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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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3503
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32 #include <iomanip> |
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33 #include <iostream> |
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1728
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34 #include <string> |
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35 |
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453
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36 #include "CMatrix.h" |
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1
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37 #include "Range.h" |
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2926
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38 #include "cmd-edit.h" |
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1352
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39 #include "dMatrix.h" |
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2891
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40 #include "lo-mappers.h" |
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4051
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41 #include "lo-sstream.h" |
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2317
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42 #include "mach-info.h" |
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1651
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43 #include "oct-cmplx.h" |
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4153
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44 #include "quit.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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3933
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47 #include "Cell.h" |
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1352
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48 #include "defun.h" |
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49 #include "error.h" |
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2165
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50 #include "gripes.h" |
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1755
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51 #include "oct-obj.h" |
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3685
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52 #include "oct-stream.h" |
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1352
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53 #include "pager.h" |
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54 #include "pr-output.h" |
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1282
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55 #include "sysdep.h" |
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1
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56 #include "utils.h" |
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1352
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57 #include "variables.h" |
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1
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58 |
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3105
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59 // TRUE means use a scaled fixed point format for `format long' and |
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60 // `format short'. |
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61 static bool Vfixed_point_format; |
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62 |
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2165
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63 // The maximum field width for a number printed by the default output |
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64 // routines. |
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65 static int Voutput_max_field_width; |
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66 |
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67 // The precision of the numbers printed by the default output |
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68 // routines. |
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69 static int Voutput_precision; |
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70 |
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71 // TRUE means that the dimensions of empty matrices should be printed |
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72 // like this: x = [](2x0). |
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73 static bool Vprint_empty_dimensions; |
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74 |
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75 // TRUE means that the rows of big matrices should be split into |
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76 // smaller slices that fit on the screen. |
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77 static bool Vsplit_long_rows; |
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78 |
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3018
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79 // TRUE means don't do any fancy formatting. |
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2387
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80 static bool free_format = false; |
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1
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81 |
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3018
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82 // TRUE means print plus sign for nonzero, blank for zero. |
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2387
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83 static bool plus_format = false; |
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1
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84 |
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3018
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85 // TRUE means always print like dollars and cents. |
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2387
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86 static bool bank_format = false; |
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1282
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87 |
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3018
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88 // TRUE means print data in hexadecimal format. |
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3608
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89 static int hex_format = 0; |
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1282
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90 |
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3018
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91 // TRUE means print data in binary-bit-pattern format. |
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1309
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92 static int bit_format = 0; |
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93 |
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3018
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94 // TRUE means don't put newlines around the column number headers. |
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2387
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95 static bool compact_format = false; |
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1186
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96 |
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3018
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97 // TRUE means use an e format. |
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2387
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98 static bool print_e = false; |
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1
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99 |
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4509
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100 // TRUE means use a g format. |
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101 static bool print_g = false; |
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102 |
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3018
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103 // TRUE means print E instead of e for exponent field. |
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2387
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104 static bool print_big_e = false; |
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1
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105 |
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3608
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106 class pr_formatted_float; |
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107 |
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4509
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108 static int |
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109 current_output_max_field_width (void) |
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110 { |
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111 return Voutput_max_field_width; |
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112 } |
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113 |
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114 static int |
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115 current_output_precision (void) |
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116 { |
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117 return Voutput_precision; |
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118 } |
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119 |
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3608
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120 class |
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121 float_format |
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122 { |
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123 public: |
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124 |
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4509
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125 float_format (int w = current_output_max_field_width (), |
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126 int p = current_output_precision (), int f = 0) |
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3608
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127 : fw (w), prec (p), fmt (f), up (0), sp (0) { } |
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128 |
