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[wxWidgets.git] / include / wx / longlong.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/longlong.h
3 // Purpose: declaration of wxLongLong class - best implementation of a 64
4 // bit integer for the current platform.
5 // Author: Jeffrey C. Ollie <jeff@ollie.clive.ia.us>, Vadim Zeitlin
6 // Modified by:
7 // Created: 10.02.99
8 // RCS-ID: $Id$
9 // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
10 // Licence: wxWindows licence
11 /////////////////////////////////////////////////////////////////////////////
12
13 #ifndef _WX_LONGLONG_H
14 #define _WX_LONGLONG_H
15
16 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
17 #pragma interface "longlong.h"
18 #endif
19
20 #include "wx/defs.h"
21 #include "wx/string.h"
22
23 #include <limits.h> // for LONG_MAX
24
25 // define this to compile wxLongLongWx in "test" mode: the results of all
26 // calculations will be compared with the real results taken from
27 // wxLongLongNative -- this is extremely useful to find the bugs in
28 // wxLongLongWx class!
29
30 // #define wxLONGLONG_TEST_MODE
31
32 #ifdef wxLONGLONG_TEST_MODE
33 #define wxUSE_LONGLONG_WX 1
34 #define wxUSE_LONGLONG_NATIVE 1
35 #endif // wxLONGLONG_TEST_MODE
36
37 // ----------------------------------------------------------------------------
38 // decide upon which class we will use
39 // ----------------------------------------------------------------------------
40
41 #ifndef wxLongLong_t
42 // both warning and pragma warning are not portable, but at least an
43 // unknown pragma should never be an error -- except that, actually, some
44 // broken compilers don't like it, so we have to disable it in this case
45 // <sigh>
46 #if !(defined(__WATCOMC__) || defined(__VISAGECPP__))
47 #pragma warning "Your compiler does not appear to support 64 bit "\
48 "integers, using emulation class instead.\n" \
49 "Please report your compiler version to " \
50 "wx-dev@lists.wxwidgets.org!"
51 #endif
52
53 #define wxUSE_LONGLONG_WX 1
54 #endif // compiler
55
56 // the user may predefine wxUSE_LONGLONG_NATIVE and/or wxUSE_LONGLONG_NATIVE
57 // to disable automatic testing (useful for the test program which defines
58 // both classes) but by default we only use one class
59 #if (defined(wxUSE_LONGLONG_WX) && wxUSE_LONGLONG_WX) || !defined(wxLongLong_t)
60 // don't use both classes unless wxUSE_LONGLONG_NATIVE was explicitly set:
61 // this is useful in test programs and only there
62 #ifndef wxUSE_LONGLONG_NATIVE
63 #define wxUSE_LONGLONG_NATIVE 0
64 #endif
65
66 class WXDLLIMPEXP_BASE wxLongLongWx;
67 class WXDLLIMPEXP_BASE wxULongLongWx;
68 #if defined(__VISUALC__) && !defined(__WIN32__)
69 #define wxLongLong wxLongLongWx
70 #define wxULongLong wxULongLongWx
71 #else
72 typedef wxLongLongWx wxLongLong;
73 typedef wxULongLongWx wxULongLong;
74 #endif
75
76 #else
77 // if nothing is defined, use native implementation by default, of course
78 #ifndef wxUSE_LONGLONG_NATIVE
79 #define wxUSE_LONGLONG_NATIVE 1
80 #endif
81 #endif
82
83 #ifndef wxUSE_LONGLONG_WX
84 #define wxUSE_LONGLONG_WX 0
85 class WXDLLIMPEXP_BASE wxLongLongNative;
86 class WXDLLIMPEXP_BASE wxULongLongNative;
87 typedef wxLongLongNative wxLongLong;
88 typedef wxULongLongNative wxULongLong;
89 #endif
90
91 // NB: if both wxUSE_LONGLONG_WX and NATIVE are defined, the user code should
92 // typedef wxLongLong as it wants, we don't do it
93
94 // ----------------------------------------------------------------------------
95 // choose the appropriate class
96 // ----------------------------------------------------------------------------
97
98 // we use iostream for wxLongLong output
99 #include "wx/iosfwrap.h"
100
101 #if wxUSE_LONGLONG_NATIVE
102
103 class WXDLLIMPEXP_BASE wxLongLongNative
104 {
105 public:
106 // ctors
107 // default ctor initializes to 0
108 wxLongLongNative() : m_ll(0) { }
109 // from long long
110 wxLongLongNative(wxLongLong_t ll) : m_ll(ll) { }
111 // from 2 longs
112 wxLongLongNative(long hi, unsigned long lo) : m_ll(0)
113 {
114 // assign first to avoid precision loss!
