Mercurial > octave-nkf
annotate libinterp/corefcn/typecast.cc @ 20654:b65888ec820e draft default tip gccjit
dmalcom gcc jit import
author | Stefan Mahr <dac922@gmx.de> |
---|---|
date | Fri, 27 Feb 2015 16:59:36 +0100 |
parents | f90c8372b7ba |
children |
rev | line source |
---|---|
6869 | 1 /* |
2 | |
19731
4197fc428c7d
maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents:
19208
diff
changeset
|
3 Copyright (C) 2007-2015 David Bateman |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
4 Copyright (C) 2009 VZLU Prague |
6869 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
6869 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
6869 | 21 |
22 */ | |
23 | |
24 #ifdef HAVE_CONFIG_H | |
25 #include <config.h> | |
26 #endif | |
27 | |
17396 | 28 #include <limits> |
15289
27bdffcb41c5
*typecast.cc: Include <climits> for CHAR_BIT.
Júlio Hoffimann <julio.hoffimann@gmail.com>
parents:
15195
diff
changeset
|
29 |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
30 #include "mx-base.h" |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
31 |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14360
diff
changeset
|
32 #include "defun.h" |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
33 #include "error.h" |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
34 #include "gripes.h" |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
35 #include "oct-obj.h" |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
36 #include "unwind-prot.h" |
6869 | 37 |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
38 static dim_vector |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
39 get_vec_dims (const dim_vector& old_dims, octave_idx_type n) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
40 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
41 if (old_dims.length () == 2 && old_dims(0) == 1) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
42 return dim_vector (1, n); |
20253
b2100e1659ac
maint: Use cuddled parentheses when indexing dimension_vectors.
Rik <rik@octave.org>
parents:
20207
diff
changeset
|
43 else if (old_dims.length () == 2 && old_dims(0) == 0 && old_dims(1) == 0) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
44 return dim_vector (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
45 else |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
46 return dim_vector (n, 1); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
47 } |
6869 | 48 |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
49 template <class ArrayType> |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
50 static void |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
51 get_data_and_bytesize (const ArrayType& array, |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
52 const void *& data, |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
53 octave_idx_type& byte_size, |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9758
diff
changeset
|
54 dim_vector& old_dims, |
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9758
diff
changeset
|
55 unwind_protect& frame) |
6869 | 56 { |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
57 // The array given may be a temporary, constructed from a scalar or sparse |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
58 // array. This will ensure the data will be deallocated after we exit. |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9758
diff
changeset
|
59 frame.add_delete (new ArrayType (array)); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
60 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
61 data = reinterpret_cast<const void *> (array.data ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
62 byte_size = array.byte_size (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
63 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
64 old_dims = array.dims (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
65 } |
6869 | 66 |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
67 template <class ArrayType> |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
68 static ArrayType |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
69 reinterpret_copy (const void *data, octave_idx_type byte_size, |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
70 const dim_vector& old_dims) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
71 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
72 typedef typename ArrayType::element_type T; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
73 octave_idx_type n = byte_size / sizeof (T); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
74 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
75 if (n * static_cast<int> (sizeof (T)) == byte_size) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
76 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
77 ArrayType retval (get_vec_dims (old_dims, n)); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
78 T *dest = retval.fortran_vec (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
79 std::memcpy (dest, data, n * sizeof (T)); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
80 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
81 return retval; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
82 } |
6869 | 83 else |
84 { | |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
85 error ("typecast: incorrect number of input values to make output value"); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
86 return ArrayType (); |
6869 | 87 } |
88 } | |
89 | |
90 | |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14360
diff
changeset
|
91 DEFUN (typecast, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
92 "-*- texinfo -*-\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
93 @deftypefn {Built-in Function} {@var{y} =} typecast (@var{x}, \"@var{class}\")\n\ |
20207
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
94 Return a new array @var{y} resulting from interpreting the data of @var{x}\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
95 in memory as data of the numeric class @var{class}.\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
96 \n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
97 Both the class of @var{x} and @var{class} must be one of the built-in\n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
98 numeric classes:\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
99 \n\ |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
100 @example\n\ |
9758
09da0bd91412
Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents:
9689
diff
changeset
|
101 @group\n\ |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
102 \"logical\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
103 \"char\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
104 \"int8\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
105 \"int16\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
106 \"int32\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
107 \"int64\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
108 \"uint8\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
109 \"uint16\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
110 \"uint32\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
111 \"uint64\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
112 \"double\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
113 \"single\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
114 \"double complex\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
115 \"single complex\"\n\ |
9758
09da0bd91412
Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents:
9689
diff
changeset
|
116 @end group\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
