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RT-AC56 3.0.0.4.374.37 core
[tomato.git] / release / src-rt-6.x.4708 / toolchains / hndtools-arm-linux-2.6.36-uclibc-4.5.3 / arm-brcm-linux-uclibcgnueabi / include / c++ / 4.5.3 / bits / valarray_after.h
blob070840e34521b4d57e5138435a52a9879546d0ef
1 // The template and inlines for the -*- C++ -*- internal _Meta class.
2
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 // 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16
17 // Under Section 7 of GPL version 3, you are granted additional
18 // permissions described in the GCC Runtime Library Exception, version
19 // 3.1, as published by the Free Software Foundation.
20
21 // You should have received a copy of the GNU General Public License and
22 // a copy of the GCC Runtime Library Exception along with this program;
23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 // <http://www.gnu.org/licenses/>.
25
26 /** @file valarray_after.h
27 * This is an internal header file, included by other library headers.
28 * You should not attempt to use it directly.
29 */
30
31 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
32
33 #ifndef _VALARRAY_AFTER_H
34 #define _VALARRAY_AFTER_H 1
35
36 #pragma GCC system_header
37
38 _GLIBCXX_BEGIN_NAMESPACE(std)
39
40 //
41 // gslice_array closure.
42 //
43 template<class _Dom>
44 class _GBase
45 {
46 public:
47 typedef typename _Dom::value_type value_type;
48
49 _GBase (const _Dom& __e, const valarray<size_t>& __i)
50 : _M_expr (__e), _M_index(__i) {}
51
52 value_type
53 operator[] (size_t __i) const
54 { return _M_expr[_M_index[__i]]; }
55
56 size_t
57 size () const
58 { return _M_index.size(); }
59
60 private:
61 const _Dom& _M_expr;
62 const valarray<size_t>& _M_index;
63 };
64
65 template<typename _Tp>
66 class _GBase<_Array<_Tp> >
67 {
68 public:
69 typedef _Tp value_type;
70
71 _GBase (_Array<_Tp> __a, const valarray<size_t>& __i)
72 : _M_array (__a), _M_index(__i) {}
73
74 value_type
75 operator[] (size_t __i) const
76 { return _M_array._M_data[_M_index[__i]]; }
77
78 size_t
79 size () const
80 { return _M_index.size(); }
81
82 private:
83 const _Array<_Tp> _M_array;
84 const valarray<size_t>& _M_index;
85 };
86
87 template<class _Dom>
88 struct _GClos<_Expr, _Dom>
89 : _GBase<_Dom>
90 {
91 typedef _GBase<_Dom> _Base;
92 typedef typename _Base::value_type value_type;
93
94 _GClos (const _Dom& __e, const valarray<size_t>& __i)
95 : _Base (__e, __i) {}
96 };
97
98 template<typename _Tp>
99 struct _GClos<_ValArray, _Tp>
100 : _GBase<_Array<_Tp> >
101 {
102 typedef _GBase<_Array<_Tp> > _Base;
103 typedef typename _Base::value_type value_type;
104
105 _GClos (_Array<_Tp> __a, const valarray<size_t>& __i)
106 : _Base (__a, __i) {}
107 };
108
109 //
110 // indirect_array closure
111 //
112 template<class _Dom>
113 class _IBase
114 {
115 public:
116 typedef typename _Dom::value_type value_type;
117
118 _IBase (const _Dom& __e, const valarray<size_t>& __i)
119 : _M_expr (__e), _M_index (__i) {}
120
121 value_type
122 operator[] (size_t __i) const
123 { return _M_expr[_M_index[__i]]; }
124
125 size_t
126 size() const
127 { return _M_index.size(); }
128
129 private:
130 const _Dom& _M_expr;
131 const valarray<size_t>& _M_index;
132 };
133
134 template<class _Dom>
135 struct _IClos<_Expr, _Dom>
136 : _IBase<_Dom>
137 {
138 typedef _IBase<_Dom> _Base;
139 typedef typename _Base::value_type value_type;
140
141 _IClos (const _Dom& __e, const valarray<size_t>& __i)
142 : _Base (__e, __i) {}
143 };
144
145 template<typename _Tp>
146 struct _IClos<_ValArray, _Tp>
147 : _IBase<valarray<_Tp> >
148 {
149 typedef _IBase<valarray<_Tp> > _Base;
