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1
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1 /* |
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2 |
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2847
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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1315
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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240
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23 #ifdef HAVE_CONFIG_H |
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1192
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24 #include <config.h> |
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1
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25 #endif |
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26 |
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1346
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27 #include <cfloat> |
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3124
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28 #include <cmath> |
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2825
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29 #include <cstdio> |
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1346
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30 #include <cstring> |
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1343
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31 |
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1728
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32 #include <string> |
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33 |
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3013
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34 #include <iomanip.h> |
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1
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35 #include <iostream.h> |
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36 #include <strstream.h> |
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1343
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37 |
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453
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38 #include "CMatrix.h" |
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1
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39 #include "Range.h" |
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2926
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40 #include "cmd-edit.h" |
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1352
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41 #include "dMatrix.h" |
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2891
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42 #include "lo-mappers.h" |
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2317
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43 #include "mach-info.h" |
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1651
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44 #include "oct-cmplx.h" |
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1755
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45 #include "str-vec.h" |
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1
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46 |
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1352
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47 #include "defun.h" |
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48 #include "error.h" |
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2165
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49 #include "gripes.h" |
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1755
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50 #include "oct-obj.h" |
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1352
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51 #include "pager.h" |
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52 #include "pr-output.h" |
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1282
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53 #include "sysdep.h" |
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1
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54 #include "utils.h" |
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1352
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55 #include "variables.h" |
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1
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56 |
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3105
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57 // TRUE means use a scaled fixed point format for `format long' and |
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58 // `format short'. |
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59 static bool Vfixed_point_format; |
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60 |
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2165
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61 // The maximum field width for a number printed by the default output |
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62 // routines. |
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63 static int Voutput_max_field_width; |
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64 |
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65 // The precision of the numbers printed by the default output |
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66 // routines. |
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67 static int Voutput_precision; |
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68 |
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69 // TRUE means that the dimensions of empty matrices should be printed |
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70 // like this: x = [](2x0). |
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71 static bool Vprint_empty_dimensions; |
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72 |
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73 // TRUE means that the rows of big matrices should be split into |
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74 // smaller slices that fit on the screen. |
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75 static bool Vsplit_long_rows; |
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76 |
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1
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77 // Current format string for real numbers and the real part of complex |
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78 // numbers. |
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529
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79 static char *curr_real_fmt = 0; |
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1
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80 |
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81 // Current format string for the imaginary part of complex numbers. |
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529
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82 static char *curr_imag_fmt = 0; |
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1
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83 |
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3018
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84 // TRUE means don't do any fancy formatting. |
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2387
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85 static bool free_format = false; |
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1
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86 |
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3018
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87 // TRUE means print plus sign for nonzero, blank for zero. |
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2387
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88 static bool plus_format = false; |
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1
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89 |
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3018
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90 // TRUE means always print like dollars and cents. |
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2387
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91 static bool bank_format = false; |
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1282
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92 |
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3018
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93 // TRUE means print data in hexadecimal format. |
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2387
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94 static bool hex_format = false; |
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1282
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95 |
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3018
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96 // TRUE means print data in binary-bit-pattern format. |
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1309
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97 static int bit_format = 0; |
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98 |
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3018
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99 // TRUE means don't put newlines around the column number headers. |
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2387
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100 static bool compact_format = false; |
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1186
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101 |
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3018
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102 // TRUE means use an e format. |
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2387
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103 static bool print_e = false; |
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1
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104 |
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3018
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105 // TRUE means print E instead of e for exponent field. |
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2387
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106 static bool print_big_e = false; |
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1
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107 |
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1309
