comparison armadillo-2.4.4/include/armadillo_bits/Mat_bones.hpp @ 0:8b6102e2a9b0

Armadillo Library
author maxzanoni76 <max.zanoni@eecs.qmul.ac.uk>
date Wed, 11 Apr 2012 09:27:06 +0100
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1 // Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
2 // Copyright (C) 2008-2011 Conrad Sanderson
3 //
4 // This file is part of the Armadillo C++ library.
5 // It is provided without any warranty of fitness
6 // for any purpose. You can redistribute this file
7 // and/or modify it under the terms of the GNU
8 // Lesser General Public License (LGPL) as published
9 // by the Free Software Foundation, either version 3
10 // of the License or (at your option) any later version.
11 // (see http://www.opensource.org/licenses for more info)
12
13
14 //! \addtogroup Mat
15 //! @{
16
17
18
19 //! Dense matrix class
20
21 template<typename eT>
22 class Mat : public Base< eT, Mat<eT> >
23 {
24 public:
25
26 typedef eT elem_type; //!< the type of elements stored in the matrix
27 typedef typename get_pod_type<eT>::result pod_type; //!< if eT is non-complex, pod_type is same as eT. otherwise, pod_type is the underlying type used by std::complex
28
29 const uword n_rows; //!< number of rows in the matrix (read-only)
30 const uword n_cols; //!< number of columns in the matrix (read-only)
31 const uword n_elem; //!< number of elements in the matrix (read-only)
32 const uhword vec_state; //!< 0: matrix layout; 1: column vector layout; 2: row vector layout
33 const uhword mem_state;
34
35 // mem_state = 0: normal matrix that can be resized;
36 // mem_state = 1: use auxiliary memory until change in the number of elements is requested;
37 // mem_state = 2: use auxiliary memory and don't allow the number of elements to be changed;
38 // mem_state = 3: fixed size (e.g. via template based size specification).
39
40 arma_aligned const eT* const mem; //!< pointer to the memory used by the matrix (memory is read-only)
41
42 protected:
43 arma_aligned eT mem_local[ arma_config::mat_prealloc ];
44
45
46 public:
47
48 inline ~Mat();
49 inline Mat();
50
51 inline Mat(const uword in_rows, const uword in_cols);
52
53 inline Mat(const char* text);
54 inline const Mat& operator=(const char* text);
55
56 inline Mat(const std::string& text);
57 inline const Mat& operator=(const std::string& text);
58
59 #if defined(ARMA_USE_CXX11)
60 inline Mat(const std::initializer_list<eT>& list);
61 inline const Mat& operator=(const std::initializer_list<eT>& list);
62 #endif
63
64 inline Mat( eT* aux_mem, const uword aux_n_rows, const uword aux_n_cols, const bool copy_aux_mem = true, const bool strict = true);
65 inline Mat(const eT* aux_mem, const uword aux_n_rows, const uword aux_n_cols);
66
67 arma_inline const Mat& operator=(const eT val);
68 arma_inline const Mat& operator+=(const eT val);
69 arma_inline const Mat& operator-=(const eT val);
70 arma_inline const Mat& operator*=(const eT val);
71 arma_inline const Mat& operator/=(const eT val);
72
73 inline Mat(const Mat& m);
74 inline const Mat& operator=(const Mat& m);
75 inline const Mat& operator+=(const Mat& m);
76 inline const Mat& operator-=(const Mat& m);
77 inline const Mat& operator*=(const Mat& m);
78 inline const Mat& operator%=(const Mat& m);
79 inline const Mat& operator/=(const Mat& m);
80
81 template<typename T1> inline Mat(const BaseCube<eT,T1>& X);
82 template<typename T1> inline const Mat& operator=(const BaseCube<eT,T1>& X);
83 template<typename T1> inline const Mat& operator+=(const BaseCube<eT,T1>& X);
84 template<typename T1> inline const Mat& operator-=(const BaseCube<eT,T1>& X);
85 template<typename T1> inline const Mat& operator*=(const BaseCube<eT,T1>& X);
86 template<typename T1> inline const Mat& operator%=(const BaseCube<eT,T1>& X);
87 template<typename T1> inline const Mat& operator/=(const BaseCube<eT,T1>& X);
