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sc_fix.hh
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21 
22  sc_fix.h -
23 
24  Original Author: Martin Janssen, Synopsys, Inc.
25 
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29 
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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37 
38 // $Log: sc_fix.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 18:53:57 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_FIX_HH__
51 #define __SYSTEMC_EXT_DT_FX_SC_FIX_HH__
52 
53 #include "sc_fxnum.hh"
54 
55 namespace sc_dt
56 {
57 
58 // classes defined in this module
59 class sc_fix;
60 class sc_fix_fast;
61 
62 
63 // ----------------------------------------------------------------------------
64 // CLASS : sc_fix
65 //
66 // "Unconstrained" signed fixed-point class; arbitrary precision.
67 // ----------------------------------------------------------------------------
68 
69 class sc_fix : public sc_fxnum
70 {
71  public:
72  // constructors
73  explicit sc_fix(sc_fxnum_observer * =0);
74  sc_fix(int, int, sc_fxnum_observer * =0);
75  sc_fix(sc_q_mode, sc_o_mode, sc_fxnum_observer * =0);
76  sc_fix(sc_q_mode, sc_o_mode, int, sc_fxnum_observer * =0);
77  sc_fix(int, int, sc_q_mode, sc_o_mode, sc_fxnum_observer * =0);
78  sc_fix(int, int, sc_q_mode, sc_o_mode, int, sc_fxnum_observer * =0);
79  explicit sc_fix(const sc_fxcast_switch &, sc_fxnum_observer * =0);
80  sc_fix(int, int, const sc_fxcast_switch &, sc_fxnum_observer * =0);
81  sc_fix(sc_q_mode, sc_o_mode, const sc_fxcast_switch &,
82  sc_fxnum_observer * =0);
83  sc_fix(sc_q_mode, sc_o_mode, int, const sc_fxcast_switch &,
84  sc_fxnum_observer * =0);
85  sc_fix(int, int, sc_q_mode, sc_o_mode, const sc_fxcast_switch &,
86  sc_fxnum_observer * =0);
87  sc_fix(int, int, sc_q_mode, sc_o_mode, int, const sc_fxcast_switch &,
88  sc_fxnum_observer * =0);
89  explicit sc_fix(const sc_fxtype_params &, sc_fxnum_observer * =0);
90  sc_fix(const sc_fxtype_params &, const sc_fxcast_switch &,
91  sc_fxnum_observer * =0);
92 
93 #define DECL_CTORS_T(tp) \
94  sc_fix(tp, int, int, sc_fxnum_observer * =0); \
95  sc_fix(tp, sc_q_mode, sc_o_mode, sc_fxnum_observer * =0); \
96  sc_fix(tp, sc_q_mode, sc_o_mode, int, sc_fxnum_observer * =0); \
97  sc_fix(tp, int, int, sc_q_mode, sc_o_mode, sc_fxnum_observer * =0); \
98  sc_fix(tp, int, int, sc_q_mode, sc_o_mode, int, sc_fxnum_observer * =0); \
99  sc_fix(tp, const sc_fxcast_switch &, sc_fxnum_observer * =0); \
100  sc_fix(tp, int, int, const sc_fxcast_switch &, sc_fxnum_observer * =0); \
101  sc_fix(tp, sc_q_mode, sc_o_mode, const sc_fxcast_switch &, \
102  sc_fxnum_observer * =0); \
103  sc_fix(tp, sc_q_mode, sc_o_mode, int, const sc_fxcast_switch &, \
104  sc_fxnum_observer * =0); \
105  sc_fix(tp, int, int, sc_q_mode, sc_o_mode, const sc_fxcast_switch &, \
106  sc_fxnum_observer * =0); \
107  sc_fix(tp, int, int, sc_q_mode, sc_o_mode, int, \
108  const sc_fxcast_switch &, sc_fxnum_observer * =0); \
109  sc_fix(tp, const sc_fxtype_params &, sc_fxnum_observer * =0); \
110  sc_fix(tp, const sc_fxtype_params &, const sc_fxcast_switch &, \
111  sc_fxnum_observer * =0);
112 
113 #define DECL_CTORS_T_A(tp) \
114  sc_fix(tp, sc_fxnum_observer * =0); \
115  DECL_CTORS_T(tp)
116 
117 #define DECL_CTORS_T_B(tp) \
118  explicit sc_fix(tp, sc_fxnum_observer * =0); \
119  DECL_CTORS_T(tp)
120 
121  DECL_CTORS_T_A(int)
122  DECL_CTORS_T_A(unsigned int)
123  DECL_CTORS_T_A(long)
124  DECL_CTORS_T_A(unsigned long)
125  DECL_CTORS_T_A(float)
126  DECL_CTORS_T_A(double)
127  DECL_CTORS_T_A(const char *)
128  DECL_CTORS_T_A(const sc_fxval &)
129  DECL_CTORS_T_A(const sc_fxval_fast &)
130  DECL_CTORS_T_A(const sc_fxnum &)
131  DECL_CTORS_T_A(const sc_fxnum_fast &)
132 
133  DECL_CTORS_T_B(int64)
134  DECL_CTORS_T_B(uint64)
135  DECL_CTORS_T_B(const sc_int_base &)
136  DECL_CTORS_T_B(const sc_uint_base &)
137  DECL_CTORS_T_B(const sc_signed &)
138  DECL_CTORS_T_B(const sc_unsigned &)
139 
140 #undef DECL_CTORS_T
141 #undef DECL_CTORS_T_A
142 #undef DECL_CTORS_T_B
143 
144  // copy constructor
145  sc_fix(const sc_fix &);
146 
147  // unary bitwise operators
148  const sc_fix operator ~ () const;
149 
150  // unary bitwise functions
151  friend void b_not(sc_fix &, const sc_fix &);
152 
153  // binary bitwise operators
154  friend const sc_fix operator & (const sc_fix &, const sc_fix &);
155  friend const sc_fix operator & (const sc_fix &, const sc_fix_fast &);
156  friend const sc_fix operator & (const sc_fix_fast &, const sc_fix &);
157  friend const sc_fix operator | (const sc_fix &, const sc_fix &);
158  friend const sc_fix operator | (const sc_fix &, const sc_fix_fast &);
159  friend const sc_fix operator | (const sc_fix_fast &, const sc_fix &);
160  friend const sc_fix operator ^ (const sc_fix &, const sc_fix &);
161  friend const sc_fix operator ^ (const sc_fix &, const sc_fix_fast &);
162  friend const sc_fix operator ^ (const sc_fix_fast&, const sc_fix &);
163 
164  // binary bitwise functions
165  friend void b_and(sc_fix &, const sc_fix &, const sc_fix &);
166  friend void b_and(sc_fix &, const sc_fix &, const sc_fix_fast &);
167  friend void b_and(sc_fix &, const sc_fix_fast &, const sc_fix &);
168  friend void b_or(sc_fix &, const sc_fix &, const sc_fix &);
169  friend void b_or(sc_fix &, const sc_fix &, const sc_fix_fast &);
170  friend void b_or(sc_fix &, const sc_fix_fast &, const sc_fix &);
171  friend void b_xor(sc_fix &, const sc_fix &, const sc_fix &);
172  friend void b_xor(sc_fix &, const sc_fix &, const sc_fix_fast &);
173  friend void b_xor(sc_fix &, const sc_fix_fast &, const sc_fix &);
174 
175  // assignment operators
176  sc_fix &operator = (const sc_fix &);
177 
178 #define DECL_ASN_OP_T(op, tp) sc_fix &operator op (tp);
179 
180 #define DECL_ASN_OP_OTHER(op) \
181  DECL_ASN_OP_T(op, int64) \
182  DECL_ASN_OP_T(op, uint64) \
183  DECL_ASN_OP_T(op, const sc_int_base &) \
184  DECL_ASN_OP_T(op, const sc_uint_base &) \
185  DECL_ASN_OP_T(op, const sc_signed &) \
186  DECL_ASN_OP_T(op, const sc_unsigned &)
187 
188 #define DECL_ASN_OP(op) \
189  DECL_ASN_OP_T(op, int) \
190  DECL_ASN_OP_T(op, unsigned int) \
191  DECL_ASN_OP_T(op, long) \
192  DECL_ASN_OP_T(op, unsigned long) \
193  DECL_ASN_OP_T(op, float) \
194  DECL_ASN_OP_T(op, double) \
195  DECL_ASN_OP_T(op, const char *) \
196  DECL_ASN_OP_T(op, const sc_fxval &) \
197  DECL_ASN_OP_T(op, const sc_fxval_fast &) \
198  DECL_ASN_OP_T(op, const sc_fxnum &) \
199  DECL_ASN_OP_T(op, const sc_fxnum_fast &) \
200  DECL_ASN_OP_OTHER(op)
201 
202  DECL_ASN_OP(=)
203 
204  DECL_ASN_OP(*=)
205  DECL_ASN_OP(/=)
206  DECL_ASN_OP(+=)
207  DECL_ASN_OP(-=)
208 
209  DECL_ASN_OP_T(<<=, int)
210  DECL_ASN_OP_T(>>=, int)
211 
212  DECL_ASN_OP_T(&=, const sc_fix &)
213  DECL_ASN_OP_T(&=, const sc_fix_fast &)
214  DECL_ASN_OP_T(|=, const sc_fix &)
215  DECL_ASN_OP_T(|=, const sc_fix_fast &)
216  DECL_ASN_OP_T(^=, const sc_fix &)
217  DECL_ASN_OP_T(^=, const sc_fix_fast &)
218 
219 #undef DECL_ASN_OP_T
220 #undef DECL_ASN_OP_OTHER
221 #undef DECL_ASN_OP
222 
223  // auto-increment and auto-decrement
224  const sc_fxval operator ++ (int);
225  const sc_fxval operator -- (int);
226 
227  sc_fix& operator ++ ();
228  sc_fix& operator -- ();
229 };
230 
231 
232 // ----------------------------------------------------------------------------
233 // CLASS : sc_fix_fast
234 //
235 // "Unconstrained" signed fixed-point class; limited precision.