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108 // XXX FIXME XXX -- these should probably be somewhere else. |
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109 |
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1
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110 static double |
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164
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111 pr_max_internal (const Matrix& m) |
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1
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112 { |
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113 int nr = m.rows (); |
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114 int nc = m.columns (); |
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115 |
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3130
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116 double result = -DBL_MAX; |
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1
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117 |
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118 for (int j = 0; j < nc; j++) |
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119 for (int i = 0; i < nr; i++) |
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120 { |
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2305
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121 double val = m (i, j); |
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1
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122 if (xisinf (val) || xisnan (val)) |
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123 continue; |
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124 |
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125 if (val > result) |
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126 result = val; |
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127 } |
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128 return result; |
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129 } |
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130 |
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131 static double |
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164
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132 pr_min_internal (const Matrix& m) |
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1
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133 { |
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134 int nr = m.rows (); |
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135 int nc = m.columns (); |
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136 |
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137 double result = DBL_MAX; |
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138 |
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139 for (int j = 0; j < nc; j++) |
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140 for (int i = 0; i < nr; i++) |
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141 { |
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2305
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142 double val = m (i, j); |
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1
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143 if (xisinf (val) || xisnan (val)) |
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144 continue; |
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145 |
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146 if (val < result) |
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147 result = val; |
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148 } |
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149 return result; |
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150 } |
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151 |
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1658
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152 // XXX FIXME XXX -- it would be nice to share more code among these |
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153 // functions,.. |
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154 |
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1
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155 static void |
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2387
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156 set_real_format (bool sign, int digits, bool inf_or_nan, bool nan_or_int, |
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1658
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157 int &fw) |
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1
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158 { |
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278
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159 static char fmt_buf[128]; |
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1
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160 |
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2165
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161 int prec = Voutput_precision; |
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1
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162 |
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163 int ld, rd; |
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164 |
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165 if (bank_format) |
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166 { |
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167 fw = digits < 0 ? 4 : digits + 3; |
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168 if (inf_or_nan && fw < 3) |
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169 fw = 3; |
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170 fw += sign; |
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171 rd = 2; |
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172 } |
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1282
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173 else if (hex_format) |
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174 { |
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175 fw = 2 * sizeof (double); |
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176 rd = 0; |
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177 } |
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1309
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178 else if (bit_format) |
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179 { |
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180 fw = 8 * sizeof (double); |
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181 rd = 0; |
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182 } |
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1658
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183 else if (nan_or_int) |
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1
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184 { |
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185 fw = digits; |
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186 if (inf_or_nan && fw < 3) |
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187 fw = 3; |
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188 fw += sign; |
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189 rd = 0; |
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190 } |
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191 else |
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192 { |
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193 if (digits > 0) |
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194 { |
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195 ld = digits; |
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1658
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196 rd = prec > digits ? prec - digits : prec; |
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1
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197 digits++; |
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198 } |
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199 else |
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200 { |
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201 ld = 1; |
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1658
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202 rd = prec > digits ? prec - digits : prec; |
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1
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203 digits = -digits + 1; |
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204 } |
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205 |
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206 fw = ld + 1 + rd; |
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207 if (inf_or_nan && fw < 3) |
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208 fw = 3; |
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209 fw += sign; |
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210 } |
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211 |
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1309
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212 if (! (bank_format || hex_format || bit_format) |
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2165
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213 && (fw > Voutput_max_field_width || print_e)) |
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1
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214 { |
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215 int exp_field = 4; |
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216 if (digits > 100) |
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217 exp_field++; |
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218 |
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219 fw = 2 + prec + exp_field; |
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220 if (inf_or_nan && fw < 3) |
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221 fw = 3; |
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222 fw += sign; |
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223 |
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224 if (print_big_e) |
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225 sprintf (fmt_buf, "%%%d.%dE", fw, prec - 1); |
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226 else |
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227 sprintf (fmt_buf, "%%%d.%de", fw, prec - 1); |
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228 } |
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229 else |
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230 { |