88
89 template<typename T1, typename T2>
90 inline explicit Mat(const Base<pod_type,T1>& A, const Base<pod_type,T2>& B);
91
92 inline Mat(const subview<eT>& X);
93 inline const Mat& operator=(const subview<eT>& X);
94 inline const Mat& operator+=(const subview<eT>& X);
95 inline const Mat& operator-=(const subview<eT>& X);
96 inline const Mat& operator*=(const subview<eT>& X);
97 inline const Mat& operator%=(const subview<eT>& X);
98 inline const Mat& operator/=(const subview<eT>& X);
99
100 //inline explicit Mat(const subview_cube<eT>& X);
101 inline Mat(const subview_cube<eT>& X);
102 inline const Mat& operator=(const subview_cube<eT>& X);
103 inline const Mat& operator+=(const subview_cube<eT>& X);
104 inline const Mat& operator-=(const subview_cube<eT>& X);
105 inline const Mat& operator*=(const subview_cube<eT>& X);
106 inline const Mat& operator%=(const subview_cube<eT>& X);
107 inline const Mat& operator/=(const subview_cube<eT>& X);
108
109 //inline explicit Mat(const diagview<eT>& X);
110 inline Mat(const diagview<eT>& X);
111 inline const Mat& operator=(const diagview<eT>& X);
112 inline const Mat& operator+=(const diagview<eT>& X);
113 inline const Mat& operator-=(const diagview<eT>& X);
114 inline const Mat& operator*=(const diagview<eT>& X);
115 inline const Mat& operator%=(const diagview<eT>& X);
116 inline const Mat& operator/=(const diagview<eT>& X);
117
118 template<typename T1> inline Mat(const subview_elem1<eT,T1>& X);
119 template<typename T1> inline const Mat& operator= (const subview_elem1<eT,T1>& X);
120 template<typename T1> inline const Mat& operator+=(const subview_elem1<eT,T1>& X);
121 template<typename T1> inline const Mat& operator-=(const subview_elem1<eT,T1>& X);
122 template<typename T1> inline const Mat& operator*=(const subview_elem1<eT,T1>& X);
123 template<typename T1> inline const Mat& operator%=(const subview_elem1<eT,T1>& X);
124 template<typename T1> inline const Mat& operator/=(const subview_elem1<eT,T1>& X);
125
126
127 inline mat_injector<Mat> operator<<(const eT val);
128 inline mat_injector<Mat> operator<<(const injector_end_of_row& x);
129
130
131 arma_inline subview_row<eT> row(const uword row_num);
132 arma_inline const subview_row<eT> row(const uword row_num) const;
133
134 inline subview_row<eT> operator()(const uword row_num, const span& col_span);
135 inline const subview_row<eT> operator()(const uword row_num, const span& col_span) const;
136
137
138 arma_inline subview_col<eT> col(const uword col_num);
139 arma_inline const subview_col<eT> col(const uword col_num) const;
140
141 inline subview_col<eT> operator()(const span& row_span, const uword col_num);
142 inline const subview_col<eT> operator()(const span& row_span, const uword col_num) const;
143
144 inline Col<eT> unsafe_col(const uword col_num);
145 inline const Col<eT> unsafe_col(const uword col_num) const;
146
147
148 arma_inline subview<eT> rows(const uword in_row1, const uword in_row2);
149 arma_inline const subview<eT> rows(const uword in_row1, const uword in_row2) const;
150
151 arma_inline subview<eT> cols(const uword in_col1, const uword in_col2);
152 arma_inline const subview<eT> cols(const uword in_col1, const uword in_col2) const;
153
154 arma_inline subview<eT> submat(const uword in_row1, const uword in_col1, const uword in_row2, const uword in_col2);
155 arma_inline const subview<eT> submat(const uword in_row1, const uword in_col1, const uword in_row2, const uword in_col2) const;
156
157
158 inline subview<eT> submat (const span& row_span, const span& col_span);
159 inline const subview<eT> submat (const span& row_span, const span& col_span) const;
160
161 inline subview<eT> operator()(const span& row_span, const span& col_span);
162 inline const subview<eT> operator()(const span& row_span, const span& col_span) const;
163
164