115 m_ll = ((wxLongLong_t) hi) << 32;
116 m_ll |= (wxLongLong_t) lo;
117 }
118 #if wxUSE_LONGLONG_WX
119 wxLongLongNative(wxLongLongWx ll);
120 #endif
121
122 // default copy ctor is ok
123
124 // no dtor
125
126 // assignment operators
127 // from native 64 bit integer
128 wxLongLongNative& operator=(wxLongLong_t ll)
129 { m_ll = ll; return *this; }
130 #if wxUSE_LONGLONG_WX
131 wxLongLongNative& operator=(wxLongLongWx ll);
132 #endif
133
134
135 // from double: this one has an explicit name because otherwise we
136 // would have ambiguity with "ll = int" and also because we don't want
137 // to have implicit conversions between doubles and wxLongLongs
138 wxLongLongNative& Assign(double d)
139 { m_ll = (wxLongLong_t)d; return *this; }
140
141 // assignment operators from wxLongLongNative is ok
142
143 // accessors
144 // get high part
145 long GetHi() const
146 { return (long)(m_ll >> 32); }
147 // get low part
148 unsigned long GetLo() const
149 { return (unsigned long)m_ll; }
150
151 // get absolute value
152 wxLongLongNative Abs() const { return wxLongLongNative(*this).Abs(); }
153 wxLongLongNative& Abs() { if ( m_ll < 0 ) m_ll = -m_ll; return *this; }
154
155 // convert to native long long
156 wxLongLong_t GetValue() const { return m_ll; }
157
158 // convert to long with range checking in the debug mode (only!)
159 long ToLong() const
160 {
161 wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX),
162 _T("wxLongLong to long conversion loss of precision") );
163
164 return (long)m_ll;
165 }
166
167 // don't provide implicit conversion to wxLongLong_t or we will have an
168 // ambiguity for all arithmetic operations
169 //operator wxLongLong_t() const { return m_ll; }
170
171 // operations
172 // addition
173 wxLongLongNative operator+(const wxLongLongNative& ll) const
174 { return wxLongLongNative(m_ll + ll.m_ll); }
175 wxLongLongNative& operator+=(const wxLongLongNative& ll)
176 { m_ll += ll.m_ll; return *this; }
177
178 wxLongLongNative operator+(const wxLongLong_t ll) const
179 { return wxLongLongNative(m_ll + ll); }
180 wxLongLongNative& operator+=(const wxLongLong_t ll)
181 { m_ll += ll; return *this; }
182
183 // pre increment
184 wxLongLongNative& operator++()
185 { m_ll++; return *this; }
186
187 // post increment
188 wxLongLongNative operator++(int)
189 { wxLongLongNative value(*this); m_ll++; return value; }
190
191 // negation operator
192 wxLongLongNative operator-() const
193 { return wxLongLongNative(-m_ll); }
194 wxLongLongNative& Negate() { m_ll = -m_ll; return *this; }
195
196 // subtraction
197 wxLongLongNative operator-(const wxLongLongNative& ll) const
198 { return wxLongLongNative(m_ll - ll.m_ll); }
199 wxLongLongNative& operator-=(const wxLongLongNative& ll)
200 { m_ll -= ll.m_ll; return *this; }
201
202 wxLongLongNative operator-(const wxLongLong_t ll) const
203 { return wxLongLongNative(m_ll - ll); }
204 wxLongLongNative& operator-=(const wxLongLong_t ll)
205 { m_ll -= ll; return *this; }
206
207 // pre decrement
208 wxLongLongNative& operator--()
209 { m_ll--; return *this; }
210
211 // post decrement
212 wxLongLongNative operator--(int)
213 { wxLongLongNative value(*this); m_ll--; return value; }
214
215 // shifts
216 // left shift
217 wxLongLongNative operator<<(int shift) const
218 { return wxLongLongNative(m_ll << shift);; }
219 wxLongLongNative& operator<<=(int shift)
220 { m_ll <<= shift; return *this; }
221
222 // right shift
223 wxLongLongNative operator>>(int shift) const