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231 sprintf (fmt_buf, "%%%d.%df", fw, rd); |
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232 } |
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233 |
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234 curr_real_fmt = &fmt_buf[0]; |
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235 } |
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236 |
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1658
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237 static void |
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238 set_format (double d, int& fw) |
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239 { |
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240 curr_real_fmt = 0; |
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241 curr_imag_fmt = 0; |
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242 |
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243 if (free_format) |
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244 return; |
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245 |
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2387
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246 bool sign = (d < 0.0); |
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1658
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247 |
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2387
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248 bool inf_or_nan = (xisinf (d) || xisnan (d)); |
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1658
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249 |
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2387
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250 bool nan_or_int = (xisnan (d) || D_NINT (d) == d); |
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1658
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251 |
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252 double d_abs = d < 0.0 ? -d : d; |
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253 |
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2800
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254 int digits = (inf_or_nan || d_abs == 0.0) |
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255 ? 0 : static_cast<int> (floor (log10 (d_abs) + 1.0)); |
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1658
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256 |
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257 set_real_format (sign, digits, inf_or_nan, nan_or_int, fw); |
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258 } |
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259 |
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1
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260 static inline void |
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261 set_format (double d) |
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262 { |
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263 int fw; |
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264 set_format (d, fw); |
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265 } |
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266 |
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267 static void |
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2387
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268 set_real_matrix_format (bool sign, int x_max, int x_min, |
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269 bool inf_or_nan, int int_or_inf_or_nan, int& fw) |
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1
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270 { |
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278
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271 static char fmt_buf[128]; |
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1
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272 |
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2165
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273 int prec = Voutput_precision; |
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1
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274 |
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275 int ld, rd; |
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276 |
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277 if (bank_format) |
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278 { |
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279 int digits = x_max > x_min ? x_max : x_min; |
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280 fw = digits <= 0 ? 4 : digits + 3; |
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281 if (inf_or_nan && fw < 3) |
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282 fw = 3; |
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283 fw += sign; |
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284 rd = 2; |
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285 } |
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1282
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286 else if (hex_format) |
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287 { |
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288 fw = 2 * sizeof (double); |
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289 rd = 0; |
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290 } |
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1309
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291 else if (bit_format) |
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292 { |
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293 fw = 8 * sizeof (double); |
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294 rd = 0; |
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295 } |
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3268
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296 else if (Vfixed_point_format) |
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297 { |
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298 rd = prec; |
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299 fw = rd + 2; |
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300 if (inf_or_nan && fw < 3) |
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301 fw = 3; |
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302 fw += sign; |
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303 } |
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1715
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304 else if (int_or_inf_or_nan) |
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1
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305 { |
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306 int digits = x_max > x_min ? x_max : x_min; |
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307 fw = digits <= 0 ? 1 : digits; |
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308 if (inf_or_nan && fw < 3) |
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309 fw = 3; |
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310 fw += sign; |
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311 rd = 0; |
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312 } |
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313 else |
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314 { |
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315 int ld_max, rd_max; |
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316 if (x_max > 0) |
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317 { |
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318 ld_max = x_max; |
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1658
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319 rd_max = prec > x_max ? prec - x_max : prec; |
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1
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320 x_max++; |
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321 } |
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322 else |
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323 { |
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324 ld_max = 1; |
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1658
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325 rd_max = prec > x_max ? prec - x_max : prec; |
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1
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326 x_max = -x_max + 1; |
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327 } |
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328 |
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329 int ld_min, rd_min; |
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330 if (x_min > 0) |
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331 { |
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332 ld_min = x_min; |
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1658
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333 rd_min = prec > x_min ? prec - x_min : prec; |
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1
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334 x_min++; |
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335 } |
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336 else |
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337 { |
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338 ld_min = 1; |
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1658
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339 rd_min = prec > x_min ? prec - x_min : prec; |
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1
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340 x_min = -x_min + 1; |
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341 } |
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342 |
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343 ld = ld_max > ld_min ? ld_max : ld_min; |
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344 rd = rd_max > rd_min ? rd_max : rd_min; |
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345 |
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346 fw = ld + 1 + rd; |
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347 if (inf_or_nan && fw < 3) |
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348 fw = 3; |
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349 fw += sign; |
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350 } |
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351 |
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1658
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352 if (! (bank_format || hex_format || bit_format) |