165 template<typename T1> arma_inline subview_elem1<eT,T1> elem(const Base<uword,T1>& a);
166 template<typename T1> arma_inline const subview_elem1<eT,T1> elem(const Base<uword,T1>& a) const;
167
168 // template<typename T1, typename T2> arma_inline subview_elem2<eT,T1,T2> submat(const Base<uword,T1>& a, const Base<uword,T2>& b);
169 // template<typename T1, typename T2> arma_inline const subview_elem2<eT,T1,T2> submat(const Base<uword,T1>& a, const Base<uword,T2>& b) const;
170
171
172 arma_inline diagview<eT> diag(const sword in_id = 0);
173 arma_inline const diagview<eT> diag(const sword in_id = 0) const;
174
175
176 inline void swap_rows(const uword in_row1, const uword in_row2);
177 inline void swap_cols(const uword in_col1, const uword in_col2);
178
179 inline void shed_row(const uword row_num);
180 inline void shed_col(const uword col_num);
181
182 inline void shed_rows(const uword in_row1, const uword in_row2);
183 inline void shed_cols(const uword in_col1, const uword in_col2);
184
185 inline void insert_rows(const uword row_num, const uword N, const bool set_to_zero = true);
186 inline void insert_cols(const uword col_num, const uword N, const bool set_to_zero = true);
187
188 template<typename T1> inline void insert_rows(const uword row_num, const Base<eT,T1>& X);
189 template<typename T1> inline void insert_cols(const uword col_num, const Base<eT,T1>& X);
190
191
192 template<typename gen_type> inline Mat(const Gen<eT, gen_type>& X);
193 template<typename gen_type> inline const Mat& operator=(const Gen<eT, gen_type>& X);
194 template<typename gen_type> inline const Mat& operator+=(const Gen<eT, gen_type>& X);
195 template<typename gen_type> inline const Mat& operator-=(const Gen<eT, gen_type>& X);
196 template<typename gen_type> inline const Mat& operator*=(const Gen<eT, gen_type>& X);
197 template<typename gen_type> inline const Mat& operator%=(const Gen<eT, gen_type>& X);
198 template<typename gen_type> inline const Mat& operator/=(const Gen<eT, gen_type>& X);
199
200 template<typename T1, typename op_type> inline Mat(const Op<T1, op_type>& X);
201 template<typename T1, typename op_type> inline const Mat& operator=(const Op<T1, op_type>& X);
202 template<typename T1, typename op_type> inline const Mat& operator+=(const Op<T1, op_type>& X);
203 template<typename T1, typename op_type> inline const Mat& operator-=(const Op<T1, op_type>& X);
204 template<typename T1, typename op_type> inline const Mat& operator*=(const Op<T1, op_type>& X);
205 template<typename T1, typename op_type> inline const Mat& operator%=(const Op<T1, op_type>& X);
206 template<typename T1, typename op_type> inline const Mat& operator/=(const Op<T1, op_type>& X);
207
208 template<typename T1, typename eop_type> inline Mat(const eOp<T1, eop_type>& X);
209 template<typename T1, typename eop_type> inline const Mat& operator=(const eOp<T1, eop_type>& X);
210 template<typename T1, typename eop_type> inline const Mat& operator+=(const eOp<T1, eop_type>& X);
211 template<typename T1, typename eop_type> inline const Mat& operator-=(const eOp<T1, eop_type>& X);
212 template<typename T1, typename eop_type> inline const Mat& operator*=(const eOp<T1, eop_type>& X);
213 template<typename T1, typename eop_type> inline const Mat& operator%=(const eOp<T1, eop_type>& X);
214 template<typename T1, typename eop_type> inline const Mat& operator/=(const eOp<T1, eop_type>& X);
215
216 template<typename T1, typename op_type> inline Mat(const mtOp<eT, T1, op_type>& X);
217 template<typename T1, typename op_type> inline const Mat& operator=(const mtOp<eT, T1, op_type>& X);
218 template<typename T1, typename op_type> inline const Mat& operator+=(const mtOp<eT, T1, op_type>& X);
219 template<typename T1, typename op_type> inline const Mat& operator-=(const mtOp<eT, T1, op_type>& X);