150 typedef _Tp value_type;
151
152 _IClos (const valarray<_Tp>& __a, const valarray<size_t>& __i)
153 : _Base (__a, __i) {}
154 };
155
156 //
157 // class _Expr
158 //
159 template<class _Clos, typename _Tp>
160 class _Expr
161 {
162 public:
163 typedef _Tp value_type;
164
165 _Expr(const _Clos&);
166
167 const _Clos& operator()() const;
168
169 value_type operator[](size_t) const;
170 valarray<value_type> operator[](slice) const;
171 valarray<value_type> operator[](const gslice&) const;
172 valarray<value_type> operator[](const valarray<bool>&) const;
173 valarray<value_type> operator[](const valarray<size_t>&) const;
174
175 _Expr<_UnClos<__unary_plus, std::_Expr, _Clos>, value_type>
176 operator+() const;
177
178 _Expr<_UnClos<__negate, std::_Expr, _Clos>, value_type>
179 operator-() const;
180
181 _Expr<_UnClos<__bitwise_not, std::_Expr, _Clos>, value_type>
182 operator~() const;
183
184 _Expr<_UnClos<__logical_not, std::_Expr, _Clos>, bool>
185 operator!() const;
186
187 size_t size() const;
188 value_type sum() const;
189
190 valarray<value_type> shift(int) const;
191 valarray<value_type> cshift(int) const;
192
193 value_type min() const;
194 value_type max() const;
195
196 valarray<value_type> apply(value_type (*)(const value_type&)) const;
197 valarray<value_type> apply(value_type (*)(value_type)) const;
198
199 private:
200 const _Clos _M_closure;
201 };
202
203 template<class _Clos, typename _Tp>
204 inline
205 _Expr<_Clos, _Tp>::_Expr(const _Clos& __c) : _M_closure(__c) {}
206
207 template<class _Clos, typename _Tp>
208 inline const _Clos&
209 _Expr<_Clos, _Tp>::operator()() const
210 { return _M_closure; }
211
212 template<class _Clos, typename _Tp>
213 inline _Tp
214 _Expr<_Clos, _Tp>::operator[](size_t __i) const
215 { return _M_closure[__i]; }
216
217 template<class _Clos, typename _Tp>
218 inline valarray<_Tp>
219 _Expr<_Clos, _Tp>::operator[](slice __s) const
220 {
221 valarray<_Tp> __v = valarray<_Tp>(*this)[__s];
222 return __v;
223 }
224
225 template<class _Clos, typename _Tp>
226 inline valarray<_Tp>
227 _Expr<_Clos, _Tp>::operator[](const gslice& __gs) const
228 {
229 valarray<_Tp> __v = valarray<_Tp>(*this)[__gs];
230 return __v;
231 }
232
233 template<class _Clos, typename _Tp>
234 inline valarray<_Tp>
235 _Expr<_Clos, _Tp>::operator[](const valarray<bool>& __m) const
236 {
237 valarray<_Tp> __v = valarray<_Tp>(*this)[__m];
238 return __v;
239 }
240
241 template<class _Clos, typename _Tp>
242 inline valarray<_Tp>
243 _Expr<_Clos, _Tp>::operator[](const valarray<size_t>& __i) const
244 {
245 valarray<_Tp> __v = valarray<_Tp>(*this)[__i];
246 return __v;
247 }
248
249 template<class _Clos, typename _Tp>
250 inline size_t
251 _Expr<_Clos, _Tp>::size() const
252 { return _M_closure.size(); }
253
254 template<class _Clos, typename _Tp>
255 inline valarray<_Tp>
256 _Expr<_Clos, _Tp>::shift(int __n) const
257 {
258 valarray<_Tp> __v = valarray<_Tp>(*this).shift(__n);
259 return __v;
260 }
261
262 template<class _Clos, typename _Tp>
263 inline valarray<_Tp>
264 _Expr<_Clos, _Tp>::cshift(int __n) const
265 {
266 valarray<_Tp> __v = valarray<_Tp>(*this).cshift(__n);
267 return __v;
268 }
269
270 template<class _Clos, typename _Tp>
271 inline valarray<_Tp>
272 _Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const
273 {
274 valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
275 return __v;
276 }
277
278 template<class _Clos, typename _Tp>
279 inline valarray<_Tp>
280 _Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const
281 {
282 valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
283 return __v;
284 }
285
286 // XXX: replace this with a more robust summation algorithm.
