octave: src/DLD-FUNCTIONS/typecast.cc annotate

annotate src/DLD-FUNCTIONS/typecast.cc @ 11572:7d6d8c1e471f

Grammarcheck Texinfo for files in src directory.

author	Rik <octave@nomad.inbox5.com>
date	Wed, 19 Jan 2011 17:51:22 -0800
parents	01f703952eff
children	12df7854fa7c

rev	line source
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	1 /*
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	2
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	3 Copyright (C) 2007-2011 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 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	5
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	6 This file is part of Octave.
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	7
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6948 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6948 diff changeset	11 option) any later version.
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	12
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	16 for more details.
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	17
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6948 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6948 diff changeset	20 <http://www.gnu.org/licenses/>.
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	21
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	22 */
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	23
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	24 #ifdef HAVE_CONFIG_H
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	25 #include <config.h>
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	26 #endif
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	27
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	28 #include "mx-base.h"
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	29
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	30 #include "defun-dld.h"
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	31 #include "error.h"
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	32 #include "gripes.h"
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	33 #include "oct-obj.h"
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	34 #include "unwind-prot.h"
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	35
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	36 static dim_vector
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	37 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	38 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	39 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	40 return dim_vector (1, n);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	41 else if (old_dims.length () == 2 && old_dims (0) == 0 && old_dims (1) == 0)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	42 return dim_vector ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	43 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	44 return dim_vector (n, 1);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	45 }
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	46
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	47 template <class ArrayType>
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	48 static void
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	49 get_data_and_bytesize (const ArrayType& array,
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	50 const void *& data,
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	51 octave_idx_type& byte_size,
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	52 dim_vector& old_dims,
2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	53 unwind_protect& frame)
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	54 {
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	55 // 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	56 // 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	57 frame.add_delete (new ArrayType (array));
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	58
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	59 data = reinterpret_cast<const void *> (array.data ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	60 byte_size = array.byte_size ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	61
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	62 old_dims = array.dims ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	63 }
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	64
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	65 template <class ArrayType>
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	66 static ArrayType
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	67 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	68 const dim_vector& old_dims)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	69 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	70 typedef typename ArrayType::element_type T;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	71 octave_idx_type n = byte_size / sizeof (T);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	72
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	73 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	74 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	75 ArrayType retval (get_vec_dims (old_dims, n));
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	76 T *dest = retval.fortran_vec ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	77 std::memcpy (dest, data, n * sizeof (T));
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	78
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	79 return retval;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	80 }
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	81 else
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	82 {
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	83 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	84 return ArrayType ();
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	85 }
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	86 }
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	87
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	88
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	89 DEFUN_DLD (typecast, args, ,
8715 954b6f69f51d doc fixes John W. Eaton <jwe@octave.org> parents: 8100 diff changeset	90 "-- texinfo --\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	91 @deftypefn {Loadable Function} {} typecast (@var{x}, @var{class})\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	92 Return a new array @var{y} resulting from interpreting the data of\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9689 diff changeset	93 @var{x} in memory as data of the numeric class @var{class}. Both the class\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	94 of @var{x} and @var{class} must be one of the built-in numeric classes:\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	95 \n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	96 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9689 diff changeset	97 @group\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	98 \"logical\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	99 \"char\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	100 \"int8\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	101 \"int16\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	102 \"int32\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	103 \"int64\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	104 \"uint8\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	105 \"uint16\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	106 \"uint32\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	107 \"uint64\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	108 \"double\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	109 \"single\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	110 \"double complex\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	111 \"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	112 @end group\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	113 @end example\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	114 \n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	115 @noindent\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	116 the last two are reserved for @var{class}; they indicate that a\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	117 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	118 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	119 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	120 however, this is not guaranteed by C++. If your system is IEEE conformant,\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	121 single and double should be 4 bytes and 8 bytes wide, respectively. \n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	122 \"logical\" is not allowed for @var{class}. If the input is a row vector,\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	123 the return value is a row vector, otherwise it is a column vector. If the\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	124 bit length of @var{x} is not divisible by that of @var{class}, an error\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	125 occurs.\n\