236 // ----------------------------------------------------------------------------
237 
238 class sc_fix_fast : public sc_fxnum_fast
239 {
240  public:
241  // constructors
242  explicit sc_fix_fast(sc_fxnum_fast_observer * =0);
243  sc_fix_fast(int, int, sc_fxnum_fast_observer * =0);
244  sc_fix_fast(sc_q_mode, sc_o_mode, sc_fxnum_fast_observer * =0);
245  sc_fix_fast(sc_q_mode, sc_o_mode, int, sc_fxnum_fast_observer * =0);
246  sc_fix_fast(int, int, sc_q_mode, sc_o_mode, sc_fxnum_fast_observer * =0);
247  sc_fix_fast(int, int, sc_q_mode, sc_o_mode, int,
248  sc_fxnum_fast_observer * =0);
249  explicit sc_fix_fast(const sc_fxcast_switch &,
250  sc_fxnum_fast_observer * =0);
251  sc_fix_fast(int, int, const sc_fxcast_switch &,
252  sc_fxnum_fast_observer * =0);
253  sc_fix_fast(sc_q_mode, sc_o_mode, const sc_fxcast_switch &,
254  sc_fxnum_fast_observer * =0);
255  sc_fix_fast(sc_q_mode, sc_o_mode, int, const sc_fxcast_switch &,
256  sc_fxnum_fast_observer * =0);
257  sc_fix_fast(int, int, sc_q_mode, sc_o_mode, const sc_fxcast_switch &,
258  sc_fxnum_fast_observer * =0);
259  sc_fix_fast(int, int, sc_q_mode, sc_o_mode, int, const sc_fxcast_switch &,
260  sc_fxnum_fast_observer * =0);
261  explicit sc_fix_fast(const sc_fxtype_params &,
262  sc_fxnum_fast_observer * =0);
263  sc_fix_fast(const sc_fxtype_params &, const sc_fxcast_switch &,
264  sc_fxnum_fast_observer * =0);
265 
266 #define DECL_CTORS_T(tp) \
267  sc_fix_fast(tp, int, int, sc_fxnum_fast_observer * = 0); \
268  sc_fix_fast(tp, sc_q_mode, sc_o_mode, sc_fxnum_fast_observer * = 0); \
269  sc_fix_fast(tp, sc_q_mode, sc_o_mode, int, sc_fxnum_fast_observer * = 0); \
270  sc_fix_fast(tp, int, int, sc_q_mode, sc_o_mode, \
271  sc_fxnum_fast_observer * = 0); \
272  sc_fix_fast(tp, int, int, sc_q_mode, sc_o_mode, int, \
273  sc_fxnum_fast_observer * = 0); \
274  sc_fix_fast(tp, const sc_fxcast_switch &, sc_fxnum_fast_observer * = 0); \
275  sc_fix_fast(tp, int, int, const sc_fxcast_switch &, \
276  sc_fxnum_fast_observer * = 0); \
277  sc_fix_fast(tp, sc_q_mode, sc_o_mode, const sc_fxcast_switch &, \
278  sc_fxnum_fast_observer * = 0); \
279  sc_fix_fast(tp, sc_q_mode, sc_o_mode, int, const sc_fxcast_switch &, \
280  sc_fxnum_fast_observer * = 0); \
281  sc_fix_fast(tp, int, int, sc_q_mode, sc_o_mode, const sc_fxcast_switch &, \
282  sc_fxnum_fast_observer * = 0); \
283  sc_fix_fast(tp, int, int, sc_q_mode, sc_o_mode, int, \
284  const sc_fxcast_switch &, sc_fxnum_fast_observer * = 0); \
285  sc_fix_fast(tp, const sc_fxtype_params &, sc_fxnum_fast_observer * = 0); \
286  sc_fix_fast(tp, const sc_fxtype_params &, const sc_fxcast_switch &, \
287  sc_fxnum_fast_observer * = 0);
288 
289 #define DECL_CTORS_T_A(tp) \
290  sc_fix_fast(tp, sc_fxnum_fast_observer * =0); \
291  DECL_CTORS_T(tp)
292 
293 #define DECL_CTORS_T_B(tp) \
294  explicit sc_fix_fast(tp, sc_fxnum_fast_observer * =0); \
295  DECL_CTORS_T(tp)
296 
297  DECL_CTORS_T_A(int)
298  DECL_CTORS_T_A(unsigned int)
299  DECL_CTORS_T_A(long)
300  DECL_CTORS_T_A(unsigned long)
301  DECL_CTORS_T_A(float)
302  DECL_CTORS_T_A(double)
303  DECL_CTORS_T_A(const char *)
304  DECL_CTORS_T_A(const sc_fxval &)
305  DECL_CTORS_T_A(const sc_fxval_fast &)
306  DECL_CTORS_T_A(const sc_fxnum &)
307  DECL_CTORS_T_A(const sc_fxnum_fast &)
308 
309  DECL_CTORS_T_B(int64)
310  DECL_CTORS_T_B(uint64)
311  DECL_CTORS_T_B(const sc_int_base &)
312  DECL_CTORS_T_B(const sc_uint_base &)
313  DECL_CTORS_T_B(const sc_signed &)
314  DECL_CTORS_T_B(const sc_unsigned &)
315 
316 #undef DECL_CTORS_T
317 #undef DECL_CTORS_T_A
318 #undef DECL_CTORS_T_B
319 
320  // copy constructor
321  sc_fix_fast(const sc_fix_fast &);
322 
323  // unary bitwise operators
324  const sc_fix_fast operator ~ () const;
325 
326  // unary bitwise functions
327  friend void b_not(sc_fix_fast &, const sc_fix_fast &);
328 
329  // binary bitwise operators
330  friend const sc_fix_fast operator & (
331  const sc_fix_fast &, const sc_fix_fast &);
332  friend const sc_fix_fast operator ^ (
333  const sc_fix_fast &, const sc_fix_fast &);
334  friend const sc_fix_fast operator | (
335  const sc_fix_fast &, const sc_fix_fast &);
336 
337  // binary bitwise functions
338  friend void b_and(sc_fix_fast &, const sc_fix_fast &, const sc_fix_fast &);
339  friend void b_or(sc_fix_fast &, const sc_fix_fast &, const sc_fix_fast &);
340  friend void b_xor(sc_fix_fast &, const sc_fix_fast &, const sc_fix_fast &);
341 
342  // assignment operators
343  sc_fix_fast &operator = (const sc_fix_fast &);
344 
345 #define DECL_ASN_OP_T(op,tp) sc_fix_fast &operator op (tp);
346 
347 #define DECL_ASN_OP_OTHER(op) \
348  DECL_ASN_OP_T(op, int64) \
349  DECL_ASN_OP_T(op, uint64) \
350  DECL_ASN_OP_T(op, const sc_int_base &) \
351  DECL_ASN_OP_T(op, const sc_uint_base &) \
352  DECL_ASN_OP_T(op, const sc_signed &) \
353  DECL_ASN_OP_T(op, const sc_unsigned &)
354 
355 #define DECL_ASN_OP(op) \
356  DECL_ASN_OP_T(op, int) \
357  DECL_ASN_OP_T(op, unsigned int) \
358  DECL_ASN_OP_T(op, long) \
359  DECL_ASN_OP_T(op, unsigned long) \
360  DECL_ASN_OP_T(op, float) \
361  DECL_ASN_OP_T(op, double) \
362  DECL_ASN_OP_T(op, const char *) \
363  DECL_ASN_OP_T(op, const sc_fxval &) \
364  DECL_ASN_OP_T(op, const sc_fxval_fast &) \
365  DECL_ASN_OP_T(op, const sc_fxnum &) \
366  DECL_ASN_OP_T(op, const sc_fxnum_fast &) \
367  DECL_ASN_OP_OTHER(op)
368 
369  DECL_ASN_OP(=)
370 
371  DECL_ASN_OP(*=)
372  DECL_ASN_OP(/=)
373  DECL_ASN_OP(+=)
374  DECL_ASN_OP(-=)
375 
376  DECL_ASN_OP_T(<<=, int)
377  DECL_ASN_OP_T(>>=, int)
378 
379  DECL_ASN_OP_T(&=, const sc_fix &)
380  DECL_ASN_OP_T(&=, const sc_fix_fast &)
381  DECL_ASN_OP_T(|=, const sc_fix &)
382  DECL_ASN_OP_T(|=, const sc_fix_fast &)
383  DECL_ASN_OP_T(^=, const sc_fix &)
384  DECL_ASN_OP_T(^=, const sc_fix_fast &)
385 
386 #undef DECL_ASN_OP_T
387 #undef DECL_ASN_OP_OTHER
388 #undef DECL_ASN_OP
389 
390  // auto-increment and auto-decrement
391  const sc_fxval_fast operator ++ (int);
392  const sc_fxval_fast operator -- (int);
393 
394  sc_fix_fast& operator ++ ();
395  sc_fix_fast& operator -- ();
396 };
397 
398 
399 // IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
400 
401 // ----------------------------------------------------------------------------
402 // CLASS : sc_fix
403 //
404 // "Unconstrained" signed fixed-point class; arbitrary precision.
