1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
|
// The template and inlines for the -*- C++ -*- internal _Meta class.
// Copyright (C) 1997-2017 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/valarray_after.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{valarray}
*/
// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
#ifndef _VALARRAY_AFTER_H
#define _VALARRAY_AFTER_H 1
#pragma GCC system_header
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
//
// gslice_array closure.
//
template<class _Dom>
class _GBase
{
public:
typedef typename _Dom::value_type value_type;
_GBase (const _Dom& __e, const valarray<size_t>& __i)
: _M_expr (__e), _M_index(__i) {}
value_type
operator[] (size_t __i) const
{ return _M_expr[_M_index[__i]]; }
size_t
size () const
{ return _M_index.size(); }
private:
const _Dom& _M_expr;
const valarray<size_t>& _M_index;
};
template<typename _Tp>
class _GBase<_Array<_Tp> >
{
public:
typedef _Tp value_type;
_GBase (_Array<_Tp> __a, const valarray<size_t>& __i)
: _M_array (__a), _M_index(__i) {}
value_type
operator[] (size_t __i) const
{ return _M_array._M_data[_M_index[__i]]; }
size_t
size () const
{ return _M_index.size(); }
private:
const _Array<_Tp> _M_array;
const valarray<size_t>& _M_index;
};
template<class _Dom>
struct _GClos<_Expr, _Dom>
: _GBase<_Dom>
{
typedef _GBase<_Dom> _Base;
typedef typename _Base::value_type value_type;
_GClos (const _Dom& __e, const valarray<size_t>& __i)
: _Base (__e, __i) {}
};
template<typename _Tp>
struct _GClos<_ValArray, _Tp>
: _GBase<_Array<_Tp> >
{
typedef _GBase<_Array<_Tp> > _Base;
typedef typename _Base::value_type value_type;
_GClos (_Array<_Tp> __a, const valarray<size_t>& __i)
: _Base (__a, __i) {}
};
//
// indirect_array closure
//
template<class _Dom>
class _IBase
{
public:
typedef typename _Dom::value_type value_type;
_IBase (const _Dom& __e, const valarray<size_t>& __i)
: _M_expr (__e), _M_index (__i) {}
value_type
operator[] (size_t __i) const
{ return _M_expr[_M_index[__i]]; }
size_t
size() const
{ return _M_index.size(); }
private:
const _Dom& _M_expr;
const valarray<size_t>& _M_index;
};
template<class _Dom>
struct _IClos<_Expr, _Dom>
: _IBase<_Dom>
{
typedef _IBase<_Dom> _Base;
typedef typename _Base::value_type value_type;
_IClos (const _Dom& __e, const valarray<size_t>& __i)
: _Base (__e, __i) {}
};
template<typename _Tp>
struct _IClos<_ValArray, _Tp>
: _IBase<valarray<_Tp> >
{
typedef _IBase<valarray<_Tp> > _Base;
typedef _Tp value_type;
_IClos (const valarray<_Tp>& __a, const valarray<size_t>& __i)
: _Base (__a, __i) {}
};
//
// class _Expr
//
template<class _Clos, typename _Tp>
class _Expr
{
public:
typedef _Tp value_type;
_Expr(const _Clos&);
const _Clos& operator()() const;
value_type operator[](size_t) const;
valarray<value_type> operator[](slice) const;
valarray<value_type> operator[](const gslice&) const;
valarray<value_type> operator[](const valarray<bool>&) const;
valarray<value_type> operator[](const valarray<size_t>&) const;
_Expr<_UnClos<__unary_plus, std::_Expr, _Clos>, value_type>
operator+() const;
_Expr<_UnClos<__negate, std::_Expr, _Clos>, value_type>
operator-() const;
_Expr<_UnClos<__bitwise_not, std::_Expr, _Clos>, value_type>
operator~() const;
_Expr<_UnClos<__logical_not, std::_Expr, _Clos>, bool>
operator!() const;
size_t size() const;
value_type sum() const;
valarray<value_type> shift(int) const;
valarray<value_type> cshift(int) const;
value_type min() const;
value_type max() const;
valarray<value_type> apply(value_type (*)(const value_type&)) const;
valarray<value_type> apply(value_type (*)(value_type)) const;
private:
const _Clos _M_closure;
};
template<class _Clos, typename _Tp>