287 template<class _Clos, typename _Tp>
288 inline _Tp
289 _Expr<_Clos, _Tp>::sum() const
290 {
291 size_t __n = _M_closure.size();
292 if (__n == 0)
293 return _Tp();
294 else
295 {
296 _Tp __s = _M_closure[--__n];
297 while (__n != 0)
298 __s += _M_closure[--__n];
299 return __s;
300 }
301 }
302
303 template<class _Clos, typename _Tp>
304 inline _Tp
305 _Expr<_Clos, _Tp>::min() const
306 { return __valarray_min(_M_closure); }
307
308 template<class _Clos, typename _Tp>
309 inline _Tp
310 _Expr<_Clos, _Tp>::max() const
311 { return __valarray_max(_M_closure); }
312
313 template<class _Dom, typename _Tp>
314 inline _Expr<_UnClos<__logical_not, _Expr, _Dom>, bool>
315 _Expr<_Dom, _Tp>::operator!() const
316 {
317 typedef _UnClos<__logical_not, std::_Expr, _Dom> _Closure;
318 return _Expr<_Closure, bool>(_Closure(this->_M_closure));
319 }
320
321 #define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name) \
322 template<class _Dom, typename _Tp> \
323 inline _Expr<_UnClos<_Name, std::_Expr, _Dom>, _Tp> \
324 _Expr<_Dom, _Tp>::operator _Op() const \
325 { \
326 typedef _UnClos<_Name, std::_Expr, _Dom> _Closure; \
327 return _Expr<_Closure, _Tp>(_Closure(this->_M_closure)); \
328 }
329
330 _DEFINE_EXPR_UNARY_OPERATOR(+, __unary_plus)
331 _DEFINE_EXPR_UNARY_OPERATOR(-, __negate)
332 _DEFINE_EXPR_UNARY_OPERATOR(~, __bitwise_not)
333
334 #undef _DEFINE_EXPR_UNARY_OPERATOR
335
336 #define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name) \
337 template<class _Dom1, class _Dom2> \
338 inline _Expr<_BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2>, \
339 typename __fun<_Name, typename _Dom1::value_type>::result_type> \
340 operator _Op(const _Expr<_Dom1, typename _Dom1::value_type>& __v, \
341 const _Expr<_Dom2, typename _Dom2::value_type>& __w) \
342 { \
343 typedef typename _Dom1::value_type _Arg; \
344 typedef typename __fun<_Name, _Arg>::result_type _Value; \
345 typedef _BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2> _Closure; \
346 return _Expr<_Closure, _Value>(_Closure(__v(), __w())); \
347 } \
348 \
349 template<class _Dom> \
350 inline _Expr<_BinClos<_Name, _Expr, _Constant, _Dom, \
351 typename _Dom::value_type>, \
352 typename __fun<_Name, typename _Dom::value_type>::result_type> \
353 operator _Op(const _Expr<_Dom, typename _Dom::value_type>& __v, \
354 const typename _Dom::value_type& __t) \
355 { \
356 typedef typename _Dom::value_type _Arg; \
357 typedef typename __fun<_Name, _Arg>::result_type _Value; \
358 typedef _BinClos<_Name, _Expr, _Constant, _Dom, _Arg> _Closure; \
359 return _Expr<_Closure, _Value>(_Closure(__v(), __t)); \
360 } \
361 \
362 template<class _Dom> \
363 inline _Expr<_BinClos<_Name, _Constant, _Expr, \
364 typename _Dom::value_type, _Dom>, \
365 typename __fun<_Name, typename _Dom::value_type>::result_type> \
366 operator _Op(const typename _Dom::value_type& __t, \
367 const _Expr<_Dom, typename _Dom::value_type>& __v) \
368 { \
369 typedef typename _Dom::value_type _Arg; \
370 typedef typename __fun<_Name, _Arg>::result_type _Value; \
371 typedef _BinClos<_Name, _Constant, _Expr, _Arg, _Dom> _Closure; \
372 return _Expr<_Closure, _Value>(_Closure(__t, __v())); \
373 } \
374 \
375 template<class _Dom> \
376 inline _Expr<_BinClos<_Name, _Expr, _ValArray, \
377 _Dom, typename _Dom::value_type>, \
378 typename __fun<_Name, typename _Dom::value_type>::result_type> \
379 operator _Op(const _Expr<_Dom,typename _Dom::value_type>& __e, \