405 // ----------------------------------------------------------------------------
406 
407 // constructors
408 inline sc_fix::sc_fix(sc_fxnum_observer *observer_) :
409  sc_fxnum(sc_fxtype_params(), SC_TC_, sc_fxcast_switch(), observer_)
410 {}
411 
412 inline sc_fix::sc_fix(int wl_, int iwl_, sc_fxnum_observer *observer_) :
413  sc_fxnum(sc_fxtype_params(wl_, iwl_), SC_TC_, sc_fxcast_switch(),
414  observer_)
415 {}
416 
417 inline sc_fix::sc_fix(sc_q_mode qm, sc_o_mode om,
418  sc_fxnum_observer *observer_) :
419  sc_fxnum(sc_fxtype_params(qm, om), SC_TC_, sc_fxcast_switch(),
420  observer_ )
421 {}
422 
423 inline sc_fix::sc_fix(sc_q_mode qm, sc_o_mode om, int nb,
424  sc_fxnum_observer *observer_) :
425  sc_fxnum(sc_fxtype_params(qm, om, nb), SC_TC_, sc_fxcast_switch(),
426  observer_)
427 {}
428 
429 inline sc_fix::sc_fix(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
430  sc_fxnum_observer *observer_) :
431  sc_fxnum(sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_,
432  sc_fxcast_switch(), observer_)
433 {}
434 
435 inline sc_fix::sc_fix(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, int nb,
436  sc_fxnum_observer* observer_) :
437  sc_fxnum(sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_,
438  sc_fxcast_switch(), observer_)
439 {}
440 
441 inline sc_fix::sc_fix(const sc_fxcast_switch &cast_sw,
442  sc_fxnum_observer *observer_) :
443  sc_fxnum(sc_fxtype_params(), SC_TC_, cast_sw, observer_)
444 {}
445 
446 inline sc_fix::sc_fix(int wl_, int iwl_, const sc_fxcast_switch &cast_sw,
447  sc_fxnum_observer *observer_) :
448  sc_fxnum(sc_fxtype_params(wl_, iwl_), SC_TC_, cast_sw, observer_)
449 {}
450 
451 inline sc_fix::sc_fix(sc_q_mode qm, sc_o_mode om,
452  const sc_fxcast_switch &cast_sw,
453  sc_fxnum_observer *observer_) :
454  sc_fxnum(sc_fxtype_params(qm, om), SC_TC_, cast_sw, observer_)
455 {}
456 
457 inline sc_fix::sc_fix(sc_q_mode qm, sc_o_mode om, int nb,
458  const sc_fxcast_switch &cast_sw,
459  sc_fxnum_observer *observer_) :
460  sc_fxnum(sc_fxtype_params(qm, om, nb), SC_TC_, cast_sw, observer_)
461 {}
462 
463 inline sc_fix::sc_fix(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
464  const sc_fxcast_switch &cast_sw,
465  sc_fxnum_observer *observer_) :
466  sc_fxnum(sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, cast_sw,
467  observer_)
468 {}
469 
470 inline sc_fix::sc_fix(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, int nb,
471  const sc_fxcast_switch &cast_sw,
472  sc_fxnum_observer *observer_) :
473  sc_fxnum(sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, cast_sw,
474  observer_)
475 {}
476 
477 inline sc_fix::sc_fix(const sc_fxtype_params &type_params_,
478  sc_fxnum_observer *observer_) :
479  sc_fxnum( type_params_, SC_TC_, sc_fxcast_switch(), observer_)
480 {}
481 
482 inline sc_fix::sc_fix(const sc_fxtype_params &type_params_,
483  const sc_fxcast_switch &cast_sw,
484  sc_fxnum_observer *observer_) :
485  sc_fxnum(type_params_, SC_TC_, cast_sw, observer_)
486 {}
487 
488 #define DEFN_CTORS_T_A(tp) \
489 inline sc_fix::sc_fix(tp a, sc_fxnum_observer *observer_) : \
490  sc_fxnum(a, sc_fxtype_params(), SC_TC_, sc_fxcast_switch(), \
491  observer_) \
492 {} \
493  \
494 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, \
495  sc_fxnum_observer *observer_) : \
496  sc_fxnum(a, sc_fxtype_params(wl_, iwl_), SC_TC_, sc_fxcast_switch(), \
497  observer_) \
498 {} \
499  \
500 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, \
501  sc_fxnum_observer *observer_) : \
502  sc_fxnum(a, sc_fxtype_params(qm, om), SC_TC_, sc_fxcast_switch(), \
503  observer_) \
504 {} \
505  \
506 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
507  sc_fxnum_observer *observer_) : \
508  sc_fxnum(a, sc_fxtype_params(qm, om, nb), SC_TC_, \
509  sc_fxcast_switch(), observer_) \
510 {} \
511  \
512 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
513  sc_fxnum_observer *observer_) : \
514  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, \
515  sc_fxcast_switch(), observer_) \
516 {} \
517  \
518 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
519  int nb, sc_fxnum_observer *observer_) : \
520  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, \
521  sc_fxcast_switch(), observer_) \
522 {} \
523  \
524 inline sc_fix::sc_fix(tp a, const sc_fxcast_switch &cast_sw, \
525  sc_fxnum_observer *observer_) : \
526  sc_fxnum(a, sc_fxtype_params(), SC_TC_, cast_sw, observer_) \
527 {} \
528  \
529 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, \
530  const sc_fxcast_switch &cast_sw, \
531  sc_fxnum_observer *observer_) : \
532  sc_fxnum(a, sc_fxtype_params(wl_, iwl_), SC_TC_, cast_sw, observer_) \
533 {} \
534  \
535 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, \
536  const sc_fxcast_switch &cast_sw, \
537  sc_fxnum_observer *observer_) : \
538  sc_fxnum(a, sc_fxtype_params(qm, om), SC_TC_, cast_sw, observer_) \
539 {} \
540  \
541 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
542  const sc_fxcast_switch &cast_sw, \
543  sc_fxnum_observer *observer_) : \
544  sc_fxnum(a, sc_fxtype_params(qm, om, nb), SC_TC_, cast_sw, observer_) \
545 {} \
546  \
547 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
548  const sc_fxcast_switch &cast_sw, \
549  sc_fxnum_observer *observer_) : \
550  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, cast_sw, \
551  observer_) \
552 {} \
553  \
554 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
555  int nb, const sc_fxcast_switch &cast_sw, \
556  sc_fxnum_observer *observer_) : \
557  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, cast_sw, \
558  observer_) \
559 {} \
560  \
561 inline sc_fix::sc_fix(tp a, const sc_fxtype_params &type_params_, \
562  sc_fxnum_observer *observer_) : \
563  sc_fxnum(a, type_params_, SC_TC_, sc_fxcast_switch(), observer_) \
564 {} \
565  \
566 inline sc_fix::sc_fix(tp a, const sc_fxtype_params &type_params_, \
567  const sc_fxcast_switch &cast_sw, \
568  sc_fxnum_observer *observer_) : \
569  sc_fxnum(a, type_params_, SC_TC_, cast_sw, observer_) \
570 {}
571 
572 #define DEFN_CTORS_T_B(tp) \
573 inline sc_fix::sc_fix(tp a, sc_fxnum_observer *observer_) : \
574  sc_fxnum(a, a.type_params(), SC_TC_, sc_fxcast_switch(), observer_) \
