 819     wxLongLong_t m_ll;
 820 #endif // wxLONGLONG_TEST_MODE
 821 };
 822
 823
 824 class WXDLLIMPEXP_BASE wxULongLongWx
 825 {
 826 public:
 827     // ctors
 828         // default ctor initializes to 0
 829     wxULongLongWx()
 830     {
 831         m_lo = m_hi = 0;
 832
 833 #ifdef wxLONGLONG_TEST_MODE
 834         m_ll = 0;
 835
 836         Check();
 837 #endif // wxLONGLONG_TEST_MODE
 838     }
 839         // from ulong
 840     wxULongLongWx(unsigned long l) { *this = l; }
 841         // from 2 ulongs
 842     wxULongLongWx(unsigned long hi, unsigned long lo)
 843     {
 844         m_hi = hi;
 845         m_lo = lo;
 846
 847 #ifdef wxLONGLONG_TEST_MODE
 848         m_ll = hi;
 849         m_ll <<= 32;
 850         m_ll |= lo;
 851
 852         Check();
 853 #endif // wxLONGLONG_TEST_MODE
 854     }
 855
 856     // from signed to unsigned
 857     wxULongLongWx(wxLongLongWx ll)
 858     {
 859         wxASSERT(ll.GetHi() >= 0);
 860         m_hi = (unsigned long)ll.GetHi();
 861         m_lo = ll.GetLo();
 862     }
 863
 864     // default copy ctor is ok in both cases
 865
 866     // no dtor
 867
 868     // assignment operators
 869         // from long
 870     wxULongLongWx& operator=(unsigned long l)
 871     {
 872         m_lo = l;
 873         m_hi = 0;
 874
 875 #ifdef wxLONGLONG_TEST_MODE
 876         m_ll = l;
 877
 878         Check();
 879 #endif // wxLONGLONG_TEST_MODE
 880
 881         return *this;
 882     }
 883     wxULongLongWx& operator=(long l)
 884     {
 885         m_lo = l;
 886         m_hi = (unsigned long) ((l<0) ? -1l : 0);
 887
 888 #ifdef wxLONGLONG_TEST_MODE
 889         m_ll = (wxULongLong_t) (wxLongLong_t) l;
 890
 891         Check();
 892 #endif // wxLONGLONG_TEST_MODE
 893
 894         return *this;
 895     }
 896     wxULongLongWx& operator=(const class wxLongLongWx &ll) {
 897         // Should we use an assert like it was before in the constructor?
 898         // wxASSERT(ll.GetHi() >= 0);
 899         m_hi = (unsigned long)ll.GetHi();
 900         m_lo = ll.GetLo();
 901         return *this;
 902     }
 903
 904     // can't have assignment operator from 2 longs
 905
 906     // accessors
 907         // get high part
 908     unsigned long GetHi() const { return m_hi; }
 909         // get low part
 910     unsigned long GetLo() const { return m_lo; }
 911
 912         // convert to long with range checking in debug mode (only!)
 913     unsigned long ToULong() const
 914     {
 915         wxASSERT_MSG( m_hi == 0ul,
 916                       wxT("wxULongLong to long conversion loss of precision") );
 917
 918         return (unsigned long)m_lo;
 919     }
 920
 921         // convert to double
 922     double ToDouble() const;
 923
 924     // operations
 925         // addition
 926     wxULongLongWx operator+(const wxULongLongWx& ll) const;
 927     wxULongLongWx& operator+=(const wxULongLongWx& ll);
 928     wxULongLongWx operator+(unsigned long l) const;
 929     wxULongLongWx& operator+=(unsigned long l);
 930
 931         // pre increment operator
 932     wxULongLongWx& operator++();
 933
 934         // post increment operator
 935     wxULongLongWx& operator++(int) { return ++(*this); }
 936
 937         // subtraction
 938     wxLongLongWx operator-(const wxULongLongWx& ll) const;
 939     wxULongLongWx& operator-=(const wxULongLongWx& ll);
 940
 941         // pre decrement operator
 942     wxULongLongWx& operator--();
 943
 944         // post decrement operator
 945     wxULongLongWx& operator--(int) { return --(*this); }
 946
 947     // shifts
 948         // left shift
 949     wxULongLongWx operator<<(int shift) const;
 950     wxULongLongWx& operator<<=(int shift);
 951
 952         // right shift
 953     wxULongLongWx operator>>(int shift) const;
 954     wxULongLongWx& operator>>=(int shift);
 955
 956     // bitwise operators
 957     wxULongLongWx operator&(const wxULongLongWx& ll) const;
 958     wxULongLongWx& operator&=(const wxULongLongWx& ll);
 959     wxULongLongWx operator|(const wxULongLongWx& ll) const;
 960     wxULongLongWx& operator|=(const wxULongLongWx& ll);
 961     wxULongLongWx operator^(const wxULongLongWx& ll) const;
 962     wxULongLongWx& operator^=(const wxULongLongWx& ll);
 963     wxULongLongWx operator~() const;
 964
 965     // comparison
 966     bool operator==(const wxULongLongWx& ll) const
 967         { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
 968     bool operator!=(const wxULongLongWx& ll) const
 969         { return !(*this == ll); }
 970     bool operator<(const wxULongLongWx& ll) const;
 971     bool operator>(const wxULongLongWx& ll) const;
 972     bool operator<=(const wxULongLongWx& ll) const
 973         { return *this < ll || *this == ll; }
 974     bool operator>=(const wxULongLongWx& ll) const
 975         { return *this > ll || *this == ll; }
 976
 977     bool operator<(unsigned long l) const { return *this < wxULongLongWx(l); }
 978     bool operator>(unsigned long l) const { return *this > wxULongLongWx(l); }
 979     bool operator==(unsigned long l) const