inline
_Expr<_Clos, _Tp>::_Expr(const _Clos& __c) : _M_closure(__c) {}
template<class _Clos, typename _Tp>
inline const _Clos&
_Expr<_Clos, _Tp>::operator()() const
{ return _M_closure; }
template<class _Clos, typename _Tp>
inline _Tp
_Expr<_Clos, _Tp>::operator[](size_t __i) const
{ return _M_closure[__i]; }
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::operator[](slice __s) const
{
valarray<_Tp> __v = valarray<_Tp>(*this)[__s];
return __v;
}
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::operator[](const gslice& __gs) const
{
valarray<_Tp> __v = valarray<_Tp>(*this)[__gs];
return __v;
}
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::operator[](const valarray<bool>& __m) const
{
valarray<_Tp> __v = valarray<_Tp>(*this)[__m];
return __v;
}
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::operator[](const valarray<size_t>& __i) const
{
valarray<_Tp> __v = valarray<_Tp>(*this)[__i];
return __v;
}
template<class _Clos, typename _Tp>
inline size_t
_Expr<_Clos, _Tp>::size() const
{ return _M_closure.size(); }
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::shift(int __n) const
{
valarray<_Tp> __v = valarray<_Tp>(*this).shift(__n);
return __v;
}
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::cshift(int __n) const
{
valarray<_Tp> __v = valarray<_Tp>(*this).cshift(__n);
return __v;
}
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const
{
valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
return __v;
}
template<class _Clos, typename _Tp>
inline valarray<_Tp>
_Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const
{
valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
return __v;
}
// XXX: replace this with a more robust summation algorithm.
template<class _Clos, typename _Tp>
inline _Tp
_Expr<_Clos, _Tp>::sum() const
{
size_t __n = _M_closure.size();
if (__n == 0)
return _Tp();
else
{
_Tp __s = _M_closure[--__n];
while (__n != 0)
__s += _M_closure[--__n];
return __s;
}
}
template<class _Clos, typename _Tp>
inline _Tp
_Expr<_Clos, _Tp>::min() const
{ return __valarray_min(_M_closure); }
template<class _Clos, typename _Tp>
inline _Tp
_Expr<_Clos, _Tp>::max() const
{ return __valarray_max(_M_closure); }
template<class _Dom, typename _Tp>
inline _Expr<_UnClos<__logical_not, _Expr, _Dom>, bool>
_Expr<_Dom, _Tp>::operator!() const
{
typedef _UnClos<__logical_not, std::_Expr, _Dom> _Closure;
return _Expr<_Closure, bool>(_Closure(this->_M_closure));
}
#define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name) \
template<class _Dom, typename _Tp> \
inline _Expr<_UnClos<_Name, std::_Expr, _Dom>, _Tp> \
_Expr<_Dom, _Tp>::operator _Op() const \
{ \
typedef _UnClos<_Name, std::_Expr, _Dom> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(this->_M_closure)); \
}
_DEFINE_EXPR_UNARY_OPERATOR(+, __unary_plus)
_DEFINE_EXPR_UNARY_OPERATOR(-, __negate)
_DEFINE_EXPR_UNARY_OPERATOR(~, __bitwise_not)
#undef _DEFINE_EXPR_UNARY_OPERATOR
#define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name) \
template<class _Dom1, class _Dom2> \
inline _Expr<_BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2>, \
typename __fun<_Name, typename _Dom1::value_type>::result_type> \
operator _Op(const _Expr<_Dom1, typename _Dom1::value_type>& __v, \
const _Expr<_Dom2, typename _Dom2::value_type>& __w) \
{ \
typedef typename _Dom1::value_type _Arg; \
typedef typename __fun<_Name, _Arg>::result_type _Value; \
typedef _BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2> _Closure; \
return _Expr<_Closure, _Value>(_Closure(__v(), __w())); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_Name, _Expr, _Constant, _Dom, \