575 {} \
576  \
577 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, \
578  sc_fxnum_observer *observer_) : \
579  sc_fxnum(a, sc_fxtype_params(a.type_params(), wl_, iwl_), SC_TC_, \
580  sc_fxcast_switch(), observer_) \
581 {} \
582  \
583 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, \
584  sc_fxnum_observer *observer_) : \
585  sc_fxnum(a, sc_fxtype_params(a.type_params(), qm, om), SC_TC_, \
586  sc_fxcast_switch(), observer_) \
587 {} \
588  \
589 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
590  sc_fxnum_observer *observer_) : \
591  sc_fxnum(a, sc_fxtype_params(a.type_params(), qm, om, nb), SC_TC_, \
592  sc_fxcast_switch(), observer_) \
593 {} \
594  \
595 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
596  sc_fxnum_observer *observer_) : \
597  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, \
598  sc_fxcast_switch(), observer_) \
599 {} \
600  \
601 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
602  int nb, sc_fxnum_observer *observer_) : \
603  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, \
604  sc_fxcast_switch(), observer_) \
605 {} \
606  \
607 inline sc_fix::sc_fix(tp a, const sc_fxcast_switch &cast_sw, \
608  sc_fxnum_observer *observer_) : \
609  sc_fxnum(a, a.type_params(), SC_TC_, cast_sw, observer_) \
610 {} \
611  \
612 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, \
613  const sc_fxcast_switch &cast_sw, \
614  sc_fxnum_observer *observer_) : \
615  sc_fxnum(a, sc_fxtype_params(a.type_params(), wl_, iwl_), SC_TC_, \
616  cast_sw, observer_) \
617 {} \
618  \
619 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, \
620  const sc_fxcast_switch &cast_sw, \
621  sc_fxnum_observer *observer_) : \
622  sc_fxnum(a, sc_fxtype_params(a.type_params(), qm, om), SC_TC_, \
623  cast_sw, observer_) \
624 {} \
625  \
626 inline sc_fix::sc_fix(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
627  const sc_fxcast_switch &cast_sw, \
628  sc_fxnum_observer *observer_) : \
629  sc_fxnum(a, sc_fxtype_params(a.type_params(), qm, om, nb), SC_TC_, \
630  cast_sw, observer_) \
631 {} \
632  \
633 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
634  const sc_fxcast_switch &cast_sw, \
635  sc_fxnum_observer *observer_) : \
636  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, cast_sw, \
637  observer_) \
638 {} \
639  \
640 inline sc_fix::sc_fix(tp a, int wl_, int iwl_, sc_q_mode qm, sc_o_mode om, \
641  int nb, const sc_fxcast_switch &cast_sw, \
642  sc_fxnum_observer *observer_) : \
643  sc_fxnum(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, cast_sw, \
644  observer_) \
645 {} \
646  \
647 inline sc_fix::sc_fix(tp a, const sc_fxtype_params &type_params_, \
648  sc_fxnum_observer *observer_) : \
649  sc_fxnum(a, type_params_, SC_TC_, sc_fxcast_switch(), observer_) \
650 {} \
651  \
652 inline sc_fix::sc_fix(tp a, const sc_fxtype_params &type_params_, \
653  const sc_fxcast_switch &cast_sw, \
654  sc_fxnum_observer *observer_) : \
655  sc_fxnum(a, type_params_, SC_TC_, cast_sw, observer_) \
656 {}
657 
658 DEFN_CTORS_T_A(int)
659 DEFN_CTORS_T_A(unsigned int)
660 DEFN_CTORS_T_A(long)
661 DEFN_CTORS_T_A(unsigned long)
662 DEFN_CTORS_T_A(float)
663 DEFN_CTORS_T_A(double)
664 DEFN_CTORS_T_A(const char *)
665 DEFN_CTORS_T_A(const sc_fxval &)
666 DEFN_CTORS_T_A(const sc_fxval_fast &)
667 DEFN_CTORS_T_B(const sc_fxnum &)
668 DEFN_CTORS_T_B(const sc_fxnum_fast &)
669 
670 DEFN_CTORS_T_A(int64)
671 DEFN_CTORS_T_A(uint64)
672 DEFN_CTORS_T_A(const sc_int_base &)
673 DEFN_CTORS_T_A(const sc_uint_base &)
674 DEFN_CTORS_T_A(const sc_signed &)
675 DEFN_CTORS_T_A(const sc_unsigned &)
676 
677 #undef DEFN_CTORS_T_A
678 #undef DEFN_CTORS_T_B
679 
680 // copy constructor
681 inline sc_fix::sc_fix(const sc_fix &a) :
682  sc_fxnum(a, a.type_params(), SC_TC_, sc_fxcast_switch(), 0)
683 {}
684 
685 // unary bitwise operators
686 inline const sc_fix sc_fix::operator ~ () const
687 {
688  SC_FXNUM_OBSERVER_READ_(*this)
689  int iwl_c = iwl();
690  int wl_c = wl();
691  sc_fix c(wl_c, iwl_c);
692  for (int i = iwl_c - wl_c; i < iwl_c; ++i)
693  c.set_bit(i, !get_bit(i));
694  return sc_fix(c, wl_c, iwl_c);
695 }
696 
697 // unary bitwise functions
698 inline void
699 b_not(sc_fix &c, const sc_fix &a)
700 {
701  SC_FXNUM_OBSERVER_READ_(a)
702  int iwl_c = c.iwl();
703  for (int i = iwl_c - c.wl(); i < iwl_c; ++i)
704  c.set_bit(i, !a.get_bit(i));
705  c.cast();
706  SC_FXNUM_OBSERVER_WRITE_(c)
707 }
708 
709 // binary bitwise operators
710 #define DEFN_BIN_OP_T(op, op2, tp1, tp2) \
711 inline const sc_fix \
712 operator op (const tp1 &a, const tp2 &b) \
713 { \
714  a.observer_read(); \
715  b.observer_read(); \
716  int iwl_a = a.iwl(); \
717  int iwl_b = b.iwl(); \
718  int iwl_c = sc_max(iwl_a, iwl_b); \
719  int fwl_c = sc_max(a.wl() - iwl_a, b.wl() - iwl_b); \
720  sc_fix c(iwl_c + fwl_c, iwl_c); \
721  for (int i = -fwl_c; i < iwl_c; ++ i) \
722  c.set_bit(i, a.get_bit(i) op2 b.get_bit(i)); \
723  return sc_fix(c, iwl_c + fwl_c, iwl_c); \
724 }
725 
726 DEFN_BIN_OP_T(&, &&, sc_fix, sc_fix)
727 DEFN_BIN_OP_T(&, &&, sc_fix, sc_fix_fast)
728 DEFN_BIN_OP_T(&, &&, sc_fix_fast, sc_fix)
729 
730 DEFN_BIN_OP_T(|, ||, sc_fix, sc_fix)
731 DEFN_BIN_OP_T(|, ||, sc_fix, sc_fix_fast)
732 DEFN_BIN_OP_T(|, ||, sc_fix_fast, sc_fix)
733 
734 DEFN_BIN_OP_T(^, !=, sc_fix, sc_fix)
735 DEFN_BIN_OP_T(^, !=, sc_fix, sc_fix_fast)
736 DEFN_BIN_OP_T(^, !=, sc_fix_fast, sc_fix)
737 
738 #undef DEFN_BIN_OP_T
739 
740 // binary bitwise functions
741 #define DEFN_BIN_FNC_T(fnc, op2, tp1, tp2) \
742 inline void \
743 fnc (sc_fix &c, const tp1 &a, const tp2 &b) \
744 { \
745  a.observer_read(); \
746  b.observer_read(); \
747  int iwl_c = c.iwl(); \
748  for (int i = iwl_c - c.wl(); i < iwl_c; ++i) \
749  c.set_bit(i, a.get_bit(i) op2 b.get_bit(i)); \
750  c.cast(); \
751  SC_FXNUM_OBSERVER_WRITE_(c) \
752 }
753 
754 DEFN_BIN_FNC_T(b_and, &&, sc_fix, sc_fix)
755 DEFN_BIN_FNC_T(b_and, &&, sc_fix, sc_fix_fast)
756 DEFN_BIN_FNC_T(b_and, &&, sc_fix_fast, sc_fix)
757 
758 DEFN_BIN_FNC_T(b_or, ||, sc_fix, sc_fix)
759 DEFN_BIN_FNC_T(b_or, ||, sc_fix, sc_fix_fast)
760 DEFN_BIN_FNC_T(b_or, ||, sc_fix_fast, sc_fix)
761 
762 DEFN_BIN_FNC_T(b_xor, !=, sc_fix, sc_fix)
763 DEFN_BIN_FNC_T(b_xor, !=, sc_fix, sc_fix_fast)