380 const valarray<typename _Dom::value_type>& __v) \
381 { \
382 typedef typename _Dom::value_type _Arg; \
383 typedef typename __fun<_Name, _Arg>::result_type _Value; \
384 typedef _BinClos<_Name, _Expr, _ValArray, _Dom, _Arg> _Closure; \
385 return _Expr<_Closure, _Value>(_Closure(__e(), __v)); \
386 } \
387 \
388 template<class _Dom> \
389 inline _Expr<_BinClos<_Name, _ValArray, _Expr, \
390 typename _Dom::value_type, _Dom>, \
391 typename __fun<_Name, typename _Dom::value_type>::result_type> \
392 operator _Op(const valarray<typename _Dom::value_type>& __v, \
393 const _Expr<_Dom, typename _Dom::value_type>& __e) \
394 { \
395 typedef typename _Dom::value_type _Tp; \
396 typedef typename __fun<_Name, _Tp>::result_type _Value; \
397 typedef _BinClos<_Name, _ValArray, _Expr, _Tp, _Dom> _Closure; \
398 return _Expr<_Closure, _Value>(_Closure(__v, __e ())); \
399 }
400
401 _DEFINE_EXPR_BINARY_OPERATOR(+, __plus)
402 _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
403 _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
404 _DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
405 _DEFINE_EXPR_BINARY_OPERATOR(%, __modulus)
406 _DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
407 _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
408 _DEFINE_EXPR_BINARY_OPERATOR(|, __bitwise_or)
409 _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
410 _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
411 _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and)
412 _DEFINE_EXPR_BINARY_OPERATOR(||, __logical_or)
413 _DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to)
414 _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
415 _DEFINE_EXPR_BINARY_OPERATOR(<, __less)
416 _DEFINE_EXPR_BINARY_OPERATOR(>, __greater)
417 _DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal)
418 _DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal)
419
420 #undef _DEFINE_EXPR_BINARY_OPERATOR
421
422 #define _DEFINE_EXPR_UNARY_FUNCTION(_Name, _UName) \
423 template<class _Dom> \
424 inline _Expr<_UnClos<_UName, _Expr, _Dom>, \
425 typename _Dom::value_type> \
426 _Name(const _Expr<_Dom, typename _Dom::value_type>& __e) \
427 { \
428 typedef typename _Dom::value_type _Tp; \
429 typedef _UnClos<_UName, _Expr, _Dom> _Closure; \
430 return _Expr<_Closure, _Tp>(_Closure(__e())); \
431 } \
432 \
433 template<typename _Tp> \
434 inline _Expr<_UnClos<_UName, _ValArray, _Tp>, _Tp> \
435 _Name(const valarray<_Tp>& __v) \
436 { \
437 typedef _UnClos<_UName, _ValArray, _Tp> _Closure; \
438 return _Expr<_Closure, _Tp>(_Closure(__v)); \
439 }
440
441 _DEFINE_EXPR_UNARY_FUNCTION(abs, _Abs)
442 _DEFINE_EXPR_UNARY_FUNCTION(cos, _Cos)
443 _DEFINE_EXPR_UNARY_FUNCTION(acos, _Acos)
444 _DEFINE_EXPR_UNARY_FUNCTION(cosh, _Cosh)
445 _DEFINE_EXPR_UNARY_FUNCTION(sin, _Sin)
446 _DEFINE_EXPR_UNARY_FUNCTION(asin, _Asin)
447 _DEFINE_EXPR_UNARY_FUNCTION(sinh, _Sinh)
448 _DEFINE_EXPR_UNARY_FUNCTION(tan, _Tan)
449 _DEFINE_EXPR_UNARY_FUNCTION(tanh, _Tanh)
450 _DEFINE_EXPR_UNARY_FUNCTION(atan, _Atan)
451 _DEFINE_EXPR_UNARY_FUNCTION(exp, _Exp)
452 _DEFINE_EXPR_UNARY_FUNCTION(log, _Log)
453 _DEFINE_EXPR_UNARY_FUNCTION(log10, _Log10)
454 _DEFINE_EXPR_UNARY_FUNCTION(sqrt, _Sqrt)
455
456 #undef _DEFINE_EXPR_UNARY_FUNCTION
457
458 #define _DEFINE_EXPR_BINARY_FUNCTION(_Fun, _UFun) \
459 template<class _Dom1, class _Dom2> \
460 inline _Expr<_BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2>, \