224 { return wxLongLongNative(m_ll >> shift);; }
225 wxLongLongNative& operator>>=(int shift)
226 { m_ll >>= shift; return *this; }
227
228 // bitwise operators
229 wxLongLongNative operator&(const wxLongLongNative& ll) const
230 { return wxLongLongNative(m_ll & ll.m_ll); }
231 wxLongLongNative& operator&=(const wxLongLongNative& ll)
232 { m_ll &= ll.m_ll; return *this; }
233
234 wxLongLongNative operator|(const wxLongLongNative& ll) const
235 { return wxLongLongNative(m_ll | ll.m_ll); }
236 wxLongLongNative& operator|=(const wxLongLongNative& ll)
237 { m_ll |= ll.m_ll; return *this; }
238
239 wxLongLongNative operator^(const wxLongLongNative& ll) const
240 { return wxLongLongNative(m_ll ^ ll.m_ll); }
241 wxLongLongNative& operator^=(const wxLongLongNative& ll)
242 { m_ll ^= ll.m_ll; return *this; }
243
244 // multiplication/division
245 wxLongLongNative operator*(const wxLongLongNative& ll) const
246 { return wxLongLongNative(m_ll * ll.m_ll); }
247 wxLongLongNative operator*(long l) const
248 { return wxLongLongNative(m_ll * l); }
249 wxLongLongNative& operator*=(const wxLongLongNative& ll)
250 { m_ll *= ll.m_ll; return *this; }
251 wxLongLongNative& operator*=(long l)
252 { m_ll *= l; return *this; }
253
254 wxLongLongNative operator/(const wxLongLongNative& ll) const
255 { return wxLongLongNative(m_ll / ll.m_ll); }
256 wxLongLongNative operator/(long l) const
257 { return wxLongLongNative(m_ll / l); }
258 wxLongLongNative& operator/=(const wxLongLongNative& ll)
259 { m_ll /= ll.m_ll; return *this; }
260 wxLongLongNative& operator/=(long l)
261 { m_ll /= l; return *this; }
262
263 wxLongLongNative operator%(const wxLongLongNative& ll) const
264 { return wxLongLongNative(m_ll % ll.m_ll); }
265 wxLongLongNative operator%(long l) const
266 { return wxLongLongNative(m_ll % l); }
267
268 // comparison
269 bool operator==(const wxLongLongNative& ll) const
270 { return m_ll == ll.m_ll; }
271 bool operator==(long l) const
272 { return m_ll == l; }
273 bool operator!=(const wxLongLongNative& ll) const
274 { return m_ll != ll.m_ll; }
275 bool operator!=(long l) const
276 { return m_ll != l; }
277 bool operator<(const wxLongLongNative& ll) const
278 { return m_ll < ll.m_ll; }
279 bool operator<(long l) const
280 { return m_ll < l; }
281 bool operator>(const wxLongLongNative& ll) const
282 { return m_ll > ll.m_ll; }
283 bool operator>(long l) const
284 { return m_ll > l; }
285 bool operator<=(const wxLongLongNative& ll) const
286 { return m_ll <= ll.m_ll; }
287 bool operator<=(long l) const
288 { return m_ll <= l; }
289 bool operator>=(const wxLongLongNative& ll) const
290 { return m_ll >= ll.m_ll; }
291 bool operator>=(long l) const
292 { return m_ll >= l; }
293
294 // miscellaneous
295
296 // return the string representation of this number
297 wxString ToString() const;
298
299 // conversion to byte array: returns a pointer to static buffer!
300 void *asArray() const;
301
302 #if wxUSE_STD_IOSTREAM
303 // input/output
304 friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongNative&);
305 #endif
306
307 private:
308 wxLongLong_t m_ll;
309 };
310
311
312 class WXDLLIMPEXP_BASE wxULongLongNative
313 {
314 public:
315 // ctors
316 // default ctor initializes to 0
317 wxULongLongNative() : m_ll(0) { }
318 // from long long
319 wxULongLongNative(unsigned wxLongLong_t ll) : m_ll(ll) { }
320 // from 2 longs
321 wxULongLongNative(unsigned long hi, unsigned long lo) : m_ll(0)
322 {
323 // assign first to avoid precision loss!