764 DEFN_BIN_FNC_T(b_xor, !=, sc_fix_fast, sc_fix)
765 
766 #undef DEFN_BIN_FNC_T
767 
768 // assignment operators
769 inline
770 sc_fix &
771 sc_fix::operator = (const sc_fix &a)
772 {
773  sc_fxnum::operator = (a);
774  return *this;
775 }
776 
777 #define DEFN_ASN_OP_T(op, tp) \
778 inline sc_fix & \
779 sc_fix::operator op (tp a) \
780 { \
781  sc_fxnum::operator op(a); \
782  return *this; \
783 }
784 
785 #define DEFN_ASN_OP_OTHER(op) \
786 DEFN_ASN_OP_T(op, int64) \
787 DEFN_ASN_OP_T(op, uint64) \
788 DEFN_ASN_OP_T(op, const sc_int_base &) \
789 DEFN_ASN_OP_T(op, const sc_uint_base &) \
790 DEFN_ASN_OP_T(op, const sc_signed &) \
791 DEFN_ASN_OP_T(op, const sc_unsigned &)
792 
793 #define DEFN_ASN_OP(op) \
794 DEFN_ASN_OP_T(op, int) \
795 DEFN_ASN_OP_T(op, unsigned int) \
796 DEFN_ASN_OP_T(op, long) \
797 DEFN_ASN_OP_T(op, unsigned long) \
798 DEFN_ASN_OP_T(op, float) \
799 DEFN_ASN_OP_T(op, double) \
800 DEFN_ASN_OP_T(op, const char *) \
801 DEFN_ASN_OP_T(op, const sc_fxval &) \
802 DEFN_ASN_OP_T(op, const sc_fxval_fast &) \
803 DEFN_ASN_OP_T(op, const sc_fxnum &) \
804 DEFN_ASN_OP_T(op, const sc_fxnum_fast &) \
805 DEFN_ASN_OP_OTHER(op)
806 
807 DEFN_ASN_OP(=)
808 
809 DEFN_ASN_OP(*=)
810 DEFN_ASN_OP(/=)
811 DEFN_ASN_OP(+=)
812 DEFN_ASN_OP(-=)
813 
814 DEFN_ASN_OP_T(<<=, int)
815 DEFN_ASN_OP_T(>>=, int)
816 
817 #undef DEFN_ASN_OP_T
818 #undef DEFN_ASN_OP_OTHER
819 #undef DEFN_ASN_OP
820 
821 #define DEFN_ASN_OP_T(op, op2, tp) \
822 inline sc_fix & \
823 sc_fix::operator op (const tp &b) \
824 { \
825  SC_FXNUM_OBSERVER_READ_(*this) \
826  b.observer_read(); \
827  int iwl_c = iwl(); \
828  for (int i = iwl_c - wl(); i < iwl_c; ++i) \
829  set_bit(i, get_bit(i) op2 b.get_bit(i)); \
830  cast(); \
831  SC_FXNUM_OBSERVER_WRITE_(*this) \
832  return *this; \
833 }
834 
835 DEFN_ASN_OP_T(&=, &&, sc_fix)
836 DEFN_ASN_OP_T(&=, &&, sc_fix_fast)
837 DEFN_ASN_OP_T(|=, ||, sc_fix)
838 DEFN_ASN_OP_T(|=, ||, sc_fix_fast)
839 DEFN_ASN_OP_T(^=, !=, sc_fix)
840 DEFN_ASN_OP_T(^=, !=, sc_fix_fast)
841 
842 #undef DEFN_ASN_OP_T
843 
844 // auto-increment and auto-decrement
845 inline const sc_fxval
846 sc_fix::operator ++ (int)
847 {
848  return sc_fxval(sc_fxnum::operator ++ (0));
849 }
850 
851 inline const sc_fxval
852 sc_fix::operator -- (int)
853 {
854  return sc_fxval(sc_fxnum::operator -- (0));
855 }
856 
857 inline sc_fix &
858 sc_fix::operator ++ ()
859 {
860  sc_fxnum::operator ++ ();
861  return *this;
862 }
863 
864 inline sc_fix &
865 sc_fix::operator -- ()
866 {
867  sc_fxnum::operator -- ();
868  return *this;
869 }
870 
871 
872 // ----------------------------------------------------------------------------
873 // CLASS : sc_fix_fast
874 //
875 // "Unconstrained" signed fixed-point class; limited precision.
876 // ----------------------------------------------------------------------------
877 
878 // constructors
879 inline sc_fix_fast::sc_fix_fast(sc_fxnum_fast_observer *observer_) :
880  sc_fxnum_fast(sc_fxtype_params(), SC_TC_, sc_fxcast_switch(),
881  observer_)
882 {}
883 
884 inline sc_fix_fast::sc_fix_fast(int wl_, int iwl_,
885  sc_fxnum_fast_observer *observer_) :
886  sc_fxnum_fast(sc_fxtype_params(wl_, iwl_), SC_TC_, sc_fxcast_switch(),
887  observer_ )
888 {}
889 
890 inline sc_fix_fast::sc_fix_fast(sc_q_mode qm, sc_o_mode om,
891  sc_fxnum_fast_observer *observer_) :
892  sc_fxnum_fast(sc_fxtype_params(qm, om), SC_TC_, sc_fxcast_switch(),
893  observer_ )
894 {}
895 
896 inline sc_fix_fast::sc_fix_fast(sc_q_mode qm, sc_o_mode om, int nb,
897  sc_fxnum_fast_observer *observer_) :
898  sc_fxnum_fast(sc_fxtype_params(qm, om, nb), SC_TC_, sc_fxcast_switch(),
899  observer_ )
900 {}
901 
902 inline sc_fix_fast::sc_fix_fast(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
903  sc_fxnum_fast_observer *observer_) :
904  sc_fxnum_fast(sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_,
905  sc_fxcast_switch(), observer_)
906 {}
907 
908 inline sc_fix_fast::sc_fix_fast(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
909  int nb, sc_fxnum_fast_observer *observer_) :
910  sc_fxnum_fast(sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_,
911  sc_fxcast_switch(), observer_)
912 {}
913 
914 inline sc_fix_fast::sc_fix_fast(const sc_fxcast_switch &cast_sw,
915  sc_fxnum_fast_observer *observer_) :
916  sc_fxnum_fast(sc_fxtype_params(), SC_TC_, cast_sw, observer_)
917 {}
918 
919 inline sc_fix_fast::sc_fix_fast(int wl_, int iwl_,
920  const sc_fxcast_switch &cast_sw,
921  sc_fxnum_fast_observer *observer_) :
922  sc_fxnum_fast(sc_fxtype_params(wl_, iwl_), SC_TC_, cast_sw, observer_)
923 {}
924 
925 inline sc_fix_fast::sc_fix_fast(sc_q_mode qm, sc_o_mode om,
926  const sc_fxcast_switch &cast_sw,
927  sc_fxnum_fast_observer *observer_) :
928  sc_fxnum_fast(sc_fxtype_params(qm, om), SC_TC_, cast_sw, observer_)
929 {}
930 
931 inline sc_fix_fast::sc_fix_fast(sc_q_mode qm, sc_o_mode om, int nb,
932  const sc_fxcast_switch &cast_sw,
933  sc_fxnum_fast_observer *observer_) :
934  sc_fxnum_fast(sc_fxtype_params(qm, om, nb), SC_TC_, cast_sw, observer_)
935 {}
936 
937 inline sc_fix_fast::sc_fix_fast(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
938  const sc_fxcast_switch &cast_sw,
939  sc_fxnum_fast_observer *observer_) :
940  sc_fxnum_fast(sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, cast_sw,
941  observer_)
942 {}
943 
944 inline sc_fix_fast::sc_fix_fast(int wl_, int iwl_, sc_q_mode qm, sc_o_mode om,
945  int nb, const sc_fxcast_switch &cast_sw,
946  sc_fxnum_fast_observer *observer_) :
947  sc_fxnum_fast(sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, cast_sw,
948  observer_)
949 {}
950 
951 inline sc_fix_fast::sc_fix_fast(const sc_fxtype_params &type_params_,
952  sc_fxnum_fast_observer *observer_) :
953  sc_fxnum_fast(type_params_, SC_TC_, sc_fxcast_switch(), observer_)
954 {}
955 
956 inline sc_fix_fast::sc_fix_fast(const sc_fxtype_params &type_params_,
957  const sc_fxcast_switch &cast_sw,
958  sc_fxnum_fast_observer *observer_) :
959  sc_fxnum_fast(type_params_, SC_TC_, cast_sw, observer_)
960 {}
961 
962 #define DEFN_CTORS_T_A(tp) \
963 inline sc_fix_fast::sc_fix_fast(tp a, sc_fxnum_fast_observer *observer_ ) : \
964  sc_fxnum_fast(a, sc_fxtype_params(), SC_TC_, sc_fxcast_switch(), \