220 template<typename T1, typename op_type> inline const Mat& operator*=(const mtOp<eT, T1, op_type>& X);
221 template<typename T1, typename op_type> inline const Mat& operator%=(const mtOp<eT, T1, op_type>& X);
222 template<typename T1, typename op_type> inline const Mat& operator/=(const mtOp<eT, T1, op_type>& X);
223
224 template<typename T1, typename T2, typename glue_type> inline Mat(const Glue<T1, T2, glue_type>& X);
225 template<typename T1, typename T2, typename glue_type> inline const Mat& operator=(const Glue<T1, T2, glue_type>& X);
226 template<typename T1, typename T2, typename glue_type> inline const Mat& operator+=(const Glue<T1, T2, glue_type>& X);
227 template<typename T1, typename T2, typename glue_type> inline const Mat& operator-=(const Glue<T1, T2, glue_type>& X);
228 template<typename T1, typename T2, typename glue_type> inline const Mat& operator*=(const Glue<T1, T2, glue_type>& X);
229 template<typename T1, typename T2, typename glue_type> inline const Mat& operator%=(const Glue<T1, T2, glue_type>& X);
230 template<typename T1, typename T2, typename glue_type> inline const Mat& operator/=(const Glue<T1, T2, glue_type>& X);
231
232 template<typename T1, typename T2> inline const Mat& operator+=(const Glue<T1, T2, glue_times>& X);
233 template<typename T1, typename T2> inline const Mat& operator-=(const Glue<T1, T2, glue_times>& X);
234
235 template<typename T1, typename T2, typename eglue_type> inline Mat(const eGlue<T1, T2, eglue_type>& X);
236 template<typename T1, typename T2, typename eglue_type> inline const Mat& operator=(const eGlue<T1, T2, eglue_type>& X);
237 template<typename T1, typename T2, typename eglue_type> inline const Mat& operator+=(const eGlue<T1, T2, eglue_type>& X);
238 template<typename T1, typename T2, typename eglue_type> inline const Mat& operator-=(const eGlue<T1, T2, eglue_type>& X);
239 template<typename T1, typename T2, typename eglue_type> inline const Mat& operator*=(const eGlue<T1, T2, eglue_type>& X);
240 template<typename T1, typename T2, typename eglue_type> inline const Mat& operator%=(const eGlue<T1, T2, eglue_type>& X);
241 template<typename T1, typename T2, typename eglue_type> inline const Mat& operator/=(const eGlue<T1, T2, eglue_type>& X);
242
243 template<typename T1, typename T2, typename glue_type> inline Mat(const mtGlue<eT, T1, T2, glue_type>& X);
244 template<typename T1, typename T2, typename glue_type> inline const Mat& operator=(const mtGlue<eT, T1, T2, glue_type>& X);
245 template<typename T1, typename T2, typename glue_type> inline const Mat& operator+=(const mtGlue<eT, T1, T2, glue_type>& X);
246 template<typename T1, typename T2, typename glue_type> inline const Mat& operator-=(const mtGlue<eT, T1, T2, glue_type>& X);
247 template<typename T1, typename T2, typename glue_type> inline const Mat& operator*=(const mtGlue<eT, T1, T2, glue_type>& X);
248 template<typename T1, typename T2, typename glue_type> inline const Mat& operator%=(const mtGlue<eT, T1, T2, glue_type>& X);
249 template<typename T1, typename T2, typename glue_type> inline const Mat& operator/=(const mtGlue<eT, T1, T2, glue_type>& X);
250
251
252 arma_inline arma_warn_unused eT& operator[] (const uword i);
253 arma_inline arma_warn_unused eT operator[] (const uword i) const;
254 arma_inline arma_warn_unused eT& at (const uword i);
255 arma_inline arma_warn_unused eT at (const uword i) const;
256 arma_inline arma_warn_unused eT& operator() (const uword i);
257 arma_inline arma_warn_unused eT operator() (const uword i) const;
258
259 arma_inline arma_warn_unused eT& at (const uword in_row, const uword in_col);
260 arma_inline arma_warn_unused eT at (const uword in_row, const uword in_col) const;
261 arma_inline arma_warn_unused eT& operator() (const uword in_row, const uword in_col);
262 arma_inline arma_warn_unused eT operator() (const uword in_row, const uword in_col) const;