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3105
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353 && (print_e |
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354 || (! Vfixed_point_format && fw > Voutput_max_field_width))) |
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1
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355 { |
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356 int exp_field = 4; |
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357 if (x_max > 100 || x_min > 100) |
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358 exp_field++; |
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359 |
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360 fw = 2 + prec + exp_field; |
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361 if (inf_or_nan && fw < 3) |
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362 fw = 3; |
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363 fw += sign; |
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364 |
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365 if (print_big_e) |
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366 sprintf (fmt_buf, "%%%d.%dE", fw, prec - 1); |
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367 else |
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368 sprintf (fmt_buf, "%%%d.%de", fw, prec - 1); |
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369 } |
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370 else |
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371 { |
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372 sprintf (fmt_buf, "%%%d.%df", fw, rd); |
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373 } |
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374 |
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375 curr_real_fmt = &fmt_buf[0]; |
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376 } |
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377 |
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1658
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378 static void |
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3105
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379 set_format (const Matrix& m, int& fw, double& scale) |
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1658
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380 { |
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381 curr_real_fmt = 0; |
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382 curr_imag_fmt = 0; |
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383 |
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384 if (free_format) |
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385 return; |
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386 |
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2387
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387 bool sign = m.any_element_is_negative (); |
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1658
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388 |
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2387
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389 bool inf_or_nan = m.any_element_is_inf_or_nan (); |
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1658
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390 |
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2387
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391 bool int_or_inf_or_nan = m.all_elements_are_int_or_inf_or_nan (); |
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1658
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392 |
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2387
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393 Matrix m_abs = m.abs (); |
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1658
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394 double max_abs = pr_max_internal (m_abs); |
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395 double min_abs = pr_min_internal (m_abs); |
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396 |
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2800
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397 int x_max = max_abs == 0.0 |
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398 ? 0 : static_cast<int> (floor (log10 (max_abs) + 1.0)); |
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399 |
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400 int x_min = min_abs == 0.0 |
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401 ? 0 : static_cast<int> (floor (log10 (min_abs) + 1.0)); |
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1658
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402 |
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3164
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403 scale = (x_max == 0 || int_or_inf_or_nan) ? 1.0 : pow (10.0, x_max - 1); |
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3105
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404 |
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1658
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405 set_real_matrix_format (sign, x_max, x_min, inf_or_nan, |
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1715
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406 int_or_inf_or_nan, fw); |
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1658
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407 } |
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408 |
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1
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409 static inline void |
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164
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410 set_format (const Matrix& m) |
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1
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411 { |
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412 int fw; |
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3105
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413 double scale; |
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414 set_format (m, fw, scale); |
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1
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415 } |
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416 |
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417 static void |
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2387
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418 set_complex_format (bool sign, int x_max, int x_min, int r_x, |
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419 bool inf_or_nan, int int_only, int& r_fw, int& i_fw) |
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1
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420 { |
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278
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421 static char r_fmt_buf[128]; |
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422 static char i_fmt_buf[128]; |
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1
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423 |
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2165
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424 int prec = Voutput_precision; |
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1
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425 |
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426 int ld, rd; |
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427 |
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428 if (bank_format) |
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429 { |
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430 int digits = r_x; |
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431 i_fw = 0; |
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432 r_fw = digits <= 0 ? 4 : digits + 3; |
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433 if (inf_or_nan && r_fw < 3) |
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434 r_fw = 3; |
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435 r_fw += sign; |
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436 rd = 2; |
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437 } |
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1282
|
438 else if (hex_format) |
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439 { |
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440 r_fw = 2 * sizeof (double); |
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441 i_fw = 2 * sizeof (double); |
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442 rd = 0; |
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443 } |
|
1309
|
444 else if (bit_format) |
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|
445 { |
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446 r_fw = 8 * sizeof (double); |
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447 i_fw = 8 * sizeof (double); |
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448 rd = 0; |
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449 } |
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1658
|
450 else if (inf_or_nan || int_only) |
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1
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451 { |
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452 int digits = x_max > x_min ? x_max : x_min; |
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453 i_fw = r_fw = digits <= 0 ? 1 : digits; |
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|
454 if (inf_or_nan && i_fw < 3) |
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455 i_fw = r_fw = 3; |
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456 r_fw += sign; |
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457 rd = 0; |
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458 } |
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459 else |
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460 { |
|
|
461 int ld_max, rd_max; |
|
|
462 if (x_max > 0) |
|
|
463 { |
|
|
464 ld_max = x_max; |
|
1658
|
465 rd_max = prec > x_max ? prec - x_max : prec; |
|
1
|
466 x_max++; |
|
|
467 } |
|
|
468 else |
|
|
469 { |
|
|
470 ld_max = 1; |
|
1658
|
471 rd_max = prec > x_max ? prec - x_max : prec; |
|
1
|
472 x_max = -x_max + 1; |
|
|
473 } |
|
|
474 |
|
|
475 int ld_min, rd_min; |
|
|
476 if (x_min > 0) |
|
|
477 { |
|
|
478 ld_min = x_min; |
|
1658
|
479 rd_min = prec > x_min ? prec - x_min : prec; |
|
1
|
480 x_min++; |
|
|
481 } |
|
|
482 else |
|
|
483 { |
|
|
484 ld_min = 1; |
|
1658
|
485 rd_min = prec > x_min ? prec - x_min : prec; |
|
1
|