117 @end example\n\ |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
118 \n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
119 @noindent\n\ |
20207
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
120 the last two are only used with @var{class}; they indicate that a\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
121 complex-valued result is requested. Complex arrays are stored in memory as\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
122 consecutive pairs of real numbers. The sizes of integer types are given by\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
123 their bit counts. Both logical and char are typically one byte wide;\n\ |
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
124 however, this is not guaranteed by C++. If your system is IEEE conformant,\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
125 single and double will be 4 bytes and 8 bytes wide, respectively.\n\ |
20207
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
126 @qcode{\"logical\"} is not allowed for @var{class}.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
127 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
128 If the input is a row vector, the return value is a row vector, otherwise it\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
129 is a column vector.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
130 \n\ |
17281
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15545
diff
changeset
|
131 If the bit length of @var{x} is not divisible by that of @var{class}, an\n\ |
bc924baa2c4e
doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents:
15545
diff
changeset
|
132 error occurs.\n\ |
6869 | 133 \n\ |
134 An example of the use of typecast on a little-endian machine is\n\ | |
135 \n\ | |
136 @example\n\ | |
137 @group\n\ | |
138 @var{x} = uint16 ([1, 65535]);\n\ | |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
139 typecast (@var{x}, \"uint8\")\n\ |
15542
69f45f3ab96a
Correct big-endian/little-endian reversal in typecast documentation.
Rik <rik@octave.org>
parents:
14138
diff
changeset
|
140 @result{} [ 1, 0, 255, 255]\n\ |
6869 | 141 @end group\n\ |
142 @end example\n\ | |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
143 @seealso{cast, bitpack, bitunpack, swapbytes}\n\ |
6869 | 144 @end deftypefn") |
145 { | |
146 octave_value retval; | |
147 | |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
148 if (args.length () == 2) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
149 { |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9758
diff
changeset
|
150 unwind_protect frame; |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
151 const void *data = 0; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
152 octave_idx_type byte_size = 0; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
153 dim_vector old_dims; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
154 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
155 octave_value array = args(0); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
156 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
157 if (array.is_bool_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
158 get_data_and_bytesize (array.bool_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
159 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
160 else if (array.is_string ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
161 get_data_and_bytesize (array.char_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
162 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
163 else if (array.is_integer_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
164 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
165 if (array.is_int8_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
166 get_data_and_bytesize (array.int8_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
167 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
168 else if (array.is_int16_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
169 get_data_and_bytesize (array.int16_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
170 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
171 else if (array.is_int32_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
172 get_data_and_bytesize (array.int32_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
173 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
174 else if (array.is_int64_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
175 get_data_and_bytesize (array.int64_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
176 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
177 else if (array.is_uint8_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
178 get_data_and_bytesize (array.uint8_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
179 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
180 else if (array.is_uint16_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
181 get_data_and_bytesize (array.uint16_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
182 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
183 else if (array.is_uint32_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
184 get_data_and_bytesize (array.uint32_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
185 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
186 else if (array.is_uint64_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
187 get_data_and_bytesize (array.uint64_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
188 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
189 else |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
190 assert (0); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
191 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
192 else if (array.is_complex_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
193 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
194 if (array.is_single_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
195 get_data_and_bytesize (array.float_complex_array_value (), data, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
196 byte_size, old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
197 else |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
198 get_data_and_bytesize (array.complex_array_value (), data, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
199 byte_size, old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
200 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
201 else if (array.is_real_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
202 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
203 if (array.is_single_type ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
204 get_data_and_bytesize (array.float_array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
205 old_dims, frame); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
206 else |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
207 get_data_and_bytesize (array.array_value (), data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
208 old_dims, frame); } |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
209 else |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
210 error ("typecast: invalid input class: %s", |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
211 array.class_name ().c_str ()); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
212 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
213 std::string numclass = args(1).string_value (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
214 |
20587
f90c8372b7ba
eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20253
diff
changeset
|
215 if (numclass.size () == 0) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