263
264 arma_inline const Mat& operator++();
265 arma_inline void operator++(int);
266
267 arma_inline const Mat& operator--();
268 arma_inline void operator--(int);
269
270 arma_inline arma_warn_unused bool is_empty() const;
271 arma_inline arma_warn_unused bool is_vec() const;
272 arma_inline arma_warn_unused bool is_rowvec() const;
273 arma_inline arma_warn_unused bool is_colvec() const;
274 arma_inline arma_warn_unused bool is_square() const;
275 inline arma_warn_unused bool is_finite() const;
276
277 arma_inline arma_warn_unused bool in_range(const uword i) const;
278 arma_inline arma_warn_unused bool in_range(const span& x) const;
279
280 arma_inline arma_warn_unused bool in_range(const uword in_row, const uword in_col) const;
281 arma_inline arma_warn_unused bool in_range(const span& row_span, const uword in_col) const;
282 arma_inline arma_warn_unused bool in_range(const uword in_row, const span& col_span) const;
283 arma_inline arma_warn_unused bool in_range(const span& row_span, const span& col_span) const;
284
285 arma_inline arma_warn_unused eT* colptr(const uword in_col);
286 arma_inline arma_warn_unused const eT* colptr(const uword in_col) const;
287
288 arma_inline arma_warn_unused eT* memptr();
289 arma_inline arma_warn_unused const eT* memptr() const;
290
291
292 inline void impl_print(const std::string& extra_text) const;
293 inline void impl_print(std::ostream& user_stream, const std::string& extra_text) const;
294
295 inline void impl_print_trans(const std::string& extra_text) const;
296 inline void impl_print_trans(std::ostream& user_stream, const std::string& extra_text) const;
297
298 inline void impl_raw_print(const std::string& extra_text) const;
299 inline void impl_raw_print(std::ostream& user_stream, const std::string& extra_text) const;
300
301 inline void impl_raw_print_trans(const std::string& extra_text) const;
302 inline void impl_raw_print_trans(std::ostream& user_stream, const std::string& extra_text) const;
303
304
305 template<typename eT2>
306 inline void copy_size(const Mat<eT2>& m);
307
308 inline void set_size(const uword in_elem);
309 inline void set_size(const uword in_rows, const uword in_cols);
310
311 inline void resize(const uword in_elem);
312 inline void resize(const uword in_rows, const uword in_cols);
313 inline void reshape(const uword in_rows, const uword in_cols, const uword dim = 0);
314
315
316 arma_hot inline const Mat& fill(const eT val);
317
318 inline const Mat& zeros();
319 inline const Mat& zeros(const uword in_elem);
320 inline const Mat& zeros(const uword in_rows, const uword in_cols);
321
322 inline const Mat& ones();
323 inline const Mat& ones(const uword in_elem);
324 inline const Mat& ones(const uword in_rows, const uword in_cols);
325
326 inline const Mat& randu();
327 inline const Mat& randu(const uword in_elem);
328 inline const Mat& randu(const uword in_rows, const uword in_cols);
329
330 inline const Mat& randn();
331 inline const Mat& randn(const uword in_elem);
332 inline const Mat& randn(const uword in_rows, const uword in_cols);
333
334 inline const Mat& eye();
335 inline const Mat& eye(const uword in_rows, const uword in_cols);
336
337 inline void reset();
338
339
340 template<typename T1> inline void set_real(const Base<pod_type,T1>& X);
341 template<typename T1> inline void set_imag(const Base<pod_type,T1>& X);
342
343
344 inline arma_warn_unused eT min() const;
345 inline arma_warn_unused eT max() const;
346
347 inline eT min(uword& index_of_min_val) const;
348 inline eT max(uword& index_of_max_val) const;
349
350 inline eT min(uword& row_of_min_val, uword& col_of_min_val) const;
351 inline eT max(uword& row_of_max_val, uword& col_of_max_val) const;
352
353
354 inline bool save(const std::string name, const file_type type = arma_binary, const bool print_status = true) const;