965  observer_ ) \
966 {} \
967  \
968 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, \
969  sc_fxnum_fast_observer *observer_) : \
970  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_), SC_TC_, \
971  sc_fxcast_switch(), observer_) \
972 {} \
973  \
974 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, \
975  sc_fxnum_fast_observer *observer_) : \
976  sc_fxnum_fast(a, sc_fxtype_params(qm, om), SC_TC_, \
977  sc_fxcast_switch(), observer_) \
978 {} \
979  \
980 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
981  sc_fxnum_fast_observer *observer_ ) : \
982  sc_fxnum_fast(a, sc_fxtype_params(qm, om, nb), SC_TC_, \
983  sc_fxcast_switch(), observer_) \
984 {} \
985  \
986 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
987  sc_o_mode om, \
988  sc_fxnum_fast_observer *observer_) : \
989  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, \
990  sc_fxcast_switch(), observer_) \
991 {} \
992  \
993 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
994  sc_o_mode om, int nb, \
995  sc_fxnum_fast_observer *observer_) : \
996  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, \
997  sc_fxcast_switch(), observer_) \
998 {} \
999  \
1000 inline sc_fix_fast::sc_fix_fast(tp a, const sc_fxcast_switch &cast_sw, \
1001  sc_fxnum_fast_observer *observer_) : \
1002  sc_fxnum_fast(a, sc_fxtype_params(), SC_TC_, cast_sw, observer_) \
1003 {} \
1004  \
1005 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, \
1006  const sc_fxcast_switch &cast_sw, \
1007  sc_fxnum_fast_observer *observer_) : \
1008  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_), SC_TC_, cast_sw, \
1009  observer_ ) \
1010 {} \
1011  \
1012 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, \
1013  const sc_fxcast_switch &cast_sw, \
1014  sc_fxnum_fast_observer *observer_) : \
1015  sc_fxnum_fast(a, sc_fxtype_params(qm, om), SC_TC_, cast_sw, \
1016  observer_) \
1017 {} \
1018  \
1019 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
1020  const sc_fxcast_switch &cast_sw, \
1021  sc_fxnum_fast_observer *observer_) : \
1022  sc_fxnum_fast(a, sc_fxtype_params(qm, om, nb), SC_TC_, cast_sw, \
1023  observer_ ) \
1024 {} \
1025  \
1026 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
1027  sc_o_mode om, \
1028  const sc_fxcast_switch &cast_sw, \
1029  sc_fxnum_fast_observer *observer_) : \
1030  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, \
1031  cast_sw, observer_) \
1032 {} \
1033  \
1034 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
1035  sc_o_mode om, int nb, \
1036  const sc_fxcast_switch &cast_sw, \
1037  sc_fxnum_fast_observer *observer_) : \
1038  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, \
1039  cast_sw, observer_) \
1040 {} \
1041  \
1042 inline sc_fix_fast::sc_fix_fast(tp a, const sc_fxtype_params &type_params_, \
1043  sc_fxnum_fast_observer *observer_) : \
1044  sc_fxnum_fast(a, type_params_, SC_TC_, sc_fxcast_switch(), observer_) \
1045 {} \
1046  \
1047 inline sc_fix_fast::sc_fix_fast(tp a, const sc_fxtype_params &type_params_, \
1048  const sc_fxcast_switch &cast_sw, \
1049  sc_fxnum_fast_observer *observer_) : \
1050  sc_fxnum_fast(a, type_params_, SC_TC_, cast_sw, observer_) \
1051 {}
1052 
1053 #define DEFN_CTORS_T_B(tp) \
1054 inline sc_fix_fast::sc_fix_fast(tp a, sc_fxnum_fast_observer *observer_) : \
1055  sc_fxnum_fast(a, a.type_params(), SC_TC_, sc_fxcast_switch(), \
1056  observer_ ) \
1057 {} \
1058  \
1059 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, \
1060  sc_fxnum_fast_observer *observer_) : \
1061  sc_fxnum_fast(a, sc_fxtype_params(a.type_params(), wl_, iwl_), \
1062  SC_TC_, sc_fxcast_switch(), observer_) \
1063 {} \
1064  \
1065 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, \
1066  sc_fxnum_fast_observer *observer_) : \
1067  sc_fxnum_fast(a, sc_fxtype_params(a.type_params(), qm, om), SC_TC_, \
1068  sc_fxcast_switch(), observer_) \
1069 {} \
1070  \
1071 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
1072  sc_fxnum_fast_observer *observer_) : \
1073  sc_fxnum_fast(a, sc_fxtype_params(a.type_params(), qm, om, nb), \
1074  SC_TC_, sc_fxcast_switch(), observer_) \
1075 {} \
1076  \
1077 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
1078  sc_o_mode om, \
1079  sc_fxnum_fast_observer *observer_) : \
1080  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, \
1081  sc_fxcast_switch(), observer_) \
1082 {} \
1083  \
1084 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
1085  sc_o_mode om, int nb, \
1086  sc_fxnum_fast_observer *observer_) : \
1087  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, \
1088  sc_fxcast_switch(), observer_) \
1089 {} \
1090  \
1091 inline sc_fix_fast::sc_fix_fast(tp a, const sc_fxcast_switch &cast_sw, \
1092  sc_fxnum_fast_observer *observer_) : \
1093  sc_fxnum_fast(a, a.type_params(), SC_TC_, cast_sw, observer_) \
1094 {} \
1095  \
1096 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, \
1097  const sc_fxcast_switch &cast_sw, \
1098  sc_fxnum_fast_observer *observer_) : \
1099  sc_fxnum_fast(a, sc_fxtype_params(a.type_params(), wl_, iwl_), \
1100  SC_TC_, cast_sw, observer_) \
1101 {} \
1102  \
1103 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, \
1104  const sc_fxcast_switch &cast_sw, \
1105  sc_fxnum_fast_observer *observer_) : \
1106  sc_fxnum_fast(a, sc_fxtype_params(a.type_params(), qm, om), SC_TC_, \
1107  cast_sw, observer_) \
1108 {} \
1109  \
1110 inline sc_fix_fast::sc_fix_fast(tp a, sc_q_mode qm, sc_o_mode om, int nb, \
1111  const sc_fxcast_switch &cast_sw, \
1112  sc_fxnum_fast_observer *observer_) : \
1113  sc_fxnum_fast(a, sc_fxtype_params(a.type_params(), qm, om, nb), \
1114  SC_TC_, cast_sw, observer_) \
1115 {} \
1116  \
1117 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
1118  sc_o_mode om, \
1119  const sc_fxcast_switch &cast_sw, \
1120  sc_fxnum_fast_observer *observer_) : \
1121  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om), SC_TC_, \
1122  cast_sw, observer_) \
1123 {} \
1124  \
1125 inline sc_fix_fast::sc_fix_fast(tp a, int wl_, int iwl_, sc_q_mode qm, \
1126  sc_o_mode om, int nb, \
1127  const sc_fxcast_switch &cast_sw, \
1128  sc_fxnum_fast_observer *observer_) : \
1129  sc_fxnum_fast(a, sc_fxtype_params(wl_, iwl_, qm, om, nb), SC_TC_, \