216 ; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
217 else if (numclass == "char") |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
218 retval = octave_value (reinterpret_copy<charNDArray> |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
219 (data, byte_size, old_dims), array.is_dq_string () ? '"' |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
220 : '\''); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
221 else if (numclass[0] == 'i') |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
222 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
223 if (numclass == "int8") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
224 retval = reinterpret_copy<int8NDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
225 else if (numclass == "int16") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
226 retval = reinterpret_copy<int16NDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
227 else if (numclass == "int32") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
228 retval = reinterpret_copy<int32NDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
229 else if (numclass == "int64") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
230 retval = reinterpret_copy<int64NDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
231 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
232 else if (numclass[0] == 'u') |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
233 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
234 if (numclass == "uint8") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
235 retval = reinterpret_copy<uint8NDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
236 else if (numclass == "uint16") |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
237 retval = reinterpret_copy<uint16NDArray> (data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
238 old_dims); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
239 else if (numclass == "uint32") |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
240 retval = reinterpret_copy<uint32NDArray> (data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
241 old_dims); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
242 else if (numclass == "uint64") |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
243 retval = reinterpret_copy<uint64NDArray> (data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
244 old_dims); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
245 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
246 else if (numclass == "single") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
247 retval = reinterpret_copy<FloatNDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
248 else if (numclass == "double") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
249 retval = reinterpret_copy<NDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
250 else if (numclass == "single complex") |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
251 retval = reinterpret_copy<FloatComplexNDArray> (data, byte_size, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
252 old_dims); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
253 else if (numclass == "double complex") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
254 retval = reinterpret_copy<ComplexNDArray> (data, byte_size, old_dims); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
255 |
20587
f90c8372b7ba
eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20253
diff
changeset
|
256 if (retval.is_undefined ()) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
257 error ("typecast: cannot convert to %s class", numclass.c_str ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
258 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
259 else |
6869 | 260 print_usage (); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
261 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
262 return retval; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
263 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
264 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
265 template <class ArrayType> |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
266 ArrayType |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
267 do_bitpack (const boolNDArray& bitp) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
268 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
269 typedef typename ArrayType::element_type T; |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
270 octave_idx_type n |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
271 = bitp.numel () / (sizeof (T) * std::numeric_limits<unsigned char>::digits); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
272 |
17396 | 273 if (n * static_cast<int> (sizeof (T)) * std::numeric_limits<unsigned char>::digits == bitp.numel ()) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
274 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
275 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
276 ArrayType retval (get_vec_dims (bitp.dims (), n)); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
277 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
278 const bool *bits = bitp.fortran_vec (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
279 char *packed = reinterpret_cast<char *> (retval.fortran_vec ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
280 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
281 octave_idx_type m = n * sizeof (T); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
282 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
283 for (octave_idx_type i = 0; i < m; i++) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
284 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
285 char c = bits[0]; |
17396 | 286 for (int j = 1; j < std::numeric_limits<unsigned char>::digits; j++) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
287 c |= bits[j] << j; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
288 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
289 packed[i] = c; |
17396 | 290 bits += std::numeric_limits<unsigned char>::digits; |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
291 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
292 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
293 return retval; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
294 } |
6869 | 295 else |
296 { | |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
297 error ("bitpack: incorrect number of bits to make up output value"); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
298 return ArrayType (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
299 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
300 } |
6869 | 301 |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14360
diff
changeset
|
302 DEFUN (bitpack, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
303 "-*- texinfo -*-\n\ |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14360
diff
changeset
|
304 @deftypefn {Built-in Function} {@var{y} =} bitpack (@var{x}, @var{class})\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
305 Return a new array @var{y} resulting from interpreting the logical array\n\ |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
306 @var{x} as raw bit patterns for data of the numeric class @var{class}.\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
307 \n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
308 @var{class} must be one of the built-in numeric classes:\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
309 \n\ |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
310 @example\n\ |
9758
09da0bd91412
Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents:
9689
diff
changeset
|
311 @group\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