355 inline bool save( std::ostream& os, const file_type type = arma_binary, const bool print_status = true) const;
356
357 inline bool load(const std::string name, const file_type type = auto_detect, const bool print_status = true);
358 inline bool load( std::istream& is, const file_type type = auto_detect, const bool print_status = true);
359
360 inline bool quiet_save(const std::string name, const file_type type = arma_binary) const;
361 inline bool quiet_save( std::ostream& os, const file_type type = arma_binary) const;
362
363 inline bool quiet_load(const std::string name, const file_type type = auto_detect);
364 inline bool quiet_load( std::istream& is, const file_type type = auto_detect);
365
366
367 // for container-like functionality
368
369 typedef eT value_type;
370 typedef uword size_type;
371
372 typedef eT* iterator;
373 typedef const eT* const_iterator;
374
375 typedef eT* col_iterator;
376 typedef const eT* const_col_iterator;
377
378 class row_iterator
379 {
380 public:
381
382 inline row_iterator(Mat<eT>& in_M, const uword in_row);
383
384 inline eT& operator* ();
385
386 inline row_iterator& operator++();
387 inline void operator++(int);
388
389 inline row_iterator& operator--();
390 inline void operator--(int);
391
392 inline bool operator!=(const row_iterator& X) const;
393 inline bool operator==(const row_iterator& X) const;
394
395 arma_aligned Mat<eT>& M;
396 arma_aligned uword row;
397 arma_aligned uword col;
398 };
399
400
401 class const_row_iterator
402 {
403 public:
404
405 const_row_iterator(const Mat<eT>& in_M, const uword in_row);
406 const_row_iterator(const row_iterator& X);
407
408 inline eT operator*() const;
409
410 inline const_row_iterator& operator++();
411 inline void operator++(int);
412
413 inline const_row_iterator& operator--();
414 inline void operator--(int);
415
416 inline bool operator!=(const const_row_iterator& X) const;
417 inline bool operator==(const const_row_iterator& X) const;
418
419 arma_aligned const Mat<eT>& M;
420 arma_aligned uword row;
421 arma_aligned uword col;
422 };
423
424 inline iterator begin();
425 inline const_iterator begin() const;
426
427 inline iterator end();
428 inline const_iterator end() const;
429
430 inline col_iterator begin_col(const uword col_num);
431 inline const_col_iterator begin_col(const uword col_num) const;
432
433 inline col_iterator end_col (const uword col_num);
434 inline const_col_iterator end_col (const uword col_num) const;
435
436 inline row_iterator begin_row(const uword row_num);
437 inline const_row_iterator begin_row(const uword row_num) const;
438
439 inline row_iterator end_row (const uword row_num);
440 inline const_row_iterator end_row (const uword row_num) const;
441
442 inline void clear();
443 inline bool empty() const;
444 inline uword size() const;
445
446 template<uword fixed_n_rows, uword fixed_n_cols>
447 class fixed : public Mat<eT>
448 {
449 private:
450
451 static const uword fixed_n_elem = fixed_n_rows * fixed_n_cols;
452 static const bool use_extra = (fixed_n_elem > arma_config::mat_prealloc);
453
454 arma_aligned eT mem_local_extra[ (use_extra) ? fixed_n_elem : 1 ];
455
456 arma_inline void mem_setup();
457
458
459 public:
460
461 static const uword n_rows = fixed_n_rows;
462 static const uword n_cols = fixed_n_cols;
463 static const uword n_elem = fixed_n_elem;
464
465
466 arma_inline fixed();
467 arma_inline fixed(const fixed<fixed_n_rows, fixed_n_cols>& X);
468
469 template<typename T1> inline fixed(const Base<eT,T1>& A);
470 template<typename T1, typename T2> inline fixed(const Base<pod_type,T1>& A, const Base<pod_type,T2>& B);
471
472 inline fixed( eT* aux_mem, const bool copy_aux_mem = true);
473 inline fixed(const eT* aux_mem);
474
475 inline fixed(const char* text);
476 inline fixed(const std::string& text);
477
478 // TODO: handling of initializer_list ?