typename _Dom::value_type>, \
typename __fun<_Name, typename _Dom::value_type>::result_type> \
operator _Op(const _Expr<_Dom, typename _Dom::value_type>& __v, \
const typename _Dom::value_type& __t) \
{ \
typedef typename _Dom::value_type _Arg; \
typedef typename __fun<_Name, _Arg>::result_type _Value; \
typedef _BinClos<_Name, _Expr, _Constant, _Dom, _Arg> _Closure; \
return _Expr<_Closure, _Value>(_Closure(__v(), __t)); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_Name, _Constant, _Expr, \
typename _Dom::value_type, _Dom>, \
typename __fun<_Name, typename _Dom::value_type>::result_type> \
operator _Op(const typename _Dom::value_type& __t, \
const _Expr<_Dom, typename _Dom::value_type>& __v) \
{ \
typedef typename _Dom::value_type _Arg; \
typedef typename __fun<_Name, _Arg>::result_type _Value; \
typedef _BinClos<_Name, _Constant, _Expr, _Arg, _Dom> _Closure; \
return _Expr<_Closure, _Value>(_Closure(__t, __v())); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_Name, _Expr, _ValArray, \
_Dom, typename _Dom::value_type>, \
typename __fun<_Name, typename _Dom::value_type>::result_type> \
operator _Op(const _Expr<_Dom,typename _Dom::value_type>& __e, \
const valarray<typename _Dom::value_type>& __v) \
{ \
typedef typename _Dom::value_type _Arg; \
typedef typename __fun<_Name, _Arg>::result_type _Value; \
typedef _BinClos<_Name, _Expr, _ValArray, _Dom, _Arg> _Closure; \
return _Expr<_Closure, _Value>(_Closure(__e(), __v)); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_Name, _ValArray, _Expr, \
typename _Dom::value_type, _Dom>, \
typename __fun<_Name, typename _Dom::value_type>::result_type> \
operator _Op(const valarray<typename _Dom::value_type>& __v, \
const _Expr<_Dom, typename _Dom::value_type>& __e) \
{ \
typedef typename _Dom::value_type _Tp; \
typedef typename __fun<_Name, _Tp>::result_type _Value; \
typedef _BinClos<_Name, _ValArray, _Expr, _Tp, _Dom> _Closure; \
return _Expr<_Closure, _Value>(_Closure(__v, __e ())); \
}
_DEFINE_EXPR_BINARY_OPERATOR(+, __plus)
_DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
_DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
_DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
_DEFINE_EXPR_BINARY_OPERATOR(%, __modulus)
_DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
_DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
_DEFINE_EXPR_BINARY_OPERATOR(|, __bitwise_or)
_DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
_DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
_DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and)
_DEFINE_EXPR_BINARY_OPERATOR(||, __logical_or)
_DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to)
_DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
_DEFINE_EXPR_BINARY_OPERATOR(<, __less)
_DEFINE_EXPR_BINARY_OPERATOR(>, __greater)
_DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal)
_DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal)
#undef _DEFINE_EXPR_BINARY_OPERATOR
#define _DEFINE_EXPR_UNARY_FUNCTION(_Name, _UName) \
template<class _Dom> \
inline _Expr<_UnClos<_UName, _Expr, _Dom>, \
typename _Dom::value_type> \
_Name(const _Expr<_Dom, typename _Dom::value_type>& __e) \
{ \
typedef typename _Dom::value_type _Tp; \
typedef _UnClos<_UName, _Expr, _Dom> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(__e())); \
} \
\
template<typename _Tp> \
inline _Expr<_UnClos<_UName, _ValArray, _Tp>, _Tp> \
_Name(const valarray<_Tp>& __v) \
{ \
typedef _UnClos<_UName, _ValArray, _Tp> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(__v)); \
}
_DEFINE_EXPR_UNARY_FUNCTION(abs, _Abs)
_DEFINE_EXPR_UNARY_FUNCTION(cos, _Cos)
_DEFINE_EXPR_UNARY_FUNCTION(acos, _Acos)
