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3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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19
20/*****************************************************************************
21
22  sc_ufixed.h -
23
24  Original Author: Martin Janssen, Synopsys, Inc.
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
32
33      Name, Affiliation, Date:
34  Description of Modification:
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36 *****************************************************************************/
37
38// $Log: sc_ufixed.h,v $
39// Revision 1.2  2011/01/19 18:57:40  acg
40//  Andy Goodrich: changes for IEEE_1666_2011.
41//
42// Revision 1.1.1.1  2006/12/15 20:20:04  acg
43// SystemC 2.3
44//
45// Revision 1.3  2006/01/13 18:53:58  acg
46// Andy Goodrich: added $Log command so that CVS comments are reproduced in
47// the source.
48//
49
50#ifndef __SYSTEMC_EXT_DT_FX_SC_UFIXED_HH__
51#define __SYSTEMC_EXT_DT_FX_SC_UFIXED_HH__
52
53#include "sc_ufix.hh"
54
55namespace sc_dt
56{
57
58// classes defined in this module
59template <int W, int I, sc_q_mode Q, sc_o_mode O, int N>
60class sc_ufixed;
61template <int W, int I, sc_q_mode Q, sc_o_mode O, int N>
62class sc_ufixed_fast;
63
64
65// ----------------------------------------------------------------------------
66//  TEMPLATE CLASS : sc_ufixed
67//
68//  "Constrained" unsigned fixed-point class; arbitrary precision.
69// ----------------------------------------------------------------------------
70
71template <int W, int I,
72          sc_q_mode Q=SC_DEFAULT_Q_MODE_,
73          sc_o_mode O=SC_DEFAULT_O_MODE_, int N=SC_DEFAULT_N_BITS_>
74class sc_ufixed : public sc_ufix
75{
76  public:
77    // constructors
78    explicit sc_ufixed(sc_fxnum_observer * =0);
79    explicit sc_ufixed(const sc_fxcast_switch &, sc_fxnum_observer * =0);
80
81#define DECL_CTORS_T_A(tp) \
82    sc_ufixed(tp, sc_fxnum_observer * =0); \
83    sc_ufixed(tp, const sc_fxcast_switch &, sc_fxnum_observer * =0);
84
85#define DECL_CTORS_T_B(tp) \
86    explicit sc_ufixed(tp, sc_fxnum_observer * =0); \
87    sc_ufixed(tp, const sc_fxcast_switch &, sc_fxnum_observer * =0);
88
89    DECL_CTORS_T_A(int)
90    DECL_CTORS_T_A(unsigned int)
91    DECL_CTORS_T_A(long)
92    DECL_CTORS_T_A(unsigned long)
93    DECL_CTORS_T_A(float)
94    DECL_CTORS_T_A(double)
95    DECL_CTORS_T_A(const char *)
96    DECL_CTORS_T_A(const sc_fxval &)
97    DECL_CTORS_T_A(const sc_fxval_fast &)
98    DECL_CTORS_T_A(const sc_fxnum &)
99    DECL_CTORS_T_A(const sc_fxnum_fast &)
100
101    DECL_CTORS_T_B(int64)
102    DECL_CTORS_T_B(uint64)
103    DECL_CTORS_T_B(const sc_int_base &)
104    DECL_CTORS_T_B(const sc_uint_base &)
105    DECL_CTORS_T_B(const sc_signed &)
106    DECL_CTORS_T_B(const sc_unsigned &)
107
108#undef DECL_CTORS_T_A