479
480 template<typename T1> inline const Mat& operator=(const Base<eT,T1>& A);
481
482 inline const Mat& operator=(const eT val);
483 inline const Mat& operator=(const char* text);
484 inline const Mat& operator=(const std::string& text);
485
486
487 inline subview_row<eT> operator()(const uword row_num, const span& col_span);
488 inline const subview_row<eT> operator()(const uword row_num, const span& col_span) const;
489
490 inline subview_col<eT> operator()(const span& row_span, const uword col_num);
491 inline const subview_col<eT> operator()(const span& row_span, const uword col_num) const;
492
493 inline subview<eT> operator()(const span& row_span, const span& col_span);
494 inline const subview<eT> operator()(const span& row_span, const span& col_span) const;
495
496
497 arma_inline arma_warn_unused eT& operator[] (const uword i);
498 arma_inline arma_warn_unused eT operator[] (const uword i) const;
499 arma_inline arma_warn_unused eT& at (const uword i);
500 arma_inline arma_warn_unused eT at (const uword i) const;
501 arma_inline arma_warn_unused eT& operator() (const uword i);
502 arma_inline arma_warn_unused eT operator() (const uword i) const;
503
504 arma_inline arma_warn_unused eT& at (const uword in_row, const uword in_col);
505 arma_inline arma_warn_unused eT at (const uword in_row, const uword in_col) const;
506 arma_inline arma_warn_unused eT& operator() (const uword in_row, const uword in_col);
507 arma_inline arma_warn_unused eT operator() (const uword in_row, const uword in_col) const;
508
509
510 arma_hot inline const Mat<eT>& fill(const eT val);
511 arma_hot inline const Mat<eT>& zeros();
512 arma_hot inline const Mat<eT>& ones();
513 };
514
515
516 protected:
517
518 inline void init_cold();
519 inline void init_warm(uword in_rows, uword in_cols);
520
521 inline void init(const std::string& text);
522
523 #if defined(ARMA_USE_CXX11)
524 inline void init(const std::initializer_list<eT>& list);
525 #endif
526
527 template<typename T1, typename T2>
528 inline void init(const Base<pod_type,T1>& A, const Base<pod_type,T2>& B);
529
530 inline void steal_mem(Mat& X);
531
532 inline Mat(const char junk, const eT* aux_mem, const uword aux_n_rows, const uword aux_n_cols);
533
534 friend class Cube<eT>;
535 friend class glue_join;
536 friend class op_strans;
537 friend class op_htrans;
538 friend class op_resize;
539
540
541 public:
542
543 #ifdef ARMA_EXTRA_MAT_PROTO
544 #include ARMA_INCFILE_WRAP(ARMA_EXTRA_MAT_PROTO)
545 #endif
546 };
547
548
549
550 class Mat_aux
551 {
552 public:
553
554 template<typename eT> arma_inline static void prefix_pp(Mat<eT>& x);
555 template<typename T> arma_inline static void prefix_pp(Mat< std::complex<T> >& x);
556
557 template<typename eT> arma_inline static void postfix_pp(Mat<eT>& x);
558 template<typename T> arma_inline static void postfix_pp(Mat< std::complex<T> >& x);
559
560 template<typename eT> arma_inline static void prefix_mm(Mat<eT>& x);
561 template<typename T> arma_inline static void prefix_mm(Mat< std::complex<T> >& x);
562
563 template<typename eT> arma_inline static void postfix_mm(Mat<eT>& x);
564 template<typename T> arma_inline static void postfix_mm(Mat< std::complex<T> >& x);
565
566 template<typename eT, typename T1> inline static void set_real(Mat<eT>& out, const Base<eT,T1>& X);
567 template<typename T, typename T1> inline static void set_real(Mat< std::complex<T> >& out, const Base< T,T1>& X);
568
569 template<typename eT, typename T1> inline static void set_imag(Mat<eT>& out, const Base<eT,T1>& X);
570 template<typename T, typename T1> inline static void set_imag(Mat< std::complex<T> >& out, const Base< T,T1>& X);
571 };
572
573
574
575 //! @}