461 typename _Dom1::value_type> \
462 _Fun(const _Expr<_Dom1, typename _Dom1::value_type>& __e1, \
463 const _Expr<_Dom2, typename _Dom2::value_type>& __e2) \
464 { \
465 typedef typename _Dom1::value_type _Tp; \
466 typedef _BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2> _Closure; \
467 return _Expr<_Closure, _Tp>(_Closure(__e1(), __e2())); \
468 } \
469 \
470 template<class _Dom> \
471 inline _Expr<_BinClos<_UFun, _Expr, _ValArray, _Dom, \
472 typename _Dom::value_type>, \
473 typename _Dom::value_type> \
474 _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e, \
475 const valarray<typename _Dom::value_type>& __v) \
476 { \
477 typedef typename _Dom::value_type _Tp; \
478 typedef _BinClos<_UFun, _Expr, _ValArray, _Dom, _Tp> _Closure; \
479 return _Expr<_Closure, _Tp>(_Closure(__e(), __v)); \
480 } \
481 \
482 template<class _Dom> \
483 inline _Expr<_BinClos<_UFun, _ValArray, _Expr, \
484 typename _Dom::value_type, _Dom>, \
485 typename _Dom::value_type> \
486 _Fun(const valarray<typename _Dom::valarray>& __v, \
487 const _Expr<_Dom, typename _Dom::value_type>& __e) \
488 { \
489 typedef typename _Dom::value_type _Tp; \
490 typedef _BinClos<_UFun, _ValArray, _Expr, _Tp, _Dom> _Closure; \
491 return _Expr<_Closure, _Tp>(_Closure(__v, __e())); \
492 } \
493 \
494 template<class _Dom> \
495 inline _Expr<_BinClos<_UFun, _Expr, _Constant, _Dom, \
496 typename _Dom::value_type>, \
497 typename _Dom::value_type> \
498 _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e, \
499 const typename _Dom::value_type& __t) \
500 { \
501 typedef typename _Dom::value_type _Tp; \
502 typedef _BinClos<_UFun, _Expr, _Constant, _Dom, _Tp> _Closure; \
503 return _Expr<_Closure, _Tp>(_Closure(__e(), __t)); \
504 } \
505 \
506 template<class _Dom> \
507 inline _Expr<_BinClos<_UFun, _Constant, _Expr, \
508 typename _Dom::value_type, _Dom>, \
509 typename _Dom::value_type> \
510 _Fun(const typename _Dom::value_type& __t, \
511 const _Expr<_Dom, typename _Dom::value_type>& __e) \
512 { \
513 typedef typename _Dom::value_type _Tp; \
514 typedef _BinClos<_UFun, _Constant, _Expr, _Tp, _Dom> _Closure; \
515 return _Expr<_Closure, _Tp>(_Closure(__t, __e())); \
516 } \
517 \
518 template<typename _Tp> \
519 inline _Expr<_BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp>, _Tp> \
520 _Fun(const valarray<_Tp>& __v, const valarray<_Tp>& __w) \
521 { \
522 typedef _BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp> _Closure;\
523 return _Expr<_Closure, _Tp>(_Closure(__v, __w)); \
524 } \
525 \
526 template<typename _Tp> \
527 inline _Expr<_BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp>, _Tp> \
528 _Fun(const valarray<_Tp>& __v, const _Tp& __t) \
529 { \
530 typedef _BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp> _Closure;\
531 return _Expr<_Closure, _Tp>(_Closure(__v, __t)); \
532 } \
533 \
534 template<typename _Tp> \
535 inline _Expr<_BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp>, _Tp> \
536 _Fun(const _Tp& __t, const valarray<_Tp>& __v) \
537 { \
538 typedef _BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp> _Closure;\
539 return _Expr<_Closure, _Tp>(_Closure(__t, __v)); \
540 }
541
542 _DEFINE_EXPR_BINARY_FUNCTION(atan2, _Atan2)
543 _DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
544
545 #undef _DEFINE_EXPR_BINARY_FUNCTION
546
547 _GLIBCXX_END_NAMESPACE
548
549 #endif /* _CPP_VALARRAY_AFTER_H */
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