109#undef DECL_CTORS_T_B
110    // copy constructor
111    sc_ufixed(const sc_ufixed<W, I, Q, O, N> &);
112
113    // assignment operators
114    sc_ufixed &operator = (const sc_ufixed<W, I, Q, O, N> &);
115
116#define DECL_ASN_OP_T(op,tp) sc_ufixed &operator op (tp);
117
118#define DECL_ASN_OP_OTHER(op) \
119    DECL_ASN_OP_T(op, int64) \
120    DECL_ASN_OP_T(op, uint64) \
121    DECL_ASN_OP_T(op, const sc_int_base &) \
122    DECL_ASN_OP_T(op, const sc_uint_base &) \
123    DECL_ASN_OP_T(op, const sc_signed &) \
124    DECL_ASN_OP_T(op, const sc_unsigned &)
125
126#define DECL_ASN_OP(op) \
127    DECL_ASN_OP_T(op, int) \
128    DECL_ASN_OP_T(op, unsigned int) \
129    DECL_ASN_OP_T(op, long) \
130    DECL_ASN_OP_T(op, unsigned long) \
131    DECL_ASN_OP_T(op, float) \
132    DECL_ASN_OP_T(op, double) \
133    DECL_ASN_OP_T(op, const char *) \
134    DECL_ASN_OP_T(op, const sc_fxval &) \
135    DECL_ASN_OP_T(op, const sc_fxval_fast &) \
136    DECL_ASN_OP_T(op, const sc_fxnum &) \
137    DECL_ASN_OP_T(op, const sc_fxnum_fast &) \
138    DECL_ASN_OP_OTHER(op)
139
140    DECL_ASN_OP(=)
141
142    DECL_ASN_OP(*=)
143    DECL_ASN_OP(/=)
144    DECL_ASN_OP(+=)
145    DECL_ASN_OP(-=)
146
147    DECL_ASN_OP_T(<<=, int)
148    DECL_ASN_OP_T(>>=, int)
149
150    DECL_ASN_OP_T(&=, const sc_ufix &)
151    DECL_ASN_OP_T(&=, const sc_ufix_fast &)
152    DECL_ASN_OP_T(|=, const sc_ufix &)
153    DECL_ASN_OP_T(|=, const sc_ufix_fast &)
154    DECL_ASN_OP_T(^=, const sc_ufix &)
155    DECL_ASN_OP_T(^=, const sc_ufix_fast &)
156
157#undef DECL_ASN_OP_T
158#undef DECL_ASN_OP_OTHER
159#undef DECL_ASN_OP
160
161    // auto-increment and auto-decrement
162    const sc_fxval operator ++ (int);
163    const sc_fxval operator -- (int);
164
165    sc_ufixed &operator ++ ();
166    sc_ufixed &operator -- ();
167};
168
169
170// ----------------------------------------------------------------------------
171//  TEMPLATE CLASS : sc_ufixed_fast
172//
173//  "Constrained" unsigned fixed-point class; limited precision.
174// ----------------------------------------------------------------------------
175
176template <int W, int I,
177          sc_q_mode Q=SC_DEFAULT_Q_MODE_,
178          sc_o_mode O=SC_DEFAULT_O_MODE_, int N=SC_DEFAULT_N_BITS_>
179class sc_ufixed_fast : public sc_ufix_fast
180{
181  public:
182    // constructors
183    explicit sc_ufixed_fast(sc_fxnum_fast_observer * =0);
184    explicit sc_ufixed_fast(const sc_fxcast_switch &,
185                             sc_fxnum_fast_observer * =0);
186
187#define DECL_CTORS_T_A(tp) \
188    sc_ufixed_fast(tp, sc_fxnum_fast_observer * =0); \
189    sc_ufixed_fast(tp, const sc_fxcast_switch &, sc_fxnum_fast_observer * =0);
190
191#define DECL_CTORS_T_B(tp) \
192    explicit sc_ufixed_fast(tp, sc_fxnum_fast_observer * =0); \