312 \"double\"\n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
313 \"single\"\n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
314 \"double complex\"\n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
315 \"single complex\"\n\ |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
316 \"char\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
317 \"int8\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
318 \"int16\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
319 \"int32\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
320 \"int64\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
321 \"uint8\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
322 \"uint16\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
323 \"uint32\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
324 \"uint64\"\n\ |
9758
09da0bd91412
Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents:
9689
diff
changeset
|
325 @end group\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
326 @end example\n\ |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
327 \n\ |
10840 | 328 The number of elements of @var{x} should be divisible by the bit length of\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
329 @var{class}. If it is not, excess bits are discarded. Bits come in\n\ |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
330 increasing order of significance, i.e., @code{x(1)} is bit 0, @code{x(2)} is\n\ |
20207
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
331 bit 1, etc.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
332 \n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
333 The result is a row vector if @var{x} is a row vector, otherwise it is a\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19731
diff
changeset
|
334 column vector.\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11553
diff
changeset
|
335 @seealso{bitunpack, typecast}\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
336 @end deftypefn") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
337 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
338 octave_value retval; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
339 |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
340 if (args.length () != 2) |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
341 print_usage (); |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
342 else if (! args(0).is_bool_type ()) |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
343 error ("bitpack: X must be a logical array"); |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
344 else |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
345 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
346 boolNDArray bitp = args(0).bool_array_value (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
347 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
348 std::string numclass = args(1).string_value (); |
6869 | 349 |
20587
f90c8372b7ba
eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20253
diff
changeset
|
350 if (numclass.size () == 0) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
351 ; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
352 else if (numclass == "char") |
9689
34d6f005db4b
eliminate is_string argument from octave_value character array constructors
John W. Eaton <jwe@octave.org>
parents:
9671
diff
changeset
|
353 retval = octave_value (do_bitpack<charNDArray> (bitp), '\''); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
354 else if (numclass[0] == 'i') |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
355 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
356 if (numclass == "int8") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
357 retval = do_bitpack<int8NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
358 else if (numclass == "int16") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
359 retval = do_bitpack<int16NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
360 else if (numclass == "int32") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
361 retval = do_bitpack<int32NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
362 else if (numclass == "int64") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
363 retval = do_bitpack<int64NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
364 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
365 else if (numclass[0] == 'u') |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
366 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
367 if (numclass == "uint8") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
368 retval = do_bitpack<uint8NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
369 else if (numclass == "uint16") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
370 retval = do_bitpack<uint16NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
371 else if (numclass == "uint32") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
372 retval = do_bitpack<uint32NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
373 else if (numclass == "uint64") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
374 retval = do_bitpack<uint64NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
375 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
376 else if (numclass == "single") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
377 retval = do_bitpack<FloatNDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
378 else if (numclass == "double") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
379 retval = do_bitpack<NDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
380 else if (numclass == "single complex") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
381 retval = do_bitpack<FloatComplexNDArray> (bitp); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
382 else if (numclass == "double complex") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
383 retval = do_bitpack<ComplexNDArray> (bitp); |
6869 | 384 |
20587
f90c8372b7ba
eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20253
diff
changeset
|
385 if (retval.is_undefined ()) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
386 error ("bitpack: cannot pack to %s class", numclass.c_str ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
387 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
388 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
389 return retval; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
390 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
391 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
392 template <class ArrayType> |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
393 boolNDArray |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
394 do_bitunpack (const ArrayType& array) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
395 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
396 typedef typename ArrayType::element_type T; |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
397 octave_idx_type n = array.numel () * sizeof (T) |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
398 * std::numeric_limits<unsigned char>::digits; |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
399 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
400 boolNDArray retval (get_vec_dims (array.dims (), n)); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
401 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
402 const char *packed = reinterpret_cast<const char *> (array.fortran_vec ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
403 bool *bits = retval.fortran_vec (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
404 |