486 x_min = -x_min + 1; |
|
|
487 } |
|
|
488 |
|
|
489 ld = ld_max > ld_min ? ld_max : ld_min; |
|
|
490 rd = rd_max > rd_min ? rd_max : rd_min; |
|
|
491 |
|
|
492 i_fw = r_fw = ld + 1 + rd; |
|
|
493 if (inf_or_nan && i_fw < 3) |
|
|
494 i_fw = r_fw = 3; |
|
|
495 r_fw += sign; |
|
|
496 } |
|
|
497 |
|
1309
|
498 if (! (bank_format || hex_format || bit_format) |
|
2165
|
499 && (r_fw > Voutput_max_field_width || print_e)) |
|
1
|
500 { |
|
|
501 int exp_field = 4; |
|
|
502 if (x_max > 100 || x_min > 100) |
|
|
503 exp_field++; |
|
|
504 |
|
|
505 i_fw = r_fw = 1 + prec + exp_field; |
|
|
506 if (inf_or_nan && i_fw < 3) |
|
|
507 i_fw = r_fw = 3; |
|
|
508 r_fw += sign; |
|
|
509 |
|
|
510 if (print_big_e) |
|
|
511 { |
|
|
512 sprintf (r_fmt_buf, "%%%d.%dE", r_fw, prec - 1); |
|
|
513 sprintf (i_fmt_buf, "%%%d.%dE", i_fw, prec - 1); |
|
|
514 } |
|
|
515 else |
|
|
516 { |
|
|
517 sprintf (r_fmt_buf, "%%%d.%de", r_fw, prec - 1); |
|
|
518 sprintf (i_fmt_buf, "%%%d.%de", i_fw, prec - 1); |
|
|
519 } |
|
|
520 } |
|
|
521 else |
|
|
522 { |
|
|
523 sprintf (r_fmt_buf, "%%%d.%df", r_fw, rd); |
|
|
524 sprintf (i_fmt_buf, "%%%d.%df", i_fw, rd); |
|
|
525 } |
|
|
526 |
|
|
527 curr_real_fmt = &r_fmt_buf[0]; |
|
|
528 curr_imag_fmt = &i_fmt_buf[0]; |
|
|
529 } |
|
|
530 |
|
1658
|
531 static void |
|
|
532 set_format (const Complex& c, int& r_fw, int& i_fw) |
|
|
533 { |
|
|
534 curr_real_fmt = 0; |
|
|
535 curr_imag_fmt = 0; |
|
|
536 |
|
|
537 if (free_format) |
|
|
538 return; |
|
|
539 |
|
|
540 double rp = c.real (); |
|
|
541 double ip = c.imag (); |
|
|
542 |
|
2387
|
543 bool sign = (rp < 0.0); |
|
1658
|
544 |
|
2387
|
545 bool inf_or_nan = (xisinf (c) || xisnan (c)); |
|
1658
|
546 |
|
2387
|
547 bool int_only = (D_NINT (rp) == rp && D_NINT (ip) == ip); |
|
1658
|
548 |
|
|
549 double r_abs = rp < 0.0 ? -rp : rp; |
|
|
550 double i_abs = ip < 0.0 ? -ip : ip; |
|
|
551 |
|
2800
|
552 int r_x = r_abs == 0.0 |
|
|
553 ? 0 : static_cast<int> (floor (log10 (r_abs) + 1.0)); |
|
|
554 |
|
|
555 int i_x = i_abs == 0.0 |
|
|
556 ? 0 : static_cast<int> (floor (log10 (i_abs) + 1.0)); |
|
1658
|
557 |
|
|
558 int x_max, x_min; |
|
|
559 |
|
|
560 if (r_x > i_x) |
|
|
561 { |
|
|
562 x_max = r_x; |
|
|
563 x_min = i_x; |
|
|
564 } |
|
|
565 else |
|
|
566 { |
|
|
567 x_max = i_x; |
|
|
568 x_min = r_x; |
|
|
569 } |
|
|
570 |
|
|
571 set_complex_format (sign, x_max, x_min, r_x, inf_or_nan, int_only, |
|
|
572 r_fw, i_fw); |
|
|
573 } |
|
|
574 |
|
1
|
575 static inline void |
|
164
|
576 set_format (const Complex& c) |
|
1
|
577 { |
|
|
578 int r_fw, i_fw; |
|
|
579 set_format (c, r_fw, i_fw); |
|
|
580 } |
|
|
581 |
|
|
582 static void |
|
2387
|
583 set_complex_matrix_format (bool sign, int x_max, int x_min, |
|
|
584 int r_x_max, int r_x_min, bool inf_or_nan, |
|
1715
|
585 int int_or_inf_or_nan, int& r_fw, int& i_fw) |
|
1
|
586 { |
|
278
|
587 static char r_fmt_buf[128]; |
|
|
588 static char i_fmt_buf[128]; |
|
1
|
589 |
|
2165
|
590 int prec = Voutput_precision; |
|
1
|
591 |
|
|
592 int ld, rd; |
|
|
593 |
|
|
594 if (bank_format) |
|
|
595 { |
|
|
596 int digits = r_x_max > r_x_min ? r_x_max : r_x_min; |
|
|
597 i_fw = 0; |
|
|
598 r_fw = digits <= 0 ? 4 : digits + 3; |
|
|
599 if (inf_or_nan && i_fw < 3) |
|
|
600 i_fw = r_fw = 3; |
|
|
601 r_fw += sign; |
|
|
602 rd = 2; |
|
|
603 } |
|
1282
|
604 else if (hex_format) |
|
|
605 { |
|
|
606 r_fw = 2 * sizeof (double); |
|
|
607 i_fw = 2 * sizeof (double); |
|
|
608 rd = 0; |
|
|
609 } |
|
1309
|
610 else if (bit_format) |
|
|
611 { |
|
|
612 r_fw = 8 * sizeof (double); |
|
|
613 i_fw = 8 * sizeof (double); |
|
|
614 rd = 0; |
|
|
615 } |
|
3268
|
616 else if (Vfixed_point_format) |
|
|
617 { |
|
|
618 rd = prec; |
|
|
619 i_fw = r_fw = rd + 2; |
|
|
620 if (inf_or_nan && i_fw < 3) |
|
|
621 i_fw = r_fw = 3; |
|
|
622 r_fw += sign; |
|
|
623 } |
|
1715
|
624 else if (int_or_inf_or_nan) |
|
1
|
625 { |
|
|
626 int digits = x_max > x_min ? x_max : x_min; |
|
|
627 i_fw = r_fw = digits <= 0 ? 1 : digits; |
|
|
628 if (inf_or_nan && i_fw < 3) |
|
|
629 i_fw = r_fw = 3; |
|
|
630 r_fw += sign; |
|
|
631 rd = 0; |
|
|
632 } |
|
|
633 else |
|
|
634 { |
|
|
635 int ld_max, rd_max; |
|
|
636 if (x_max > 0) |
|
|
637 { |
|
|
638 ld_max = x_max; |
|
1658
|
639 rd_max = prec > x_max ? prec - x_max : prec; |
|
1
|
640 x_max++; |
|
|
641 } |
|
|
642 else |
|
|
643 { |
|
|
644 ld_max = 1; |
|
1658
|
645 rd_max = prec > x_max ? prec - x_max : prec; |
|
1
|
646 x_max = -x_max + 1; |
|
|
647 } |
|
|
648 |
|
|
649 int ld_min, rd_min; |
|
|
650 if (x_min > 0) |
|
|
651 { |
|
|
652 ld_min = x_min; |
|
1658
|
653 rd_min = prec > x_min ? prec - x_min : prec; |
|
1
|
654 x_min++; |
|
|
655 } |
|
|
656 else |
|
|
657 { |
|
|
658 ld_min = 1; |
|
1658
|
659 rd_min = prec > x_min ? prec - x_min : prec; |
|
1
|
660 x_min = -x_min + 1; |
|
|
661 } |
|
|
662 |
|
|
663 ld = ld_max > ld_min ? ld_max : ld_min; |
|
|
664 rd = rd_max > rd_min ? rd_max : rd_min; |
|
|
665 |
|
|
666 i_fw = r_fw = ld + 1 + rd; |
|
|
667 if (inf_or_nan && i_fw < 3) |
|
|
668 i_fw = r_fw = 3; |
|
|
669 r_fw += sign; |
|
|
670 } |
|
|
671 |
|
1309
|
672 if (! (bank_format || hex_format || bit_format) |
|
3105
|
673 && (print_e |
|
|
674 || (! Vfixed_point_format && r_fw > Voutput_max_field_width))) |
|
1
|
675 { |
|
|
676 int exp_field = 4; |
|
|
677 if (x_max > 100 || x_min > 100) |
|
|
678 exp_field++; |
|
|
679 |
|
|
680 i_fw = r_fw = 1 + prec + exp_field; |
|
|
681 if (inf_or_nan && i_fw < 3) |
|
|
682 i_fw = r_fw = 3; |
|
|
683 r_fw += sign; |
|
|
684 |
|
|
685 if (print_big_e) |
|
|
686 { |
|
|
687 sprintf (r_fmt_buf, "%%%d.%dE", r_fw, prec - 1); |
|
|
688 sprintf (i_fmt_buf, "%%%d.%dE", i_fw, prec - 1); |
|
|
689 } |
|
|
690 else |
|
|
691 { |
|
|
692 sprintf (r_fmt_buf, "%%%d.%de", r_fw, prec - 1); |
|
|
693 sprintf (i_fmt_buf, "%%%d.%de", i_fw, prec - 1); |
|
|
694 } |
|
|
695 } |
|
|
696 else |
|
|
697 { |
|
|
698 sprintf (r_fmt_buf, "%%%d.%df", r_fw, rd); |
|
|
699 sprintf (i_fmt_buf, "%%%d.%df", i_fw, rd); |
|
|
700 } |
|
|
701 |
|
|
702 curr_real_fmt = &r_fmt_buf[0]; |
|
|
703 curr_imag_fmt = &i_fmt_buf[0]; |
|
|
704 } |
|
|
705 |
|
1658
|
706 static void |
|
3105
|
707 set_format (const ComplexMatrix& cm, int& r_fw, int& i_fw, double& scale) |
|
1658
|
708 { |
|
|
709 curr_real_fmt = 0; |
|
|
710 curr_imag_fmt = 0; |
|
|
711 |
|
|
712 if (free_format) |
|
|
713 return; |
|
|
714 |
|
|
715 Matrix rp = real (cm); |
|
|
716 Matrix ip = imag (cm); |
|
|
717 |
|
2387
|
718 bool sign = rp.any_element_is_negative (); |
|
1658
|
719 |
|
2387
|
720 bool inf_or_nan = cm.any_element_is_inf_or_nan (); |
|
1658
|
721 |
|
2387
|
722 bool int_or_inf_or_nan = (rp.all_elements_are_int_or_inf_or_nan () |
|
|
723 && ip.all_elements_are_int_or_inf_or_nan ()); |
|
1658
|
724 |
|
2387
|
725 Matrix r_m_abs = rp.abs (); |
|
1658
|
726 double r_max_abs = pr_max_internal (r_m_abs); |
|
|
727 double r_min_abs = pr_min_internal (r_m_abs); |
|
|
728 |
|
2387
|
729 Matrix i_m_abs = ip.abs (); |
|
1658
|
730 double i_max_abs = pr_max_internal (i_m_abs); |
|
|
731 double i_min_abs = pr_min_internal (i_m_abs); |
|
|
732 |
|
2800
|
733 int r_x_max = r_max_abs == 0.0 |
|
|
734 ? 0 : static_cast<int> (floor (log10 (r_max_abs) + 1.0)); |
|
|
735 |
|
|
736 int r_x_min = r_min_abs == 0.0 |
|
|
737 ? 0 : static_cast<int> (floor (log10 (r_min_abs) + 1.0)); |
|
1658
|
738 |
|
2800
|
739 int i_x_max = i_max_abs == 0.0 |
|
|
740 ? 0 : static_cast<int> (floor (log10 (i_max_abs) + 1.0)); |
|
|
741 |
|
|
742 int i_x_min = i_min_abs == 0.0 |
|
|
743 ? 0 : static_cast<int> (floor (log10 (i_min_abs) + 1.0)); |
|
1658
|
744 |
|
|
745 int x_max = r_x_max > i_x_max ? r_x_max : i_x_max; |
|
|
746 int x_min = r_x_min > i_x_min ? r_x_min : i_x_min; |
|
|
747 |
|
3164
|
748 scale = (x_max == 0 || int_or_inf_or_nan) ? 1.0 : pow (10.0, x_max - 1); |
|
3105
|
749 |
|
1658
|
750 set_complex_matrix_format (sign, x_max, x_min, r_x_max, r_x_min, |
|
1715
|
751 inf_or_nan, int_or_inf_or_nan, r_fw, i_fw); |
|
1658
|
752 } |
|
|
753 |
|
1
|
754 static inline void |
|
164
|
755 set_format (const ComplexMatrix& cm) |
|
1
|
756 { |
|
|
757 int r_fw, i_fw; |
|
3105
|
758 double scale; |
|
|
759 set_format (cm, r_fw, i_fw, scale); |
|
1
|
760 } |
|
|
761 |
|
|
762 static void |
|
3105
|
763 set_range_format (bool sign, int x_max, int x_min, int all_ints, |
|
|
764 int& fw) |
|
1
|
765 { |
|
278
|
766 static char fmt_buf[128]; |
|
1
|
767 |
|
2165
|
768 int prec = Voutput_precision; |
|
1
|
769 |
|
|
770 int ld, rd; |
|
|
771 |
|
|
772 if (bank_format) |
|
|
773 { |
|
|
774 int digits = x_max > x_min ? x_max : x_min; |
|
|
775 fw = sign + digits < 0 ? 4 : digits + 3; |
|
|
776 rd = 2; |
|
|
777 } |
|
1282
|
778 else if (hex_format) |
|
|
779 { |
|
|
780 fw = 2 * sizeof (double); |
|
|
781 rd = 0; |
|
|
782 } |
|
1309
|
783 else if (bit_format) |
|
|
784 { |
|
|
785 fw = 8 * sizeof (double); |
|
|
786 rd = 0; |
|
|
787 } |
|
1658
|
788 else if (all_ints) |
|
1
|
789 { |
|
|
790 int digits = x_max > x_min ? x_max : x_min; |
|
|
791 fw = sign + digits; |
|
|
792 rd = 0; |
|
|
793 } |
|
3105
|
794 else if (Vfixed_point_format) |
|
|
795 { |
|
|
796 rd = prec; |
|
|
797 fw = rd + 2 + sign; |
|
|
798 } |
|
1
|
799 else |
|
|
800 { |
|
|
801 int ld_max, rd_max; |
|
|
802 if (x_max > 0) |
|
|
803 { |
|
|
804 ld_max = x_max; |
|
1658
|
805 rd_max = prec > x_max ? prec - x_max : prec; |
|
1
|
806 x_max++; |
|
|
807 } |
|
|
808 else |
|
|
809 { |
|
|
810 ld_max = 1; |
|
1658
|
811 rd_max = prec > x_max ? prec - x_max : prec; |
|
1
|
812 x_max = -x_max + 1; |
|
|
813 } |
|
|
814 |
|
|
815 int ld_min, rd_min; |
|
|
816 if (x_min > 0) |
|
|
817 { |
|
|
818 ld_min = x_min; |
|
1658
|
819 rd_min = prec > x_min ? prec - x_min : prec; |
|
1
|
820 x_min++; |
|
|
821 } |
|
|
822 else |
|
|
823 { |
|
|
824 ld_min = 1; |
|
1658
|
825 rd_min = prec > x_min ? prec - x_min : prec; |
|
1
|
826 x_min = -x_min + 1; |
|
|
827 } |
|
|
828 |
|
|
829 ld = ld_max > ld_min ? ld_max : ld_min; |
|
|
830 rd = rd_max > rd_min ? rd_max : rd_min; |
|
|
831 |
|
|
832 fw = sign + ld + 1 + rd; |
|
|
833 } |
|
|
834 |
|
1309
|
835 if (! (bank_format || hex_format || bit_format) |
|
3105
|
836 && (print_e |
|
|
837 || (! Vfixed_point_format && fw > Voutput_max_field_width))) |
|
1
|
838 { |
|
|
839 int exp_field = 4; |
|
|
840 if (x_max > 100 || x_min > 100) |
|
|
841 exp_field++; |
|
|
842 |
|
|
843 fw = sign + 2 + prec + exp_field; |
|
|
844 |
|
|
845 if (print_big_e) |
|
|
846 sprintf (fmt_buf, "%%%d.%dE", fw, prec - 1); |
|
|
847 else |
|
|
848 sprintf (fmt_buf, "%%%d.%de", fw, prec - 1); |
|
|
849 } |
|
|
850 else |
|
|
851 { |
|
|
852 sprintf (fmt_buf, "%%%d.%df", fw, rd); |
|
|
853 } |
|
|
854 |
|
|
855 curr_real_fmt = &fmt_buf[0]; |
|
|
856 } |
|
|
857 |
|
1658
|
858 static void |
|
3105
|
