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annotate liboctave/lo-utils.cc @ 12918:f3a8d1efe2c1 stable

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use gnulib:: qualifiers for more stdio functions * oct-parse.yy (text_getc): Use gnulib::getc instead of getc. (looking_at_classdef_keyword, looking_at_funciton_keyword): Use gnulib::ftell, gnulib::fseek, and gnulib::fgets instead of ftell, fseek, and fgets. * file-io.cc (Fmkstemp): Use gnulib::mkstemp instead of mkstemp. * lo-utils.cc (octave_fgets): Use gnulib::fgets instead of fgets. * c-file-ptr-stream.h (c_file_ptr_buf::seek): Use gnulib::fseek instead of fseek. (c_file_ptr_buf::tell): Use gnulib::ftell instead of ftell.
author John W. Eaton <jwe@octave.org>
date Thu, 04 Aug 2011 10:39:37 -0400
parents fd0a3ac60b0e
children b74cb659e757
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1 // utils.cc
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2 /*
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3
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4 Copyright (C) 1996-2011 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <cctype>
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29 #include <cstdlib>
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30 #include <cstdio>
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31 #include <cstring>
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32 #include <cfloat>
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33
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34 #include <limits>
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35 #include <string>
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36
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37 #include <sys/types.h>
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38 #include <unistd.h>
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39
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40 #include "quit.h"
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41
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42 #include "lo-error.h"
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43 #include "lo-ieee.h"
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44 #include "lo-mappers.h"
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45 #include "lo-utils.h"
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46
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47 bool xis_int_or_inf_or_nan (double x)
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48 { return xisnan (x) || D_NINT (x) == x; }
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49
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50 bool xis_one_or_zero (double x)
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51 { return x == 0 || x == 1; }
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52
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53 bool xis_zero (double x)
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54 { return x == 0; }
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55
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56 bool xtoo_large_for_float (double x)
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57 { return (! (xisnan (x) || xisinf (x)) && fabs (x) > FLT_MAX); }
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58
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59 bool xis_int_or_inf_or_nan (float x)
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60 { return xisnan (x) || D_NINT (x) == x; }
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61
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62 bool xis_one_or_zero (float x)
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63 { return x == 0 || x == 1; }
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64
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65 bool xis_zero (float x)
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66 { return x == 0; }
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67
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68 // Save a string.
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69
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70 char *
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71 strsave (const char *s)
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72 {
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73 if (! s)
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74 return 0;
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75
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76 int len = strlen (s);
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77 char *tmp = new char [len+1];
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78 tmp = strcpy (tmp, s);
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79 return tmp;
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80 }
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81
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82 // This function was adapted from xputenv from Karl Berry's kpathsearch
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83 // library.
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84
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85 // FIXME -- make this do the right thing if we don't have a
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86 // SMART_PUTENV.
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87
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88 void
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89 octave_putenv (const std::string& name, const std::string& value)
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90 {
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91 int new_len = name.length () + value.length () + 2;
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92
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93 char *new_item = static_cast<char*> (gnulib::malloc (new_len));
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94
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95 sprintf (new_item, "%s=%s", name.c_str (), value.c_str ());
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96
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97 // As far as I can see there's no way to distinguish between the
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98 // various errors; putenv doesn't have errno values.
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99
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100 if (putenv (new_item) < 0)
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101 (*current_liboctave_error_handler) ("putenv (%s) failed", new_item);
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102 }
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103
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104 std::string
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105 octave_fgets (FILE *f)
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106 {
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107 bool eof;
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108 return octave_fgets (f, eof);
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109 }
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110
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111 std::string
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112 octave_fgets (FILE *f, bool& eof)
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113 {
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114 eof = false;
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115
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116 std::string retval;
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117
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118 int grow_size = 1024;
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119 int max_size = grow_size;
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120
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121 char *buf = static_cast<char *> (gnulib::malloc (max_size));
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122 char *bufptr = buf;
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123 int len = 0;
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124
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125 do
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126 {
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127 if (gnulib::fgets (bufptr, grow_size, f))
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128 {
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129 len = strlen (bufptr);
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130
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131 if (len == grow_size - 1)
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132 {
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133 int tmp = bufptr - buf + grow_size - 1;
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134 grow_size *= 2;
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135 max_size += grow_size;
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136 buf = static_cast<char *> (gnulib::realloc (buf, max_size));
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137 bufptr = buf + tmp;
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138
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139 if (*(bufptr-1) == '\n')
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140 {
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141 *bufptr = '\0';
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142 retval = buf;
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143 }
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144 }
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145 else if (bufptr[len-1] != '\n')
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146 {
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147 bufptr[len++] = '\n';
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148 bufptr[len] = '\0';
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
149 retval = buf;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
150 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
151 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
152 retval = buf;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
153 }
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
154 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
155 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
156 if (len == 0)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
157 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
158 eof = true;
4527
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
159
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
160 free (buf);
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
161
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
162 buf = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
163 }
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
164
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
165 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
166 }
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
167 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
168 while (retval.empty ());
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
169
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
170 if (buf)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
171 free (buf);
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
172
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10068
diff changeset
173 octave_quit ();
10068
ca93f583573d handle interrupts octave_fgets
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
174
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
175 return retval;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
176 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
parents: 2847
diff changeset
177
3970
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
178 std::string
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
179 octave_fgetl (FILE *f)
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
180 {
4527
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
181 bool eof;
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
182 return octave_fgetl (f, eof);
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
183 }
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
184
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