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	126 \n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	127 An example of the use of typecast on a little-endian machine is\n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	128 \n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	129 @example\n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	130 @group\n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	131 @var{x} = uint16 ([1, 65535]);\n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	132 typecast (@var{x}, 'uint8')\n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	133 @result{} [ 0, 1, 255, 255]\n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	134 @end group\n\
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	135 @end example\n\
10807 bdde9c59f77a typecast: Combine two @seealso macro uses to one. Rik <octave@nomad.inbox5.com> parents: 10066 diff changeset	136 @seealso{cast, bitunpack, bitpack, swapbytes}\n\
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	137 @end deftypefn")
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	138 {
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	139 octave_value retval;
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	140
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	141 if (args.length () == 2)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	142 {
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	143 unwind_protect frame;
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	144 const void *data = 0;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	145 octave_idx_type byte_size = 0;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	146 dim_vector old_dims;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	147
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	148 octave_value array = args(0);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	149
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	150 if (array.is_bool_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	151 get_data_and_bytesize (array.bool_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	152 else if (array.is_string ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	153 get_data_and_bytesize (array.char_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	154 else if (array.is_integer_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	155 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	156 if (array.is_int8_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	157 get_data_and_bytesize (array.int8_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	158 else if (array.is_int16_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	159 get_data_and_bytesize (array.int16_array_value (), data, byte_size, 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_int32_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	161 get_data_and_bytesize (array.int32_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	162 else if (array.is_int64_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	163 get_data_and_bytesize (array.int64_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	164 else if (array.is_uint8_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	165 get_data_and_bytesize (array.uint8_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	166 else if (array.is_uint16_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	167 get_data_and_bytesize (array.uint16_array_value (), data, byte_size, 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_uint32_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	169 get_data_and_bytesize (array.uint32_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	170 else if (array.is_uint64_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	171 get_data_and_bytesize (array.uint64_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	172 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	173 assert (0);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	174 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	175 else if (array.is_complex_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	176 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	177 if (array.is_single_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	178 get_data_and_bytesize (array.float_complex_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	179 else
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	180 get_data_and_bytesize (array.complex_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	181 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	182 else if (array.is_real_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	183 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	184 if (array.is_single_type ())
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	185 get_data_and_bytesize (array.float_array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	186 else
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	187 get_data_and_bytesize (array.array_value (), data, byte_size, old_dims, frame);
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	188 }
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 error ("typecast: invalid input class: %s", array.class_name ().c_str ());
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 std::string numclass = args(1).string_value ();
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 (error_state \|\| numclass.size () == 0)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	195 ;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	196 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	197 retval = octave_value (reinterpret_copy<charNDArray> (data, byte_size, old_dims), array.is_dq_string () ? '"' : '\'');
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	198 else if (numclass[0] == 'i')
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	199 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	200 if (numclass == "int8")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	201 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	202 else if (numclass == "int16")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	203 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	204 else if (numclass == "int32")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	205 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	206 else if (numclass == "int64")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	207 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	208 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	209 else if (numclass[0] == 'u')
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	210 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	211 if (numclass == "uint8")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	212 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	213 else if (numclass == "uint16")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	214 retval = reinterpret_copy<uint16NDArray> (data, byte_size, old_dims);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	215 else if (numclass == "uint32")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	216 retval = reinterpret_copy<uint32NDArray> (data, byte_size, old_dims);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	217 else if (numclass == "uint64")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	218 retval = reinterpret_copy<uint64NDArray> (data, byte_size, old_dims);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	219 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	220 else if (numclass == "single")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	221 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	222 else if (numclass == "double")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	223 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	224 else if (numclass == "single complex")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	225 retval = reinterpret_copy<FloatComplexNDArray> (data, byte_size, old_dims);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	226 else if (numclass == "double complex")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	227 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	228