193    sc_ufixed_fast(tp, const sc_fxcast_switch &, sc_fxnum_fast_observer * =0);
194
195    DECL_CTORS_T_A(int)
196    DECL_CTORS_T_A(unsigned int)
197    DECL_CTORS_T_A(long)
198    DECL_CTORS_T_A(unsigned long)
199    DECL_CTORS_T_A(float)
200    DECL_CTORS_T_A(double)
201    DECL_CTORS_T_A(const char *)
202    DECL_CTORS_T_A(const sc_fxval &)
203    DECL_CTORS_T_A(const sc_fxval_fast &)
204    DECL_CTORS_T_A(const sc_fxnum &)
205    DECL_CTORS_T_A(const sc_fxnum_fast &)
206
207    DECL_CTORS_T_B(int64)
208    DECL_CTORS_T_B(uint64)
209    DECL_CTORS_T_B(const sc_int_base &)
210    DECL_CTORS_T_B(const sc_uint_base &)
211    DECL_CTORS_T_B(const sc_signed &)
212    DECL_CTORS_T_B(const sc_unsigned &)
213
214#undef DECL_CTORS_T_A
215#undef DECL_CTORS_T_B
216    // copy constructor
217    sc_ufixed_fast(const sc_ufixed_fast<W, I, Q, O, N> &);
218
219    // assignment operators
220    sc_ufixed_fast &operator = (const sc_ufixed_fast<W, I, Q, O, N> &);
221
222#define DECL_ASN_OP_T(op,tp) sc_ufixed_fast &operator op (tp);
223
224#define DECL_ASN_OP_OTHER(op) \
225    DECL_ASN_OP_T(op, int64) \
226    DECL_ASN_OP_T(op, uint64) \
227    DECL_ASN_OP_T(op, const sc_int_base &) \
228    DECL_ASN_OP_T(op, const sc_uint_base &) \
229    DECL_ASN_OP_T(op, const sc_signed &) \
230    DECL_ASN_OP_T(op, const sc_unsigned &)
231
232#define DECL_ASN_OP(op) \
233    DECL_ASN_OP_T(op, int) \
234    DECL_ASN_OP_T(op, unsigned int) \
235    DECL_ASN_OP_T(op, long) \
236    DECL_ASN_OP_T(op, unsigned long) \
237    DECL_ASN_OP_T(op, float) \
238    DECL_ASN_OP_T(op, double) \
239    DECL_ASN_OP_T(op, const char *) \
240    DECL_ASN_OP_T(op, const sc_fxval &) \
241    DECL_ASN_OP_T(op, const sc_fxval_fast &) \
242    DECL_ASN_OP_T(op, const sc_fxnum &) \
243    DECL_ASN_OP_T(op, const sc_fxnum_fast &) \
244    DECL_ASN_OP_OTHER(op)
245
246    DECL_ASN_OP(=)
247
248    DECL_ASN_OP(*=)
249    DECL_ASN_OP(/=)
250    DECL_ASN_OP(+=)
251    DECL_ASN_OP(-=)
252
253    DECL_ASN_OP_T(<<=, int)
254    DECL_ASN_OP_T(>>=, int)
255
256    DECL_ASN_OP_T(&=, const sc_ufix &)
257    DECL_ASN_OP_T(&=, const sc_ufix_fast &)
258    DECL_ASN_OP_T(|=, const sc_ufix &)
259    DECL_ASN_OP_T(|=, const sc_ufix_fast &)
260    DECL_ASN_OP_T(^=, const sc_ufix &)
261    DECL_ASN_OP_T(^=, const sc_ufix_fast &)
262
263#undef DECL_ASN_OP_T
264#undef DECL_ASN_OP_OTHER
265#undef DECL_ASN_OP
266
267    // auto-increment and auto-decrement
268    const sc_fxval_fast operator ++ (int);
269    const sc_fxval_fast operator -- (int);
270
271    sc_ufixed_fast& operator ++ ();
272    sc_ufixed_fast& operator -- ();
273};
274
275
276// IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
277
278// ----------------------------------------------------------------------------
279//  TEMPLATE CLASS : sc_ufixed
280//
281//  "Constrained" unsigned fixed-point class; arbitrary precision.