 980     {
 981         return (m_hi == 0 && m_lo == (unsigned long)l);
 982     }
 983
 984     bool operator<=(unsigned long l) const { return *this < l || *this == l; }
 985     bool operator>=(unsigned long l) const { return *this > l || *this == l; }
 986
 987     // multiplication
 988     wxULongLongWx operator*(const wxULongLongWx& ll) const;
 989     wxULongLongWx& operator*=(const wxULongLongWx& ll);
 990
 991     // division
 992     wxULongLongWx operator/(const wxULongLongWx& ll) const;
 993     wxULongLongWx& operator/=(const wxULongLongWx& ll);
 994
 995     wxULongLongWx operator%(const wxULongLongWx& ll) const;
 996
 997     void Divide(const wxULongLongWx& divisor,
 998                 wxULongLongWx& quotient,
 999                 wxULongLongWx& remainder) const;
1000
1001     // input/output
1002
1003     // return the string representation of this number
1004     wxString ToString() const;
1005
1006     void *asArray() const;
1007
1008 #if wxUSE_STD_IOSTREAM
1009     friend WXDLLIMPEXP_BASE
1010     wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
1011 #endif // wxUSE_STD_IOSTREAM
1012
1013     friend WXDLLIMPEXP_BASE
1014     wxString& operator<<(wxString&, const wxULongLongWx&);
1015
1016 #if wxUSE_STREAMS
1017     friend WXDLLIMPEXP_BASE
1018     class wxTextOutputStream& operator<<(class wxTextOutputStream&, const wxULongLongWx&);
1019     friend WXDLLIMPEXP_BASE
1020     class wxTextInputStream& operator>>(class wxTextInputStream&, wxULongLongWx&);
1021 #endif
1022
1023 private:
1024     // long is at least 32 bits, so represent our 64bit number as 2 longs
1025
1026     unsigned long m_hi;
1027     unsigned long m_lo;
1028
1029 #ifdef wxLONGLONG_TEST_MODE
1030     void Check()
1031     {
1032         wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
1033     }
1034
1035     wxULongLong_t m_ll;
1036 #endif // wxLONGLONG_TEST_MODE
1037 };
1038
1039 #endif // wxUSE_LONGLONG_WX
1040
1041 // ----------------------------------------------------------------------------
1042 // binary operators
1043 // ----------------------------------------------------------------------------
1044
1045 inline bool operator<(long l, const wxLongLong& ll) { return ll > l; }
1046 inline bool operator>(long l, const wxLongLong& ll) { return ll < l; }
1047 inline bool operator<=(long l, const wxLongLong& ll) { return ll >= l; }
1048 inline bool operator>=(long l, const wxLongLong& ll) { return ll <= l; }
1049 inline bool operator==(long l, const wxLongLong& ll) { return ll == l; }
1050 inline bool operator!=(long l, const wxLongLong& ll) { return ll != l; }
1051
1052 inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; }
1053 inline wxLongLong operator-(long l, const wxLongLong& ll)
1054 {
1055     return wxLongLong(l) - ll;
1056 }
1057
1058 inline bool operator<(unsigned long l, const wxULongLong& ull) { return ull > l; }
1059 inline bool operator>(unsigned long l, const wxULongLong& ull) { return ull < l; }
1060 inline bool operator<=(unsigned long l, const wxULongLong& ull) { return ull >= l; }
1061 inline bool operator>=(unsigned long l, const wxULongLong& ull) { return ull <= l; }
1062 inline bool operator==(unsigned long l, const wxULongLong& ull) { return ull == l; }
1063 inline bool operator!=(unsigned long l, const wxULongLong& ull) { return ull != l; }
1064
1065 inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; }
1066
1067 inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
1068 {
1069     wxULongLong ret = wxULongLong(l) - ull;
1070     return wxLongLong((long)ret.GetHi(),ret.GetLo());
1071 }
1072
1073 #if wxUSE_LONGLONG_NATIVE && wxUSE_STREAMS
1074
1075 WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxULongLong_t value);
1076 WXDLLIMPEXP_BASE class wxTextOutputStream &operator<<(class wxTextOutputStream &stream, wxLongLong_t value);
1077
1078 WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxULongLong_t &value);
1079 WXDLLIMPEXP_BASE class wxTextInputStream &operator>>(class wxTextInputStream &stream, wxLongLong_t &value);
1080
1081 #endif
1082
1083 // ----------------------------------------------------------------------------
1084 // Specialize numeric_limits<> for our long long wrapper classes.
1085 // ----------------------------------------------------------------------------
1086
1087 #if wxUSE_LONGLONG_NATIVE
1088
1089 // VC6 is known to not have __int64 specializations of numeric_limits<> in its
1090 // <limits> anyhow so don't bother including it, especially as it results in
1091 // tons of warnings because the standard header itself uses obsolete template
1092 // specialization syntax.
1093 #ifndef __VISUALC6__
1094
1095 #include <limits>
1096
1097 namespace std
1098 {
1099
1100 template<> class numeric_limits<wxLongLong>
1101     : public numeric_limits<wxLongLong_t>
1102 {
1103 };
1104
1105 template<> class numeric_limits<wxULongLong>
1106     : public numeric_limits<wxULongLong_t>
1107 {
1108 };
1109
1110 } // namespace std
1111
1112 #endif // !VC6
1113
1114 #endif // wxUSE_LONGLONG_NATIVE
1115
1116 #endif // wxUSE_LONGLONG
1117
1118 #endif // _WX_LONGLONG_H