324 m_ll = ((unsigned wxLongLong_t) hi) << 32;
325 m_ll |= (unsigned wxLongLong_t) lo;
326 }
327
328 // default copy ctor is ok
329
330 // no dtor
331
332 // assignment operators
333 // from native 64 bit integer
334 wxULongLongNative& operator=(unsigned wxLongLong_t ll)
335 { m_ll = ll; return *this; }
336
337 // assignment operators from wxULongLongNative is ok
338
339 // accessors
340 // get high part
341 unsigned long GetHi() const
342 { return (unsigned long)(m_ll >> 32); }
343 // get low part
344 unsigned long GetLo() const
345 { return (unsigned long)m_ll; }
346
347 // convert to native ulong long
348 unsigned wxLongLong_t GetValue() const { return m_ll; }
349
350 // convert to ulong with range checking in the debug mode (only!)
351 unsigned long ToULong() const
352 {
353 wxASSERT_MSG( m_ll <= LONG_MAX,
354 _T("wxULongLong to long conversion loss of precision") );
355
356 return (unsigned long)m_ll;
357 }
358
359 // operations
360 // addition
361 wxULongLongNative operator+(const wxULongLongNative& ll) const
362 { return wxULongLongNative(m_ll + ll.m_ll); }
363 wxULongLongNative& operator+=(const wxULongLongNative& ll)
364 { m_ll += ll.m_ll; return *this; }
365
366 wxULongLongNative operator+(const unsigned wxLongLong_t ll) const
367 { return wxULongLongNative(m_ll + ll); }
368 wxULongLongNative& operator+=(const unsigned wxLongLong_t ll)
369 { m_ll += ll; return *this; }
370
371 // pre increment
372 wxULongLongNative& operator++()
373 { m_ll++; return *this; }
374
375 // post increment
376 wxULongLongNative operator++(int)
377 { wxULongLongNative value(*this); m_ll++; return value; }
378
379 // subtraction
380 wxULongLongNative operator-(const wxULongLongNative& ll) const
381 { return wxULongLongNative(m_ll - ll.m_ll); }
382 wxULongLongNative& operator-=(const wxULongLongNative& ll)
383 { m_ll -= ll.m_ll; return *this; }
384
385 wxULongLongNative operator-(const unsigned wxLongLong_t ll) const
386 { return wxULongLongNative(m_ll - ll); }
387 wxULongLongNative& operator-=(const unsigned wxLongLong_t ll)
388 { m_ll -= ll; return *this; }
389
390 // pre decrement
391 wxULongLongNative& operator--()
392 { m_ll--; return *this; }
393
394 // post decrement
395 wxULongLongNative operator--(int)
396 { wxULongLongNative value(*this); m_ll--; return value; }
397
398 // shifts
399 // left shift
400 wxULongLongNative operator<<(int shift) const
401 { return wxULongLongNative(m_ll << shift);; }
402 wxULongLongNative& operator<<=(int shift)
403 { m_ll <<= shift; return *this; }
404
405 // right shift
406 wxULongLongNative operator>>(int shift) const
407 { return wxULongLongNative(m_ll >> shift);; }
408 wxULongLongNative& operator>>=(int shift)
409 { m_ll >>= shift; return *this; }
410
411 // bitwise operators
412 wxULongLongNative operator&(const wxULongLongNative& ll) const
413 { return wxULongLongNative(m_ll & ll.m_ll); }
414 wxULongLongNative& operator&=(const wxULongLongNative& ll)
415 { m_ll &= ll.m_ll; return *this; }
416
417 wxULongLongNative operator|(const wxULongLongNative& ll) const
418 { return wxULongLongNative(m_ll | ll.m_ll); }
419 wxULongLongNative& operator|=(const wxULongLongNative& ll)
420 { m_ll |= ll.m_ll; return *this; }
421
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 // multiplication/division
428 wxULongLongNative operator*(const wxULongLongNative& ll) const
429 { return wxULongLongNative(m_ll * ll.m_ll); }
430 wxULongLongNative operator*(unsigned long l) const
431 { return wxULongLongNative(m_ll * l); }
432 wxULongLongNative& operator*=(const wxULongLongNative& ll)
433 { m_ll *= ll.m_ll; return *this; }
434 wxULongLongNative& operator*=(unsigned long l)