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	229 if (! error_state && retval.is_undefined ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	230 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	231 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	232 else
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	233 print_usage ();
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	234
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	235 return retval;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	236 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	237
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	238 template <class ArrayType>
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	239 ArrayType
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	240 do_bitpack (const boolNDArray& bitp)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	241 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	242 typedef typename ArrayType::element_type T;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	243 octave_idx_type n = bitp.numel () / (sizeof (T) * CHAR_BIT);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	244
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	245 if (n * static_cast<int> (sizeof (T)) * CHAR_BIT == bitp.numel ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	246 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	247
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	248 ArrayType retval (get_vec_dims (bitp.dims (), n));
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	249
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	250 const bool *bits = bitp.fortran_vec ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	251 char packed = reinterpret_cast<char > (retval.fortran_vec ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	252
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	253 octave_idx_type m = n * sizeof (T);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	254
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	255 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	256 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	257 char c = bits[0];
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	258 for (int j = 1; j < CHAR_BIT; j++)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	259 c \|= bits[j] << j;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	260
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	261 packed[i] = c;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	262 bits += CHAR_BIT;
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 return retval;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	266 }
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	267 else
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	268 {
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	269 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	270 return ArrayType ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	271 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	272 }
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	273
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	274 DEFUN_DLD (bitpack, args, ,
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	275 "-- texinfo --\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	276 @deftypefn {Loadable Function} {@var{y} =} bitpack (@var{x}, @var{class})\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	277 Return a new array @var{y} resulting from interpreting an array\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	278 @var{x} as raw bit patterns for data of the numeric class @var{class}.\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	279 @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	280 \n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	281 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9689 diff changeset	282 @group\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	283 \"char\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	284 \"int8\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	285 \"int16\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	286 \"int32\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	287 \"int64\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	288 \"uint8\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	289 \"uint16\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	290 \"uint32\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	291 \"uint64\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	292 \"double\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	293 \"single\"\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9689 diff changeset	294 @end group\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	295 @end example\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	296 \n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10807 diff changeset	297 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	298 @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	299 increasing order of significance, i.e., @code{x(1)} is bit 0, @code{x(2)} is\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	300 bit 1, etc. The result is a row vector if @var{x} is a row vector, otherwise\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	301 it is a column vector.\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11553 diff changeset	302 @seealso{bitunpack, typecast}\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	303 @end deftypefn")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	304 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	305 octave_value retval;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	306
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	307 if (args.length () == 2 && args(0).is_bool_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	308 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	309 boolNDArray bitp = args(0).bool_array_value ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	310
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	311 std::string numclass = args(1).string_value ();
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	312
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	313 if (error_state \|\| numclass.size () == 0)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	314 ;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	315 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	316 retval = octave_value (do_bitpack<charNDArray> (bitp), '\'');
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	317 else if (numclass[0] == 'i')
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	318 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	319 if (numclass == "int8")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	320 retval = do_bitpack<int8NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	321 else if (numclass == "int16")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	322 retval = do_bitpack<int16NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	323 else if (numclass == "int32")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	324 retval = do_bitpack<int32NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	325 else if (numclass == "int64")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	326 retval = do_bitpack<int64NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	327 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	328 else if (numclass[0] == 'u')
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	329 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	330 if (numclass == "uint8")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	331 retval = do_bitpack<uint8NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	332 else if (numclass == "uint16")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	333 retval = do_bitpack<uint16NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	334 else if (numclass == "uint32")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	335 retval = do_bitpack<uint32NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	336 else if (numclass == "uint64")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	337 retval = do_bitpack<uint64NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	338 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	339 else if (numclass == "single")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	340 retval = do_bitpack<FloatNDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	341 else if (numclass == "double")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	342 retval = do_bitpack<NDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	343 else if (numclass == "single complex")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	344 retval = do_bitpack<FloatComplexNDArray> (bitp);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	345 else if (numclass == "double complex")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	346 retval = do_bitpack<ComplexNDArray> (bitp);