859 set_format (const Range& r, int& fw, double& scale) |
|
1658
|
860 { |
|
|
861 curr_real_fmt = 0; |
|
|
862 curr_imag_fmt = 0; |
|
|
863 |
|
|
864 if (free_format) |
|
|
865 return; |
|
|
866 |
|
|
867 double r_min = r.base (); |
|
|
868 double r_max = r.limit (); |
|
|
869 |
|
|
870 if (r_max < r_min) |
|
|
871 { |
|
|
872 double tmp = r_max; |
|
|
873 r_max = r_min; |
|
|
874 r_min = tmp; |
|
|
875 } |
|
|
876 |
|
2387
|
877 bool sign = (r_min < 0.0); |
|
1658
|
878 |
|
2387
|
879 bool all_ints = r.all_elements_are_ints (); |
|
1658
|
880 |
|
|
881 double max_abs = r_max < 0.0 ? -r_max : r_max; |
|
|
882 double min_abs = r_min < 0.0 ? -r_min : r_min; |
|
|
883 |
|
2800
|
884 int x_max = max_abs == 0.0 |
|
|
885 ? 0 : static_cast<int> (floor (log10 (max_abs) + 1.0)); |
|
|
886 |
|
|
887 int x_min = min_abs == 0.0 |
|
|
888 ? 0 : static_cast<int> (floor (log10 (min_abs) + 1.0)); |
|
1658
|
889 |
|
3164
|
890 scale = (x_max == 0 || all_ints) ? 1.0 : pow (10.0, x_max - 1); |
|
3105
|
891 |
|
1658
|
892 set_range_format (sign, x_max, x_min, all_ints, fw); |
|
|
893 } |
|
|
894 |
|
1
|
895 static inline void |
|
164
|
896 set_format (const Range& r) |
|
1
|
897 { |
|
|
898 int fw; |
|
3105
|
899 double scale; |
|
|
900 set_format (r, fw, scale); |
|
1
|
901 } |
|
|
902 |
|
1282
|
903 union equiv |
|
|
904 { |
|
|
905 double d; |
|
|
906 unsigned char i[sizeof (double)]; |
|
|
907 }; |
|
|
908 |
|
1309
|
909 #define PRINT_CHAR_BITS(os, c) \ |
|
|
910 do \ |
|
|
911 { \ |
|
|
912 unsigned char ctmp = c; \ |
|
|
913 char stmp[9]; \ |
|
1488
|
914 stmp[0] = (ctmp & 0x80) ? '1' : '0'; \ |
|
|
915 stmp[1] = (ctmp & 0x40) ? '1' : '0'; \ |
|
|
916 stmp[2] = (ctmp & 0x20) ? '1' : '0'; \ |
|
|
917 stmp[3] = (ctmp & 0x10) ? '1' : '0'; \ |
|
|
918 stmp[4] = (ctmp & 0x08) ? '1' : '0'; \ |
|
|
919 stmp[5] = (ctmp & 0x04) ? '1' : '0'; \ |
|
|
920 stmp[6] = (ctmp & 0x02) ? '1' : '0'; \ |
|
|
921 stmp[7] = (ctmp & 0x01) ? '1' : '0'; \ |
|
1309
|
922 stmp[8] = '\0'; \ |
|
3013
|
923 os << stmp; \ |
|
1309
|
924 } \ |
|
|
925 while (0) |
|
|
926 |
|
|
927 #define PRINT_CHAR_BITS_SWAPPED(os, c) \ |
|
|
928 do \ |
|
|
929 { \ |
|
|
930 unsigned char ctmp = c; \ |
|
|
931 char stmp[9]; \ |
|
1488
|
932 stmp[0] = (ctmp & 0x01) ? '1' : '0'; \ |
|
|
933 stmp[1] = (ctmp & 0x02) ? '1' : '0'; \ |
|
|
934 stmp[2] = (ctmp & 0x04) ? '1' : '0'; \ |
|
|
935 stmp[3] = (ctmp & 0x08) ? '1' : '0'; \ |
|
|
936 stmp[4] = (ctmp & 0x10) ? '1' : '0'; \ |
|
|
937 stmp[5] = (ctmp & 0x20) ? '1' : '0'; \ |
|
|
938 stmp[6] = (ctmp & 0x40) ? '1' : '0'; \ |
|
|
939 stmp[7] = (ctmp & 0x80) ? '1' : '0'; \ |
|
1309
|
940 stmp[8] = '\0'; \ |
|
3013
|
941 os << stmp; \ |
|
1309
|
942 } \ |
|
|
943 while (0) |
|
|
944 |
|
2522
|
945 static void |
|
626
|
946 pr_any_float (const char *fmt, ostream& os, double d, int fw = 0) |
|
1
|
947 { |
|
2522
|
948 #if defined (SCO) |
|
|
949 // Apparently on some SCO systems NaN == -0.0 is true. Compiler bug? |
|
|
950 if (d == -0.0 && ! xisnan (d)) |
|
|
951 d = 0.0; |
|
|
952 #else |
|
1
|
953 if (d == -0.0) |
|
|
954 d = 0.0; |
|
2522
|
955 #endif |
|
1
|
956 |
|
529
|
957 if (fmt) |
|
1
|
958 { |
|
1282
|
959 if (hex_format) |
|
|
960 { |
|
|
961 equiv tmp; |
|
|
962 tmp.d = d; |
|
|
963 |
|
|
964 // Unless explicitly asked for, always print in big-endian |
|
|
965 // format. |
|
|
966 |
|
|
967 // XXX FIXME XXX -- is it correct to swap bytes for VAX |
|
|
968 // formats and not for Cray? |
|
|
969 |
|
3013
|
970 // XXX FIXME XXX -- will bad things happen if we are |
|
|
971 // interrupted before resetting the format flags and fill |
|
|
972 // character? |
|
|
973 |
|
2317
|
974 oct_mach_info::float_format flt_fmt = |
|
|
975 oct_mach_info::native_float_format (); |
|
|
976 |
|
3013
|
977 char ofill = os.fill ('0'); |
|
|
978 |
|
|
979 ios::fmtflags oflags = os.setf (ios::right); |
|
|
980 os.setf (ios::hex, ios::basefield); |
|
|
981 |
|
1282
|
982 if (hex_format > 1 |
|
2317
|
983 || flt_fmt == oct_mach_info::ieee_big_endian |
|
|
984 || flt_fmt == oct_mach_info::cray |
|
|
985 || flt_fmt == oct_mach_info::unknown) |
|
1282
|
986 { |
|
1322
|
987 for (size_t i = 0; i < sizeof (double); i++) |
|
3013
|
988 os << setw (2) << static_cast<int> (tmp.i[i]); |
|
1282
|
989 } |
|
|
990 else |
|
|
991 { |
|
1328
|
992 for (int i = sizeof (double) - 1; i >= 0; i--) |
|
3013
|
993 os << setw (2) << static_cast<int> (tmp.i[i]); |
|
1282
|
994 } |
|
3013
|
995 |
|
|
996 os.fill (ofill); |
|
|
997 os.setf (oflags); |
|
1282
|
998 } |
|
1309
|
999 else if (bit_format) |
|
|
1000 { |
|
|
1001 equiv tmp; |
|
|
1002 tmp.d = d; |
|
|
1003 |
|
|
1004 // Unless explicitly asked for, always print in big-endian |
|
|
1005 // format. |
|
|
1006 |
|
|
1007 // XXX FIXME XXX -- is it correct to swap bytes for VAX |
|
|
1008 // formats and not for Cray? |
|
|
1009 |
|
2317
|
1010 oct_mach_info::float_format flt_fmt = |
|
|
1011 oct_mach_info::native_float_format (); |
|
|
1012 |
|
|
1013 if (flt_fmt == oct_mach_info::ieee_big_endian |
|
|
1014 || flt_fmt == oct_mach_info::cray |
|
|
1015 || flt_fmt == oct_mach_info::unknown) |
|
1309
|
1016 { |
|
1322
|
1017 for (size_t i = 0; i < sizeof (double); i++) |
|
1309
|
1018 PRINT_CHAR_BITS (os, tmp.i[i]); |
|
|
1019 } |
|
|
1020 else |
|
|
1021 { |
|
|
1022 if (bit_format > 1) |
|
|
1023 { |
|
1328
|
1024 for (size_t i = 0; i < sizeof (double); i++) |
|
1309
|
1025 PRINT_CHAR_BITS_SWAPPED (os, tmp.i[i]); |
|
|
1026 } |
|
|
1027 else |
|
|
1028 { |
|
|
1029 for (int i = sizeof (double) - 1; i >= 0; i--) |
|
|
1030 PRINT_CHAR_BITS (os, tmp.i[i]); |
|
|
1031 } |
|
|
1032 } |
|
|
1033 } |
|
1282
|
1034 else if (xisinf (d)) |
|
1
|
1035 { |
|
2804
|
1036 const char *s; |
|
1
|
1037 if (d < 0.0) |
|
|
1038 s = "-Inf"; |
|
|
1039 else |
|
|
1040 s = "Inf"; |
|
|
1041 |
|
|
1042 if (fw > 0) |
|
3013
|
1043 os << setw (fw) << s; |
|
1
|
1044 else |
|
|
1045 os << s; |
|
|
1046 } |
|
|
1047 else if (xisnan (d)) |
|
|
1048 { |
|
|
1049 if (fw > 0) |
|
3013
|
1050 os << setw (fw) << "NaN"; |
|
1
|
1051 else |
|
|
1052 os << "NaN"; |
|
|
1053 } |
|
|
1054 else |
|
|
1055 os.form (fmt, d); |
|
|
1056 } |
|
529
|
1057 else |
|
|
1058 os << d; |
|
1
|
1059 } |
|
|
1060 |
|
|
1061 static inline void |
|
626
|
1062 pr_float (ostream& os, double d, int fw = 0) |
|
1
|
1063 { |
|
|
1064 pr_any_float (curr_real_fmt, os, d, fw); |
|
|
1065 } |
|
|
1066 |
|
|
1067 static inline void |
|
626
|
1068 pr_imag_float (ostream& os, double d, int fw = 0) |
|
1
|
1069 { |
|
|
1070 pr_any_float (curr_imag_fmt, os, d, fw); |
|
|
1071 } |
|
|
1072 |
|
2522
|
1073 static void |
|
626
|
1074 pr_complex (ostream& os, const Complex& c, int r_fw = 0, int i_fw = 0) |
|
1
|
1075 { |
|
|
1076 double r = c.real (); |
|
|
1077 pr_float (os, r, r_fw); |
|
|
1078 if (! bank_format) |
|
|
1079 { |
|
|
1080 double i = c.imag (); |
|
1309
|
1081 if (! (hex_format || bit_format) && i < 0) |
|
1
|
1082 { |
|
|
1083 os << " - "; |
|
|
1084 i = -i; |
|
|
1085 pr_imag_float (os, i, i_fw); |
|
|
1086 } |
|
|
1087 else |
|
|
1088 { |
|
1309
|
1089 if (hex_format || bit_format) |
|
1282
|
1090 os << " "; |
|
|
1091 else |
|
|
1092 os << " + "; |
|
|
1093 |
|
1
|
1094 pr_imag_float (os, i, i_fw); |
|
|
1095 } |
|
|
1096 os << "i"; |
|
|
1097 } |
|
|
1098 } |
|
|
1099 |
|
626
|
1100 static void |
|
1972
|
1101 print_empty_matrix (ostream& os, int nr, int nc, bool pr_as_read_syntax) |
|
626
|
1102 { |
|
|
1103 assert (nr == 0 || nc == 0); |
|
|
1104 |
|
|
1105 if (pr_as_read_syntax) |
|
|
1106 { |
|
|
1107 if (nr == 0 && nc == 0) |
|
|
1108 os << "[]"; |
|
|
1109 else |
|
|
1110 os << "zeros (" << nr << ", " << nc << ")"; |
|
|
1111 } |
|
|
1112 else |
|
|
1113 { |
|
|
1114 os << "[]"; |
|
2165
|
1115 if (Vprint_empty_dimensions) |
|
626
|
1116 os << "(" << nr << "x" << nc << ")"; |
|
|
1117 } |
|
|
1118 } |
|
|
1119 |
|
1186
|
1120 static void |
|
3105
|
1121 pr_scale_header (ostream& os, double scale) |
|
|
1122 { |
|
|
1123 if (Vfixed_point_format && scale != 1.0) |
|
|
1124 { |
|
|
1125 os.form (" %-8.1e *\n", scale); |
|
|
1126 |
|
|
1127 if (! compact_format) |
|
|
1128 os << "\n"; |
|
|
1129 } |
|
|
1130 } |
|
|
1131 |
|
|
1132 static void |
|
1186
|
1133 pr_col_num_header (ostream& os, int total_width, int max_width, |
|
1972
|
1134 int lim, int col, int extra_indent) |
|
1186
|
1135 { |
|
2165
|
1136 if (total_width > max_width && Vsplit_long_rows) |
|
1186
|
1137 { |
|
|
1138 if (col != 0 && ! compact_format) |
|
2915
|
1139 os << "\n\n"; |
|
1186
|
1140 |
|
|
1141 int num_cols = lim - col; |
|
|
1142 |
|
3013
|
1143 os << setw (extra_indent) << ""; |
|
1972
|
1144 |
|
1186
|
1145 if (num_cols == 1) |
|
|
1146 os << " Column " << col + 1 << ":\n"; |
|
|
1147 else if (num_cols == 2) |
|
|
1148 os << " Columns " << col + 1 << " and " << lim << ":\n"; |
|
|
1149 else |
|
|
1150 os << " Columns " << col + 1 << " through " << lim << ":\n"; |
|
2915
|
1151 |
|
|
1152 if (! compact_format) |
|
|
1153 os << "\n"; |
|
1186
|
1154 } |
|
|
1155 } |
|
|
1156 |
|
3248
|
1157 static inline void |
|
|
1158 do_plus_format (ostream& os, double d) |
|
|
1159 { |
|
|
1160 if (d == 0.0) |
|
|
1161 os << " "; |
|
|
1162 else if (d < 0.0) |
|
|
1163 os << "-"; |
|
|
1164 else |
|
|
1165 os << "+"; |
|
|
1166 } |
|
|
1167 |
|
1
|
1168 void |
|
1972
|
1169 octave_print_internal (ostream& os, double d, bool pr_as_read_syntax) |
|
1
|
1170 { |
|
|
1171 if (plus_format) |
|
|
1172 { |
|
3248
|
1173 do_plus_format (os, d); |
|
1
|
1174 } |
|
|
1175 else |
|
|
1176 { |
|
|
1177 set_format (d); |
|
|
1178 if (free_format) |
|
|
1179 os << d; |
|
|
1180 else |
|
|
1181 pr_float (os, d); |
|
|
1182 } |
|
|
1183 } |
|
|
1184 |
|
|
1185 void |
|
1972
|
1186 octave_print_internal (ostream& os, const Matrix& m, bool pr_as_read_syntax, |
|
|
1187 int extra_indent) |
|
1
|
1188 { |
|
|
1189 int nr = m.rows (); |
|
|
1190 int nc = m.columns (); |
|
|
1191 |
|
2408
|
1192 if (nr == 0 || nc == 0) |
|
626
|
1193 print_empty_matrix (os, nr, nc, pr_as_read_syntax); |
|
|
1194 else if (plus_format && ! pr_as_read_syntax) |
|
1
|
1195 { |
|
|
1196 for (int i = 0; i < nr; i++) |
|
|
1197 { |
|
|
1198 for (int j = 0; j < nc; j++) |
|
|
1199 { |
|
|
1200 if (j == 0) |
|
|
1201 os << " "; |
|
|
1202 |
|
3248
|
1203 do_plus_format (os, m (i, j)); |
|
1
|
1204 } |
|
2907
|
1205 |
|
|
1206 if (i < nr - 1) |
|
|
1207 os << "\n"; |
|
1
|
1208 } |
|
|
1209 } |
|
|
1210 else |
|
|
1211 { |
|
|
1212 int fw; |
|
3105
|
1213 double scale = 1.0; |
|
|
1214 set_format (m, fw, scale); |
|
1
|
1215 int column_width = fw + 2; |
|
|
1216 int total_width = nc * column_width; |
|
2926
|
1217 int max_width = command_editor::terminal_cols (); |
|
1
|
1218 |
|
626
|
1219 if (pr_as_read_syntax) |
|
|
1220 max_width -= 4; |
|
1972
|
1221 else |
|
|
1222 max_width -= extra_indent; |
|
|
1223 |
|
|
1224 if (max_width < 0) |
|