435 { m_ll *= l; return *this; }
436
437 wxULongLongNative operator/(const wxULongLongNative& ll) const
438 { return wxULongLongNative(m_ll / ll.m_ll); }
439 wxULongLongNative operator/(unsigned long l) const
440 { return wxULongLongNative(m_ll / l); }
441 wxULongLongNative& operator/=(const wxULongLongNative& ll)
442 { m_ll /= ll.m_ll; return *this; }
443 wxULongLongNative& operator/=(unsigned long l)
444 { m_ll /= l; return *this; }
445
446 wxULongLongNative operator%(const wxULongLongNative& ll) const
447 { return wxULongLongNative(m_ll % ll.m_ll); }
448 wxULongLongNative operator%(unsigned long l) const
449 { return wxULongLongNative(m_ll % l); }
450
451 // comparison
452 bool operator==(const wxULongLongNative& ll) const
453 { return m_ll == ll.m_ll; }
454 bool operator==(unsigned long l) const
455 { return m_ll == l; }
456 bool operator!=(const wxULongLongNative& ll) const
457 { return m_ll != ll.m_ll; }
458 bool operator!=(unsigned long l) const
459 { return m_ll != l; }
460 bool operator<(const wxULongLongNative& ll) const
461 { return m_ll < ll.m_ll; }
462 bool operator<(unsigned long l) const
463 { return m_ll < l; }
464 bool operator>(const wxULongLongNative& ll) const
465 { return m_ll > ll.m_ll; }
466 bool operator>(unsigned long l) const
467 { return m_ll > l; }
468 bool operator<=(const wxULongLongNative& ll) const
469 { return m_ll <= ll.m_ll; }
470 bool operator<=(unsigned long l) const
471 { return m_ll <= l; }
472 bool operator>=(const wxULongLongNative& ll) const
473 { return m_ll >= ll.m_ll; }
474 bool operator>=(unsigned long l) const
475 { return m_ll >= l; }
476
477 // miscellaneous
478
479 // return the string representation of this number
480 wxString ToString() const;
481
482 // conversion to byte array: returns a pointer to static buffer!
483 void *asArray() const;
484
485 #if wxUSE_STD_IOSTREAM
486 // input/output
487 friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongNative&);
488 #endif
489
490 private:
491 unsigned wxLongLong_t m_ll;
492 };
493
494 #endif // wxUSE_LONGLONG_NATIVE
495
496 #if wxUSE_LONGLONG_WX
497
498 class WXDLLIMPEXP_BASE wxLongLongWx
499 {
500 public:
501 // ctors
502 // default ctor initializes to 0
503 wxLongLongWx()
504 {
505 m_lo = m_hi = 0;
506
507 #ifdef wxLONGLONG_TEST_MODE
508 m_ll = 0;
509
510 Check();
511 #endif // wxLONGLONG_TEST_MODE
512 }
513 // from long
514 wxLongLongWx(long l) { *this = l; }
515 // from 2 longs
516 wxLongLongWx(long hi, unsigned long lo)
517 {
518 m_hi = hi;
519 m_lo = lo;
520
521 #ifdef wxLONGLONG_TEST_MODE
522 m_ll = hi;
523 m_ll <<= 32;
524 m_ll |= lo;
525
526 Check();
527 #endif // wxLONGLONG_TEST_MODE
528 }
529
530 // default copy ctor is ok in both cases
531
532 // no dtor
533
534 // assignment operators
535 // from long
536 wxLongLongWx& operator=(long l)
537 {
538 m_lo = l;
539 m_hi = (l < 0 ? -1l : 0l);
540
541 #ifdef wxLONGLONG_TEST_MODE
542 m_ll = l;
543
544 Check();
545 #endif // wxLONGLONG_TEST_MODE
546
547 return *this;
548 }
549 // from double
550 wxLongLongWx& Assign(double d);
551 // can't have assignment operator from 2 longs
552
553 // accessors
554 // get high part
555 long GetHi() const { return m_hi; }
556 // get low part
557 unsigned long GetLo() const { return m_lo; }
558
559 // get absolute value
560 wxLongLongWx Abs() const { return wxLongLongWx(*this).Abs(); }
561 wxLongLongWx& Abs()
562 {
563 if ( m_hi < 0 )
564 m_hi = -m_hi;
565
566 #ifdef wxLONGLONG_TEST_MODE
567 if ( m_ll < 0 )
568 m_ll = -m_ll;
569
570 Check();
571 #endif // wxLONGLONG_TEST_MODE
572
573 return *this;
574 }
575
576 // convert to long with range checking in the debug mode (only!)