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129 float_format (const float_format& ff) |
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130 : fw (ff.fw), prec (ff.prec), fmt (ff.fmt), up (ff.up), sp (ff.sp) { } |
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131 |
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132 float_format& operator = (const float_format& ff) |
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133 { |
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134 if (&ff != this) |
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135 { |
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136 fw = ff.fw; |
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137 prec = ff.prec; |
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138 fmt = ff.fmt; |
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139 up = ff.up; |
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140 sp = ff.sp; |
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141 } |
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142 |
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143 return *this; |
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144 } |
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145 |
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146 ~float_format (void) { } |
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147 |
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148 float_format& scientific (void) { fmt = std::ios::scientific; return *this; } |
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149 float_format& fixed (void) { fmt = std::ios::fixed; return *this; } |
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150 float_format& general (void) { fmt = 0; return *this; } |
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151 |
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152 float_format& uppercase (void) { up = std::ios::uppercase; return *this; } |
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153 float_format& lowercase (void) { up = 0; return *this; } |
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154 |
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155 float_format& precision (int p) { prec = p; return *this; } |
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156 |
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157 float_format& width (int w) { fw = w; return *this; } |
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158 |
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159 float_format& trailing_zeros (bool tz = true) |
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160 { sp = tz ? std::ios::showpoint : 0; return *this; } |
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161 |
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162 friend std::ostream& operator << (std::ostream& os, |
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163 const pr_formatted_float& pff); |
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164 |
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165 private: |
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166 |
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167 // Field width. Zero means as wide as necessary. |
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168 int fw; |
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169 |
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170 // Precision. |
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171 int prec; |
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172 |
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173 // Format. |
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174 int fmt; |
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175 |
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176 // E or e. |
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177 int up; |
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178 |
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179 // Show trailing zeros. |
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180 int sp; |
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181 }; |
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182 |
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183 class |
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184 pr_formatted_float |
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185 { |
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186 public: |
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187 |
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188 const float_format& f; |
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189 |
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190 double val; |
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191 |
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192 pr_formatted_float (const float_format& f_arg, double val_arg) |
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193 : f (f_arg), val (val_arg) { } |
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194 }; |
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195 |
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196 std::ostream& |
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197 operator << (std::ostream& os, const pr_formatted_float& pff) |
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198 { |
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3682
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199 if (pff.f.fw >= 0) |
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3608
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200 os << std::setw (pff.f.fw); |
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201 |
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3682
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202 if (pff.f.prec >= 0) |
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3608
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203 os << std::setprecision (pff.f.prec); |
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204 |
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3775
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205 std::ios::fmtflags oflags = |
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206 os.flags (static_cast<std::ios::fmtflags> |
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207 (pff.f.fmt | pff.f.up | pff.f.sp)); |
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3608
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208 |
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209 os << pff.val; |
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210 |
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211 os.flags (oflags); |
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212 |
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213 return os; |
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214 } |
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215 |
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216 // Current format for real numbers and the real part of complex |
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217 // numbers. |
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218 static float_format *curr_real_fmt = 0; |
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219 |
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220 // Current format for the imaginary part of complex numbers. |
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221 static float_format *curr_imag_fmt = 0; |
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1309
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222 |
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1
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223 static double |
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164
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224 pr_max_internal (const Matrix& m) |
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1
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225 { |
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226 int nr = m.rows (); |
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227 int nc = m.columns (); |
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228 |
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3130
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229 double result = -DBL_MAX; |
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1
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230 |
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231 for (int j = 0; j < nc; j++) |
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232 for (int i = 0; i < nr; i++) |
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233 { |
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3608
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234 double val = m(i,j); |
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4025
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235 if (xisinf (val) || octave_is_NaN_or_NA (val)) |
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1
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236 continue; |
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237 |
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238 if (val > result) |
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239 result = val; |
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240 } |
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3608
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241 |
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1
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242 return result; |
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243 } |
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244 |
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245 static double |
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164
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246 pr_min_internal (const Matrix& m) |
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1
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247 { |
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248 int nr = m.rows (); |
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249 int nc = m.columns (); |
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250 |
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251 double result = DBL_MAX; |
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252 |
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253 for (int j = 0; j < nc; j++) |
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254 for (int i = 0; i < nr; i++) |