185 std::string
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
186 octave_fgetl (FILE *f, bool& eof)
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
187 {
c0a23a13eea2 [project @ 2003-10-03 02:52:46 by jwe]
jwe
parents: 4130
diff changeset
188 std::string retval = octave_fgets (f, eof);
3970
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
189
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
190 size_t len = retval.length ();
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
191
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
192 if (retval[len-1] == '\n')
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
193 retval.resize (len-1);
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
194
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
195 return retval;
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
196 }
4f884e25aab9 [project @ 2002-07-02 04:14:35 by jwe]
jwe
parents: 3504
diff changeset
197
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
198 static inline double
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
199 read_inf_nan_na (std::istream& is, char c, char sign = '+')
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
200 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
201 double d = 0.0;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
202
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
203 switch (c)
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
204 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
205 case 'i': case 'I':
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
206 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
207 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
208 if (c == 'n' || c == 'N')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
209 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
210 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
211 if (c == 'f' || c == 'F')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
212 d = sign == '-' ? -octave_Inf : octave_Inf;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
213 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
214 is.putback (c);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
215 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
216 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
217 is.putback (c);
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
218 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
219 break;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
220
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
221 case 'n': case 'N':
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
222 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
223 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
224 if (c == 'a' || c == 'A')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
225 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
226 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
227 if (c == 'n' || c == 'N')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
228 d = octave_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
229 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
230 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
231 is.putback (c);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
232 d = octave_NA;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
233 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
234 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
235 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
236 is.putback (c);
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
237 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
238 break;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
239
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
240 default:
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
241 abort ();
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
242 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
243
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
244 return d;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
245 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
246
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
247 template <>
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
248 double
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
249 octave_read_value (std::istream& is)
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
250 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
251 double d = 0.0;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
252
6907
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe]
jwe
parents: 6897
diff changeset
253 char c1 = ' ';
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
254
6907
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe]
jwe
parents: 6897
diff changeset
255 while (isspace (c1))
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe]
jwe
parents: 6897
diff changeset
256 c1 = is.get ();
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe]
jwe
parents: 6897
diff changeset
257
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
258 switch (c1)
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
259 {
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
260 case '-':
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
261 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
262 char c2 = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
263 c2 = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
264 if (c2 == 'i' || c2 == 'I')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
265 d = read_inf_nan_na (is, c2, c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
266 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
267 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
268 is.putback (c2);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
269 is.putback (c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
270 is >> d;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
271 }
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
272 }
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
273 break;
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
274
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
275 case '+':
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
276 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
277 char c2 = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
278 c2 = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
279 if (c2 == 'i' || c2 == 'I')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
280 d = read_inf_nan_na (is, c2, c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
281 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
282 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
283 is.putback (c2);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
284 is.putback (c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
285 is >> d;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
286 }
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
287 }
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
288 break;
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
289
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
290 case 'i': case 'I':
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
291 case 'n': case 'N':
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
292 d = read_inf_nan_na (is, c1);
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
293 break;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
294
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
295 default:
6194
0d2ff0dfb159 [project @ 2006-12-01 05:25:38 by jwe]
jwe
parents: 5775
diff changeset
296 is.putback (c1);
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
297 is >> d;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
298 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
299
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
300 return d;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
301 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
302
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
303 template <>
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
304 Complex
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
305 octave_read_value (std::istream& is)
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
306 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
307 double re = 0.0, im = 0.0;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
308
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
309 Complex cx = 0.0;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
310
6907
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe]
jwe
parents: 6897
diff changeset
311 char ch = ' ';
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
312
6907
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe]
jwe
parents: 6897
diff changeset
313 while (isspace (ch))
c8081f4c094f [project @ 2007-09-17 17:31:10 by jwe]
jwe
parents: 6897
diff changeset
314 ch = is.get ();
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
315
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
316 if (ch == '(')
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
317 {
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
318 re = octave_read_value<double> (is);
6897
935d23e16951 [project @ 2007-09-13 19:13:56 by jwe]
jwe
parents: 6490
diff changeset
319 ch = is.get ();
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
320
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
321 if (ch == ',')
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
322 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
323 im = octave_read_value<double> (is);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
324 ch = is.get ();
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
325
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
326 if (ch == ')')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
327 cx = Complex (re, im);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
328 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
329 is.setstate (std::ios::failbit);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
330 }
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
331 else if (ch == ')')
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
332 cx = re;
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
333 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
334 is.setstate (std::ios::failbit);
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
335 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
336 else
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
337 {
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
338 is.putback (ch);
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
339 cx = octave_read_value<double> (is);
4130
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
340 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
341
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
342 return cx;
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
343
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
344 }
7d9bda865012 [project @ 2002-10-28 21:05:30 by jwe]
jwe
parents: 3970
diff changeset
345
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
346 static inline float
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
347 read_float_inf_nan_na (std::istream& is, char c, char sign = '+')
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
348 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
349 float d = 0.0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
350
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
351 switch (c)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
352 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
353 case 'i': case 'I':
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
354 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
355 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
356 if (c == 'n' || c == 'N')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
357 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
358 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
359 if (c == 'f' || c == 'F')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
360 d = sign == '-' ? -octave_Inf : octave_Inf;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
361 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
362 is.putback (c);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