577 long ToLong() const
578 {
579 wxASSERT_MSG( (m_hi == 0l) || (m_hi == -1l),
580 _T("wxLongLong to long conversion loss of precision") );
581
582 return (long)m_lo;
583 }
584
585 // operations
586 // addition
587 wxLongLongWx operator+(const wxLongLongWx& ll) const;
588 wxLongLongWx& operator+=(const wxLongLongWx& ll);
589 wxLongLongWx operator+(long l) const;
590 wxLongLongWx& operator+=(long l);
591
592 // pre increment operator
593 wxLongLongWx& operator++();
594
595 // post increment operator
596 wxLongLongWx& operator++(int) { return ++(*this); }
597
598 // negation operator
599 wxLongLongWx operator-() const;
600 wxLongLongWx& Negate();
601
602 // subraction
603 wxLongLongWx operator-(const wxLongLongWx& ll) const;
604 wxLongLongWx& operator-=(const wxLongLongWx& ll);
605
606 // pre decrement operator
607 wxLongLongWx& operator--();
608
609 // post decrement operator
610 wxLongLongWx& operator--(int) { return --(*this); }
611
612 // shifts
613 // left shift
614 wxLongLongWx operator<<(int shift) const;
615 wxLongLongWx& operator<<=(int shift);
616
617 // right shift
618 wxLongLongWx operator>>(int shift) const;
619 wxLongLongWx& operator>>=(int shift);
620
621 // bitwise operators
622 wxLongLongWx operator&(const wxLongLongWx& ll) const;
623 wxLongLongWx& operator&=(const wxLongLongWx& ll);
624 wxLongLongWx operator|(const wxLongLongWx& ll) const;
625 wxLongLongWx& operator|=(const wxLongLongWx& ll);
626 wxLongLongWx operator^(const wxLongLongWx& ll) const;
627 wxLongLongWx& operator^=(const wxLongLongWx& ll);
628 wxLongLongWx operator~() const;
629
630 // comparison
631 bool operator==(const wxLongLongWx& ll) const
632 { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
633 #if wxUSE_LONGLONG_NATIVE
634 bool operator==(const wxLongLongNative& ll) const
635 { return m_lo == ll.GetLo() && m_hi == ll.GetHi(); }
636 #endif
637 bool operator!=(const wxLongLongWx& ll) const
638 { return !(*this == ll); }
639 bool operator<(const wxLongLongWx& ll) const;
640 bool operator>(const wxLongLongWx& ll) const;
641 bool operator<=(const wxLongLongWx& ll) const
642 { return *this < ll || *this == ll; }
643 bool operator>=(const wxLongLongWx& ll) const
644 { return *this > ll || *this == ll; }
645
646 bool operator<(long l) const { return *this < wxLongLongWx(l); }
647 bool operator>(long l) const { return *this > wxLongLongWx(l); }
648 bool operator==(long l) const
649 {
650 return l >= 0 ? (m_hi == 0 && m_lo == (unsigned long)l)
651 : (m_hi == -1 && m_lo == (unsigned long)l);
652 }
653
654 bool operator<=(long l) const { return *this < l || *this == l; }
655 bool operator>=(long l) const { return *this > l || *this == l; }
656
657 // multiplication
658 wxLongLongWx operator*(const wxLongLongWx& ll) const;
659 wxLongLongWx& operator*=(const wxLongLongWx& ll);
660
661 // division
662 wxLongLongWx operator/(const wxLongLongWx& ll) const;
663 wxLongLongWx& operator/=(const wxLongLongWx& ll);
664
665 wxLongLongWx operator%(const wxLongLongWx& ll) const;
666
667 void Divide(const wxLongLongWx& divisor,
668 wxLongLongWx& quotient,
669 wxLongLongWx& remainder) const;
670
671 // input/output
672
673 // return the string representation of this number
674 wxString ToString() const;
675
676 void *asArray() const;
677
678 #if wxUSE_STD_IOSTREAM
679 friend wxSTD ostream& operator<<(wxSTD ostream&, const wxLongLongWx&);
680 #endif // wxUSE_STD_IOSTREAM
681
682 private:
683 // long is at least 32 bits, so represent our 64bit number as 2 longs
684