_DEFINE_EXPR_UNARY_FUNCTION(cosh, _Cosh)
_DEFINE_EXPR_UNARY_FUNCTION(sin, _Sin)
_DEFINE_EXPR_UNARY_FUNCTION(asin, _Asin)
_DEFINE_EXPR_UNARY_FUNCTION(sinh, _Sinh)
_DEFINE_EXPR_UNARY_FUNCTION(tan, _Tan)
_DEFINE_EXPR_UNARY_FUNCTION(tanh, _Tanh)
_DEFINE_EXPR_UNARY_FUNCTION(atan, _Atan)
_DEFINE_EXPR_UNARY_FUNCTION(exp, _Exp)
_DEFINE_EXPR_UNARY_FUNCTION(log, _Log)
_DEFINE_EXPR_UNARY_FUNCTION(log10, _Log10)
_DEFINE_EXPR_UNARY_FUNCTION(sqrt, _Sqrt)
#undef _DEFINE_EXPR_UNARY_FUNCTION
#define _DEFINE_EXPR_BINARY_FUNCTION(_Fun, _UFun) \
template<class _Dom1, class _Dom2> \
inline _Expr<_BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2>, \
typename _Dom1::value_type> \
_Fun(const _Expr<_Dom1, typename _Dom1::value_type>& __e1, \
const _Expr<_Dom2, typename _Dom2::value_type>& __e2) \
{ \
typedef typename _Dom1::value_type _Tp; \
typedef _BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(__e1(), __e2())); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_UFun, _Expr, _ValArray, _Dom, \
typename _Dom::value_type>, \
typename _Dom::value_type> \
_Fun(const _Expr<_Dom, typename _Dom::value_type>& __e, \
const valarray<typename _Dom::value_type>& __v) \
{ \
typedef typename _Dom::value_type _Tp; \
typedef _BinClos<_UFun, _Expr, _ValArray, _Dom, _Tp> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(__e(), __v)); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_UFun, _ValArray, _Expr, \
typename _Dom::value_type, _Dom>, \
typename _Dom::value_type> \
_Fun(const valarray<typename _Dom::valarray>& __v, \
const _Expr<_Dom, typename _Dom::value_type>& __e) \
{ \
typedef typename _Dom::value_type _Tp; \
typedef _BinClos<_UFun, _ValArray, _Expr, _Tp, _Dom> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(__v, __e())); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_UFun, _Expr, _Constant, _Dom, \
typename _Dom::value_type>, \
typename _Dom::value_type> \
_Fun(const _Expr<_Dom, typename _Dom::value_type>& __e, \
const typename _Dom::value_type& __t) \
{ \
typedef typename _Dom::value_type _Tp; \
typedef _BinClos<_UFun, _Expr, _Constant, _Dom, _Tp> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(__e(), __t)); \
} \
\
template<class _Dom> \
inline _Expr<_BinClos<_UFun, _Constant, _Expr, \
typename _Dom::value_type, _Dom>, \
typename _Dom::value_type> \
_Fun(const typename _Dom::value_type& __t, \
const _Expr<_Dom, typename _Dom::value_type>& __e) \
{ \
typedef typename _Dom::value_type _Tp; \
typedef _BinClos<_UFun, _Constant, _Expr, _Tp, _Dom> _Closure; \
return _Expr<_Closure, _Tp>(_Closure(__t, __e())); \
} \
\
template<typename _Tp> \
inline _Expr<_BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp>, _Tp> \
_Fun(const valarray<_Tp>& __v, const valarray<_Tp>& __w) \
{ \
typedef _BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp> _Closure;\
return _Expr<_Closure, _Tp>(_Closure(__v, __w)); \
} \
\
template<typename _Tp> \
inline _Expr<_BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp>, _Tp> \
_Fun(const valarray<_Tp>& __v, const _Tp& __t) \
{ \
typedef _BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp> _Closure;\
return _Expr<_Closure, _Tp>(_Closure(__v, __t)); \
} \
\
template<typename _Tp> \
inline _Expr<_BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp>, _Tp> \
_Fun(const _Tp& __t, const valarray<_Tp>& __v) \
{ \
typedef _BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp> _Closure;\
return _Expr<_Closure, _Tp>(_Closure(__t, __v)); \
}
_DEFINE_EXPR_BINARY_FUNCTION(atan2, _Atan2)
_DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
#undef _DEFINE_EXPR_BINARY_FUNCTION
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif /* _CPP_VALARRAY_AFTER_H */
|