282// ----------------------------------------------------------------------------
283
284template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
285inline sc_ufixed<W, I, Q, O, N>::sc_ufixed(sc_fxnum_observer *observer_) :
286        sc_ufix(W, I, Q, O, N, observer_)
287{}
288
289template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
290inline sc_ufixed<W, I, Q, O, N>::sc_ufixed(const sc_fxcast_switch &cast_sw,
291                                           sc_fxnum_observer *observer_) :
292        sc_ufix(W, I, Q, O, N, cast_sw, observer_)
293{}
294
295#define DEFN_CTORS_T(tp) \
296template<int W, int I, sc_q_mode Q, sc_o_mode O, int N> \
297inline sc_ufixed<W, I, Q, O, N>::sc_ufixed( \
298        tp a, sc_fxnum_observer *observer_) :\
299    sc_ufix(a, W, I, Q, O, N, observer_) \
300{} \
301 \
302template<int W, int I, sc_q_mode Q, sc_o_mode O, int N> \
303inline sc_ufixed<W, I, Q, O, N>::sc_ufixed( \
304        tp a, const sc_fxcast_switch &cast_sw, \
305        sc_fxnum_observer *observer_) : \
306    sc_ufix(a, W, I, Q, O, N, cast_sw, observer_) \
307{}
308
309DEFN_CTORS_T(int)
310DEFN_CTORS_T(unsigned int)
311DEFN_CTORS_T(long)
312DEFN_CTORS_T(unsigned long)
313DEFN_CTORS_T(float)
314DEFN_CTORS_T(double)
315DEFN_CTORS_T(const char *)
316DEFN_CTORS_T(const sc_fxval &)
317DEFN_CTORS_T(const sc_fxval_fast &)
318DEFN_CTORS_T(const sc_fxnum &)
319DEFN_CTORS_T(const sc_fxnum_fast &)
320
321DEFN_CTORS_T(int64)
322DEFN_CTORS_T(uint64)
323DEFN_CTORS_T(const sc_int_base &)
324DEFN_CTORS_T(const sc_uint_base &)
325DEFN_CTORS_T(const sc_signed &)
326DEFN_CTORS_T(const sc_unsigned &)
327
328#undef DEFN_CTORS_T
329
330// copy constructor
331template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
332inline sc_ufixed<W, I, Q, O, N>::sc_ufixed(const sc_ufixed<W, I, Q, O, N> &a) :
333        sc_ufix(a, W, I, Q, O, N)
334{}
335
336// assignment operators
337template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
338inline sc_ufixed<W, I, Q, O, N> &
339sc_ufixed<W, I, Q, O, N>::operator = (const sc_ufixed<W, I, Q, O, N> &a)
340{
341    sc_ufix::operator = (a);
342    return *this;
343}
344
345#define DEFN_ASN_OP_T(op,tp) \
346template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>                       \
347inline sc_ufixed<W, I, Q, O, N> & \
348sc_ufixed<W, I, Q, O, N>::operator op (tp a) \
349{ \
350    sc_ufix::operator op (a); \
351    return *this; \
352}
353
354#define DEFN_ASN_OP_OTHER(op) \
355DEFN_ASN_OP_T(op, int64) \
356DEFN_ASN_OP_T(op, uint64) \
357DEFN_ASN_OP_T(op, const sc_int_base &) \
358DEFN_ASN_OP_T(op, const sc_uint_base &) \
359DEFN_ASN_OP_T(op, const sc_signed &) \
360DEFN_ASN_OP_T(op, const sc_unsigned &)
361
362#define DEFN_ASN_OP(op) \
363DEFN_ASN_OP_T(op, int) \
364DEFN_ASN_OP_T(op, unsigned int) \
365DEFN_ASN_OP_T(op, long) \
366DEFN_ASN_OP_T(op, unsigned long) \
367DEFN_ASN_OP_T(op, float) \
368DEFN_ASN_OP_T(op, double) \
369DEFN_ASN_OP_T(op, const char *) \
370DEFN_ASN_OP_T(op, const sc_fxval &) \
371DEFN_ASN_OP_T(op, const sc_fxval_fast &) \
372DEFN_ASN_OP_T(op, const sc_fxnum &) \
373DEFN_ASN_OP_T(op, const sc_fxnum_fast &) \
374DEFN_ASN_OP_OTHER(op)
375