1130  cast_sw, observer_) \
1131 {} \
1132  \
1133 inline sc_fix_fast::sc_fix_fast(tp a, const sc_fxtype_params &type_params_, \
1134  sc_fxnum_fast_observer *observer_) : \
1135  sc_fxnum_fast(a, type_params_, SC_TC_, sc_fxcast_switch(), observer_) \
1136 {} \
1137  \
1138 inline sc_fix_fast::sc_fix_fast(tp a, const sc_fxtype_params &type_params_, \
1139  const sc_fxcast_switch &cast_sw, \
1140  sc_fxnum_fast_observer *observer_) : \
1141  sc_fxnum_fast(a, type_params_, SC_TC_, cast_sw, observer_ ) \
1142 {}
1143 
1144 DEFN_CTORS_T_A(int)
1145 DEFN_CTORS_T_A(unsigned int)
1146 DEFN_CTORS_T_A(long)
1147 DEFN_CTORS_T_A(unsigned long)
1148 DEFN_CTORS_T_A(float)
1149 DEFN_CTORS_T_A(double)
1150 DEFN_CTORS_T_A(const char *)
1151 DEFN_CTORS_T_A(const sc_fxval &)
1152 DEFN_CTORS_T_A(const sc_fxval_fast &)
1153 DEFN_CTORS_T_B(const sc_fxnum &)
1154 DEFN_CTORS_T_B(const sc_fxnum_fast &)
1155 
1156 DEFN_CTORS_T_A(int64)
1157 DEFN_CTORS_T_A(uint64)
1158 DEFN_CTORS_T_A(const sc_int_base &)
1159 DEFN_CTORS_T_A(const sc_uint_base &)
1160 DEFN_CTORS_T_A(const sc_signed &)
1161 DEFN_CTORS_T_A(const sc_unsigned &)
1162 
1163 #undef DEFN_CTORS_T_A
1164 #undef DEFN_CTORS_T_B
1165 
1166 // copy constructor
1167 inline sc_fix_fast::sc_fix_fast(const sc_fix_fast &a) :
1168  sc_fxnum_fast(a, a.type_params(), SC_TC_, sc_fxcast_switch(), 0)
1169 {}
1170 
1171 // unary bitwise operators
1172 inline const sc_fix_fast
1173 sc_fix_fast::operator ~ () const
1174 {
1175  SC_FXNUM_FAST_OBSERVER_READ_(*this)
1176  int iwl_c = iwl();
1177  int wl_c = wl();
1178  sc_fix_fast c(wl_c, iwl_c);
1179  for (int i = iwl_c - wl_c; i < iwl_c; ++i)
1180  c.set_bit(i, !get_bit(i));
1181  return sc_fix_fast(c, wl_c, iwl_c);
1182 }
1183 
1184 // unary bitwise functions
1185 inline void
1186 b_not(sc_fix_fast &c, const sc_fix_fast &a)
1187 {
1188  SC_FXNUM_FAST_OBSERVER_READ_(a)
1189  int iwl_c = c.iwl();
1190  for (int i = iwl_c - c.wl(); i < iwl_c; ++i)
1191  c.set_bit(i, !a.get_bit(i));
1192  c.cast();
1193  SC_FXNUM_FAST_OBSERVER_WRITE_(c)
1194 }
1195 
1196 // binary bitwise operators
1197 #define DEFN_BIN_OP_T(op, op2, tp1, tp2) \
1198 inline const sc_fix_fast \
1199 operator op (const tp1 &a, const tp2 &b) \
1200 { \
1201  a.observer_read(); \
1202  b.observer_read(); \
1203  int iwl_a = a.iwl(); \
1204  int iwl_b = b.iwl(); \
1205  int iwl_c = sc_max(iwl_a, iwl_b); \
1206  int fwl_c = sc_max(a.wl() - iwl_a, b.wl() - iwl_b); \
1207  sc_fix_fast c(iwl_c + fwl_c, iwl_c); \
1208  for (int i = -fwl_c; i < iwl_c; ++i) \
1209  c.set_bit(i, a.get_bit(i) op2 b.get_bit(i)); \
1210  return sc_fix_fast(c, iwl_c + fwl_c, iwl_c); \
1211 }
1212 
1213 DEFN_BIN_OP_T(&, &&, sc_fix_fast, sc_fix_fast)
1214 DEFN_BIN_OP_T(|, ||, sc_fix_fast, sc_fix_fast)
1215 DEFN_BIN_OP_T(^, !=, sc_fix_fast, sc_fix_fast)
1216 
1217 #undef DEFN_BIN_OP_T
1218 
1219 // binary bitwise functions
1220 #define DEFN_BIN_FNC_T(fnc, op2, tp1, tp2) \
1221 inline void \
1222 fnc(sc_fix_fast &c, const tp1 &a, const tp2 &b) \
1223 { \
1224  a.observer_read(); \
1225  b.observer_read(); \
1226  int iwl_c = c.iwl(); \
1227  for (int i = iwl_c - c.wl(); i < iwl_c; ++i) \
1228  c.set_bit(i, a.get_bit(i) op2 b.get_bit(i)); \
1229  c.cast(); \
1230  SC_FXNUM_FAST_OBSERVER_WRITE_(c) \
1231 }
1232 
1233 DEFN_BIN_FNC_T(b_and, &&, sc_fix_fast, sc_fix_fast)
1234 DEFN_BIN_FNC_T(b_or, ||, sc_fix_fast, sc_fix_fast)
1235 DEFN_BIN_FNC_T(b_xor, !=, sc_fix_fast, sc_fix_fast)
1236 
1237 #undef DEFN_BIN_FNC_T
1238 
1239 // assignment operators
1240 inline sc_fix_fast &
1241 sc_fix_fast::operator = (const sc_fix_fast &a)
1242 {
1243  sc_fxnum_fast::operator = (a);
1244  return *this;
1245 }
1246 
1247 #define DEFN_ASN_OP_T(op, tp) \
1248 inline sc_fix_fast & \
1249 sc_fix_fast::operator op (tp a) \
1250 { \
1251  sc_fxnum_fast::operator op(a); \
1252  return *this; \
1253 }
1254 
1255 #define DEFN_ASN_OP_OTHER(op) \
1256 DEFN_ASN_OP_T(op, int64) \
1257 DEFN_ASN_OP_T(op, uint64) \
1258 DEFN_ASN_OP_T(op, const sc_int_base &) \
1259 DEFN_ASN_OP_T(op, const sc_uint_base &) \
1260 DEFN_ASN_OP_T(op, const sc_signed &) \
1261 DEFN_ASN_OP_T(op, const sc_unsigned &)
1262 
1263 #define DEFN_ASN_OP(op) \
1264 DEFN_ASN_OP_T(op, int) \
1265 DEFN_ASN_OP_T(op, unsigned int) \
1266 DEFN_ASN_OP_T(op, long) \
1267 DEFN_ASN_OP_T(op, unsigned long) \
1268 DEFN_ASN_OP_T(op, float) \
1269 DEFN_ASN_OP_T(op, double) \
1270 DEFN_ASN_OP_T(op, const char *) \
1271 DEFN_ASN_OP_T(op, const sc_fxval &) \
1272 DEFN_ASN_OP_T(op, const sc_fxval_fast &) \
1273 DEFN_ASN_OP_T(op, const sc_fxnum &) \
1274 DEFN_ASN_OP_T(op, const sc_fxnum_fast &) \
1275 DEFN_ASN_OP_OTHER(op)
1276 
1277 DEFN_ASN_OP(=)
1278 
1279 DEFN_ASN_OP(*=)
1280 DEFN_ASN_OP(/=)
1281 DEFN_ASN_OP(+=)
1282 DEFN_ASN_OP(-=)
1283 
1284 DEFN_ASN_OP_T(<<=, int)
1285 DEFN_ASN_OP_T(>>=, int)
1286 
1287 #undef DEFN_ASN_OP_T
1288 #undef DEFN_ASN_OP_OTHER
1289 #undef DEFN_ASN_OP
1290 
1291 #define DEFN_ASN_OP_T(op, op2, tp) \
1292 inline sc_fix_fast & \
1293 sc_fix_fast::operator op (const tp &b) \
1294 { \
1295  SC_FXNUM_FAST_OBSERVER_READ_(*this) \
1296  b.observer_read(); \
1297  int iwl_c = iwl(); \
1298  for (int i = iwl_c - wl(); i < iwl_c; ++i) \
1299  set_bit(i, get_bit(i) op2 b.get_bit(i)); \
1300  cast(); \
1301  SC_FXNUM_FAST_OBSERVER_WRITE_(*this) \
1302  return *this; \
1303 }
1304 
1305 DEFN_ASN_OP_T(&=, &&, sc_fix)
1306 DEFN_ASN_OP_T(&=, &&, sc_fix_fast)
1307 DEFN_ASN_OP_T(|=, ||, sc_fix)
1308 DEFN_ASN_OP_T(|=, ||, sc_fix_fast)
1309 DEFN_ASN_OP_T(^=, !=, sc_fix)
1310 DEFN_ASN_OP_T(^=, !=, sc_fix_fast)
1311 
1312 #undef DEFN_ASN_OP_T
1313 
1314 // auto-increment and auto-decrement
1315 inline const sc_fxval_fast
1316 sc_fix_fast::operator ++ (int)
1317 {
1318  return sc_fxval_fast(sc_fxnum_fast::operator ++ (0));
1319 }
1320 
1321 inline const sc_fxval_fast
1322 sc_fix_fast::operator -- (int)
1323 {
1324  return sc_fxval_fast(sc_fxnum_fast::operator -- (0));
1325 }
1326 
1327 inline sc_fix_fast &
1328 sc_fix_fast::operator ++ ()
1329 {
1330  sc_fxnum_fast::operator ++ ();
1331  return *this;
1332 }
1333 
1334 inline sc_fix_fast &
1335 sc_fix_fast::operator -- ()
1336 {
1337  sc_fxnum_fast::operator -- ();
1338  return *this;
1339 }
1340 
1341 } // namespace sc_dt
1342 