363 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
364 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
365 is.putback (c);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
366 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
367 break;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
368
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
369 case 'n': case 'N':
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
370 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
371 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
372 if (c == 'a' || c == 'A')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
373 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
374 c = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
375 if (c == 'n' || c == 'N')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
376 d = octave_NaN;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
377 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
378 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
379 is.putback (c);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
380 d = octave_NA;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
381 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
382 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
383 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
384 is.putback (c);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
385 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
386 break;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
387
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
388 default:
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
389 abort ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
390 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
391
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
392 return d;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
393 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
394
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
395 template <>
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
396 float
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
397 octave_read_value (std::istream& is)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
398 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
399 float d = 0.0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
400
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
401 char c1 = ' ';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
402
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
403 while (isspace (c1))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
404 c1 = is.get ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
405
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
406 switch (c1)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
407 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
408 case '-':
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
409 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
410 char c2 = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
411 c2 = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
412 if (c2 == 'i' || c2 == 'I')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
413 d = read_float_inf_nan_na (is, c2, c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
414 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
415 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
416 is.putback (c2);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
417 is.putback (c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
418 is >> d;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
419 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
420 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
421 break;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
422
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
423 case '+':
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
424 {
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
425 char c2 = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
426 c2 = is.get ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
427 if (c2 == 'i' || c2 == 'I')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
428 d = read_float_inf_nan_na (is, c2, c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
429 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
430 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
431 is.putback (c2);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
432 is.putback (c1);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
433 is >> d;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
434 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
435 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
436 break;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
437
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
438 case 'i': case 'I':
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
439 case 'n': case 'N':
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
440 d = read_float_inf_nan_na (is, c1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
441 break;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
442
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
443 default:
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
444 is.putback (c1);
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
445 is >> d;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
446 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
447
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
448 return d;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
449 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
450
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
451 template <>
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
452 FloatComplex
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
453 octave_read_value (std::istream& is)
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
454 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
455 float re = 0.0, im = 0.0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
456
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
457 FloatComplex cx = 0.0;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
458
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
459 char ch = ' ';
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
460
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
461 while (isspace (ch))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
462 ch = is.get ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
463
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
464 if (ch == '(')
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
465 {
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
466 re = octave_read_value<float> (is);
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
467 ch = is.get ();
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
468
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
469 if (ch == ',')
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
470 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
471 im = octave_read_value<float> (is);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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472 ch = is.get ();
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
473
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
474 if (ch == ')')
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff changeset
475 cx = FloatComplex (re, im);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
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diff changeset
476 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
477 is.setstate (std::ios::failbit);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
478 }
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
479 else if (ch == ')')
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
480 cx = re;
7789
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diff changeset
481 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10182
diff changeset
482 is.setstate (std::ios::failbit);
7789
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David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
483 }
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David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
484 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
485 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
486 is.putback (ch);
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
487 cx = octave_read_value<float> (is);
7789
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David Bateman <dbateman@free.fr>
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diff changeset
488 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
489
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
490 return cx;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
491
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
492 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
493
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
494 void
9469
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
495 octave_write_double (std::ostream& os, double d)
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
496 {
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
497 if (lo_ieee_is_NA (d))
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
498 os << "NA";
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
499 else if (lo_ieee_isnan (d))
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
500 os << "NaN";
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
501 else if (lo_ieee_isinf (d))
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
502 os << (d < 0 ? "-Inf" : "Inf");
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
503 else
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
504 os << d;
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
505 }
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
506
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
507 void
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
508 octave_write_complex (std::ostream& os, const Complex& c)
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
509 {
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
510 os << "(";
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
511 octave_write_double (os, real (c));
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
512 os << ",";
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
513 octave_write_double (os, imag (c));
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
514 os << ")";
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
515 }
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
516
c6edba80dfae sanity checks for loading sparse matrices
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
517 void
7789
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diff changeset
518 octave_write_float (std::ostream& os, float d)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
519 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
520 if (lo_ieee_is_NA (d))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
521 os << "NA";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
522 else if (lo_ieee_isnan (d))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
523 os << "NaN";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
524 else if (lo_ieee_isinf (d))
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
525 os << (d < 0 ? "-Inf" : "Inf");
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
526 else
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
527 os << d;
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
528 }
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
529
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
530 void
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
531 octave_write_float_complex (std::ostream& os, const FloatComplex& c)
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
532 {
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
533 os << "(";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
534 octave_write_float (os, real (c));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
535 os << ",";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
536 octave_write_float (os, imag (c));
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
537 os << ")";
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents: 7048
diff changeset
538 }