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	347
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	348 if (! error_state && retval.is_undefined ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	349 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	350 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	351 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	352 print_usage ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	353
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	354 return retval;
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
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	357 template <class ArrayType>
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	358 boolNDArray
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	359 do_bitunpack (const ArrayType& array)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	360 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	361 typedef typename ArrayType::element_type T;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	362 octave_idx_type n = array.numel () * sizeof (T) * CHAR_BIT;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	363
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	364 boolNDArray retval (get_vec_dims (array.dims (), n));
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	365
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	366 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	367 bool *bits = retval.fortran_vec ();
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	368
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	369 octave_idx_type m = n / CHAR_BIT;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	370
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	371 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	372 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	373 char c = packed[i];
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	374 bits[0] = c & 1;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	375 for (int j = 1; j < CHAR_BIT; j++)
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	376 bits[j] = (c >>= 1) & 1;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	377 bits += CHAR_BIT;
6869 f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	378 }
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	379
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	380 return retval;
f9c893831e68 [project @ 2007-09-06 16:38:44 by dbateman] dbateman parents: diff changeset	381 }
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	382
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	383 DEFUN_DLD (bitunpack, args, ,
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	384 "-- texinfo --\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	385 @deftypefn {Loadable Function} {@var{y} =} bitpack (@var{x})\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	386 Return an array @var{y} corresponding to the raw bit patterns of\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	387 @var{x}. @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	388 \n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	389 @example\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9689 diff changeset	390 @group\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	391 \"char\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	392 \"int8\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	393 \"int16\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	394 \"int32\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	395 \"int64\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	396 \"uint8\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	397 \"uint16\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	398 \"uint32\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	399 \"uint64\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	400 \"double\"\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	401 \"single\"\n\
9758 09da0bd91412 Periodic grammar check of Octave documentation files to ensure common format Rik <rdrider0-list@yahoo.com> parents: 9689 diff changeset	402 @end group\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	403 @end example\n\
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	404 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	405 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	406 column vector.\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11553 diff changeset	407 @seealso{bitpack, typecast}\n\
9671 e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	408 @end deftypefn")
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	409 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	410 octave_value retval;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	411
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	412 if (args.length () == 1 && (args(0).is_numeric_type () \|\| args(0).is_string ()))
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	413 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	414 octave_value array = args(0);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	415
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	416 if (array.is_string ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	417 retval = do_bitunpack (array.char_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	418 else if (array.is_integer_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	419 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	420 if (array.is_int8_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	421 retval = do_bitunpack (array.int8_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	422 else if (array.is_int16_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	423 retval = do_bitunpack (array.int16_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	424 else if (array.is_int32_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	425 retval = do_bitunpack (array.int32_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	426 else if (array.is_int64_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	427 retval = do_bitunpack (array.int64_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	428 else if (array.is_uint8_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	429 retval = do_bitunpack (array.uint8_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	430 else if (array.is_uint16_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	431 retval = do_bitunpack (array.uint16_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	432 else if (array.is_uint32_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	433 retval = do_bitunpack (array.uint32_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	434 else if (array.is_uint64_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	435 retval = do_bitunpack (array.uint64_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	436 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	437 assert (0);
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	438 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	439 else if (array.is_complex_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	440 {
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	441 if (array.is_single_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	442 retval = do_bitunpack (array.float_complex_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	443 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	444 retval = do_bitunpack (array.complex_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	445 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	446 else if (array.is_real_type ())
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 if (array.is_single_type ())
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	449 retval = do_bitunpack (array.float_array_value ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	450 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	451 retval = do_bitunpack (array.array_value ());
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 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	454 error ("bitunpack: invalid input class: %s", array.class_name ().c_str ());
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	455 }
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	456 else
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	457 print_usage ();
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 return retval;
e4b383a0effa merge reinterpret.cc into typecast.cc Jaroslav Hajek <highegg@gmail.com> parents: 9036 diff changeset	460 }

Mercurial > octave

annotate src/DLD-FUNCTIONS/typecast.cc @ 11572:7d6d8c1e471f