685 long m_hi; // signed bit is in the high part
686 unsigned long m_lo;
687
688 #ifdef wxLONGLONG_TEST_MODE
689 void Check()
690 {
691 wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
692 }
693
694 wxLongLong_t m_ll;
695 #endif // wxLONGLONG_TEST_MODE
696 };
697
698
699 class WXDLLIMPEXP_BASE wxULongLongWx
700 {
701 public:
702 // ctors
703 // default ctor initializes to 0
704 wxULongLongWx()
705 {
706 m_lo = m_hi = 0;
707
708 #ifdef wxLONGLONG_TEST_MODE
709 m_ll = 0;
710
711 Check();
712 #endif // wxLONGLONG_TEST_MODE
713 }
714 // from ulong
715 wxULongLongWx(unsigned long l) { *this = l; }
716 // from 2 ulongs
717 wxULongLongWx(unsigned long hi, unsigned long lo)
718 {
719 m_hi = hi;
720 m_lo = lo;
721
722 #ifdef wxLONGLONG_TEST_MODE
723 m_ll = hi;
724 m_ll <<= 32;
725 m_ll |= lo;
726
727 Check();
728 #endif // wxLONGLONG_TEST_MODE
729 }
730
731 // from signed to unsigned
732 wxULongLongWx(wxLongLongWx ll)
733 {
734 wxASSERT(ll.GetHi() >= 0);
735 m_hi = (unsigned long)ll.GetHi();
736 m_lo = ll.GetLo();
737 }
738
739 // default copy ctor is ok in both cases
740
741 // no dtor
742
743 // assignment operators
744 // from long
745 wxULongLongWx& operator=(unsigned long l)
746 {
747 m_lo = l;
748 m_hi = 0;
749
750 #ifdef wxLONGLONG_TEST_MODE
751 m_ll = l;
752
753 Check();
754 #endif // wxLONGLONG_TEST_MODE
755
756 return *this;
757 }
758
759 // can't have assignment operator from 2 longs
760
761 // accessors
762 // get high part
763 unsigned long GetHi() const { return m_hi; }
764 // get low part
765 unsigned long GetLo() const { return m_lo; }
766
767 // convert to long with range checking in the debug mode (only!)
768 unsigned long ToULong() const
769 {
770 wxASSERT_MSG( m_hi == 0ul,
771 _T("wxULongLong to long conversion loss of precision") );
772
773 return (unsigned long)m_lo;
774 }
775
776 // operations
777 // addition
778 wxULongLongWx operator+(const wxULongLongWx& ll) const;
779 wxULongLongWx& operator+=(const wxULongLongWx& ll);
780 wxULongLongWx operator+(unsigned long l) const;
781 wxULongLongWx& operator+=(unsigned long l);
782
783 // pre increment operator
784 wxULongLongWx& operator++();
785
786 // post increment operator
787 wxULongLongWx& operator++(int) { return ++(*this); }
788
789 // substraction
790 wxLongLongWx operator-(const wxULongLongWx& ll) const;
791 wxULongLongWx& operator-=(const wxULongLongWx& ll);
792
793 // pre decrement operator
794 wxULongLongWx& operator--();
795
796 // post decrement operator
797 wxULongLongWx& operator--(int) { return --(*this); }
798
799 // shifts
800 // left shift
801 wxULongLongWx operator<<(int shift) const;
802 wxULongLongWx& operator<<=(int shift);
803
804 // right shift
805 wxULongLongWx operator>>(int shift) const;
806 wxULongLongWx& operator>>=(int shift);
807
808 // bitwise operators
809 wxULongLongWx operator&(const wxULongLongWx& ll) const;
810 wxULongLongWx& operator&=(const wxULongLongWx& ll);
811 wxULongLongWx operator|(const wxULongLongWx& ll) const;
812 wxULongLongWx& operator|=(const wxULongLongWx& ll);
813 wxULongLongWx operator^(const wxULongLongWx& ll) const;
814 wxULongLongWx& operator^=(const wxULongLongWx& ll);
815 wxULongLongWx operator~() const;
816
817 // comparison
818 bool operator==(const wxULongLongWx& ll) const
819 { return m_lo == ll.m_lo && m_hi == ll.m_hi; }
820 bool operator!=(const wxULongLongWx& ll) const
821 { return !(*this == ll); }
822 bool operator<(const wxULongLongWx& ll) const;
823 bool operator>(const wxULongLongWx& ll) const;
