Mercurial > hg > octave-nkf
annotate liboctave/oct-alloc.h @ 15192:8367f326fa29
Remove octave_value::is_real_nd_array cruft
* ov-base.h (octave_base_value::is_real_nd_array): Remove function.
* ov.h (octave_Value::is_real_nd_array): Remove function.
| author | Max Brister <max@2bass.com> |
|---|---|
| date | Thu, 16 Aug 2012 18:57:45 -0500 |
| parents | 72c96de7a403 |
| children |
| rev | line source |
|---|---|
| 2475 | 1 /* |
| 2 | |
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14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
13838
diff
changeset
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3 Copyright (C) 1996-2012 John W. Eaton |
| 2475 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2475 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2475 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_oct_alloc_h) | |
| 24 #define octave_oct_alloc_h 1 | |
| 25 | |
| 12414 | 26 #include <cstddef> |
| 27 | |
| 2475 | 28 class |
| 6108 | 29 OCTAVE_API |
| 2475 | 30 octave_allocator |
| 31 { | |
| 32 public: | |
| 33 | |
| 34 octave_allocator (size_t item_sz, int grow_sz = 256) | |
| 35 : head (0), grow_size (grow_sz), | |
| 36 item_size (item_sz > sizeof (link *) ? item_sz : sizeof (link *)) | |
| 37 { } | |
| 38 | |
| 39 // Get an object from the free list, possibly increasing the size of | |
| 40 // the free list. | |
| 41 void *alloc (size_t size); | |
| 42 | |
| 43 // Put objects back on the free list. | |
| 44 void free (void *p, size_t size); | |
| 45 | |
| 46 private: | |
| 47 | |
| 48 // Structure for internal free list management. | |
| 49 struct link { link *next; }; | |
| 50 | |
| 51 // Front of the free list. | |
| 52 link *head; | |
| 53 | |
| 54 // How many objects to get each time we call the global operator new. | |
| 55 int grow_size; | |
| 56 | |
| 57 // The size of each item on the list (or, if that is smaller than | |
| 58 // the size of list*, the size of list*. | |
| 59 size_t item_size; | |
| 60 | |
| 61 // How to grow the free list. | |
| 62 bool grow (void); | |
| 63 }; | |
| 64 | |
| 4352 | 65 #if defined (HAVE_PLACEMENT_DELETE) |
| 66 #define DECLARE_OCTAVE_ALLOCATOR_PLACEMENT_DELETE \ | |
| 67 void operator delete (void *p, void *) \ | |
| 68 { ::operator delete (p, static_cast<void*> (0)); } | |
| 69 #else | |
| 70 #define DECLARE_OCTAVE_ALLOCATOR_PLACEMENT_DELETE \ | |
| 71 void operator delete (void *p, void *) \ | |
| 72 { ::operator delete (p); } | |
| 73 #endif | |
| 74 | |
|
13838
a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
|
75 #if defined (USE_OCTAVE_ALLOCATOR) |
|
a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
|
76 |
| 3219 | 77 #define DECLARE_OCTAVE_ALLOCATOR \ |
| 78 public: \ | |
| 4219 | 79 void *operator new (size_t size, void *p) \ |
| 80 { return ::operator new (size, p); } \ | |
| 4352 | 81 DECLARE_OCTAVE_ALLOCATOR_PLACEMENT_DELETE \ |
| 3219 | 82 void *operator new (size_t size) { return allocator.alloc (size); } \ |
| 83 void operator delete (void *p, size_t size) { allocator.free (p, size); } \ | |
| 84 private: \ | |
| 85 static octave_allocator allocator; | |
| 86 | |
| 87 #define DEFINE_OCTAVE_ALLOCATOR(t) \ | |
| 88 octave_allocator t::allocator (sizeof (t)) | |
| 89 | |
| 90 #define DEFINE_OCTAVE_ALLOCATOR2(t, s) \ | |
| 91 octave_allocator t::allocator (sizeof (t), s) | |
| 92 | |
|
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a35d381e22b0
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John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
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93 #else |
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a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
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94 |
|
a35d381e22b0
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John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
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95 #define DECLARE_OCTAVE_ALLOCATOR |
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a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
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96 #define DEFINE_OCTAVE_ALLOCATOR(t) |
|
a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
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97 #define DEFINE_OCTAVE_ALLOCATOR2(t, s) |
|
a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
|
98 |
| 2475 | 99 #endif |
|
13838
a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
|
100 |
|
a35d381e22b0
make octave_allocator optional and disable by default
John W. Eaton <jwe@octave.org>
parents:
12414
diff
changeset
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101 #endif |