376DEFN_ASN_OP(=)
377
378DEFN_ASN_OP(*=)
379DEFN_ASN_OP(/=)
380DEFN_ASN_OP(+=)
381DEFN_ASN_OP(-=)
382
383DEFN_ASN_OP_T(<<=, int)
384DEFN_ASN_OP_T(>>=, int)
385
386DEFN_ASN_OP_T(&=, const sc_ufix &)
387DEFN_ASN_OP_T(&=, const sc_ufix_fast &)
388DEFN_ASN_OP_T(|=, const sc_ufix &)
389DEFN_ASN_OP_T(|=, const sc_ufix_fast &)
390DEFN_ASN_OP_T(^=, const sc_ufix &)
391DEFN_ASN_OP_T(^=, const sc_ufix_fast &)
392
393#undef DEFN_ASN_OP_T
394#undef DEFN_ASN_OP_OTHER
395#undef DEFN_ASN_OP
396
397// auto-increment and auto-decrement
398template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
399inline const sc_fxval
400sc_ufixed<W, I, Q, O, N>::operator ++ (int)
401{
402    return sc_fxval(sc_ufix::operator ++ (0));
403}
404
405template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
406inline const sc_fxval
407sc_ufixed<W, I, Q, O, N>::operator -- (int)
408{
409    return sc_fxval(sc_ufix::operator -- (0));
410}
411
412template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
413inline sc_ufixed<W, I, Q, O, N> &
414sc_ufixed<W, I, Q, O, N>::operator ++ ()
415{
416    sc_ufix::operator ++ ();
417    return *this;
418}
419
420template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
421inline sc_ufixed<W, I, Q, O, N> &
422sc_ufixed<W, I, Q, O, N>::operator -- ()
423{
424    sc_ufix::operator -- ();
425    return *this;
426}
427
428
429// ----------------------------------------------------------------------------
430//  TEMPLATE CLASS : sc_ufixed_fast
431//
432//  "Constrained" unsigned fixed-point class; limited precision.
433// ----------------------------------------------------------------------------
434
435template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
436inline sc_ufixed_fast<W, I, Q, O, N>::sc_ufixed_fast(
437        sc_fxnum_fast_observer *observer_) :
438    sc_ufix_fast(W, I, Q, O, N, observer_)
439{}
440
441template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
442inline sc_ufixed_fast<W, I, Q, O, N>::sc_ufixed_fast(
443        const sc_fxcast_switch &cast_sw,
444        sc_fxnum_fast_observer *observer_) :
445    sc_ufix_fast(W, I, Q, O, N, cast_sw, observer_)
446{}
447
448#define DEFN_CTORS_T(tp) \
449template<int W, int I, sc_q_mode Q, sc_o_mode O, int N> \
450inline sc_ufixed_fast<W, I, Q, O, N>::sc_ufixed_fast( \
451        tp a, sc_fxnum_fast_observer *observer_ ) : \
452    sc_ufix_fast(a, W, I, Q, O, N, observer_) \
453{} \
454 \
455template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>                       \
456inline sc_ufixed_fast<W, I, Q, O, N>::sc_ufixed_fast( \
457        tp a, const sc_fxcast_switch &cast_sw, \
458        sc_fxnum_fast_observer *observer_) : \
459    sc_ufix_fast(a, W, I, Q, O, N, cast_sw, observer_) \
460{}
461
462DEFN_CTORS_T(int)
463DEFN_CTORS_T(unsigned int)
464DEFN_CTORS_T(long)
465DEFN_CTORS_T(unsigned long)
466DEFN_CTORS_T(float)
467DEFN_CTORS_T(double)
468DEFN_CTORS_T(const char *)
469DEFN_CTORS_T(const sc_fxval &)
470DEFN_CTORS_T(const sc_fxval_fast &)
471DEFN_CTORS_T(const sc_fxnum &)
472DEFN_CTORS_T(const sc_fxnum_fast &)
473
474DEFN_CTORS_T(int64)
475DEFN_CTORS_T(uint64)
476DEFN_CTORS_T(const sc_int_base &)
477DEFN_CTORS_T(const sc_uint_base &)