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255 { |
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3608
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256 double val = m(i,j); |
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4025
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257 if (xisinf (val) || octave_is_NaN_or_NA (val)) |
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1
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258 continue; |
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259 |
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260 if (val < result) |
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261 result = val; |
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262 } |
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3608
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263 |
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1
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264 return result; |
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265 } |
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266 |
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1658
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267 // XXX FIXME XXX -- it would be nice to share more code among these |
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268 // functions,.. |
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269 |
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1
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270 static void |
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3611
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271 set_real_format (bool sign, int digits, bool inf_or_nan, bool int_only, |
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1658
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272 int &fw) |
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1
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273 { |
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3608
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274 static float_format fmt; |
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1
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275 |
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2165
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276 int prec = Voutput_precision; |
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1
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277 |
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278 int ld, rd; |
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279 |
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280 if (bank_format) |
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281 { |
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282 fw = digits < 0 ? 4 : digits + 3; |
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283 if (inf_or_nan && fw < 3) |
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284 fw = 3; |
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285 fw += sign; |
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286 rd = 2; |
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287 } |
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1282
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288 else if (hex_format) |
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289 { |
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290 fw = 2 * sizeof (double); |
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291 rd = 0; |
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292 } |
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1309
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293 else if (bit_format) |
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294 { |
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295 fw = 8 * sizeof (double); |
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296 rd = 0; |
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297 } |
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3611
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298 else if (inf_or_nan || int_only) |
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1
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299 { |
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300 fw = digits; |
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301 if (inf_or_nan && fw < 3) |
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302 fw = 3; |
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303 fw += sign; |
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3682
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304 rd = fw; |
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1
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305 } |
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306 else |
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307 { |
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308 if (digits > 0) |
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309 { |
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310 ld = digits; |
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1658
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311 rd = prec > digits ? prec - digits : prec; |
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1
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312 digits++; |
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313 } |
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314 else |
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315 { |
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316 ld = 1; |
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1658
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317 rd = prec > digits ? prec - digits : prec; |
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1
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318 digits = -digits + 1; |
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319 } |
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320 |
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321 fw = ld + 1 + rd; |
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322 if (inf_or_nan && fw < 3) |
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323 fw = 3; |
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324 fw += sign; |
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325 } |
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326 |
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1309
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327 if (! (bank_format || hex_format || bit_format) |
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4509
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328 && (fw > Voutput_max_field_width || print_e || print_g)) |
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1
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329 { |
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4509
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330 if (print_g) |
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331 fmt = float_format (); |
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332 else |
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333 { |
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334 int exp_field = 4; |
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335 if (digits > 100) |
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336 exp_field++; |
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1
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337 |
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4509
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338 fw = 2 + prec + exp_field; |
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339 if (inf_or_nan && fw < 3) |
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340 fw = 3; |
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341 fw += sign; |
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1
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342 |
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4509
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343 fmt = float_format (fw, prec - 1, std::ios::scientific); |
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344 } |
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3608
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345 |
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1
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346 if (print_big_e) |
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3608
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347 fmt.uppercase (); |
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1
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348 } |
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3611
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349 else if (inf_or_nan || int_only) |
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350 fmt = float_format (fw, rd); |
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1
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351 else |
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3608
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352 fmt = float_format (fw, rd, std::ios::fixed); |
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1
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353 |
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3608
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354 curr_real_fmt = &fmt; |
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1
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355 } |
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356 |
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1658
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357 static void |
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358 set_format (double d, int& fw) |
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359 { |
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360 curr_real_fmt = 0; |
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361 curr_imag_fmt = 0; |
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362 |
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363 if (free_format) |
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364 return; |
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365 |
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2387
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366 bool sign = (d < 0.0); |
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1658
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367 |
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2387