1343 #endif // __SYSTEMC_EXT_DT_FX_SC_FIX_HH__
sc_dt::sc_fxnum_fast::sc_fxval_fast
friend class sc_fxval_fast
Definition: sc_fxnum.hh:846
sc_dt::sc_fix_fast::operator++
sc_fix_fast & operator++()
Definition: sc_fix.hh:1328
sc_dt::sc_fix::operator|
friend const sc_fix operator|(const sc_fix &, const sc_fix &)
DEFN_BIN_OP_T
#define DEFN_BIN_OP_T(op, op2, tp1, tp2)
Definition: sc_fix.hh:1197
DECL_ASN_OP
#define DECL_ASN_OP(op)
Definition: sc_fix.hh:355
sc_dt::sc_fxnum_fast::type_params
const sc_fxtype_params & type_params() const
Definition: sc_fxnum.hh:4038
sc_dt::sc_fix_fast::operator=
sc_fix_fast & operator=(const sc_fix_fast &)
Definition: sc_fix.hh:1241
sc_dt::sc_fxnum_fast::set_bit
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Definition: sc_fxnum.cc:742
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const sc_fxtype_params & type_params() const
Definition: sc_fxnum.hh:3067
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Bitfield< 7 > i
Definition: miscregs_types.hh:63
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Definition: sc_fxdefs.hh:72
SC_FXNUM_OBSERVER_WRITE_
#define SC_FXNUM_OBSERVER_WRITE_(object)
Definition: sc_fxnum_observer.hh:92
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Definition: sc_fxnum_observer.hh:132
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friend void b_and(sc_fix &, const sc_fix &, const sc_fix &)
DECL_CTORS_T_B
#define DECL_CTORS_T_B(tp)
Definition: sc_fix.hh:293
sc_dt::sc_fxnum_fast::wl
int wl() const
Definition: sc_fxnum.hh:4008
sc_dt::sc_fix::operator~
const sc_fix operator~() const
Definition: sc_fix.hh:686
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Definition: sc_fix.hh:69
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Definition: sc_fxnum.hh:844
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#define DEFN_CTORS_T_A(tp)
Definition: sc_fix.hh:962
ArmISA::a
Bitfield< 8 > a
Definition: miscregs_types.hh:62
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Definition: sc_fix.hh:1186
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Definition: sc_fix.hh:865
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Definition: sc_fxtype_params.hh:70
sc_dt
Definition: sc_bit.cc:67
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friend void b_xor(sc_fix_fast &, const sc_fix_fast &, const sc_fix_fast &)
sc_dt::sc_fxnum::sc_fxnum
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sc_dt::sc_fxnum
Definition: sc_fxnum.hh:483
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Definition: sc_fxnum.hh:3094
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Definition: sc_int_base.hh:494
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Definition: sc_fxnum.cc:706
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friend const sc_fix operator&(const sc_fix &, const sc_fix &)
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Definition: sc_fix.hh:699
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Definition: sc_fix.hh:879
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Definition: sc_fxnum_observer.hh:110
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int64_t int64
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Definition: sc_fxnum.hh:3764
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Definition: sc_fxnum_observer.hh:98
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Definition: sc_fix.hh:238
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Definition: sc_fix.hh:1220
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friend void b_and(sc_fix_fast &, const sc_fix_fast &, const sc_fix_fast &)
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Definition: sc_fxcast_switch.hh:71
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Definition: sc_fxnum.hh:3754
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Definition: sc_fxnum_observer.hh:97
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Definition: sc_fxdefs.hh:91
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sc_dt::sc_fix_fast::operator--
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Definition: sc_fix.hh:1335
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int wl() const
Definition: sc_fxnum.hh:3037
sc_dt::sc_fxnum::operator--
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Definition: sc_fxnum.hh:2812
DEFN_CTORS_T_B
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Definition: sc_fix.hh:1053
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Definition: sc_fxval.hh:376
DEFN_ASN_OP
#define DEFN_ASN_OP(op)
Definition: sc_fix.hh:1263
SC_FXNUM_OBSERVER_READ_
#define SC_FXNUM_OBSERVER_READ_(object)
Definition: sc_fxnum_observer.hh:91
DECL_CTORS_T_A
#define DECL_CTORS_T_A(tp)
Definition: sc_fix.hh:289
sc_fxval
#define sc_fxval
Definition: fx_precision_double.h:65
sc_dt::sc_fxval
Definition: sc_fxval.hh:86
sc_dt::sc_unsigned
Definition: sc_unsigned.hh:890
DEFN_ASN_OP_T
#define DEFN_ASN_OP_T(op, tp)
Definition: sc_fix.hh:1291
sc_dt::sc_uint_base
Definition: sc_uint_base.hh:465
sc_dt::sc_fxnum::get_bit
bool get_bit(int) const
Definition: sc_fxnum.hh:3087
sc_fix
#define sc_fix
Definition: fx_precision_double.h:63
sc_dt::uint64
uint64_t uint64
Definition: sc_nbdefs.hh:172
ArmISA::c
Bitfield< 29 > c
Definition: miscregs_types.hh:50
sc_dt::sc_signed
Definition: sc_signed.hh:984
sc_dt::sc_fix::sc_fix
sc_fix(sc_fxnum_observer *=0)
Definition: sc_fix.hh:408
sc_dt::sc_fxnum::operator++
sc_fxnum & operator++()
Definition: sc_fxnum.hh:2805
sc_dt::sc_fix::operator=
sc_fix & operator=(const sc_fix &)
Definition: sc_fix.hh:771
sc_dt::sc_fix::operator^
friend const sc_fix operator^(const sc_fix &, const sc_fix &)
DECL_ASN_OP_T
#define DECL_ASN_OP_T(op, tp)
Definition: sc_fix.hh:345
sc_dt::sc_fxnum::iwl
int iwl() const
Definition: sc_fxnum.hh:3043
sc_dt::sc_fxnum_fast::iwl
int iwl() const
Definition: sc_fxnum.hh:4014
sc_dt::sc_fix_fast::operator~
const sc_fix_fast operator~() const
Definition: sc_fix.hh:1173
sc_dt::sc_fxnum::cast
void cast()
Definition: sc_fxnum.hh:2176
sc_dt::sc_fxnum::sc_fxval
friend class sc_fxval
Definition: sc_fxnum.hh:485
sc_dt::sc_fix::b_xor
friend void b_xor(sc_fix &, const sc_fix &, const sc_fix &)
sc_dt::sc_fxnum_fast::sc_fxnum_fast
sc_fxnum_fast()
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