478DEFN_CTORS_T(const sc_signed &)
479DEFN_CTORS_T(const sc_unsigned &)
480
481#undef DEFN_CTORS_T
482
483// copy constructor
484template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
485inline sc_ufixed_fast<W, I, Q, O, N>::sc_ufixed_fast(
486        const sc_ufixed_fast<W, I, Q, O, N> &a) :
487    sc_ufix_fast(a, W, I, Q, O, N)
488{}
489
490// assignment operators
491template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
492inline sc_ufixed_fast<W, I, Q, O, N> &
493sc_ufixed_fast<W, I, Q, O, N>::operator = (
494        const sc_ufixed_fast<W, I, Q, O, N> &a)
495{
496    sc_ufix_fast::operator = (a);
497    return *this;
498}
499
500#define DEFN_ASN_OP_T(op, tp) \
501template<int W, int I, sc_q_mode Q, sc_o_mode O, int N> \
502inline sc_ufixed_fast<W, I, Q, O, N> & \
503sc_ufixed_fast<W, I, Q, O, N>::operator op (tp a) \
504{ \
505    sc_ufix_fast::operator op (a); \
506    return *this; \
507}
508
509#define DEFN_ASN_OP_OTHER(op) \
510DEFN_ASN_OP_T(op, int64) \
511DEFN_ASN_OP_T(op, uint64) \
512DEFN_ASN_OP_T(op, const sc_int_base &) \
513DEFN_ASN_OP_T(op, const sc_uint_base &) \
514DEFN_ASN_OP_T(op, const sc_signed &) \
515DEFN_ASN_OP_T(op, const sc_unsigned &)
516
517#define DEFN_ASN_OP(op) \
518DEFN_ASN_OP_T(op, int) \
519DEFN_ASN_OP_T(op, unsigned int) \
520DEFN_ASN_OP_T(op, long) \
521DEFN_ASN_OP_T(op, unsigned long) \
522DEFN_ASN_OP_T(op, float) \
523DEFN_ASN_OP_T(op, double) \
524DEFN_ASN_OP_T(op, const char *) \
525DEFN_ASN_OP_T(op, const sc_fxval &) \
526DEFN_ASN_OP_T(op, const sc_fxval_fast &) \
527DEFN_ASN_OP_T(op, const sc_fxnum &) \
528DEFN_ASN_OP_T(op, const sc_fxnum_fast &) \
529DEFN_ASN_OP_OTHER(op)
530
531DEFN_ASN_OP(=)
532
533DEFN_ASN_OP(*=)
534DEFN_ASN_OP(/=)
535DEFN_ASN_OP(+=)
536DEFN_ASN_OP(-=)
537
538DEFN_ASN_OP_T(<<=, int)
539DEFN_ASN_OP_T(>>=, int)
540
541DEFN_ASN_OP_T(&=, const sc_ufix &)
542DEFN_ASN_OP_T(&=, const sc_ufix_fast &)
543DEFN_ASN_OP_T(|=, const sc_ufix &)
544DEFN_ASN_OP_T(|=, const sc_ufix_fast &)
545DEFN_ASN_OP_T(^=, const sc_ufix &)
546DEFN_ASN_OP_T(^=, const sc_ufix_fast &)
547
548#undef DEFN_ASN_OP_T
549#undef DEFN_ASN_OP_OTHER
550#undef DEFN_ASN_OP
551
552// auto-increment and auto-decrement
553template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
554inline const sc_fxval_fast
555sc_ufixed_fast<W, I, Q, O, N>::operator ++ (int)
556{
557    return sc_fxval_fast( sc_ufix_fast::operator ++ (0));
558}
559
560template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
561inline const sc_fxval_fast
562sc_ufixed_fast<W, I, Q, O, N>::operator -- (int)
563{
564    return sc_fxval_fast( sc_ufix_fast::operator -- (0));
565}
566
567template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
568inline sc_ufixed_fast<W, I, Q, O, N> &
569sc_ufixed_fast<W, I, Q, O, N>::operator ++ ()
570{
571    sc_ufix_fast::operator ++ ();
572    return *this;
573}
574
575template<int W, int I, sc_q_mode Q, sc_o_mode O, int N>
576inline sc_ufixed_fast<W, I, Q, O, N> &
577sc_ufixed_fast<W,I,Q,O,N>::operator -- ()
578{
579    sc_ufix_fast::operator -- ();
580    return *this;
581}
582
583} // namespace sc_dt
584
585#endif // __SYSTEMC_EXT_DT_FX_SC_UFIXED_HH__
586