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368 bool inf_or_nan = (xisinf (d) || xisnan (d)); |
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1658
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369 |
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3611
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370 bool int_only = (! inf_or_nan && D_NINT (d) == d); |
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1658
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371 |
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372 double d_abs = d < 0.0 ? -d : d; |
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373 |
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2800
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374 int digits = (inf_or_nan || d_abs == 0.0) |
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375 ? 0 : static_cast<int> (floor (log10 (d_abs) + 1.0)); |
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1658
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376 |
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3611
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377 set_real_format (sign, digits, inf_or_nan, int_only, fw); |
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1658
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378 } |
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379 |
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1
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380 static inline void |
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381 set_format (double d) |
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382 { |
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383 int fw; |
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384 set_format (d, fw); |
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385 } |
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386 |
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387 static void |
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2387
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388 set_real_matrix_format (bool sign, int x_max, int x_min, |
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389 bool inf_or_nan, int int_or_inf_or_nan, int& fw) |
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1
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390 { |
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3608
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391 static float_format fmt; |
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1
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392 |
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2165
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393 int prec = Voutput_precision; |
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1
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394 |
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395 int ld, rd; |
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396 |
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397 if (bank_format) |
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398 { |
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399 int digits = x_max > x_min ? x_max : x_min; |
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400 fw = digits <= 0 ? 4 : digits + 3; |
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401 if (inf_or_nan && fw < 3) |
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402 fw = 3; |
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403 fw += sign; |
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404 rd = 2; |
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405 } |
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1282
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406 else if (hex_format) |
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407 { |
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408 fw = 2 * sizeof (double); |
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409 rd = 0; |
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410 } |
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1309
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411 else if (bit_format) |
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412 { |
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413 fw = 8 * sizeof (double); |
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414 rd = 0; |
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415 } |
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4509
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416 else if (Vfixed_point_format && ! print_g) |
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3268
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417 { |
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418 rd = prec; |
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419 fw = rd + 2; |
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420 if (inf_or_nan && fw < 3) |
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421 fw = 3; |
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422 fw += sign; |
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423 } |
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1715
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424 else if (int_or_inf_or_nan) |
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1
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425 { |
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426 int digits = x_max > x_min ? x_max : x_min; |
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427 fw = digits <= 0 ? 1 : digits; |
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428 if (inf_or_nan && fw < 3) |
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429 fw = 3; |
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430 fw += sign; |
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3682
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431 rd = fw; |
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1
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432 } |
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433 else |
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434 { |
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435 int ld_max, rd_max; |
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436 if (x_max > 0) |
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437 { |
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438 ld_max = x_max; |
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1658
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439 rd_max = prec > x_max ? prec - x_max : prec; |
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1
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440 x_max++; |
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441 } |
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442 else |
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443 { |
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444 ld_max = 1; |
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1658
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445 rd_max = prec > x_max ? prec - x_max : prec; |
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1
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446 x_max = -x_max + 1; |
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447 } |
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448 |
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449 int ld_min, rd_min; |
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450 if (x_min > 0) |
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451 { |
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452 ld_min = x_min; |
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1658
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453 rd_min = prec > x_min ? prec - x_min : prec; |
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1
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454 x_min++; |
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455 } |
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456 else |
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457 { |
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458 ld_min = 1; |
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1658
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459 rd_min = prec > x_min ? prec - x_min : prec; |
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1
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460 x_min = -x_min + 1; |
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461 } |
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462 |
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463 ld = ld_max > ld_min ? ld_max : ld_min; |
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464 rd = rd_max > rd_min ? rd_max : rd_min; |
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465 |
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466 fw = ld + 1 + rd; |
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467 if (inf_or_nan && fw < 3) |
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468 fw = 3; |
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469 fw += sign; |
|
|
470 } |
|
|
471 |
|
1658
|
472 if (! (bank_format || hex_format || bit_format) |
|
3105
|
473 && (print_e |
|
4509
|
474 || print_g |
|
3105
|
475 || (! Vfixed_point_format && fw > Voutput_max_field_width))) |
|
1
|
476 { |
|
4509
|
477 if (print_g) |
|
|
478 fmt = float_format (); |
|
|
479 else |
|
|
480 { |
|
|
481 int exp_field = 4; |
|
|
482 if (x_max > 100 || x_min > 100) |
|
|
483 exp_field++; |
|
1
|
484 |
|
4509
|
485 fw = 2 + prec + exp_field; |
|
|
486 if (inf_or_nan && fw < 3) |
|
|
487 fw = 3; |
|
|
488 fw += sign; |
|
1
|
489 |
|
4509
|
490 fmt = float_format (fw, prec - 1, std::ios::scientific); |
|
|
491 } |
|
3608
|
492 |
|
1
|
493 if (print_big_e) |
|
3608
|
494 fmt.uppercase (); |
|
1
|
495 } |
|
3611
|
496 else if (int_or_inf_or_nan) |
|
|
497 fmt = float_format (fw, rd); |
|
1
|
498 else |
|
3608
|
499 fmt = float_format (fw, rd, std::ios::fixed); |
|
1
|
500 |
|
3608
|
501 curr_real_fmt = &fmt; |
|
1
|
502 } |
|
|
503 |
|
1658
|
504 static void |
|
3105
|
505 set_format (const Matrix& m, int& fw, double& scale) |
|
1658
|
506 { |
|
|
507 curr_real_fmt = 0; |
|
|
508 curr_imag_fmt = 0; |
|
|
509 |
|
|
510 if (free_format) |
|
|
511 return; |
|
|
512 |
|
4431
|
513 bool sign = m.any_element_is_negative (true); |
|
1658
|
514 |
|
2387
|
515 bool inf_or_nan = m.any_element_is_inf_or_nan (); |
|
1658
|
516 |
|
2387
|
517 bool int_or_inf_or_nan = m.all_elements_are_int_or_inf_or_nan (); |
|
1658
|
518 |
|
2387
|
519 Matrix m_abs = m.abs (); |