|
1225 max_width = 0; |
|
626
|
1226 |
|
1
|
1227 if (free_format) |
|
|
1228 { |
|
626
|
1229 if (pr_as_read_syntax) |
|
|
1230 os << "[\n"; |
|
|
1231 |
|
1
|
1232 os << m; |
|
626
|
1233 |
|
|
1234 if (pr_as_read_syntax) |
|
|
1235 os << "]"; |
|
|
1236 |
|
1
|
1237 return; |
|
|
1238 } |
|
|
1239 |
|
|
1240 int inc = nc; |
|
2165
|
1241 if (total_width > max_width && Vsplit_long_rows) |
|
1
|
1242 { |
|
|
1243 inc = max_width / column_width; |
|
|
1244 if (inc == 0) |
|
|
1245 inc++; |
|
|
1246 } |
|
|
1247 |
|
626
|
1248 if (pr_as_read_syntax) |
|
1
|
1249 { |
|
|
1250 for (int i = 0; i < nr; i++) |
|
|
1251 { |
|
626
|
1252 int col = 0; |
|
|
1253 while (col < nc) |
|
1
|
1254 { |
|
626
|
1255 int lim = col + inc < nc ? col + inc : nc; |
|
|
1256 |
|
|
1257 for (int j = col; j < lim; j++) |
|
|
1258 { |
|
|
1259 if (i == 0 && j == 0) |
|
|
1260 os << "[ "; |
|
|
1261 else |
|
|
1262 { |
|
|
1263 if (j > col && j < lim) |
|
|
1264 os << ", "; |
|
|
1265 else |
|
|
1266 os << " "; |
|
|
1267 } |
|
|
1268 |
|
2305
|
1269 pr_float (os, m (i, j)); |
|
626
|
1270 } |
|
|
1271 |
|
|
1272 col += inc; |
|
|
1273 |
|
|
1274 if (col >= nc) |
|
|
1275 { |
|
|
1276 if (i == nr - 1) |
|
|
1277 os << " ]"; |
|
|
1278 else |
|
|
1279 os << ";\n"; |
|
|
1280 } |
|
|
1281 else |
|
|
1282 os << " ...\n"; |
|
1
|
1283 } |
|
|
1284 } |
|
626
|
1285 } |
|
|
1286 else |
|
|
1287 { |
|
3105
|
1288 pr_scale_header (os, scale); |
|
|
1289 |
|
626
|
1290 for (int col = 0; col < nc; col += inc) |
|
|
1291 { |
|
|
1292 int lim = col + inc < nc ? col + inc : nc; |
|
|
1293 |
|
1972
|
1294 pr_col_num_header (os, total_width, max_width, lim, col, |
|
|
1295 extra_indent); |
|
626
|
1296 |
|
|
1297 for (int i = 0; i < nr; i++) |
|
|
1298 { |
|
3013
|
1299 os << setw (extra_indent) << ""; |
|
1972
|
1300 |
|
626
|
1301 for (int j = col; j < lim; j++) |
|
|
1302 { |
|
|
1303 os << " "; |
|
|
1304 |
|
3105
|
1305 double tmp = (Vfixed_point_format && scale != 1.0) |
|
|
1306 ? m(i,j) / scale : m(i,j); |
|
|
1307 |
|
|
1308 pr_float (os, tmp, fw); |
|
626
|
1309 } |
|
|
1310 |
|
2907
|
1311 if (i < nr - 1) |
|
|
1312 os << "\n"; |
|
626
|
1313 } |
|
|
1314 } |
|
1
|
1315 } |
|
|
1316 } |
|
|
1317 } |
|
|
1318 |
|
3248
|
1319 static inline void |
|
|
1320 do_plus_format (ostream& os, const Complex& c) |
|
|
1321 { |
|
|
1322 double rp = c.real (); |
|
|
1323 double ip = c.imag (); |
|
|
1324 |
|
|
1325 if (rp == 0.0) |
|
|
1326 { |
|
|
1327 if (ip == 0.0) |
|
|
1328 os << " "; |
|
|
1329 else |
|
|
1330 os << "i"; |
|
|
1331 } |
|
|
1332 else if (ip == 0.0) |
|
|
1333 do_plus_format (os, rp); |
|
|
1334 else |
|
|
1335 os << "c"; |
|
|
1336 } |
|
|
1337 |
|
1
|
1338 void |
|
626
|
1339 octave_print_internal (ostream& os, const Complex& c, |
|
1972
|
1340 bool pr_as_read_syntax) |
|
1
|
1341 { |
|
|
1342 if (plus_format) |
|
|
1343 { |
|
3248
|
1344 do_plus_format (os, c); |
|
1
|
1345 } |
|
|
1346 else |
|
|
1347 { |
|
|
1348 set_format (c); |
|
|
1349 if (free_format) |
|
|
1350 os << c; |
|
|
1351 else |
|
|
1352 pr_complex (os, c); |
|
|
1353 } |
|
|
1354 } |
|
|
1355 |
|
|
1356 void |
|
626
|
1357 octave_print_internal (ostream& os, const ComplexMatrix& cm, |
|
1972
|
1358 bool pr_as_read_syntax, int extra_indent) |
|
1
|
1359 { |
|
|
1360 int nr = cm.rows (); |
|
|
1361 int nc = cm.columns (); |
|
|
1362 |
|
2408
|
1363 if (nr == 0 || nc == 0) |
|
626
|
1364 print_empty_matrix (os, nr, nc, pr_as_read_syntax); |
|
|
1365 else if (plus_format && ! pr_as_read_syntax) |
|
1
|
1366 { |
|
|
1367 for (int i = 0; i < nr; i++) |
|
|
1368 { |
|
|
1369 for (int j = 0; j < nc; j++) |
|
|
1370 { |
|
|
1371 if (j == 0) |
|
|
1372 os << " "; |
|
|
1373 |
|
3248
|
1374 do_plus_format (os, cm (i, j)); |
|
1
|
1375 } |
|
2907
|
1376 |
|
|
1377 if (i < nr - 1) |
|
|
1378 os << "\n"; |
|
1
|
1379 } |
|
|
1380 } |
|
|
1381 else |
|
|
1382 { |
|
|
1383 int r_fw, i_fw; |
|
3105
|
1384 double scale = 1.0; |
|
|
1385 set_format (cm, r_fw, i_fw, scale); |
|
1
|
1386 int column_width = i_fw + r_fw; |
|
1309
|
1387 column_width += (bank_format || hex_format|| bit_format) ? 2 : 7; |
|
1
|
1388 int total_width = nc * column_width; |
|
2926
|
1389 int max_width = command_editor::terminal_cols (); |
|
1
|
1390 |
|
626
|
1391 if (pr_as_read_syntax) |
|
|
1392 max_width -= 4; |
|
1972
|
1393 else |
|
|
1394 max_width -= extra_indent; |
|
|
1395 |
|
|
1396 if (max_width < 0) |
|
|
1397 max_width = 0; |
|
626
|
1398 |
|
1
|
1399 if (free_format) |
|
|
1400 { |
|
626
|
1401 if (pr_as_read_syntax) |
|
|
1402 os << "[\n"; |
|
|
1403 |
|
1
|
1404 os << cm; |
|
626
|
1405 |
|
|
1406 if (pr_as_read_syntax) |
|
|
1407 os << "]"; |
|
|
1408 |
|
1
|
1409 return; |
|
|
1410 } |
|
|
1411 |
|
|
1412 int inc = nc; |
|
2165
|
1413 if (total_width > max_width && Vsplit_long_rows) |
|
1
|
1414 { |
|
|
1415 inc = max_width / column_width; |
|
|
1416 if (inc == 0) |
|
|
1417 inc++; |
|
|
1418 } |
|
|
1419 |
|
626
|
1420 if (pr_as_read_syntax) |
|
1
|
1421 { |
|
|
1422 for (int i = 0; i < nr; i++) |
|
|
1423 { |
|
626
|
1424 int col = 0; |
|
|
1425 while (col < nc) |
|
1
|
1426 { |
|
626
|
1427 int lim = col + inc < nc ? col + inc : nc; |
|
|
1428 |
|
|
1429 for (int j = col; j < lim; j++) |
|
|
1430 { |
|
|
1431 if (i == 0 && j == 0) |
|
|
1432 os << "[ "; |
|
|
1433 else |
|
|
1434 { |
|
|
1435 if (j > col && j < lim) |
|
|
1436 os << ", "; |
|
|
1437 else |
|
|
1438 os << " "; |
|
|
1439 } |
|
|
1440 |
|
2305
|
1441 pr_complex (os, cm (i, j)); |
|
626
|
1442 } |
|
|
1443 |
|
|
1444 col += inc; |
|
|
1445 |
|
|
1446 if (col >= nc) |
|
|
1447 { |
|
|
1448 if (i == nr - 1) |
|
|
1449 os << " ]"; |
|
|
1450 else |
|
|
1451 os << ";\n"; |
|
|
1452 } |
|
1
|
1453 else |
|
626
|
1454 os << " ...\n"; |
|
1
|
1455 } |
|
|
1456 } |
|
626
|
1457 } |
|
|
1458 else |
|
|
1459 { |
|
3105
|
1460 pr_scale_header (os, scale); |
|
|
1461 |
|
626
|
1462 for (int col = 0; col < nc; col += inc) |
|
|
1463 { |
|
|
1464 int lim = col + inc < nc ? col + inc : nc; |
|
|
1465 |
|
1972
|
1466 pr_col_num_header (os, total_width, max_width, lim, col, |
|
|
1467 extra_indent); |
|
626
|
1468 |
|
|
1469 for (int i = 0; i < nr; i++) |
|
|
1470 { |
|
3013
|
1471 os << setw (extra_indent) << ""; |
|
1972
|
1472 |
|
626
|
1473 for (int j = col; j < lim; j++) |
|
|
1474 { |
|
|
1475 os << " "; |
|
|
1476 |
|
3105
|
1477 Complex tmp = (Vfixed_point_format && scale != 1.0) |
|
|
1478 ? cm(i,j) / scale : cm(i,j); |
|
|
1479 |
|
|
1480 pr_complex (os, tmp, r_fw, i_fw); |
|
626
|
1481 } |
|
2907
|
1482 |
|
|
1483 if (i < nr - 1) |
|
|
1484 os << "\n"; |
|
626
|
1485 } |
|
|
1486 } |
|
1
|
1487 } |
|
|
1488 } |
|
|
1489 } |
|
|
1490 |
|
|
1491 void |
|
626
|
1492 octave_print_internal (ostream& os, const Range& r, |
|
1972
|
1493 bool pr_as_read_syntax, int extra_indent) |
|
1
|
1494 { |
|
626
|
1495 double base = r.base (); |
|
1
|
1496 double increment = r.inc (); |
|
626
|
1497 double limit = r.limit (); |
|
1
|
1498 int num_elem = r.nelem (); |
|
|
1499 |
|
626
|
1500 if (plus_format && ! pr_as_read_syntax) |
|
1
|
1501 { |
|
|
1502 os << " "; |
|
|
1503 for (int i = 0; i < num_elem; i++) |
|
|
1504 { |
|
626
|
1505 double val = base + i * increment; |
|
1
|
1506 if (val == 0.0) |
|
|
1507 os << " "; |
|
|
1508 else |
|
|
1509 os << "+"; |
|
|
1510 } |
|
|
1511 } |
|
|
1512 else |
|
|
1513 { |
|
|
1514 int fw; |
|
3105
|
1515 double scale = 1.0; |
|
|
1516 set_format (r, fw, scale); |
|
1
|
1517 |
|
626
|
1518 if (pr_as_read_syntax) |
|
1
|
1519 { |
|
626
|
1520 if (free_format) |
|
|
1521 { |
|
|
1522 os << base << " : "; |
|
|
1523 if (increment != 1.0) |
|
|
1524 os << increment << " : "; |
|
|
1525 os << limit; |
|
|
1526 } |
|
|
1527 else |
|
|
1528 { |
|
|
1529 pr_float (os, base, fw); |
|
|
1530 os << " : "; |
|
|
1531 if (increment != 1.0) |
|
|
1532 { |
|
|
1533 pr_float (os, increment, fw); |
|
|
1534 os << " : "; |
|
|
1535 } |
|
|
1536 pr_float (os, limit, fw); |
|
|
1537 } |
|
1
|
1538 } |
|
626
|
1539 else |
|
|
1540 { |
|
|
1541 int column_width = fw + 2; |
|
|
1542 int total_width = num_elem * column_width; |
|
2926
|
1543 int max_width = command_editor::terminal_cols (); |
|
1
|
1544 |
|
626
|
1545 if (free_format) |
|
|
1546 { |
|
|
1547 os << r; |
|
|
1548 return; |
|
|
1549 } |
|
1
|
1550 |
|
626
|
1551 int inc = num_elem; |
|
2165
|
1552 if (total_width > max_width && Vsplit_long_rows) |
|
1
|
1553 { |
|
626
|
1554 inc = max_width / column_width; |
|
|
1555 if (inc == 0) |
|
|
1556 inc++; |
|
1
|
1557 } |
|
|
1558 |
|
1972
|
1559 max_width -= extra_indent; |
|
|
1560 |
|
|
1561 if (max_width < 0) |
|
|
1562 max_width = 0; |
|
|
1563 |
|
3105
|
1564 pr_scale_header (os, scale); |
|
|
1565 |
|
626
|
1566 int col = 0; |
|
|
1567 while (col < num_elem) |
|
1
|
1568 { |
|
626
|
1569 int lim = col + inc < num_elem ? col + inc : num_elem; |
|
|
1570 |
|
1972
|
1571 pr_col_num_header (os, total_width, max_width, lim, col, |
|
|
1572 extra_indent); |
|
|
1573 |
|
3013
|
1574 os << setw (extra_indent) << ""; |
|
626
|
1575 |
|
|
1576 for (int i = col; i < lim; i++) |
|
|
1577 { |
|
|
1578 double val = base + i * increment; |
|
3105
|
1579 |
|
626
|
1580 os << " "; |
|
3105
|
1581 |
|
|
1582 if (Vfixed_point_format && scale != 1.0) |
|
|
1583 val /= scale; |
|
|
1584 |
|
626
|
1585 pr_float (os, val, fw); |
|
|
1586 } |
|
|
1587 |
|
2907
|
1588 col += inc; |
|
626
|
1589 |
|
2907
|
1590 if (col < num_elem) |
|
|
1591 os << "\n"; |
|
1
|
1592 } |
|
|
1593 } |
|
|
1594 } |
|
|
1595 } |
|
|
1596 |
|
1343
|
1597 void |
|
3215
|
1598 octave_print_internal (ostream& os, const boolMatrix& bm, |
|
|
1599 bool pr_as_read_syntax, |
|
|
1600 int extra_indent) |
|
|
1601 { |
|
|
1602 Matrix tmp (bm); |
|
|
1603 octave_print_internal (os, tmp, pr_as_read_syntax, extra_indent); |
|
|
1604 } |
|
|
1605 |
|
|
1606 void |
|
1572
|
1607 octave_print_internal (ostream& os, const charMatrix& chm, |
|
3215
|
1608 bool pr_as_read_syntax, |
|
|
1609 int /* extra_indent XXX FIXME XXX */, |
|
|
1610 bool pr_as_string) |
|
1343
|
1611 { |
|
1572
|
1612 if (pr_as_string) |
|
|
1613 { |
|
|
1614 int nstr = chm.rows (); |
|
1343
|
1615 |
|
1572
|
1616 if (pr_as_read_syntax && nstr > 1) |
|
|
1617 os << "[ "; |
|
1343
|
1618 |
|
2907
|
1619 if (nstr != 0) |
|
1343
|
1620 { |
|
2664
|
1621 for (int i = 0; i < nstr; i++) |
|
1572
|
1622 { |
|
2664
|
1623 string row = chm.row_as_string (i); |
|
|
1624 |
|
|
1625 if (pr_as_read_syntax) |
|
|
1626 { |
|
|
1627 os << "\"" << undo_string_escapes (row) << "\""; |
|
1343
|
1628 |
|
2664
|
1629 if (i < nstr - 1) |
|
|
1630 os << "; "; |
|
|
1631 } |
|
|
1632 else |
|
2907
|
1633 { |
|
|
1634 os << row; |
|
|
1635 |
|
|
1636 if (i < nstr - 1) |
|
|
1637 os << "\n"; |
|
|
1638 } |
|
1572
|
1639 } |
|
1343
|
1640 } |
|
1572
|
1641 |
|
|
1642 if (pr_as_read_syntax && nstr > 1) |
|
|
1643 os << " ]"; |