17396 | 405 octave_idx_type m = n / std::numeric_limits<unsigned char>::digits; |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
406 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
407 for (octave_idx_type i = 0; i < m; i++) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
408 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
409 char c = packed[i]; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
410 bits[0] = c & 1; |
17396 | 411 for (int j = 1; j < std::numeric_limits<unsigned char>::digits; j++) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
412 bits[j] = (c >>= 1) & 1; |
17396 | 413 bits += std::numeric_limits<unsigned char>::digits; |
6869 | 414 } |
415 | |
416 return retval; | |
417 } | |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
418 |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14360
diff
changeset
|
419 DEFUN (bitunpack, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
420 "-*- texinfo -*-\n\ |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14360
diff
changeset
|
421 @deftypefn {Built-in Function} {@var{y} =} bitunpack (@var{x})\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
422 Return a logical array @var{y} corresponding to the raw bit patterns of\n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
423 @var{x}.\n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
424 \n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
425 @var{x} must belong to one of the built-in numeric classes:\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
426 \n\ |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
427 @example\n\ |
9758
09da0bd91412
Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents:
9689
diff
changeset
|
428 @group\n\ |
19208
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
429 \"double\"\n\ |
6f3e922c5197
doc: Improve docstrings for typecast, bitpack, bitunpack.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
430 \"single\"\n\ |
14360
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
431 \"char\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
432 \"int8\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
433 \"int16\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
434 \"int32\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
435 \"int64\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
436 \"uint8\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
437 \"uint16\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
438 \"uint32\"\n\ |
97883071e8e4
doc: Correct off-by-1 spacings in all .cc docstrings
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
439 \"uint64\"\n\ |
9758
09da0bd91412
Periodic grammar check of Octave documentation files to ensure common format
Rik <rdrider0-list@yahoo.com>
parents:
9689
diff
changeset
|
440 @end group\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
441 @end example\n\ |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
442 \n\ |
11553
01f703952eff
Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
diff
changeset
|
443 The result is a row vector if @var{x} is a row vector; otherwise, it is a\n\ |
10846
a4f482e66b65
Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents:
10840
diff
changeset
|
444 column vector.\n\ |
11572
7d6d8c1e471f
Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents:
11553
diff
changeset
|
445 @seealso{bitpack, typecast}\n\ |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
446 @end deftypefn") |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
447 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
448 octave_value retval; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
449 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
450 if (args.length () == 1 |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
451 && (args(0).is_numeric_type () || args(0).is_string ())) |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
452 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
453 octave_value array = args(0); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
454 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
455 if (array.is_string ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
456 retval = do_bitunpack (array.char_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
457 else if (array.is_integer_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
458 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
459 if (array.is_int8_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
460 retval = do_bitunpack (array.int8_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
461 else if (array.is_int16_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
462 retval = do_bitunpack (array.int16_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
463 else if (array.is_int32_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
464 retval = do_bitunpack (array.int32_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
465 else if (array.is_int64_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
466 retval = do_bitunpack (array.int64_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
467 else if (array.is_uint8_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
468 retval = do_bitunpack (array.uint8_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
469 else if (array.is_uint16_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
470 retval = do_bitunpack (array.uint16_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
471 else if (array.is_uint32_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
472 retval = do_bitunpack (array.uint32_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
473 else if (array.is_uint64_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
474 retval = do_bitunpack (array.uint64_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
475 else |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
476 assert (0); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
477 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
478 else if (array.is_complex_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
479 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
480 if (array.is_single_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
481 retval = do_bitunpack (array.float_complex_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
482 else |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
483 retval = do_bitunpack (array.complex_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
484 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
485 else if (array.is_real_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
486 { |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
487 if (array.is_single_type ()) |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
488 retval = do_bitunpack (array.float_array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
489 else |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
490 retval = do_bitunpack (array.array_value ()); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
491 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
492 else |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
493 error ("bitunpack: invalid input class: %s", |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
494 array.class_name ().c_str ()); |
9671
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
495 } |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
496 else |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
497 print_usage (); |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
498 |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
499 return retval; |
e4b383a0effa
merge reinterpret.cc into typecast.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9036
diff
changeset
|
500 } |