824 bool operator<=(const wxULongLongWx& ll) const
825 { return *this < ll || *this == ll; }
826 bool operator>=(const wxULongLongWx& ll) const
827 { return *this > ll || *this == ll; }
828
829 bool operator<(unsigned long l) const { return *this < wxULongLongWx(l); }
830 bool operator>(unsigned long l) const { return *this > wxULongLongWx(l); }
831 bool operator==(unsigned long l) const
832 {
833 return (m_hi == 0 && m_lo == (unsigned long)l);
834 }
835
836 bool operator<=(unsigned long l) const { return *this < l || *this == l; }
837 bool operator>=(unsigned long l) const { return *this > l || *this == l; }
838
839 // multiplication
840 wxULongLongWx operator*(const wxULongLongWx& ll) const;
841 wxULongLongWx& operator*=(const wxULongLongWx& ll);
842
843 // division
844 wxULongLongWx operator/(const wxULongLongWx& ll) const;
845 wxULongLongWx& operator/=(const wxULongLongWx& ll);
846
847 wxULongLongWx operator%(const wxULongLongWx& ll) const;
848
849 void Divide(const wxULongLongWx& divisor,
850 wxULongLongWx& quotient,
851 wxULongLongWx& remainder) const;
852
853 // input/output
854
855 // return the string representation of this number
856 wxString ToString() const;
857
858 void *asArray() const;
859
860 #if wxUSE_STD_IOSTREAM
861 friend wxSTD ostream& operator<<(wxSTD ostream&, const wxULongLongWx&);
862 #endif // wxUSE_STD_IOSTREAM
863
864 private:
865 // long is at least 32 bits, so represent our 64bit number as 2 longs
866
867 unsigned long m_hi;
868 unsigned long m_lo;
869
870 #ifdef wxLONGLONG_TEST_MODE
871 void Check()
872 {
873 wxASSERT( (m_ll >> 32) == m_hi && (unsigned long)m_ll == m_lo );
874 }
875
876 unsigned wxLongLong_t m_ll;
877 #endif // wxLONGLONG_TEST_MODE
878 };
879
880 #endif // wxUSE_LONGLONG_WX
881
882 // ----------------------------------------------------------------------------
883 // binary operators
884 // ----------------------------------------------------------------------------
885
886 inline bool operator<(long l, const wxLongLong& ll) { return ll > l; }
887 inline bool operator>(long l, const wxLongLong& ll) { return ll < l; }
888 inline bool operator<=(long l, const wxLongLong& ll) { return ll >= l; }
889 inline bool operator>=(long l, const wxLongLong& ll) { return ll <= l; }
890 inline bool operator==(long l, const wxLongLong& ll) { return ll == l; }
891 inline bool operator!=(long l, const wxLongLong& ll) { return ll != l; }
892
893 inline wxLongLong operator+(long l, const wxLongLong& ll) { return ll + l; }
894 inline wxLongLong operator-(long l, const wxLongLong& ll)
895 {
896 return wxLongLong(l) - ll;
897 }
898
899 inline bool operator<(unsigned long l, const wxULongLong& ull) { return ull > l; }
900 inline bool operator>(unsigned long l, const wxULongLong& ull) { return ull < l; }
901 inline bool operator<=(unsigned long l, const wxULongLong& ull) { return ull >= l; }
902 inline bool operator>=(unsigned long l, const wxULongLong& ull) { return ull <= l; }
903 inline bool operator==(unsigned long l, const wxULongLong& ull) { return ull == l; }
904 inline bool operator!=(unsigned long l, const wxULongLong& ull) { return ull != l; }
905
906 inline wxULongLong operator+(unsigned long l, const wxULongLong& ull) { return ull + l; }
907
908 inline wxLongLong operator-(unsigned long l, const wxULongLong& ull)
909 {
910 wxULongLong ret = wxULongLong(l) - ull;
911 return wxLongLong((long)ret.GetHi(),ret.GetLo());
912 }
913
914 #endif // _WX_LONGLONG_H
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