|
1343
|
1644 } |
|
1572
|
1645 else |
|
|
1646 { |
|
|
1647 os << "sorry, printing char matrices not implemented yet\n"; |
|
|
1648 } |
|
1343
|
1649 } |
|
|
1650 |
|
1957
|
1651 DEFUN (disp, args, , |
|
529
|
1652 "disp (X): display value without name tag") |
|
|
1653 { |
|
2086
|
1654 octave_value_list retval; |
|
529
|
1655 |
|
|
1656 int nargin = args.length (); |
|
|
1657 |
|
712
|
1658 if (nargin == 1) |
|
2903
|
1659 args(0).print (octave_stdout); |
|
529
|
1660 else |
|
|
1661 print_usage ("disp"); |
|
|
1662 |
|
|
1663 return retval; |
|
|
1664 } |
|
|
1665 |
|
1
|
1666 static void |
|
|
1667 init_format_state (void) |
|
|
1668 { |
|
2387
|
1669 free_format = false; |
|
|
1670 plus_format = false; |
|
|
1671 bank_format = false; |
|
|
1672 hex_format = false; |
|
1309
|
1673 bit_format = 0; |
|
2387
|
1674 print_e = false; |
|
|
1675 print_big_e = false; |
|
1
|
1676 } |
|
|
1677 |
|
|
1678 static void |
|
|
1679 set_output_prec_and_fw (int prec, int fw) |
|
|
1680 { |
|
2800
|
1681 bind_builtin_variable ("output_precision", static_cast<double> (prec)); |
|
|
1682 bind_builtin_variable ("output_max_field_width", static_cast<double> (fw)); |
|
1
|
1683 } |
|
|
1684 |
|
1755
|
1685 static void |
|
|
1686 set_format_style (int argc, const string_vector& argv) |
|
1
|
1687 { |
|
1755
|
1688 int idx = 1; |
|
|
1689 |
|
1899
|
1690 if (--argc > 0) |
|
1
|
1691 { |
|
2584
|
1692 string arg = argv[idx++]; |
|
|
1693 |
|
1755
|
1694 if (arg == "short") |
|
1
|
1695 { |
|
1755
|
1696 if (--argc > 0) |
|
1
|
1697 { |
|
1755
|
1698 arg = argv[idx++]; |
|
|
1699 |
|
|
1700 if (arg == "e") |
|
1
|
1701 { |
|
1755
|
1702 init_format_state (); |
|
2387
|
1703 print_e = true; |
|
1755
|
1704 } |
|
|
1705 else if (arg == "E") |
|
|
1706 { |
|
|
1707 init_format_state (); |
|
2387
|
1708 print_e = true; |
|
|
1709 print_big_e = true; |
|
1
|
1710 } |
|
|
1711 else |
|
|
1712 { |
|
1755
|
1713 error ("format: unrecognized option `short %s'", |
|
|
1714 arg.c_str ()); |
|
|
1715 return; |
|
|
1716 } |
|
|
1717 } |
|
|
1718 else |
|
|
1719 init_format_state (); |
|
|
1720 |
|
|
1721 set_output_prec_and_fw (3, 8); |
|
|
1722 } |
|
|
1723 else if (arg == "long") |
|
|
1724 { |
|
|
1725 if (--argc > 0) |
|
|
1726 { |
|
|
1727 arg = argv[idx++]; |
|
|
1728 |
|
|
1729 if (arg == "e") |
|
|
1730 { |
|
|
1731 init_format_state (); |
|
2387
|
1732 print_e = true; |
|
1755
|
1733 } |
|
|
1734 else if (arg == "E") |
|
|
1735 { |
|
|
1736 init_format_state (); |
|
2387
|
1737 print_e = true; |
|
|
1738 print_big_e = true; |
|
1
|
1739 } |
|
|
1740 else |
|
1755
|
1741 { |
|
|
1742 error ("format: unrecognized option `long %s'", |
|
|
1743 arg.c_str ()); |
|
|
1744 return; |
|
|
1745 } |
|
1186
|
1746 } |
|
1
|
1747 else |
|
1755
|
1748 init_format_state (); |
|
|
1749 |
|
|
1750 set_output_prec_and_fw (15, 24); |
|
|
1751 } |
|
|
1752 else if (arg == "hex") |
|
|
1753 { |
|
|
1754 init_format_state (); |
|
2387
|
1755 hex_format = true; |
|
1755
|
1756 } |
|
|
1757 else if (arg == "native-hex") |
|
|
1758 { |
|
|
1759 init_format_state (); |
|
|
1760 hex_format = 2; |
|
|
1761 } |
|
|
1762 else if (arg == "bit") |
|
|
1763 { |
|
|
1764 init_format_state (); |
|
|
1765 bit_format = 1; |
|
|
1766 } |
|
|
1767 else if (arg == "native-bit") |
|
|
1768 { |
|
|
1769 init_format_state (); |
|
|
1770 bit_format = 2; |
|
|
1771 } |
|
|
1772 else if (arg == "+" || arg == "plus") |
|
|
1773 { |
|
|
1774 init_format_state (); |
|
2387
|
1775 plus_format = true; |
|
1755
|
1776 } |
|
|
1777 else if (arg == "bank") |
|
|
1778 { |
|
|
1779 init_format_state (); |
|
2387
|
1780 bank_format = true; |
|
1755
|
1781 } |
|
|
1782 else if (arg == "free") |
|
|
1783 { |
|
|
1784 init_format_state (); |
|
2387
|
1785 free_format = true; |
|
1755
|
1786 } |
|
|
1787 else if (arg == "none") |
|
|
1788 { |
|
|
1789 init_format_state (); |
|
2387
|
1790 free_format = true; |
|
1755
|
1791 } |
|
|
1792 else if (arg == "compact") |
|
|
1793 { |
|
2387
|
1794 compact_format = true; |
|
1755
|
1795 } |
|
|
1796 else if (arg == "loose") |
|
|
1797 { |
|
2387
|
1798 compact_format = false; |
|
1
|
1799 } |
|
|
1800 else |
|
1755
|
1801 error ("format: unrecognized format state `%s'", arg.c_str ()); |
|
1
|
1802 } |
|
|
1803 else |
|
|
1804 { |
|
|
1805 init_format_state (); |
|
|
1806 set_output_prec_and_fw (5, 10); |
|
|
1807 } |
|
|
1808 } |
|
|
1809 |
|
1957
|
1810 DEFUN_TEXT (format, args, , |
|
529
|
1811 "format [style]\n\ |
|
|
1812 \n\ |
|
|
1813 set output formatting style") |
|
|
1814 { |
|
2086
|
1815 octave_value_list retval; |
|
529
|
1816 |
|
1755
|
1817 int argc = args.length () + 1; |
|
|
1818 |
|
1968
|
1819 string_vector argv = args.make_argv ("format"); |
|
1755
|
1820 |
|
|
1821 if (error_state) |
|
|
1822 return retval; |
|
529
|
1823 |
|
|
1824 set_format_style (argc, argv); |
|
|
1825 |
|
|
1826 return retval; |
|
|
1827 } |
|
|
1828 |
|
2165
|
1829 static int |
|
3105
|
1830 fixed_point_format (void) |
|
|
1831 { |
|
|
1832 Vfixed_point_format = check_preference ("fixed_point_format"); |
|
|
1833 |
|
|
1834 return 0; |
|
|
1835 } |
|
|
1836 |
|
|
1837 static int |
|
2165
|
1838 output_max_field_width (void) |
|
|
1839 { |
|
|
1840 double val; |
|
|
1841 if (builtin_real_scalar_variable ("output_max_field_width", val) |
|
|
1842 && ! xisnan (val)) |
|
|
1843 { |
|
|
1844 int ival = NINT (val); |
|
2800
|
1845 if (ival > 0 && ival == val) |
|
2165
|
1846 { |
|
|
1847 Voutput_max_field_width = ival; |
|
|
1848 return 0; |
|
|
1849 } |
|
|
1850 } |
|
|
1851 gripe_invalid_value_specified ("output_max_field_width"); |
|
|
1852 return -1; |
|
|
1853 } |
|
|
1854 |
|
|
1855 static int |
|
|
1856 output_precision (void) |
|
|
1857 { |
|
|
1858 double val; |
|
|
1859 if (builtin_real_scalar_variable ("output_precision", val) |
|
|
1860 && ! xisnan (val)) |
|
|
1861 { |
|
|
1862 int ival = NINT (val); |
|
2800
|
1863 if (ival >= 0 && ival == val) |
|
2165
|
1864 { |
|
|
1865 Voutput_precision = ival; |
|
|
1866 return 0; |
|
|
1867 } |
|
|
1868 } |
|
|
1869 gripe_invalid_value_specified ("output_precision"); |
|
|
1870 return -1; |
|
|
1871 } |
|
|
1872 |
|
|
1873 static int |
|
|
1874 print_empty_dimensions (void) |
|
|
1875 { |
|
|
1876 Vprint_empty_dimensions = check_preference ("print_empty_dimensions"); |
|
|
1877 |
|
|
1878 return 0; |
|
|
1879 } |
|
|
1880 |
|
|
1881 static int |
|
|
1882 split_long_rows (void) |
|
|
1883 { |
|
|
1884 Vsplit_long_rows = check_preference ("split_long_rows"); |
|
|
1885 |
|
|
1886 return 0; |
|
|
1887 } |
|
|
1888 |
|
|
1889 void |
|
|
1890 symbols_of_pr_output (void) |
|
|
1891 { |
|
3258
|
1892 DEFVAR (fixed_point_format, 0.0, fixed_point_format, |
|
3321
|
1893 "-*- texinfo -*-\n\ |
|
|
1894 @defvr {Built-in Variable} fixed_point_format\n\ |
|
|
1895 If the value of this variable is nonzero, Octave will scale all values\n\ |
|
|
1896 in a matrix so that the largest may be written with one leading digit.\n\ |
|
|
1897 The scaling factor is printed on the first line of output. For example,\n\ |
|
|
1898 \n\ |
|
|
1899 @example\n\ |
|
|
1900 @group\n\ |
|
|
1901 octave:1> logspace (1, 7, 5)'\n\ |
|
|
1902 ans =\n\ |
|
|
1903 \n\ |
|
|
1904 1.0e+07 *\n\ |
|
|
1905 \n\ |
|
|
1906 0.00000\n\ |
|
|
1907 0.00003\n\ |
|
|
1908 0.00100\n\ |
|
|
1909 0.03162\n\ |
|
|
1910 1.00000\n\ |
|
|
1911 @end group\n\ |
|
|
1912 @end example\n\ |
|
|
1913 \n\ |
|
|
1914 @noindent\n\ |
|
|
1915 Notice that first value appears to be zero when it is actually 1. For\n\ |
|
|
1916 this reason, you should be careful when setting\n\ |
|
|
1917 @code{fixed_point_format} to a nonzero value.\n\ |
|
|
1918 \n\ |
|
|
1919 The default value of @code{fixed_point_format} is 0.\n\ |
|
3333
|
1920 @end defvr"); |
|
3105
|
1921 |
|
3258
|
1922 DEFVAR (output_max_field_width, 10.0, output_max_field_width, |
|
3321
|
1923 "-*- texinfo -*-\n\ |
|
|
1924 @defvr {Built-in Variable} output_max_field_width\n\ |
|
|
1925 This variable specifies the maximum width of a numeric output field.\n\ |
|
|
1926 The default value is 10.\n\ |
|
3333
|
1927 @end defvr"); |
|
2165
|
1928 |
|
3258
|
1929 DEFVAR (output_precision, 5.0, output_precision, |
|
3321
|
1930 "-*- texinfo -*-\n\ |
|
|
1931 @defvr {Built-in Variable} output_precision\n\ |
|
|
1932 This variable specifies the minimum number of significant figures to\n\ |
|
|
1933 display for numeric output. The default value is 5.\n\ |
|
3333
|
1934 @end defvr"); |
|
2165
|
1935 |
|
3258
|
1936 DEFVAR (print_empty_dimensions, 1.0, print_empty_dimensions, |
|
3321
|
1937 "-*- texinfo -*-\n\ |
|
|
1938 @defvr {Built-in Variable} print_empty_dimensions\n\ |
|
|
1939 If the value of @code{print_empty_dimensions} is nonzero, the\n\ |
|
|
1940 dimensions of empty matrices are printed along with the empty matrix\n\ |
|
|
1941 symbol, @samp{[]}. For example, the expression\n\ |
|
|
1942 \n\ |
|
|
1943 @example\n\ |
|
|
1944 zeros (3, 0)\n\ |
|
|
1945 @end example\n\ |
|
|
1946 \n\ |
|
|
1947 @noindent\n\ |
|
|
1948 will print\n\ |
|
|
1949 \n\ |
|
|
1950 @example\n\ |
|
|
1951 ans = [](3x0)\n\ |
|
|
1952 @end example\n\ |
|
3333
|
1953 @end defvr"); |
|
2165
|
1954 |
|
3258
|
1955 DEFVAR (split_long_rows, 1.0, split_long_rows, |
|
3321
|
1956 "-*- texinfo -*-\n\ |
|
|
1957 @defvr {Built-in Variable} split_long_rows\n\ |
|
|
1958 For large matrices, Octave may not be able to display all the columns of\n\ |
|
|
1959 a given row on one line of your screen. This can result in missing\n\ |
|
|
1960 information or output that is nearly impossible to decipher, depending\n\ |
|
|
1961 on whether your terminal truncates or wraps long lines.\n\ |
|
|
1962 \n\ |
|
|
1963 If the value of @code{split_long_rows} is nonzero, Octave will display\n\ |
|
|
1964 the matrix in a series of smaller pieces, each of which can fit within\n\ |
|
|
1965 the limits of your terminal width. Each set of rows is labeled so that\n\ |
|
|
1966 you can easily see which columns are currently being displayed.\n\ |
|
|
1967 For example:\n\ |
|
|
1968 \n\ |
|
|
1969 @smallexample\n\ |
|
|
1970 @group\n\ |
|
|
1971 octave:13> rand (2,10)\n\ |
|
|
1972 ans =\n\ |
|
|
1973 \n\ |
|
|
1974 Columns 1 through 6:\n\ |
|
|
1975 \n\ |
|
|
1976 0.75883 0.93290 0.40064 0.43818 0.94958 0.16467\n\ |
|
|
1977 0.75697 0.51942 0.40031 0.61784 0.92309 0.40201\n\ |
|
|
1978 \n\ |
|
|
1979 Columns 7 through 10:\n\ |
|
|
1980 \n\ |
|
|
1981 0.90174 0.11854 0.72313 0.73326\n\ |
|
|
1982 0.44672 0.94303 0.56564 0.82150\n\ |
|
|
1983 @end group\n\ |
|
|
1984 @end smallexample\n\ |
|
|
1985 \n\ |
|
|
1986 @noindent\n\ |
|
|
1987 The default value of @code{split_long_rows} is nonzero.\n\ |
|
3333
|
1988 @end defvr"); |
|
|
1989 |
|
2165
|
1990 } |
|
|
1991 |
|
1
|
1992 /* |
|
|
1993 ;;; Local Variables: *** |
|
|
1994 ;;; mode: C++ *** |
|
|
1995 ;;; End: *** |
|
|
1996 */ |
